java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute_true-unreach-call.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 22:26:28,813 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 22:26:28,815 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 22:26:28,834 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 22:26:28,835 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 22:26:28,836 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 22:26:28,837 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 22:26:28,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 22:26:28,840 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 22:26:28,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 22:26:28,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 22:26:28,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 22:26:28,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 22:26:28,844 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 22:26:28,845 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 22:26:28,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 22:26:28,847 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 22:26:28,849 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 22:26:28,851 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 22:26:28,853 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 22:26:28,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 22:26:28,857 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 22:26:28,862 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 22:26:28,863 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 22:26:28,863 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 22:26:28,864 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 22:26:28,867 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 22:26:28,868 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 22:26:28,869 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 22:26:28,870 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 22:26:28,870 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 22:26:28,871 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 22:26:28,871 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 22:26:28,872 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 22:26:28,873 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 22:26:28,873 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 22:26:28,874 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 22:26:28,890 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 22:26:28,890 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 22:26:28,891 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 22:26:28,891 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 22:26:28,892 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 22:26:28,892 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 22:26:28,892 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 22:26:28,892 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 22:26:28,893 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 22:26:28,893 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 22:26:28,893 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 22:26:28,893 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 22:26:28,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 22:26:28,893 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 22:26:28,894 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 22:26:28,894 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 22:26:28,894 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 22:26:28,894 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 22:26:28,894 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 22:26:28,895 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 22:26:28,895 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 22:26:28,895 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 22:26:28,895 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 22:26:28,895 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 22:26:28,896 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 22:26:28,896 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 22:26:28,896 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 22:26:28,896 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 22:26:28,896 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 22:26:28,897 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 22:26:28,897 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 22:26:28,897 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 22:26:28,898 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 22:26:28,946 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 22:26:28,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 22:26:28,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 22:26:28,967 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 22:26:28,968 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 22:26:28,968 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute_true-unreach-call.i.v+cfa-reducer.c [2018-11-18 22:26:29,034 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29d815058/98196f4863bf42e48aa090912c2c3b41/FLAG09c11fee1 [2018-11-18 22:26:29,505 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 22:26:29,506 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute_true-unreach-call.i.v+cfa-reducer.c [2018-11-18 22:26:29,514 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29d815058/98196f4863bf42e48aa090912c2c3b41/FLAG09c11fee1 [2018-11-18 22:26:29,826 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29d815058/98196f4863bf42e48aa090912c2c3b41 [2018-11-18 22:26:29,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 22:26:29,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 22:26:29,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 22:26:29,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 22:26:29,844 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 22:26:29,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:26:29" (1/1) ... [2018-11-18 22:26:29,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2812cc36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:26:29, skipping insertion in model container [2018-11-18 22:26:29,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:26:29" (1/1) ... [2018-11-18 22:26:29,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 22:26:29,899 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 22:26:30,206 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 22:26:30,223 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 22:26:30,309 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 22:26:30,331 INFO L195 MainTranslator]: Completed translation [2018-11-18 22:26:30,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:26:30 WrapperNode [2018-11-18 22:26:30,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 22:26:30,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 22:26:30,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 22:26:30,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 22:26:30,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:26:30" (1/1) ... [2018-11-18 22:26:30,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:26:30" (1/1) ... [2018-11-18 22:26:30,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:26:30" (1/1) ... [2018-11-18 22:26:30,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:26:30" (1/1) ... [2018-11-18 22:26:30,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:26:30" (1/1) ... [2018-11-18 22:26:30,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:26:30" (1/1) ... [2018-11-18 22:26:30,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:26:30" (1/1) ... [2018-11-18 22:26:30,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 22:26:30,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 22:26:30,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 22:26:30,392 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 22:26:30,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:26:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 22:26:30,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 22:26:30,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 22:26:30,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 22:26:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 22:26:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 22:26:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 22:26:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 22:26:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 22:26:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 22:26:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 22:26:31,716 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 22:26:31,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:26:31 BoogieIcfgContainer [2018-11-18 22:26:31,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 22:26:31,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 22:26:31,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 22:26:31,721 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 22:26:31,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:26:29" (1/3) ... [2018-11-18 22:26:31,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fbc484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:26:31, skipping insertion in model container [2018-11-18 22:26:31,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:26:30" (2/3) ... [2018-11-18 22:26:31,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fbc484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:26:31, skipping insertion in model container [2018-11-18 22:26:31,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:26:31" (3/3) ... [2018-11-18 22:26:31,725 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute_true-unreach-call.i.v+cfa-reducer.c [2018-11-18 22:26:31,733 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 22:26:31,740 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2018-11-18 22:26:31,754 INFO L257 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2018-11-18 22:26:31,783 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 22:26:31,784 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 22:26:31,784 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 22:26:31,785 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 22:26:31,785 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 22:26:31,787 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 22:26:31,787 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 22:26:31,787 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 22:26:31,788 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 22:26:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-11-18 22:26:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 22:26:31,816 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:26:31,817 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:26:31,820 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:26:31,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:26:31,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1637525138, now seen corresponding path program 1 times [2018-11-18 22:26:31,830 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:26:31,830 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:26:31,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:26:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:31,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:26:32,345 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 22:26:32,645 INFO L256 TraceCheckUtils]: 0: Hoare triple {90#true} call ULTIMATE.init(); {90#true} is VALID [2018-11-18 22:26:32,649 INFO L273 TraceCheckUtils]: 1: Hoare triple {90#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {90#true} is VALID [2018-11-18 22:26:32,650 INFO L273 TraceCheckUtils]: 2: Hoare triple {90#true} assume true; {90#true} is VALID [2018-11-18 22:26:32,650 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {90#true} {90#true} #215#return; {90#true} is VALID [2018-11-18 22:26:32,650 INFO L256 TraceCheckUtils]: 4: Hoare triple {90#true} call #t~ret8 := main(); {90#true} is VALID [2018-11-18 22:26:32,651 INFO L273 TraceCheckUtils]: 5: Hoare triple {90#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {90#true} is VALID [2018-11-18 22:26:32,652 INFO L273 TraceCheckUtils]: 6: Hoare triple {90#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {113#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:32,669 INFO L273 TraceCheckUtils]: 7: Hoare triple {113#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {113#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:32,684 INFO L273 TraceCheckUtils]: 8: Hoare triple {113#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {113#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:32,693 INFO L273 TraceCheckUtils]: 9: Hoare triple {113#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {113#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:32,695 INFO L273 TraceCheckUtils]: 10: Hoare triple {113#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {126#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:26:32,695 INFO L273 TraceCheckUtils]: 11: Hoare triple {126#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {126#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:26:32,697 INFO L273 TraceCheckUtils]: 12: Hoare triple {126#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume ~bvsgt32(~main__urilen~0, 0bv32); {133#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:32,698 INFO L273 TraceCheckUtils]: 13: Hoare triple {133#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {133#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:32,702 INFO L273 TraceCheckUtils]: 14: Hoare triple {133#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsge32(~main__scheme~0, 0bv32); {140#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:32,718 INFO L273 TraceCheckUtils]: 15: Hoare triple {140#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~main__scheme~0); {144#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (= main_~main__scheme~0 (_ bv0 32))) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:32,769 INFO L273 TraceCheckUtils]: 16: Hoare triple {144#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (= main_~main__scheme~0 (_ bv0 32))) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {148#(= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:26:32,787 INFO L273 TraceCheckUtils]: 17: Hoare triple {148#(= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~0; {91#false} is VALID [2018-11-18 22:26:32,788 INFO L273 TraceCheckUtils]: 18: Hoare triple {91#false} assume !false; {91#false} is VALID [2018-11-18 22:26:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:26:32,796 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:26:32,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:26:32,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 22:26:32,813 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-11-18 22:26:32,820 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:26:32,824 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-18 22:26:33,060 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:33,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 22:26:33,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 22:26:33,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-11-18 22:26:33,074 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 8 states. [2018-11-18 22:26:34,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:34,457 INFO L93 Difference]: Finished difference Result 106 states and 142 transitions. [2018-11-18 22:26:34,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 22:26:34,457 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-11-18 22:26:34,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:26:34,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-18 22:26:34,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 142 transitions. [2018-11-18 22:26:34,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-18 22:26:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 142 transitions. [2018-11-18 22:26:34,489 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 142 transitions. [2018-11-18 22:26:34,780 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 142 edges. 142 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:34,796 INFO L225 Difference]: With dead ends: 106 [2018-11-18 22:26:34,797 INFO L226 Difference]: Without dead ends: 80 [2018-11-18 22:26:34,800 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2018-11-18 22:26:34,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-18 22:26:34,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-11-18 22:26:34,889 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:26:34,890 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 80 states. [2018-11-18 22:26:34,890 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2018-11-18 22:26:34,891 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2018-11-18 22:26:34,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:34,898 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2018-11-18 22:26:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2018-11-18 22:26:34,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:34,900 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:34,900 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2018-11-18 22:26:34,900 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2018-11-18 22:26:34,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:34,908 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2018-11-18 22:26:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2018-11-18 22:26:34,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:34,909 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:34,909 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:26:34,910 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:26:34,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-11-18 22:26:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2018-11-18 22:26:34,917 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 19 [2018-11-18 22:26:34,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:26:34,917 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2018-11-18 22:26:34,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 22:26:34,917 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2018-11-18 22:26:34,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 22:26:34,918 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:26:34,918 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:26:34,919 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:26:34,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:26:34,920 INFO L82 PathProgramCache]: Analyzing trace with hash 776331368, now seen corresponding path program 1 times [2018-11-18 22:26:34,920 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:26:34,920 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:26:34,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:26:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:34,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:26:35,121 INFO L256 TraceCheckUtils]: 0: Hoare triple {522#true} call ULTIMATE.init(); {522#true} is VALID [2018-11-18 22:26:35,122 INFO L273 TraceCheckUtils]: 1: Hoare triple {522#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {522#true} is VALID [2018-11-18 22:26:35,122 INFO L273 TraceCheckUtils]: 2: Hoare triple {522#true} assume true; {522#true} is VALID [2018-11-18 22:26:35,123 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {522#true} {522#true} #215#return; {522#true} is VALID [2018-11-18 22:26:35,123 INFO L256 TraceCheckUtils]: 4: Hoare triple {522#true} call #t~ret8 := main(); {522#true} is VALID [2018-11-18 22:26:35,124 INFO L273 TraceCheckUtils]: 5: Hoare triple {522#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {522#true} is VALID [2018-11-18 22:26:35,125 INFO L273 TraceCheckUtils]: 6: Hoare triple {522#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {522#true} is VALID [2018-11-18 22:26:35,125 INFO L273 TraceCheckUtils]: 7: Hoare triple {522#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {522#true} is VALID [2018-11-18 22:26:35,125 INFO L273 TraceCheckUtils]: 8: Hoare triple {522#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {522#true} is VALID [2018-11-18 22:26:35,126 INFO L273 TraceCheckUtils]: 9: Hoare triple {522#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {522#true} is VALID [2018-11-18 22:26:35,140 INFO L273 TraceCheckUtils]: 10: Hoare triple {522#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {557#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:35,154 INFO L273 TraceCheckUtils]: 11: Hoare triple {557#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {557#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:35,160 INFO L273 TraceCheckUtils]: 12: Hoare triple {557#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {557#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:35,167 INFO L273 TraceCheckUtils]: 13: Hoare triple {557#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {557#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:35,168 INFO L273 TraceCheckUtils]: 14: Hoare triple {557#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsge32(~main__scheme~0, 0bv32); {570#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:26:35,169 INFO L273 TraceCheckUtils]: 15: Hoare triple {570#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !(0bv32 == ~main__scheme~0); {574#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (= main_~main__scheme~0 (_ bv0 32))) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:26:35,172 INFO L273 TraceCheckUtils]: 16: Hoare triple {574#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (= main_~main__scheme~0 (_ bv0 32))) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {578#(and (not (= main_~main__cp~0 (_ bv0 32))) (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:26:35,178 INFO L273 TraceCheckUtils]: 17: Hoare triple {578#(and (not (= main_~main__cp~0 (_ bv0 32))) (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {582#(= (bvadd main_~__VERIFIER_assert__cond~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:26:35,179 INFO L273 TraceCheckUtils]: 18: Hoare triple {582#(= (bvadd main_~__VERIFIER_assert__cond~1 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~1; {523#false} is VALID [2018-11-18 22:26:35,179 INFO L273 TraceCheckUtils]: 19: Hoare triple {523#false} assume !false; {523#false} is VALID [2018-11-18 22:26:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:26:35,185 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:26:35,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:26:35,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 22:26:35,191 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-18 22:26:35,191 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:26:35,191 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-18 22:26:35,235 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:35,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 22:26:35,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 22:26:35,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 22:26:35,236 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand 7 states. [2018-11-18 22:26:36,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:36,313 INFO L93 Difference]: Finished difference Result 103 states and 108 transitions. [2018-11-18 22:26:36,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 22:26:36,314 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-18 22:26:36,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:26:36,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-18 22:26:36,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 108 transitions. [2018-11-18 22:26:36,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-18 22:26:36,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 108 transitions. [2018-11-18 22:26:36,322 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 108 transitions. [2018-11-18 22:26:36,507 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:36,512 INFO L225 Difference]: With dead ends: 103 [2018-11-18 22:26:36,512 INFO L226 Difference]: Without dead ends: 101 [2018-11-18 22:26:36,513 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-18 22:26:36,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-18 22:26:36,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 78. [2018-11-18 22:26:36,559 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:26:36,559 INFO L82 GeneralOperation]: Start isEquivalent. First operand 101 states. Second operand 78 states. [2018-11-18 22:26:36,559 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 78 states. [2018-11-18 22:26:36,560 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 78 states. [2018-11-18 22:26:36,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:36,566 INFO L93 Difference]: Finished difference Result 101 states and 106 transitions. [2018-11-18 22:26:36,566 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 106 transitions. [2018-11-18 22:26:36,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:36,568 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:36,568 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 101 states. [2018-11-18 22:26:36,568 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 101 states. [2018-11-18 22:26:36,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:36,574 INFO L93 Difference]: Finished difference Result 101 states and 106 transitions. [2018-11-18 22:26:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 106 transitions. [2018-11-18 22:26:36,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:36,576 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:36,576 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:26:36,576 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:26:36,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-18 22:26:36,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2018-11-18 22:26:36,580 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 20 [2018-11-18 22:26:36,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:26:36,580 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2018-11-18 22:26:36,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 22:26:36,581 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2018-11-18 22:26:36,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 22:26:36,582 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:26:36,582 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:26:36,583 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:26:36,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:26:36,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1269768629, now seen corresponding path program 1 times [2018-11-18 22:26:36,584 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:26:36,584 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:26:36,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:26:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:36,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:26:37,081 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 15 [2018-11-18 22:26:37,325 INFO L256 TraceCheckUtils]: 0: Hoare triple {995#true} call ULTIMATE.init(); {995#true} is VALID [2018-11-18 22:26:37,326 INFO L273 TraceCheckUtils]: 1: Hoare triple {995#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {995#true} is VALID [2018-11-18 22:26:37,326 INFO L273 TraceCheckUtils]: 2: Hoare triple {995#true} assume true; {995#true} is VALID [2018-11-18 22:26:37,326 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {995#true} {995#true} #215#return; {995#true} is VALID [2018-11-18 22:26:37,326 INFO L256 TraceCheckUtils]: 4: Hoare triple {995#true} call #t~ret8 := main(); {995#true} is VALID [2018-11-18 22:26:37,327 INFO L273 TraceCheckUtils]: 5: Hoare triple {995#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {995#true} is VALID [2018-11-18 22:26:37,328 INFO L273 TraceCheckUtils]: 6: Hoare triple {995#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {1018#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:37,328 INFO L273 TraceCheckUtils]: 7: Hoare triple {1018#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {1018#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:37,329 INFO L273 TraceCheckUtils]: 8: Hoare triple {1018#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {1018#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:37,329 INFO L273 TraceCheckUtils]: 9: Hoare triple {1018#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {1018#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:37,330 INFO L273 TraceCheckUtils]: 10: Hoare triple {1018#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {1031#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:26:37,330 INFO L273 TraceCheckUtils]: 11: Hoare triple {1031#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {1031#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:26:37,336 INFO L273 TraceCheckUtils]: 12: Hoare triple {1031#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume ~bvsgt32(~main__urilen~0, 0bv32); {1038#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:37,337 INFO L273 TraceCheckUtils]: 13: Hoare triple {1038#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {1038#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:37,337 INFO L273 TraceCheckUtils]: 14: Hoare triple {1038#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsge32(~main__scheme~0, 0bv32); {1045#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:37,338 INFO L273 TraceCheckUtils]: 15: Hoare triple {1045#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~main__scheme~0); {1045#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:37,366 INFO L273 TraceCheckUtils]: 16: Hoare triple {1045#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {1052#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:37,369 INFO L273 TraceCheckUtils]: 17: Hoare triple {1052#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {1056#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (or (and (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (= (bvadd main_~__VERIFIER_assert__cond~1 (_ bv4294967295 32)) (_ bv0 32))) (and (not (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32)))) (= main_~__VERIFIER_assert__cond~1 (_ bv0 32)))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:37,370 INFO L273 TraceCheckUtils]: 18: Hoare triple {1056#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (or (and (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (= (bvadd main_~__VERIFIER_assert__cond~1 (_ bv4294967295 32)) (_ bv0 32))) (and (not (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32)))) (= main_~__VERIFIER_assert__cond~1 (_ bv0 32)))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {1060#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:37,378 INFO L273 TraceCheckUtils]: 19: Hoare triple {1060#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {1064#(= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:26:37,378 INFO L273 TraceCheckUtils]: 20: Hoare triple {1064#(= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~2; {996#false} is VALID [2018-11-18 22:26:37,379 INFO L273 TraceCheckUtils]: 21: Hoare triple {996#false} assume !false; {996#false} is VALID [2018-11-18 22:26:37,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:26:37,381 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:26:37,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:26:37,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 22:26:37,387 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-11-18 22:26:37,388 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:26:37,389 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2018-11-18 22:26:37,457 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:37,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 22:26:37,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 22:26:37,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-18 22:26:37,459 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand 10 states. [2018-11-18 22:26:38,098 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2018-11-18 22:26:39,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:39,686 INFO L93 Difference]: Finished difference Result 130 states and 136 transitions. [2018-11-18 22:26:39,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 22:26:39,687 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-11-18 22:26:39,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:26:39,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-18 22:26:39,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 136 transitions. [2018-11-18 22:26:39,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-18 22:26:39,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 136 transitions. [2018-11-18 22:26:39,694 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 136 transitions. [2018-11-18 22:26:40,085 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 136 edges. 136 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:40,090 INFO L225 Difference]: With dead ends: 130 [2018-11-18 22:26:40,090 INFO L226 Difference]: Without dead ends: 128 [2018-11-18 22:26:40,091 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2018-11-18 22:26:40,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-18 22:26:40,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 76. [2018-11-18 22:26:40,220 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:26:40,220 INFO L82 GeneralOperation]: Start isEquivalent. First operand 128 states. Second operand 76 states. [2018-11-18 22:26:40,220 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 76 states. [2018-11-18 22:26:40,220 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 76 states. [2018-11-18 22:26:40,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:40,226 INFO L93 Difference]: Finished difference Result 128 states and 134 transitions. [2018-11-18 22:26:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 134 transitions. [2018-11-18 22:26:40,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:40,228 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:40,228 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 128 states. [2018-11-18 22:26:40,228 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 128 states. [2018-11-18 22:26:40,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:40,234 INFO L93 Difference]: Finished difference Result 128 states and 134 transitions. [2018-11-18 22:26:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 134 transitions. [2018-11-18 22:26:40,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:40,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:40,235 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:26:40,236 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:26:40,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-18 22:26:40,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2018-11-18 22:26:40,243 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 22 [2018-11-18 22:26:40,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:26:40,243 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2018-11-18 22:26:40,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 22:26:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2018-11-18 22:26:40,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 22:26:40,244 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:26:40,244 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:26:40,245 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:26:40,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:26:40,245 INFO L82 PathProgramCache]: Analyzing trace with hash -708118726, now seen corresponding path program 1 times [2018-11-18 22:26:40,246 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:26:40,246 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:26:40,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:26:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:40,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:26:40,368 INFO L256 TraceCheckUtils]: 0: Hoare triple {1564#true} call ULTIMATE.init(); {1564#true} is VALID [2018-11-18 22:26:40,368 INFO L273 TraceCheckUtils]: 1: Hoare triple {1564#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {1564#true} is VALID [2018-11-18 22:26:40,369 INFO L273 TraceCheckUtils]: 2: Hoare triple {1564#true} assume true; {1564#true} is VALID [2018-11-18 22:26:40,369 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1564#true} {1564#true} #215#return; {1564#true} is VALID [2018-11-18 22:26:40,370 INFO L256 TraceCheckUtils]: 4: Hoare triple {1564#true} call #t~ret8 := main(); {1564#true} is VALID [2018-11-18 22:26:40,370 INFO L273 TraceCheckUtils]: 5: Hoare triple {1564#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {1564#true} is VALID [2018-11-18 22:26:40,371 INFO L273 TraceCheckUtils]: 6: Hoare triple {1564#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {1564#true} is VALID [2018-11-18 22:26:40,371 INFO L273 TraceCheckUtils]: 7: Hoare triple {1564#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {1564#true} is VALID [2018-11-18 22:26:40,372 INFO L273 TraceCheckUtils]: 8: Hoare triple {1564#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {1564#true} is VALID [2018-11-18 22:26:40,372 INFO L273 TraceCheckUtils]: 9: Hoare triple {1564#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {1564#true} is VALID [2018-11-18 22:26:40,372 INFO L273 TraceCheckUtils]: 10: Hoare triple {1564#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {1564#true} is VALID [2018-11-18 22:26:40,372 INFO L273 TraceCheckUtils]: 11: Hoare triple {1564#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {1564#true} is VALID [2018-11-18 22:26:40,372 INFO L273 TraceCheckUtils]: 12: Hoare triple {1564#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {1564#true} is VALID [2018-11-18 22:26:40,373 INFO L273 TraceCheckUtils]: 13: Hoare triple {1564#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {1564#true} is VALID [2018-11-18 22:26:40,377 INFO L273 TraceCheckUtils]: 14: Hoare triple {1564#true} assume ~bvsge32(~main__scheme~0, 0bv32); {1611#(bvsge main_~main__scheme~0 (_ bv0 32))} is VALID [2018-11-18 22:26:40,379 INFO L273 TraceCheckUtils]: 15: Hoare triple {1611#(bvsge main_~main__scheme~0 (_ bv0 32))} assume !(0bv32 == ~main__scheme~0); {1611#(bvsge main_~main__scheme~0 (_ bv0 32))} is VALID [2018-11-18 22:26:40,380 INFO L273 TraceCheckUtils]: 16: Hoare triple {1611#(bvsge main_~main__scheme~0 (_ bv0 32))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {1618#(bvsge main_~main__cp~0 (_ bv0 32))} is VALID [2018-11-18 22:26:40,381 INFO L273 TraceCheckUtils]: 17: Hoare triple {1618#(bvsge main_~main__cp~0 (_ bv0 32))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {1618#(bvsge main_~main__cp~0 (_ bv0 32))} is VALID [2018-11-18 22:26:40,381 INFO L273 TraceCheckUtils]: 18: Hoare triple {1618#(bvsge main_~main__cp~0 (_ bv0 32))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {1618#(bvsge main_~main__cp~0 (_ bv0 32))} is VALID [2018-11-18 22:26:40,384 INFO L273 TraceCheckUtils]: 19: Hoare triple {1618#(bvsge main_~main__cp~0 (_ bv0 32))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {1618#(bvsge main_~main__cp~0 (_ bv0 32))} is VALID [2018-11-18 22:26:40,384 INFO L273 TraceCheckUtils]: 20: Hoare triple {1618#(bvsge main_~main__cp~0 (_ bv0 32))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {1631#(= (bvadd main_~__VERIFIER_assert__cond~3 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:26:40,387 INFO L273 TraceCheckUtils]: 21: Hoare triple {1631#(= (bvadd main_~__VERIFIER_assert__cond~3 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~3; {1565#false} is VALID [2018-11-18 22:26:40,387 INFO L273 TraceCheckUtils]: 22: Hoare triple {1565#false} assume !false; {1565#false} is VALID [2018-11-18 22:26:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:26:40,389 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:26:40,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:26:40,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:26:40,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-18 22:26:40,394 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:26:40,394 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:26:40,423 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:40,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:26:40,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:26:40,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:26:40,424 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 5 states. [2018-11-18 22:26:40,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:40,988 INFO L93 Difference]: Finished difference Result 99 states and 104 transitions. [2018-11-18 22:26:40,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 22:26:40,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-18 22:26:40,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:26:40,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:26:40,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 104 transitions. [2018-11-18 22:26:40,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:26:40,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 104 transitions. [2018-11-18 22:26:40,993 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 104 transitions. [2018-11-18 22:26:41,186 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:41,188 INFO L225 Difference]: With dead ends: 99 [2018-11-18 22:26:41,189 INFO L226 Difference]: Without dead ends: 97 [2018-11-18 22:26:41,189 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-18 22:26:41,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-11-18 22:26:41,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 74. [2018-11-18 22:26:41,220 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:26:41,220 INFO L82 GeneralOperation]: Start isEquivalent. First operand 97 states. Second operand 74 states. [2018-11-18 22:26:41,220 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 74 states. [2018-11-18 22:26:41,221 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 74 states. [2018-11-18 22:26:41,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:41,224 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2018-11-18 22:26:41,224 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2018-11-18 22:26:41,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:41,225 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:41,225 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 97 states. [2018-11-18 22:26:41,225 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 97 states. [2018-11-18 22:26:41,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:41,228 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2018-11-18 22:26:41,229 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2018-11-18 22:26:41,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:41,229 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:41,229 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:26:41,230 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:26:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-11-18 22:26:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2018-11-18 22:26:41,232 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 23 [2018-11-18 22:26:41,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:26:41,233 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2018-11-18 22:26:41,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:26:41,233 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2018-11-18 22:26:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 22:26:41,234 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:26:41,234 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:26:41,234 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:26:41,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:26:41,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1317531748, now seen corresponding path program 1 times [2018-11-18 22:26:41,235 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:26:41,235 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:26:41,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:26:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:41,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:26:41,580 INFO L256 TraceCheckUtils]: 0: Hoare triple {2028#true} call ULTIMATE.init(); {2028#true} is VALID [2018-11-18 22:26:41,581 INFO L273 TraceCheckUtils]: 1: Hoare triple {2028#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {2028#true} is VALID [2018-11-18 22:26:41,581 INFO L273 TraceCheckUtils]: 2: Hoare triple {2028#true} assume true; {2028#true} is VALID [2018-11-18 22:26:41,581 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2028#true} {2028#true} #215#return; {2028#true} is VALID [2018-11-18 22:26:41,581 INFO L256 TraceCheckUtils]: 4: Hoare triple {2028#true} call #t~ret8 := main(); {2028#true} is VALID [2018-11-18 22:26:41,582 INFO L273 TraceCheckUtils]: 5: Hoare triple {2028#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {2028#true} is VALID [2018-11-18 22:26:41,582 INFO L273 TraceCheckUtils]: 6: Hoare triple {2028#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {2028#true} is VALID [2018-11-18 22:26:41,582 INFO L273 TraceCheckUtils]: 7: Hoare triple {2028#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {2028#true} is VALID [2018-11-18 22:26:41,583 INFO L273 TraceCheckUtils]: 8: Hoare triple {2028#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {2028#true} is VALID [2018-11-18 22:26:41,583 INFO L273 TraceCheckUtils]: 9: Hoare triple {2028#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {2028#true} is VALID [2018-11-18 22:26:41,583 INFO L273 TraceCheckUtils]: 10: Hoare triple {2028#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {2028#true} is VALID [2018-11-18 22:26:41,583 INFO L273 TraceCheckUtils]: 11: Hoare triple {2028#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {2028#true} is VALID [2018-11-18 22:26:41,584 INFO L273 TraceCheckUtils]: 12: Hoare triple {2028#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {2028#true} is VALID [2018-11-18 22:26:41,584 INFO L273 TraceCheckUtils]: 13: Hoare triple {2028#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {2028#true} is VALID [2018-11-18 22:26:41,584 INFO L273 TraceCheckUtils]: 14: Hoare triple {2028#true} assume ~bvsge32(~main__scheme~0, 0bv32); {2028#true} is VALID [2018-11-18 22:26:41,584 INFO L273 TraceCheckUtils]: 15: Hoare triple {2028#true} assume !(0bv32 == ~main__scheme~0); {2028#true} is VALID [2018-11-18 22:26:41,585 INFO L273 TraceCheckUtils]: 16: Hoare triple {2028#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {2028#true} is VALID [2018-11-18 22:26:41,585 INFO L273 TraceCheckUtils]: 17: Hoare triple {2028#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {2028#true} is VALID [2018-11-18 22:26:41,585 INFO L273 TraceCheckUtils]: 18: Hoare triple {2028#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {2028#true} is VALID [2018-11-18 22:26:41,587 INFO L273 TraceCheckUtils]: 19: Hoare triple {2028#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {2090#(or (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (= main_~__VERIFIER_assert__cond~2 (_ bv0 32))) (and (bvslt main_~main__cp~0 main_~main__urilen~0) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32))))} is VALID [2018-11-18 22:26:41,588 INFO L273 TraceCheckUtils]: 20: Hoare triple {2090#(or (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (= main_~__VERIFIER_assert__cond~2 (_ bv0 32))) (and (bvslt main_~main__cp~0 main_~main__urilen~0) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {2094#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:26:41,588 INFO L273 TraceCheckUtils]: 21: Hoare triple {2094#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {2094#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:26:41,595 INFO L273 TraceCheckUtils]: 22: Hoare triple {2094#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {2094#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:26:41,596 INFO L273 TraceCheckUtils]: 23: Hoare triple {2094#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {2104#(= (bvadd main_~__VERIFIER_assert__cond~16 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:26:41,596 INFO L273 TraceCheckUtils]: 24: Hoare triple {2104#(= (bvadd main_~__VERIFIER_assert__cond~16 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~16; {2029#false} is VALID [2018-11-18 22:26:41,596 INFO L273 TraceCheckUtils]: 25: Hoare triple {2029#false} assume !false; {2029#false} is VALID [2018-11-18 22:26:41,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:26:41,598 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:26:41,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:26:41,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:26:41,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-18 22:26:41,600 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:26:41,600 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:26:41,665 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:41,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:26:41,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:26:41,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:26:41,666 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand 5 states. [2018-11-18 22:26:42,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:42,815 INFO L93 Difference]: Finished difference Result 143 states and 151 transitions. [2018-11-18 22:26:42,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 22:26:42,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-18 22:26:42,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:26:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:26:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 151 transitions. [2018-11-18 22:26:42,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:26:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 151 transitions. [2018-11-18 22:26:42,821 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 151 transitions. [2018-11-18 22:26:43,039 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 151 edges. 151 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:43,042 INFO L225 Difference]: With dead ends: 143 [2018-11-18 22:26:43,042 INFO L226 Difference]: Without dead ends: 141 [2018-11-18 22:26:43,043 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 22:26:43,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-18 22:26:43,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 77. [2018-11-18 22:26:43,104 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:26:43,104 INFO L82 GeneralOperation]: Start isEquivalent. First operand 141 states. Second operand 77 states. [2018-11-18 22:26:43,104 INFO L74 IsIncluded]: Start isIncluded. First operand 141 states. Second operand 77 states. [2018-11-18 22:26:43,105 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 77 states. [2018-11-18 22:26:43,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:43,109 INFO L93 Difference]: Finished difference Result 141 states and 149 transitions. [2018-11-18 22:26:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 149 transitions. [2018-11-18 22:26:43,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:43,110 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:43,110 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 141 states. [2018-11-18 22:26:43,110 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 141 states. [2018-11-18 22:26:43,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:43,114 INFO L93 Difference]: Finished difference Result 141 states and 149 transitions. [2018-11-18 22:26:43,114 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 149 transitions. [2018-11-18 22:26:43,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:43,115 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:43,115 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:26:43,115 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:26:43,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-18 22:26:43,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2018-11-18 22:26:43,117 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 26 [2018-11-18 22:26:43,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:26:43,118 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2018-11-18 22:26:43,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:26:43,118 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2018-11-18 22:26:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 22:26:43,119 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:26:43,119 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:26:43,120 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:26:43,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:26:43,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1321265557, now seen corresponding path program 1 times [2018-11-18 22:26:43,121 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:26:43,121 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:26:43,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:26:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:43,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:26:43,369 INFO L256 TraceCheckUtils]: 0: Hoare triple {2639#true} call ULTIMATE.init(); {2639#true} is VALID [2018-11-18 22:26:43,369 INFO L273 TraceCheckUtils]: 1: Hoare triple {2639#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {2639#true} is VALID [2018-11-18 22:26:43,370 INFO L273 TraceCheckUtils]: 2: Hoare triple {2639#true} assume true; {2639#true} is VALID [2018-11-18 22:26:43,370 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2639#true} {2639#true} #215#return; {2639#true} is VALID [2018-11-18 22:26:43,370 INFO L256 TraceCheckUtils]: 4: Hoare triple {2639#true} call #t~ret8 := main(); {2639#true} is VALID [2018-11-18 22:26:43,370 INFO L273 TraceCheckUtils]: 5: Hoare triple {2639#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {2639#true} is VALID [2018-11-18 22:26:43,371 INFO L273 TraceCheckUtils]: 6: Hoare triple {2639#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {2639#true} is VALID [2018-11-18 22:26:43,371 INFO L273 TraceCheckUtils]: 7: Hoare triple {2639#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {2639#true} is VALID [2018-11-18 22:26:43,371 INFO L273 TraceCheckUtils]: 8: Hoare triple {2639#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {2639#true} is VALID [2018-11-18 22:26:43,371 INFO L273 TraceCheckUtils]: 9: Hoare triple {2639#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {2639#true} is VALID [2018-11-18 22:26:43,371 INFO L273 TraceCheckUtils]: 10: Hoare triple {2639#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {2639#true} is VALID [2018-11-18 22:26:43,371 INFO L273 TraceCheckUtils]: 11: Hoare triple {2639#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {2639#true} is VALID [2018-11-18 22:26:43,372 INFO L273 TraceCheckUtils]: 12: Hoare triple {2639#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {2639#true} is VALID [2018-11-18 22:26:43,372 INFO L273 TraceCheckUtils]: 13: Hoare triple {2639#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {2639#true} is VALID [2018-11-18 22:26:43,373 INFO L273 TraceCheckUtils]: 14: Hoare triple {2639#true} assume ~bvsge32(~main__scheme~0, 0bv32); {2639#true} is VALID [2018-11-18 22:26:43,373 INFO L273 TraceCheckUtils]: 15: Hoare triple {2639#true} assume !(0bv32 == ~main__scheme~0); {2639#true} is VALID [2018-11-18 22:26:43,373 INFO L273 TraceCheckUtils]: 16: Hoare triple {2639#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {2639#true} is VALID [2018-11-18 22:26:43,374 INFO L273 TraceCheckUtils]: 17: Hoare triple {2639#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {2639#true} is VALID [2018-11-18 22:26:43,374 INFO L273 TraceCheckUtils]: 18: Hoare triple {2639#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {2639#true} is VALID [2018-11-18 22:26:43,387 INFO L273 TraceCheckUtils]: 19: Hoare triple {2639#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {2701#(or (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (= main_~__VERIFIER_assert__cond~2 (_ bv0 32))) (and (bvslt main_~main__cp~0 main_~main__urilen~0) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32))))} is VALID [2018-11-18 22:26:43,388 INFO L273 TraceCheckUtils]: 20: Hoare triple {2701#(or (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (= main_~__VERIFIER_assert__cond~2 (_ bv0 32))) (and (bvslt main_~main__cp~0 main_~main__urilen~0) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {2705#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:26:43,389 INFO L273 TraceCheckUtils]: 21: Hoare triple {2705#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {2705#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:26:43,389 INFO L273 TraceCheckUtils]: 22: Hoare triple {2705#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32)); {2705#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:26:43,390 INFO L273 TraceCheckUtils]: 23: Hoare triple {2705#(bvslt main_~main__cp~0 main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {2715#(= (bvadd main_~__VERIFIER_assert__cond~4 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:26:43,391 INFO L273 TraceCheckUtils]: 24: Hoare triple {2715#(= (bvadd main_~__VERIFIER_assert__cond~4 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~4; {2640#false} is VALID [2018-11-18 22:26:43,391 INFO L273 TraceCheckUtils]: 25: Hoare triple {2640#false} assume !false; {2640#false} is VALID [2018-11-18 22:26:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:26:43,392 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:26:43,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:26:43,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:26:43,395 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-18 22:26:43,396 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:26:43,396 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:26:43,430 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:43,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:26:43,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:26:43,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:26:43,431 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand 5 states. [2018-11-18 22:26:44,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:44,138 INFO L93 Difference]: Finished difference Result 124 states and 130 transitions. [2018-11-18 22:26:44,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 22:26:44,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-18 22:26:44,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:26:44,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:26:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 130 transitions. [2018-11-18 22:26:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:26:44,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 130 transitions. [2018-11-18 22:26:44,143 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 130 transitions. [2018-11-18 22:26:44,333 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 130 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:44,336 INFO L225 Difference]: With dead ends: 124 [2018-11-18 22:26:44,336 INFO L226 Difference]: Without dead ends: 122 [2018-11-18 22:26:44,336 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 22:26:44,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-11-18 22:26:44,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 79. [2018-11-18 22:26:44,382 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:26:44,382 INFO L82 GeneralOperation]: Start isEquivalent. First operand 122 states. Second operand 79 states. [2018-11-18 22:26:44,382 INFO L74 IsIncluded]: Start isIncluded. First operand 122 states. Second operand 79 states. [2018-11-18 22:26:44,383 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 79 states. [2018-11-18 22:26:44,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:44,387 INFO L93 Difference]: Finished difference Result 122 states and 128 transitions. [2018-11-18 22:26:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 128 transitions. [2018-11-18 22:26:44,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:44,388 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:44,388 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 122 states. [2018-11-18 22:26:44,388 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 122 states. [2018-11-18 22:26:44,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:44,392 INFO L93 Difference]: Finished difference Result 122 states and 128 transitions. [2018-11-18 22:26:44,393 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 128 transitions. [2018-11-18 22:26:44,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:44,393 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:44,394 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:26:44,394 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:26:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-11-18 22:26:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2018-11-18 22:26:44,396 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 26 [2018-11-18 22:26:44,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:26:44,397 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2018-11-18 22:26:44,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:26:44,397 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2018-11-18 22:26:44,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 22:26:44,398 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:26:44,398 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:26:44,399 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:26:44,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:26:44,399 INFO L82 PathProgramCache]: Analyzing trace with hash -2106185532, now seen corresponding path program 1 times [2018-11-18 22:26:44,400 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:26:44,400 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:26:44,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:26:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:44,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:26:44,684 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 22:26:44,717 INFO L256 TraceCheckUtils]: 0: Hoare triple {3194#true} call ULTIMATE.init(); {3194#true} is VALID [2018-11-18 22:26:44,718 INFO L273 TraceCheckUtils]: 1: Hoare triple {3194#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {3194#true} is VALID [2018-11-18 22:26:44,718 INFO L273 TraceCheckUtils]: 2: Hoare triple {3194#true} assume true; {3194#true} is VALID [2018-11-18 22:26:44,718 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3194#true} {3194#true} #215#return; {3194#true} is VALID [2018-11-18 22:26:44,718 INFO L256 TraceCheckUtils]: 4: Hoare triple {3194#true} call #t~ret8 := main(); {3194#true} is VALID [2018-11-18 22:26:44,718 INFO L273 TraceCheckUtils]: 5: Hoare triple {3194#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {3194#true} is VALID [2018-11-18 22:26:44,719 INFO L273 TraceCheckUtils]: 6: Hoare triple {3194#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {3194#true} is VALID [2018-11-18 22:26:44,719 INFO L273 TraceCheckUtils]: 7: Hoare triple {3194#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {3194#true} is VALID [2018-11-18 22:26:44,719 INFO L273 TraceCheckUtils]: 8: Hoare triple {3194#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {3194#true} is VALID [2018-11-18 22:26:44,719 INFO L273 TraceCheckUtils]: 9: Hoare triple {3194#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {3194#true} is VALID [2018-11-18 22:26:44,719 INFO L273 TraceCheckUtils]: 10: Hoare triple {3194#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {3194#true} is VALID [2018-11-18 22:26:44,720 INFO L273 TraceCheckUtils]: 11: Hoare triple {3194#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {3194#true} is VALID [2018-11-18 22:26:44,720 INFO L273 TraceCheckUtils]: 12: Hoare triple {3194#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {3194#true} is VALID [2018-11-18 22:26:44,720 INFO L273 TraceCheckUtils]: 13: Hoare triple {3194#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {3194#true} is VALID [2018-11-18 22:26:44,720 INFO L273 TraceCheckUtils]: 14: Hoare triple {3194#true} assume ~bvsge32(~main__scheme~0, 0bv32); {3194#true} is VALID [2018-11-18 22:26:44,721 INFO L273 TraceCheckUtils]: 15: Hoare triple {3194#true} assume !(0bv32 == ~main__scheme~0); {3194#true} is VALID [2018-11-18 22:26:44,721 INFO L273 TraceCheckUtils]: 16: Hoare triple {3194#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {3194#true} is VALID [2018-11-18 22:26:44,721 INFO L273 TraceCheckUtils]: 17: Hoare triple {3194#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {3194#true} is VALID [2018-11-18 22:26:44,721 INFO L273 TraceCheckUtils]: 18: Hoare triple {3194#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {3194#true} is VALID [2018-11-18 22:26:44,721 INFO L273 TraceCheckUtils]: 19: Hoare triple {3194#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {3194#true} is VALID [2018-11-18 22:26:44,722 INFO L273 TraceCheckUtils]: 20: Hoare triple {3194#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {3259#(or (and (= (bvadd main_~__VERIFIER_assert__cond~3 (_ bv4294967295 32)) (_ bv0 32)) (bvsle (_ bv0 32) main_~main__cp~0)) (and (= main_~__VERIFIER_assert__cond~3 (_ bv0 32)) (not (bvsle (_ bv0 32) main_~main__cp~0))))} is VALID [2018-11-18 22:26:44,723 INFO L273 TraceCheckUtils]: 21: Hoare triple {3259#(or (and (= (bvadd main_~__VERIFIER_assert__cond~3 (_ bv4294967295 32)) (_ bv0 32)) (bvsle (_ bv0 32) main_~main__cp~0)) (and (= main_~__VERIFIER_assert__cond~3 (_ bv0 32)) (not (bvsle (_ bv0 32) main_~main__cp~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {3263#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:26:44,723 INFO L273 TraceCheckUtils]: 22: Hoare triple {3263#(bvsle (_ bv0 32) main_~main__cp~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {3263#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:26:44,724 INFO L273 TraceCheckUtils]: 23: Hoare triple {3263#(bvsle (_ bv0 32) main_~main__cp~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {3263#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:26:44,743 INFO L273 TraceCheckUtils]: 24: Hoare triple {3263#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {3273#(= (bvadd main_~__VERIFIER_assert__cond~17 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:26:44,752 INFO L273 TraceCheckUtils]: 25: Hoare triple {3273#(= (bvadd main_~__VERIFIER_assert__cond~17 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~17; {3195#false} is VALID [2018-11-18 22:26:44,752 INFO L273 TraceCheckUtils]: 26: Hoare triple {3195#false} assume !false; {3195#false} is VALID [2018-11-18 22:26:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:26:44,753 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:26:44,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:26:44,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:26:44,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-11-18 22:26:44,758 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:26:44,758 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:26:44,799 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:44,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:26:44,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:26:44,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:26:44,800 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 5 states. [2018-11-18 22:26:46,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:46,061 INFO L93 Difference]: Finished difference Result 142 states and 150 transitions. [2018-11-18 22:26:46,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 22:26:46,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-11-18 22:26:46,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:26:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:26:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 150 transitions. [2018-11-18 22:26:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:26:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 150 transitions. [2018-11-18 22:26:46,067 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 150 transitions. [2018-11-18 22:26:46,551 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:46,555 INFO L225 Difference]: With dead ends: 142 [2018-11-18 22:26:46,555 INFO L226 Difference]: Without dead ends: 140 [2018-11-18 22:26:46,555 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 22:26:46,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-18 22:26:46,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 80. [2018-11-18 22:26:46,624 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:26:46,625 INFO L82 GeneralOperation]: Start isEquivalent. First operand 140 states. Second operand 80 states. [2018-11-18 22:26:46,625 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 80 states. [2018-11-18 22:26:46,625 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 80 states. [2018-11-18 22:26:46,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:46,630 INFO L93 Difference]: Finished difference Result 140 states and 148 transitions. [2018-11-18 22:26:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 148 transitions. [2018-11-18 22:26:46,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:46,630 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:46,630 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 140 states. [2018-11-18 22:26:46,630 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 140 states. [2018-11-18 22:26:46,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:46,634 INFO L93 Difference]: Finished difference Result 140 states and 148 transitions. [2018-11-18 22:26:46,634 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 148 transitions. [2018-11-18 22:26:46,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:46,634 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:46,635 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:26:46,635 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:26:46,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-11-18 22:26:46,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2018-11-18 22:26:46,637 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 27 [2018-11-18 22:26:46,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:26:46,637 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2018-11-18 22:26:46,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:26:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2018-11-18 22:26:46,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 22:26:46,638 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:26:46,638 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:26:46,639 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:26:46,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:26:46,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1990437563, now seen corresponding path program 1 times [2018-11-18 22:26:46,640 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:26:46,640 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:26:46,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:26:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:46,706 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:26:46,798 INFO L256 TraceCheckUtils]: 0: Hoare triple {3809#true} call ULTIMATE.init(); {3809#true} is VALID [2018-11-18 22:26:46,798 INFO L273 TraceCheckUtils]: 1: Hoare triple {3809#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {3809#true} is VALID [2018-11-18 22:26:46,799 INFO L273 TraceCheckUtils]: 2: Hoare triple {3809#true} assume true; {3809#true} is VALID [2018-11-18 22:26:46,799 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3809#true} {3809#true} #215#return; {3809#true} is VALID [2018-11-18 22:26:46,799 INFO L256 TraceCheckUtils]: 4: Hoare triple {3809#true} call #t~ret8 := main(); {3809#true} is VALID [2018-11-18 22:26:46,800 INFO L273 TraceCheckUtils]: 5: Hoare triple {3809#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {3809#true} is VALID [2018-11-18 22:26:46,800 INFO L273 TraceCheckUtils]: 6: Hoare triple {3809#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {3809#true} is VALID [2018-11-18 22:26:46,800 INFO L273 TraceCheckUtils]: 7: Hoare triple {3809#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {3809#true} is VALID [2018-11-18 22:26:46,801 INFO L273 TraceCheckUtils]: 8: Hoare triple {3809#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {3809#true} is VALID [2018-11-18 22:26:46,801 INFO L273 TraceCheckUtils]: 9: Hoare triple {3809#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {3809#true} is VALID [2018-11-18 22:26:46,801 INFO L273 TraceCheckUtils]: 10: Hoare triple {3809#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {3809#true} is VALID [2018-11-18 22:26:46,801 INFO L273 TraceCheckUtils]: 11: Hoare triple {3809#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {3809#true} is VALID [2018-11-18 22:26:46,801 INFO L273 TraceCheckUtils]: 12: Hoare triple {3809#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {3809#true} is VALID [2018-11-18 22:26:46,801 INFO L273 TraceCheckUtils]: 13: Hoare triple {3809#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {3809#true} is VALID [2018-11-18 22:26:46,802 INFO L273 TraceCheckUtils]: 14: Hoare triple {3809#true} assume ~bvsge32(~main__scheme~0, 0bv32); {3809#true} is VALID [2018-11-18 22:26:46,802 INFO L273 TraceCheckUtils]: 15: Hoare triple {3809#true} assume !(0bv32 == ~main__scheme~0); {3809#true} is VALID [2018-11-18 22:26:46,802 INFO L273 TraceCheckUtils]: 16: Hoare triple {3809#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {3809#true} is VALID [2018-11-18 22:26:46,802 INFO L273 TraceCheckUtils]: 17: Hoare triple {3809#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {3809#true} is VALID [2018-11-18 22:26:46,802 INFO L273 TraceCheckUtils]: 18: Hoare triple {3809#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {3809#true} is VALID [2018-11-18 22:26:46,802 INFO L273 TraceCheckUtils]: 19: Hoare triple {3809#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {3809#true} is VALID [2018-11-18 22:26:46,803 INFO L273 TraceCheckUtils]: 20: Hoare triple {3809#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {3874#(or (and (= (bvadd main_~__VERIFIER_assert__cond~3 (_ bv4294967295 32)) (_ bv0 32)) (bvsle (_ bv0 32) main_~main__cp~0)) (and (= main_~__VERIFIER_assert__cond~3 (_ bv0 32)) (not (bvsle (_ bv0 32) main_~main__cp~0))))} is VALID [2018-11-18 22:26:46,804 INFO L273 TraceCheckUtils]: 21: Hoare triple {3874#(or (and (= (bvadd main_~__VERIFIER_assert__cond~3 (_ bv4294967295 32)) (_ bv0 32)) (bvsle (_ bv0 32) main_~main__cp~0)) (and (= main_~__VERIFIER_assert__cond~3 (_ bv0 32)) (not (bvsle (_ bv0 32) main_~main__cp~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {3878#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:26:46,804 INFO L273 TraceCheckUtils]: 22: Hoare triple {3878#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32)); {3878#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:26:46,804 INFO L273 TraceCheckUtils]: 23: Hoare triple {3878#(bvsle (_ bv0 32) main_~main__cp~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {3878#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:26:46,805 INFO L273 TraceCheckUtils]: 24: Hoare triple {3878#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {3888#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:26:46,808 INFO L273 TraceCheckUtils]: 25: Hoare triple {3888#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {3810#false} is VALID [2018-11-18 22:26:46,808 INFO L273 TraceCheckUtils]: 26: Hoare triple {3810#false} assume !false; {3810#false} is VALID [2018-11-18 22:26:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:26:46,809 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:26:46,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:26:46,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:26:46,811 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-11-18 22:26:46,811 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:26:46,811 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:26:46,839 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:46,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:26:46,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:26:46,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:26:46,840 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand 5 states. [2018-11-18 22:26:47,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:47,675 INFO L93 Difference]: Finished difference Result 120 states and 126 transitions. [2018-11-18 22:26:47,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 22:26:47,675 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-11-18 22:26:47,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:26:47,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:26:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 126 transitions. [2018-11-18 22:26:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:26:47,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 126 transitions. [2018-11-18 22:26:47,680 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 126 transitions. [2018-11-18 22:26:48,115 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:48,117 INFO L225 Difference]: With dead ends: 120 [2018-11-18 22:26:48,117 INFO L226 Difference]: Without dead ends: 118 [2018-11-18 22:26:48,118 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 22:26:48,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-18 22:26:48,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 81. [2018-11-18 22:26:48,214 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:26:48,214 INFO L82 GeneralOperation]: Start isEquivalent. First operand 118 states. Second operand 81 states. [2018-11-18 22:26:48,214 INFO L74 IsIncluded]: Start isIncluded. First operand 118 states. Second operand 81 states. [2018-11-18 22:26:48,214 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 81 states. [2018-11-18 22:26:48,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:48,218 INFO L93 Difference]: Finished difference Result 118 states and 124 transitions. [2018-11-18 22:26:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2018-11-18 22:26:48,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:48,219 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:48,219 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 118 states. [2018-11-18 22:26:48,219 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 118 states. [2018-11-18 22:26:48,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:48,222 INFO L93 Difference]: Finished difference Result 118 states and 124 transitions. [2018-11-18 22:26:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2018-11-18 22:26:48,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:48,223 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:48,223 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:26:48,224 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:26:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-11-18 22:26:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2018-11-18 22:26:48,226 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 27 [2018-11-18 22:26:48,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:26:48,227 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2018-11-18 22:26:48,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:26:48,227 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2018-11-18 22:26:48,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 22:26:48,228 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:26:48,228 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:26:48,228 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:26:48,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:26:48,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1549950965, now seen corresponding path program 1 times [2018-11-18 22:26:48,229 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:26:48,229 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:26:48,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:26:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:48,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:26:48,404 INFO L256 TraceCheckUtils]: 0: Hoare triple {4357#true} call ULTIMATE.init(); {4357#true} is VALID [2018-11-18 22:26:48,404 INFO L273 TraceCheckUtils]: 1: Hoare triple {4357#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {4357#true} is VALID [2018-11-18 22:26:48,405 INFO L273 TraceCheckUtils]: 2: Hoare triple {4357#true} assume true; {4357#true} is VALID [2018-11-18 22:26:48,405 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4357#true} {4357#true} #215#return; {4357#true} is VALID [2018-11-18 22:26:48,405 INFO L256 TraceCheckUtils]: 4: Hoare triple {4357#true} call #t~ret8 := main(); {4357#true} is VALID [2018-11-18 22:26:48,405 INFO L273 TraceCheckUtils]: 5: Hoare triple {4357#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {4357#true} is VALID [2018-11-18 22:26:48,406 INFO L273 TraceCheckUtils]: 6: Hoare triple {4357#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {4357#true} is VALID [2018-11-18 22:26:48,406 INFO L273 TraceCheckUtils]: 7: Hoare triple {4357#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {4357#true} is VALID [2018-11-18 22:26:48,406 INFO L273 TraceCheckUtils]: 8: Hoare triple {4357#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {4357#true} is VALID [2018-11-18 22:26:48,406 INFO L273 TraceCheckUtils]: 9: Hoare triple {4357#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {4357#true} is VALID [2018-11-18 22:26:48,407 INFO L273 TraceCheckUtils]: 10: Hoare triple {4357#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {4357#true} is VALID [2018-11-18 22:26:48,407 INFO L273 TraceCheckUtils]: 11: Hoare triple {4357#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {4357#true} is VALID [2018-11-18 22:26:48,407 INFO L273 TraceCheckUtils]: 12: Hoare triple {4357#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {4357#true} is VALID [2018-11-18 22:26:48,407 INFO L273 TraceCheckUtils]: 13: Hoare triple {4357#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {4357#true} is VALID [2018-11-18 22:26:48,408 INFO L273 TraceCheckUtils]: 14: Hoare triple {4357#true} assume ~bvsge32(~main__scheme~0, 0bv32); {4357#true} is VALID [2018-11-18 22:26:48,408 INFO L273 TraceCheckUtils]: 15: Hoare triple {4357#true} assume !(0bv32 == ~main__scheme~0); {4357#true} is VALID [2018-11-18 22:26:48,408 INFO L273 TraceCheckUtils]: 16: Hoare triple {4357#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4357#true} is VALID [2018-11-18 22:26:48,409 INFO L273 TraceCheckUtils]: 17: Hoare triple {4357#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4357#true} is VALID [2018-11-18 22:26:48,409 INFO L273 TraceCheckUtils]: 18: Hoare triple {4357#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {4357#true} is VALID [2018-11-18 22:26:48,409 INFO L273 TraceCheckUtils]: 19: Hoare triple {4357#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {4357#true} is VALID [2018-11-18 22:26:48,409 INFO L273 TraceCheckUtils]: 20: Hoare triple {4357#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {4357#true} is VALID [2018-11-18 22:26:48,410 INFO L273 TraceCheckUtils]: 21: Hoare triple {4357#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {4357#true} is VALID [2018-11-18 22:26:48,411 INFO L273 TraceCheckUtils]: 22: Hoare triple {4357#true} assume !(~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32)); {4428#(= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:26:48,411 INFO L273 TraceCheckUtils]: 23: Hoare triple {4428#(= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {4428#(= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:26:48,414 INFO L273 TraceCheckUtils]: 24: Hoare triple {4428#(= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {4428#(= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:26:48,414 INFO L273 TraceCheckUtils]: 25: Hoare triple {4428#(= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {4428#(= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:26:48,416 INFO L273 TraceCheckUtils]: 26: Hoare triple {4428#(= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {4358#false} is VALID [2018-11-18 22:26:48,416 INFO L273 TraceCheckUtils]: 27: Hoare triple {4358#false} assume 0bv32 == ~__VERIFIER_assert__cond~6; {4358#false} is VALID [2018-11-18 22:26:48,416 INFO L273 TraceCheckUtils]: 28: Hoare triple {4358#false} assume !false; {4358#false} is VALID [2018-11-18 22:26:48,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:26:48,418 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:26:48,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:26:48,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 22:26:48,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-11-18 22:26:48,420 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:26:48,420 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 22:26:48,464 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:48,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 22:26:48,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 22:26:48,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 22:26:48,465 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand 3 states. [2018-11-18 22:26:48,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:48,820 INFO L93 Difference]: Finished difference Result 128 states and 134 transitions. [2018-11-18 22:26:48,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 22:26:48,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-11-18 22:26:48,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:26:48,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 22:26:48,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2018-11-18 22:26:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 22:26:48,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2018-11-18 22:26:48,825 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 122 transitions. [2018-11-18 22:26:48,985 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:48,986 INFO L225 Difference]: With dead ends: 128 [2018-11-18 22:26:48,987 INFO L226 Difference]: Without dead ends: 88 [2018-11-18 22:26:48,987 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 22:26:48,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-11-18 22:26:49,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2018-11-18 22:26:49,034 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:26:49,034 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand 84 states. [2018-11-18 22:26:49,035 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 84 states. [2018-11-18 22:26:49,035 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 84 states. [2018-11-18 22:26:49,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:49,038 INFO L93 Difference]: Finished difference Result 88 states and 91 transitions. [2018-11-18 22:26:49,038 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 91 transitions. [2018-11-18 22:26:49,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:49,038 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:49,039 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 88 states. [2018-11-18 22:26:49,039 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 88 states. [2018-11-18 22:26:49,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:49,041 INFO L93 Difference]: Finished difference Result 88 states and 91 transitions. [2018-11-18 22:26:49,041 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 91 transitions. [2018-11-18 22:26:49,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:49,042 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:49,042 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:26:49,042 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:26:49,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-11-18 22:26:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2018-11-18 22:26:49,045 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 89 transitions. Word has length 29 [2018-11-18 22:26:49,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:26:49,045 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 89 transitions. [2018-11-18 22:26:49,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 22:26:49,046 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions. [2018-11-18 22:26:49,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 22:26:49,046 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:26:49,046 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:26:49,047 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:26:49,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:26:49,048 INFO L82 PathProgramCache]: Analyzing trace with hash 54388864, now seen corresponding path program 1 times [2018-11-18 22:26:49,048 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:26:49,048 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:26:49,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:26:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:49,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:26:49,438 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 15 [2018-11-18 22:26:50,134 INFO L256 TraceCheckUtils]: 0: Hoare triple {4859#true} call ULTIMATE.init(); {4859#true} is VALID [2018-11-18 22:26:50,134 INFO L273 TraceCheckUtils]: 1: Hoare triple {4859#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {4859#true} is VALID [2018-11-18 22:26:50,134 INFO L273 TraceCheckUtils]: 2: Hoare triple {4859#true} assume true; {4859#true} is VALID [2018-11-18 22:26:50,135 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4859#true} {4859#true} #215#return; {4859#true} is VALID [2018-11-18 22:26:50,135 INFO L256 TraceCheckUtils]: 4: Hoare triple {4859#true} call #t~ret8 := main(); {4859#true} is VALID [2018-11-18 22:26:50,135 INFO L273 TraceCheckUtils]: 5: Hoare triple {4859#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {4859#true} is VALID [2018-11-18 22:26:50,135 INFO L273 TraceCheckUtils]: 6: Hoare triple {4859#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {4882#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:50,136 INFO L273 TraceCheckUtils]: 7: Hoare triple {4882#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {4882#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:50,136 INFO L273 TraceCheckUtils]: 8: Hoare triple {4882#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {4882#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:50,136 INFO L273 TraceCheckUtils]: 9: Hoare triple {4882#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {4882#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:50,137 INFO L273 TraceCheckUtils]: 10: Hoare triple {4882#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {4895#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:26:50,137 INFO L273 TraceCheckUtils]: 11: Hoare triple {4895#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {4895#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:26:50,138 INFO L273 TraceCheckUtils]: 12: Hoare triple {4895#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume ~bvsgt32(~main__urilen~0, 0bv32); {4902#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,138 INFO L273 TraceCheckUtils]: 13: Hoare triple {4902#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {4902#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,139 INFO L273 TraceCheckUtils]: 14: Hoare triple {4902#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsge32(~main__scheme~0, 0bv32); {4909#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,139 INFO L273 TraceCheckUtils]: 15: Hoare triple {4909#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~main__scheme~0); {4909#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,172 INFO L273 TraceCheckUtils]: 16: Hoare triple {4909#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4916#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,175 INFO L273 TraceCheckUtils]: 17: Hoare triple {4916#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4920#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (or (and (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (= (bvadd main_~__VERIFIER_assert__cond~1 (_ bv4294967295 32)) (_ bv0 32))) (and (not (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32)))) (= main_~__VERIFIER_assert__cond~1 (_ bv0 32)))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,176 INFO L273 TraceCheckUtils]: 18: Hoare triple {4920#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (or (and (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (= (bvadd main_~__VERIFIER_assert__cond~1 (_ bv4294967295 32)) (_ bv0 32))) (and (not (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32)))) (= main_~__VERIFIER_assert__cond~1 (_ bv0 32)))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {4924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,186 INFO L273 TraceCheckUtils]: 19: Hoare triple {4924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {4928#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,187 INFO L273 TraceCheckUtils]: 20: Hoare triple {4928#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {4924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,187 INFO L273 TraceCheckUtils]: 21: Hoare triple {4924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {4924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,198 INFO L273 TraceCheckUtils]: 22: Hoare triple {4924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {4938#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,199 INFO L273 TraceCheckUtils]: 23: Hoare triple {4938#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {4938#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,199 INFO L273 TraceCheckUtils]: 24: Hoare triple {4938#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {4938#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,200 INFO L273 TraceCheckUtils]: 25: Hoare triple {4938#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {4938#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,200 INFO L273 TraceCheckUtils]: 26: Hoare triple {4938#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {4938#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:50,224 INFO L273 TraceCheckUtils]: 27: Hoare triple {4938#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4294967295 32))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {4954#(= (bvadd main_~__VERIFIER_assert__cond~6 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:26:50,224 INFO L273 TraceCheckUtils]: 28: Hoare triple {4954#(= (bvadd main_~__VERIFIER_assert__cond~6 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~6; {4860#false} is VALID [2018-11-18 22:26:50,225 INFO L273 TraceCheckUtils]: 29: Hoare triple {4860#false} assume !false; {4860#false} is VALID [2018-11-18 22:26:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:26:50,228 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:26:50,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:26:50,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-18 22:26:50,236 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-11-18 22:26:50,236 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:26:50,236 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2018-11-18 22:26:50,375 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:50,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 22:26:50,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 22:26:50,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-11-18 22:26:50,376 INFO L87 Difference]: Start difference. First operand 84 states and 89 transitions. Second operand 12 states. [2018-11-18 22:26:52,239 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2018-11-18 22:26:53,478 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-11-18 22:26:53,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:53,593 INFO L93 Difference]: Finished difference Result 89 states and 92 transitions. [2018-11-18 22:26:53,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 22:26:53,593 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-11-18 22:26:53,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:26:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-18 22:26:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 84 transitions. [2018-11-18 22:26:53,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-18 22:26:53,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 84 transitions. [2018-11-18 22:26:53,597 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 84 transitions. [2018-11-18 22:26:54,031 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:54,032 INFO L225 Difference]: With dead ends: 89 [2018-11-18 22:26:54,033 INFO L226 Difference]: Without dead ends: 87 [2018-11-18 22:26:54,033 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=122, Invalid=220, Unknown=0, NotChecked=0, Total=342 [2018-11-18 22:26:54,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-18 22:26:54,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2018-11-18 22:26:54,077 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:26:54,077 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand 82 states. [2018-11-18 22:26:54,078 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 82 states. [2018-11-18 22:26:54,078 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 82 states. [2018-11-18 22:26:54,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:54,080 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2018-11-18 22:26:54,080 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2018-11-18 22:26:54,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:54,080 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:54,081 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 87 states. [2018-11-18 22:26:54,081 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 87 states. [2018-11-18 22:26:54,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:26:54,082 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2018-11-18 22:26:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2018-11-18 22:26:54,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:26:54,083 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:26:54,083 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:26:54,083 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:26:54,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-18 22:26:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2018-11-18 22:26:54,084 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 30 [2018-11-18 22:26:54,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:26:54,085 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2018-11-18 22:26:54,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 22:26:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2018-11-18 22:26:54,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 22:26:54,085 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:26:54,086 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:26:54,086 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:26:54,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:26:54,087 INFO L82 PathProgramCache]: Analyzing trace with hash -196719107, now seen corresponding path program 1 times [2018-11-18 22:26:54,087 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:26:54,087 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:26:54,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:26:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:26:54,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:26:55,090 INFO L256 TraceCheckUtils]: 0: Hoare triple {5342#true} call ULTIMATE.init(); {5342#true} is VALID [2018-11-18 22:26:55,090 INFO L273 TraceCheckUtils]: 1: Hoare triple {5342#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {5342#true} is VALID [2018-11-18 22:26:55,091 INFO L273 TraceCheckUtils]: 2: Hoare triple {5342#true} assume true; {5342#true} is VALID [2018-11-18 22:26:55,091 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5342#true} {5342#true} #215#return; {5342#true} is VALID [2018-11-18 22:26:55,091 INFO L256 TraceCheckUtils]: 4: Hoare triple {5342#true} call #t~ret8 := main(); {5342#true} is VALID [2018-11-18 22:26:55,092 INFO L273 TraceCheckUtils]: 5: Hoare triple {5342#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {5342#true} is VALID [2018-11-18 22:26:55,095 INFO L273 TraceCheckUtils]: 6: Hoare triple {5342#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {5365#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:55,096 INFO L273 TraceCheckUtils]: 7: Hoare triple {5365#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {5365#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:55,098 INFO L273 TraceCheckUtils]: 8: Hoare triple {5365#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {5365#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:55,098 INFO L273 TraceCheckUtils]: 9: Hoare triple {5365#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {5365#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:26:55,099 INFO L273 TraceCheckUtils]: 10: Hoare triple {5365#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {5378#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:26:55,099 INFO L273 TraceCheckUtils]: 11: Hoare triple {5378#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {5378#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:26:55,100 INFO L273 TraceCheckUtils]: 12: Hoare triple {5378#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume ~bvsgt32(~main__urilen~0, 0bv32); {5385#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,100 INFO L273 TraceCheckUtils]: 13: Hoare triple {5385#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {5385#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,101 INFO L273 TraceCheckUtils]: 14: Hoare triple {5385#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsge32(~main__scheme~0, 0bv32); {5392#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,101 INFO L273 TraceCheckUtils]: 15: Hoare triple {5392#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~main__scheme~0); {5392#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,105 INFO L273 TraceCheckUtils]: 16: Hoare triple {5392#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {5399#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,105 INFO L273 TraceCheckUtils]: 17: Hoare triple {5399#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {5399#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,106 INFO L273 TraceCheckUtils]: 18: Hoare triple {5399#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {5399#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,112 INFO L273 TraceCheckUtils]: 19: Hoare triple {5399#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {5409#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,119 INFO L273 TraceCheckUtils]: 20: Hoare triple {5409#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {5399#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,120 INFO L273 TraceCheckUtils]: 21: Hoare triple {5399#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {5399#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,128 INFO L273 TraceCheckUtils]: 22: Hoare triple {5399#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {5419#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,129 INFO L273 TraceCheckUtils]: 23: Hoare triple {5419#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {5419#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,130 INFO L273 TraceCheckUtils]: 24: Hoare triple {5419#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {5419#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,166 INFO L273 TraceCheckUtils]: 25: Hoare triple {5419#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {5429#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:26:55,167 INFO L273 TraceCheckUtils]: 26: Hoare triple {5429#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {5429#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:26:55,218 INFO L273 TraceCheckUtils]: 27: Hoare triple {5429#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {5436#(= (bvadd main_~__VERIFIER_assert__cond~16 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:26:55,218 INFO L273 TraceCheckUtils]: 28: Hoare triple {5436#(= (bvadd main_~__VERIFIER_assert__cond~16 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~16; {5343#false} is VALID [2018-11-18 22:26:55,218 INFO L273 TraceCheckUtils]: 29: Hoare triple {5343#false} assume !false; {5343#false} is VALID [2018-11-18 22:26:55,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:26:55,221 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:26:55,712 INFO L273 TraceCheckUtils]: 29: Hoare triple {5343#false} assume !false; {5343#false} is VALID [2018-11-18 22:26:55,712 INFO L273 TraceCheckUtils]: 28: Hoare triple {5446#(not (= main_~__VERIFIER_assert__cond~16 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~16; {5343#false} is VALID [2018-11-18 22:26:55,713 INFO L273 TraceCheckUtils]: 27: Hoare triple {5450#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {5446#(not (= main_~__VERIFIER_assert__cond~16 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,713 INFO L273 TraceCheckUtils]: 26: Hoare triple {5450#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {5450#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:26:55,714 INFO L273 TraceCheckUtils]: 25: Hoare triple {5457#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {5450#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:26:55,714 INFO L273 TraceCheckUtils]: 24: Hoare triple {5457#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {5457#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:26:55,714 INFO L273 TraceCheckUtils]: 23: Hoare triple {5457#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {5457#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:26:55,731 INFO L273 TraceCheckUtils]: 22: Hoare triple {5467#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {5457#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:26:55,732 INFO L273 TraceCheckUtils]: 21: Hoare triple {5467#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {5467#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:26:55,732 INFO L273 TraceCheckUtils]: 20: Hoare triple {5474#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (= main_~__VERIFIER_assert__cond~2 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {5467#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:26:55,756 INFO L273 TraceCheckUtils]: 19: Hoare triple {5342#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {5474#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (= main_~__VERIFIER_assert__cond~2 (_ bv0 32)))} is VALID [2018-11-18 22:26:55,756 INFO L273 TraceCheckUtils]: 18: Hoare triple {5342#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {5342#true} is VALID [2018-11-18 22:26:55,756 INFO L273 TraceCheckUtils]: 17: Hoare triple {5342#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {5342#true} is VALID [2018-11-18 22:26:55,757 INFO L273 TraceCheckUtils]: 16: Hoare triple {5342#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {5342#true} is VALID [2018-11-18 22:26:55,757 INFO L273 TraceCheckUtils]: 15: Hoare triple {5342#true} assume !(0bv32 == ~main__scheme~0); {5342#true} is VALID [2018-11-18 22:26:55,757 INFO L273 TraceCheckUtils]: 14: Hoare triple {5342#true} assume ~bvsge32(~main__scheme~0, 0bv32); {5342#true} is VALID [2018-11-18 22:26:55,757 INFO L273 TraceCheckUtils]: 13: Hoare triple {5342#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {5342#true} is VALID [2018-11-18 22:26:55,757 INFO L273 TraceCheckUtils]: 12: Hoare triple {5342#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {5342#true} is VALID [2018-11-18 22:26:55,757 INFO L273 TraceCheckUtils]: 11: Hoare triple {5342#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {5342#true} is VALID [2018-11-18 22:26:55,758 INFO L273 TraceCheckUtils]: 10: Hoare triple {5342#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {5342#true} is VALID [2018-11-18 22:26:55,758 INFO L273 TraceCheckUtils]: 9: Hoare triple {5342#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {5342#true} is VALID [2018-11-18 22:26:55,758 INFO L273 TraceCheckUtils]: 8: Hoare triple {5342#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {5342#true} is VALID [2018-11-18 22:26:55,758 INFO L273 TraceCheckUtils]: 7: Hoare triple {5342#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {5342#true} is VALID [2018-11-18 22:26:55,758 INFO L273 TraceCheckUtils]: 6: Hoare triple {5342#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {5342#true} is VALID [2018-11-18 22:26:55,758 INFO L273 TraceCheckUtils]: 5: Hoare triple {5342#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {5342#true} is VALID [2018-11-18 22:26:55,758 INFO L256 TraceCheckUtils]: 4: Hoare triple {5342#true} call #t~ret8 := main(); {5342#true} is VALID [2018-11-18 22:26:55,759 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5342#true} {5342#true} #215#return; {5342#true} is VALID [2018-11-18 22:26:55,759 INFO L273 TraceCheckUtils]: 2: Hoare triple {5342#true} assume true; {5342#true} is VALID [2018-11-18 22:26:55,759 INFO L273 TraceCheckUtils]: 1: Hoare triple {5342#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {5342#true} is VALID [2018-11-18 22:26:55,759 INFO L256 TraceCheckUtils]: 0: Hoare triple {5342#true} call ULTIMATE.init(); {5342#true} is VALID [2018-11-18 22:26:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:26:55,762 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:26:55,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-18 22:26:55,763 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-11-18 22:26:55,763 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:26:55,763 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2018-11-18 22:26:55,985 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:26:55,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 22:26:55,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 22:26:55,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-11-18 22:26:55,986 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand 16 states. [2018-11-18 22:26:57,314 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2018-11-18 22:26:57,531 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2018-11-18 22:26:58,956 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2018-11-18 22:27:01,646 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-11-18 22:27:03,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:03,164 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2018-11-18 22:27:03,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 22:27:03,165 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-11-18 22:27:03,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:27:03,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 22:27:03,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 127 transitions. [2018-11-18 22:27:03,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 22:27:03,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 127 transitions. [2018-11-18 22:27:03,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 127 transitions. [2018-11-18 22:27:04,207 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:04,210 INFO L225 Difference]: With dead ends: 123 [2018-11-18 22:27:04,210 INFO L226 Difference]: Without dead ends: 121 [2018-11-18 22:27:04,211 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=188, Invalid=364, Unknown=0, NotChecked=0, Total=552 [2018-11-18 22:27:04,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-18 22:27:04,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 80. [2018-11-18 22:27:04,267 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:27:04,267 INFO L82 GeneralOperation]: Start isEquivalent. First operand 121 states. Second operand 80 states. [2018-11-18 22:27:04,267 INFO L74 IsIncluded]: Start isIncluded. First operand 121 states. Second operand 80 states. [2018-11-18 22:27:04,268 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 80 states. [2018-11-18 22:27:04,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:04,271 INFO L93 Difference]: Finished difference Result 121 states and 125 transitions. [2018-11-18 22:27:04,271 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2018-11-18 22:27:04,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:04,272 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:04,272 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 121 states. [2018-11-18 22:27:04,272 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 121 states. [2018-11-18 22:27:04,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:04,274 INFO L93 Difference]: Finished difference Result 121 states and 125 transitions. [2018-11-18 22:27:04,275 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2018-11-18 22:27:04,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:04,275 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:04,275 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:27:04,275 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:27:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-11-18 22:27:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2018-11-18 22:27:04,277 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 30 [2018-11-18 22:27:04,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:27:04,278 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2018-11-18 22:27:04,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 22:27:04,278 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2018-11-18 22:27:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 22:27:04,278 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:27:04,279 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:27:04,279 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:27:04,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:27:04,280 INFO L82 PathProgramCache]: Analyzing trace with hash -192985298, now seen corresponding path program 1 times [2018-11-18 22:27:04,280 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:27:04,280 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:27:04,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:27:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:04,390 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:27:05,117 INFO L256 TraceCheckUtils]: 0: Hoare triple {6024#true} call ULTIMATE.init(); {6024#true} is VALID [2018-11-18 22:27:05,118 INFO L273 TraceCheckUtils]: 1: Hoare triple {6024#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {6024#true} is VALID [2018-11-18 22:27:05,118 INFO L273 TraceCheckUtils]: 2: Hoare triple {6024#true} assume true; {6024#true} is VALID [2018-11-18 22:27:05,118 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6024#true} {6024#true} #215#return; {6024#true} is VALID [2018-11-18 22:27:05,119 INFO L256 TraceCheckUtils]: 4: Hoare triple {6024#true} call #t~ret8 := main(); {6024#true} is VALID [2018-11-18 22:27:05,119 INFO L273 TraceCheckUtils]: 5: Hoare triple {6024#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {6024#true} is VALID [2018-11-18 22:27:05,120 INFO L273 TraceCheckUtils]: 6: Hoare triple {6024#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {6047#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:05,121 INFO L273 TraceCheckUtils]: 7: Hoare triple {6047#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {6047#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:05,121 INFO L273 TraceCheckUtils]: 8: Hoare triple {6047#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {6047#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:05,122 INFO L273 TraceCheckUtils]: 9: Hoare triple {6047#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {6047#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:05,122 INFO L273 TraceCheckUtils]: 10: Hoare triple {6047#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {6060#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:05,123 INFO L273 TraceCheckUtils]: 11: Hoare triple {6060#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {6060#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:05,123 INFO L273 TraceCheckUtils]: 12: Hoare triple {6060#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume ~bvsgt32(~main__urilen~0, 0bv32); {6067#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,124 INFO L273 TraceCheckUtils]: 13: Hoare triple {6067#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {6067#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,124 INFO L273 TraceCheckUtils]: 14: Hoare triple {6067#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsge32(~main__scheme~0, 0bv32); {6074#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,125 INFO L273 TraceCheckUtils]: 15: Hoare triple {6074#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~main__scheme~0); {6074#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,129 INFO L273 TraceCheckUtils]: 16: Hoare triple {6074#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,130 INFO L273 TraceCheckUtils]: 17: Hoare triple {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,131 INFO L273 TraceCheckUtils]: 18: Hoare triple {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,138 INFO L273 TraceCheckUtils]: 19: Hoare triple {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {6091#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,139 INFO L273 TraceCheckUtils]: 20: Hoare triple {6091#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,139 INFO L273 TraceCheckUtils]: 21: Hoare triple {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,140 INFO L273 TraceCheckUtils]: 22: Hoare triple {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,141 INFO L273 TraceCheckUtils]: 23: Hoare triple {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,141 INFO L273 TraceCheckUtils]: 24: Hoare triple {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,164 INFO L273 TraceCheckUtils]: 25: Hoare triple {6081#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {6110#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:27:05,164 INFO L273 TraceCheckUtils]: 26: Hoare triple {6110#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume !(~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32)); {6114#(and (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:05,171 INFO L273 TraceCheckUtils]: 27: Hoare triple {6114#(and (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {6118#(= (bvadd main_~__VERIFIER_assert__cond~4 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:27:05,171 INFO L273 TraceCheckUtils]: 28: Hoare triple {6118#(= (bvadd main_~__VERIFIER_assert__cond~4 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~4; {6025#false} is VALID [2018-11-18 22:27:05,172 INFO L273 TraceCheckUtils]: 29: Hoare triple {6025#false} assume !false; {6025#false} is VALID [2018-11-18 22:27:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:05,174 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:27:05,675 INFO L273 TraceCheckUtils]: 29: Hoare triple {6025#false} assume !false; {6025#false} is VALID [2018-11-18 22:27:05,675 INFO L273 TraceCheckUtils]: 28: Hoare triple {6128#(not (= main_~__VERIFIER_assert__cond~4 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~4; {6025#false} is VALID [2018-11-18 22:27:05,676 INFO L273 TraceCheckUtils]: 27: Hoare triple {6132#(bvslt main_~main__cp~0 main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {6128#(not (= main_~__VERIFIER_assert__cond~4 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,677 INFO L273 TraceCheckUtils]: 26: Hoare triple {6136#(or (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)))} assume !(~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32)); {6132#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:27:05,694 INFO L273 TraceCheckUtils]: 25: Hoare triple {6140#(or (not (= (bvadd main_~main__cp~0 (_ bv2 32)) main_~main__urilen~0)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {6136#(or (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)))} is VALID [2018-11-18 22:27:05,695 INFO L273 TraceCheckUtils]: 24: Hoare triple {6140#(or (not (= (bvadd main_~main__cp~0 (_ bv2 32)) main_~main__urilen~0)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {6140#(or (not (= (bvadd main_~main__cp~0 (_ bv2 32)) main_~main__urilen~0)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:27:05,695 INFO L273 TraceCheckUtils]: 23: Hoare triple {6140#(or (not (= (bvadd main_~main__cp~0 (_ bv2 32)) main_~main__urilen~0)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {6140#(or (not (= (bvadd main_~main__cp~0 (_ bv2 32)) main_~main__urilen~0)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:27:05,695 INFO L273 TraceCheckUtils]: 22: Hoare triple {6140#(or (not (= (bvadd main_~main__cp~0 (_ bv2 32)) main_~main__urilen~0)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {6140#(or (not (= (bvadd main_~main__cp~0 (_ bv2 32)) main_~main__urilen~0)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:27:05,696 INFO L273 TraceCheckUtils]: 21: Hoare triple {6140#(or (not (= (bvadd main_~main__cp~0 (_ bv2 32)) main_~main__urilen~0)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {6140#(or (not (= (bvadd main_~main__cp~0 (_ bv2 32)) main_~main__urilen~0)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:27:05,696 INFO L273 TraceCheckUtils]: 20: Hoare triple {6156#(or (not (= (bvadd main_~main__cp~0 (_ bv2 32)) main_~main__urilen~0)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (= main_~__VERIFIER_assert__cond~2 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {6140#(or (not (= (bvadd main_~main__cp~0 (_ bv2 32)) main_~main__urilen~0)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:27:05,712 INFO L273 TraceCheckUtils]: 19: Hoare triple {6024#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {6156#(or (not (= (bvadd main_~main__cp~0 (_ bv2 32)) main_~main__urilen~0)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (= main_~__VERIFIER_assert__cond~2 (_ bv0 32)))} is VALID [2018-11-18 22:27:05,712 INFO L273 TraceCheckUtils]: 18: Hoare triple {6024#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {6024#true} is VALID [2018-11-18 22:27:05,712 INFO L273 TraceCheckUtils]: 17: Hoare triple {6024#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {6024#true} is VALID [2018-11-18 22:27:05,712 INFO L273 TraceCheckUtils]: 16: Hoare triple {6024#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {6024#true} is VALID [2018-11-18 22:27:05,712 INFO L273 TraceCheckUtils]: 15: Hoare triple {6024#true} assume !(0bv32 == ~main__scheme~0); {6024#true} is VALID [2018-11-18 22:27:05,712 INFO L273 TraceCheckUtils]: 14: Hoare triple {6024#true} assume ~bvsge32(~main__scheme~0, 0bv32); {6024#true} is VALID [2018-11-18 22:27:05,712 INFO L273 TraceCheckUtils]: 13: Hoare triple {6024#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {6024#true} is VALID [2018-11-18 22:27:05,713 INFO L273 TraceCheckUtils]: 12: Hoare triple {6024#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {6024#true} is VALID [2018-11-18 22:27:05,713 INFO L273 TraceCheckUtils]: 11: Hoare triple {6024#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {6024#true} is VALID [2018-11-18 22:27:05,713 INFO L273 TraceCheckUtils]: 10: Hoare triple {6024#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {6024#true} is VALID [2018-11-18 22:27:05,713 INFO L273 TraceCheckUtils]: 9: Hoare triple {6024#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {6024#true} is VALID [2018-11-18 22:27:05,713 INFO L273 TraceCheckUtils]: 8: Hoare triple {6024#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {6024#true} is VALID [2018-11-18 22:27:05,713 INFO L273 TraceCheckUtils]: 7: Hoare triple {6024#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {6024#true} is VALID [2018-11-18 22:27:05,713 INFO L273 TraceCheckUtils]: 6: Hoare triple {6024#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {6024#true} is VALID [2018-11-18 22:27:05,714 INFO L273 TraceCheckUtils]: 5: Hoare triple {6024#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {6024#true} is VALID [2018-11-18 22:27:05,714 INFO L256 TraceCheckUtils]: 4: Hoare triple {6024#true} call #t~ret8 := main(); {6024#true} is VALID [2018-11-18 22:27:05,714 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6024#true} {6024#true} #215#return; {6024#true} is VALID [2018-11-18 22:27:05,714 INFO L273 TraceCheckUtils]: 2: Hoare triple {6024#true} assume true; {6024#true} is VALID [2018-11-18 22:27:05,714 INFO L273 TraceCheckUtils]: 1: Hoare triple {6024#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {6024#true} is VALID [2018-11-18 22:27:05,714 INFO L256 TraceCheckUtils]: 0: Hoare triple {6024#true} call ULTIMATE.init(); {6024#true} is VALID [2018-11-18 22:27:05,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:05,718 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:27:05,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-18 22:27:05,719 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-11-18 22:27:05,719 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:27:05,719 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2018-11-18 22:27:05,853 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:05,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 22:27:05,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 22:27:05,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-11-18 22:27:05,855 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand 16 states. [2018-11-18 22:27:12,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:12,402 INFO L93 Difference]: Finished difference Result 188 states and 196 transitions. [2018-11-18 22:27:12,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 22:27:12,402 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-11-18 22:27:12,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:27:12,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 22:27:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 196 transitions. [2018-11-18 22:27:12,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 22:27:12,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 196 transitions. [2018-11-18 22:27:12,406 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 196 transitions. [2018-11-18 22:27:13,431 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 196 edges. 196 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:13,435 INFO L225 Difference]: With dead ends: 188 [2018-11-18 22:27:13,435 INFO L226 Difference]: Without dead ends: 186 [2018-11-18 22:27:13,436 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=311, Invalid=681, Unknown=0, NotChecked=0, Total=992 [2018-11-18 22:27:13,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-11-18 22:27:13,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 80. [2018-11-18 22:27:13,827 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:27:13,827 INFO L82 GeneralOperation]: Start isEquivalent. First operand 186 states. Second operand 80 states. [2018-11-18 22:27:13,827 INFO L74 IsIncluded]: Start isIncluded. First operand 186 states. Second operand 80 states. [2018-11-18 22:27:13,827 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 80 states. [2018-11-18 22:27:13,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:13,832 INFO L93 Difference]: Finished difference Result 186 states and 193 transitions. [2018-11-18 22:27:13,832 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 193 transitions. [2018-11-18 22:27:13,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:13,832 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:13,833 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 186 states. [2018-11-18 22:27:13,833 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 186 states. [2018-11-18 22:27:13,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:13,837 INFO L93 Difference]: Finished difference Result 186 states and 193 transitions. [2018-11-18 22:27:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 193 transitions. [2018-11-18 22:27:13,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:13,838 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:13,838 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:27:13,838 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:27:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-11-18 22:27:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2018-11-18 22:27:13,840 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 84 transitions. Word has length 30 [2018-11-18 22:27:13,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:27:13,840 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 84 transitions. [2018-11-18 22:27:13,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 22:27:13,840 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2018-11-18 22:27:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 22:27:13,841 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:27:13,841 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:27:13,842 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:27:13,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:27:13,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1686057932, now seen corresponding path program 1 times [2018-11-18 22:27:13,842 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:27:13,842 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:27:13,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:27:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:13,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:27:14,559 INFO L256 TraceCheckUtils]: 0: Hoare triple {6924#true} call ULTIMATE.init(); {6924#true} is VALID [2018-11-18 22:27:14,559 INFO L273 TraceCheckUtils]: 1: Hoare triple {6924#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {6924#true} is VALID [2018-11-18 22:27:14,559 INFO L273 TraceCheckUtils]: 2: Hoare triple {6924#true} assume true; {6924#true} is VALID [2018-11-18 22:27:14,560 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6924#true} {6924#true} #215#return; {6924#true} is VALID [2018-11-18 22:27:14,560 INFO L256 TraceCheckUtils]: 4: Hoare triple {6924#true} call #t~ret8 := main(); {6924#true} is VALID [2018-11-18 22:27:14,560 INFO L273 TraceCheckUtils]: 5: Hoare triple {6924#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {6924#true} is VALID [2018-11-18 22:27:14,560 INFO L273 TraceCheckUtils]: 6: Hoare triple {6924#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {6924#true} is VALID [2018-11-18 22:27:14,561 INFO L273 TraceCheckUtils]: 7: Hoare triple {6924#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {6924#true} is VALID [2018-11-18 22:27:14,561 INFO L273 TraceCheckUtils]: 8: Hoare triple {6924#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {6924#true} is VALID [2018-11-18 22:27:14,561 INFO L273 TraceCheckUtils]: 9: Hoare triple {6924#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {6924#true} is VALID [2018-11-18 22:27:14,561 INFO L273 TraceCheckUtils]: 10: Hoare triple {6924#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {6959#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:14,562 INFO L273 TraceCheckUtils]: 11: Hoare triple {6959#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {6959#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:14,562 INFO L273 TraceCheckUtils]: 12: Hoare triple {6959#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {6959#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:14,563 INFO L273 TraceCheckUtils]: 13: Hoare triple {6959#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {6959#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:14,567 INFO L273 TraceCheckUtils]: 14: Hoare triple {6959#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsge32(~main__scheme~0, 0bv32); {6972#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,573 INFO L273 TraceCheckUtils]: 15: Hoare triple {6972#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !(0bv32 == ~main__scheme~0); {6972#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,576 INFO L273 TraceCheckUtils]: 16: Hoare triple {6972#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,577 INFO L273 TraceCheckUtils]: 17: Hoare triple {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,578 INFO L273 TraceCheckUtils]: 18: Hoare triple {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,579 INFO L273 TraceCheckUtils]: 19: Hoare triple {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,579 INFO L273 TraceCheckUtils]: 20: Hoare triple {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,580 INFO L273 TraceCheckUtils]: 21: Hoare triple {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,581 INFO L273 TraceCheckUtils]: 22: Hoare triple {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,582 INFO L273 TraceCheckUtils]: 23: Hoare triple {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,582 INFO L273 TraceCheckUtils]: 24: Hoare triple {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,583 INFO L273 TraceCheckUtils]: 25: Hoare triple {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,584 INFO L273 TraceCheckUtils]: 26: Hoare triple {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,585 INFO L273 TraceCheckUtils]: 27: Hoare triple {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:14,586 INFO L273 TraceCheckUtils]: 28: Hoare triple {6979#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {7016#(= (bvadd main_~__VERIFIER_assert__cond~7 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:27:14,587 INFO L273 TraceCheckUtils]: 29: Hoare triple {7016#(= (bvadd main_~__VERIFIER_assert__cond~7 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~7; {6925#false} is VALID [2018-11-18 22:27:14,587 INFO L273 TraceCheckUtils]: 30: Hoare triple {6925#false} assume !false; {6925#false} is VALID [2018-11-18 22:27:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:14,589 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:27:14,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:27:14,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 22:27:14,590 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-11-18 22:27:14,590 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:27:14,591 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-18 22:27:14,627 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:14,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 22:27:14,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 22:27:14,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 22:27:14,628 INFO L87 Difference]: Start difference. First operand 80 states and 84 transitions. Second operand 6 states. [2018-11-18 22:27:15,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:15,322 INFO L93 Difference]: Finished difference Result 115 states and 120 transitions. [2018-11-18 22:27:15,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 22:27:15,323 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-11-18 22:27:15,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:27:15,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-18 22:27:15,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 117 transitions. [2018-11-18 22:27:15,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-18 22:27:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 117 transitions. [2018-11-18 22:27:15,326 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 117 transitions. [2018-11-18 22:27:15,912 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:15,914 INFO L225 Difference]: With dead ends: 115 [2018-11-18 22:27:15,914 INFO L226 Difference]: Without dead ends: 113 [2018-11-18 22:27:15,915 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-18 22:27:15,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-18 22:27:15,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 83. [2018-11-18 22:27:15,967 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:27:15,967 INFO L82 GeneralOperation]: Start isEquivalent. First operand 113 states. Second operand 83 states. [2018-11-18 22:27:15,967 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand 83 states. [2018-11-18 22:27:15,967 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 83 states. [2018-11-18 22:27:15,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:15,969 INFO L93 Difference]: Finished difference Result 113 states and 118 transitions. [2018-11-18 22:27:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2018-11-18 22:27:15,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:15,970 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:15,970 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 113 states. [2018-11-18 22:27:15,970 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 113 states. [2018-11-18 22:27:15,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:15,972 INFO L93 Difference]: Finished difference Result 113 states and 118 transitions. [2018-11-18 22:27:15,973 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2018-11-18 22:27:15,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:15,973 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:15,973 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:27:15,973 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:27:15,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-18 22:27:15,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2018-11-18 22:27:15,975 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 31 [2018-11-18 22:27:15,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:27:15,976 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2018-11-18 22:27:15,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 22:27:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2018-11-18 22:27:15,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 22:27:15,976 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:27:15,977 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:27:15,977 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:27:15,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:27:15,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1806773561, now seen corresponding path program 1 times [2018-11-18 22:27:15,978 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:27:15,978 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:27:16,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:27:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:16,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:27:17,072 INFO L256 TraceCheckUtils]: 0: Hoare triple {7474#true} call ULTIMATE.init(); {7474#true} is VALID [2018-11-18 22:27:17,072 INFO L273 TraceCheckUtils]: 1: Hoare triple {7474#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {7474#true} is VALID [2018-11-18 22:27:17,072 INFO L273 TraceCheckUtils]: 2: Hoare triple {7474#true} assume true; {7474#true} is VALID [2018-11-18 22:27:17,073 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {7474#true} {7474#true} #215#return; {7474#true} is VALID [2018-11-18 22:27:17,073 INFO L256 TraceCheckUtils]: 4: Hoare triple {7474#true} call #t~ret8 := main(); {7474#true} is VALID [2018-11-18 22:27:17,073 INFO L273 TraceCheckUtils]: 5: Hoare triple {7474#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {7474#true} is VALID [2018-11-18 22:27:17,073 INFO L273 TraceCheckUtils]: 6: Hoare triple {7474#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {7497#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:17,074 INFO L273 TraceCheckUtils]: 7: Hoare triple {7497#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {7497#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:17,074 INFO L273 TraceCheckUtils]: 8: Hoare triple {7497#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {7497#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:17,074 INFO L273 TraceCheckUtils]: 9: Hoare triple {7497#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {7497#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:17,075 INFO L273 TraceCheckUtils]: 10: Hoare triple {7497#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {7510#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:17,075 INFO L273 TraceCheckUtils]: 11: Hoare triple {7510#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {7510#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:17,075 INFO L273 TraceCheckUtils]: 12: Hoare triple {7510#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume ~bvsgt32(~main__urilen~0, 0bv32); {7517#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,076 INFO L273 TraceCheckUtils]: 13: Hoare triple {7517#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {7517#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,076 INFO L273 TraceCheckUtils]: 14: Hoare triple {7517#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsge32(~main__scheme~0, 0bv32); {7524#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,077 INFO L273 TraceCheckUtils]: 15: Hoare triple {7524#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~main__scheme~0); {7524#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,080 INFO L273 TraceCheckUtils]: 16: Hoare triple {7524#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {7531#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,081 INFO L273 TraceCheckUtils]: 17: Hoare triple {7531#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {7531#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,082 INFO L273 TraceCheckUtils]: 18: Hoare triple {7531#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {7531#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,089 INFO L273 TraceCheckUtils]: 19: Hoare triple {7531#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {7541#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,090 INFO L273 TraceCheckUtils]: 20: Hoare triple {7541#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {7531#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,090 INFO L273 TraceCheckUtils]: 21: Hoare triple {7531#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {7531#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,100 INFO L273 TraceCheckUtils]: 22: Hoare triple {7531#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {7551#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,101 INFO L273 TraceCheckUtils]: 23: Hoare triple {7551#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {7551#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,102 INFO L273 TraceCheckUtils]: 24: Hoare triple {7551#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {7551#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,165 INFO L273 TraceCheckUtils]: 25: Hoare triple {7551#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {7561#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:27:17,166 INFO L273 TraceCheckUtils]: 26: Hoare triple {7561#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {7561#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:27:17,166 INFO L273 TraceCheckUtils]: 27: Hoare triple {7561#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {7561#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:27:17,203 INFO L273 TraceCheckUtils]: 28: Hoare triple {7561#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {7571#(= (bvadd main_~__VERIFIER_assert__cond~4 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:27:17,203 INFO L273 TraceCheckUtils]: 29: Hoare triple {7571#(= (bvadd main_~__VERIFIER_assert__cond~4 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~4; {7475#false} is VALID [2018-11-18 22:27:17,204 INFO L273 TraceCheckUtils]: 30: Hoare triple {7475#false} assume !false; {7475#false} is VALID [2018-11-18 22:27:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:17,206 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:27:17,694 INFO L273 TraceCheckUtils]: 30: Hoare triple {7475#false} assume !false; {7475#false} is VALID [2018-11-18 22:27:17,695 INFO L273 TraceCheckUtils]: 29: Hoare triple {7581#(not (= main_~__VERIFIER_assert__cond~4 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~4; {7475#false} is VALID [2018-11-18 22:27:17,695 INFO L273 TraceCheckUtils]: 28: Hoare triple {7585#(bvslt main_~main__cp~0 main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {7581#(not (= main_~__VERIFIER_assert__cond~4 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,696 INFO L273 TraceCheckUtils]: 27: Hoare triple {7585#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {7585#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:27:17,696 INFO L273 TraceCheckUtils]: 26: Hoare triple {7585#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {7585#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:27:17,697 INFO L273 TraceCheckUtils]: 25: Hoare triple {7595#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {7585#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:27:17,698 INFO L273 TraceCheckUtils]: 24: Hoare triple {7595#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {7595#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:27:17,698 INFO L273 TraceCheckUtils]: 23: Hoare triple {7595#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {7595#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:27:17,718 INFO L273 TraceCheckUtils]: 22: Hoare triple {7605#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {7595#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:27:17,718 INFO L273 TraceCheckUtils]: 21: Hoare triple {7605#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {7605#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:27:17,719 INFO L273 TraceCheckUtils]: 20: Hoare triple {7612#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (= main_~__VERIFIER_assert__cond~2 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {7605#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:27:17,755 INFO L273 TraceCheckUtils]: 19: Hoare triple {7474#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {7612#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (= main_~__VERIFIER_assert__cond~2 (_ bv0 32)))} is VALID [2018-11-18 22:27:17,755 INFO L273 TraceCheckUtils]: 18: Hoare triple {7474#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {7474#true} is VALID [2018-11-18 22:27:17,755 INFO L273 TraceCheckUtils]: 17: Hoare triple {7474#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {7474#true} is VALID [2018-11-18 22:27:17,755 INFO L273 TraceCheckUtils]: 16: Hoare triple {7474#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {7474#true} is VALID [2018-11-18 22:27:17,755 INFO L273 TraceCheckUtils]: 15: Hoare triple {7474#true} assume !(0bv32 == ~main__scheme~0); {7474#true} is VALID [2018-11-18 22:27:17,755 INFO L273 TraceCheckUtils]: 14: Hoare triple {7474#true} assume ~bvsge32(~main__scheme~0, 0bv32); {7474#true} is VALID [2018-11-18 22:27:17,755 INFO L273 TraceCheckUtils]: 13: Hoare triple {7474#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {7474#true} is VALID [2018-11-18 22:27:17,756 INFO L273 TraceCheckUtils]: 12: Hoare triple {7474#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {7474#true} is VALID [2018-11-18 22:27:17,756 INFO L273 TraceCheckUtils]: 11: Hoare triple {7474#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {7474#true} is VALID [2018-11-18 22:27:17,756 INFO L273 TraceCheckUtils]: 10: Hoare triple {7474#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {7474#true} is VALID [2018-11-18 22:27:17,756 INFO L273 TraceCheckUtils]: 9: Hoare triple {7474#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {7474#true} is VALID [2018-11-18 22:27:17,756 INFO L273 TraceCheckUtils]: 8: Hoare triple {7474#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {7474#true} is VALID [2018-11-18 22:27:17,756 INFO L273 TraceCheckUtils]: 7: Hoare triple {7474#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {7474#true} is VALID [2018-11-18 22:27:17,756 INFO L273 TraceCheckUtils]: 6: Hoare triple {7474#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {7474#true} is VALID [2018-11-18 22:27:17,757 INFO L273 TraceCheckUtils]: 5: Hoare triple {7474#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {7474#true} is VALID [2018-11-18 22:27:17,757 INFO L256 TraceCheckUtils]: 4: Hoare triple {7474#true} call #t~ret8 := main(); {7474#true} is VALID [2018-11-18 22:27:17,757 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {7474#true} {7474#true} #215#return; {7474#true} is VALID [2018-11-18 22:27:17,757 INFO L273 TraceCheckUtils]: 2: Hoare triple {7474#true} assume true; {7474#true} is VALID [2018-11-18 22:27:17,757 INFO L273 TraceCheckUtils]: 1: Hoare triple {7474#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {7474#true} is VALID [2018-11-18 22:27:17,757 INFO L256 TraceCheckUtils]: 0: Hoare triple {7474#true} call ULTIMATE.init(); {7474#true} is VALID [2018-11-18 22:27:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:17,759 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:27:17,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-18 22:27:17,760 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 31 [2018-11-18 22:27:17,760 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:27:17,760 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2018-11-18 22:27:17,989 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:17,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 22:27:17,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 22:27:17,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-11-18 22:27:17,990 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand 16 states. [2018-11-18 22:27:19,387 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-11-18 22:27:19,737 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2018-11-18 22:27:20,160 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2018-11-18 22:27:20,409 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2018-11-18 22:27:30,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:30,100 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2018-11-18 22:27:30,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 22:27:30,100 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 31 [2018-11-18 22:27:30,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:27:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 22:27:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 90 transitions. [2018-11-18 22:27:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 22:27:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 90 transitions. [2018-11-18 22:27:30,104 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 90 transitions. [2018-11-18 22:27:31,118 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:31,120 INFO L225 Difference]: With dead ends: 87 [2018-11-18 22:27:31,120 INFO L226 Difference]: Without dead ends: 85 [2018-11-18 22:27:31,121 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=188, Invalid=364, Unknown=0, NotChecked=0, Total=552 [2018-11-18 22:27:31,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-18 22:27:31,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2018-11-18 22:27:31,187 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:27:31,188 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand 81 states. [2018-11-18 22:27:31,188 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 81 states. [2018-11-18 22:27:31,188 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 81 states. [2018-11-18 22:27:31,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:31,190 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2018-11-18 22:27:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2018-11-18 22:27:31,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:31,191 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:31,191 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 85 states. [2018-11-18 22:27:31,191 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 85 states. [2018-11-18 22:27:31,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:31,193 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2018-11-18 22:27:31,193 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2018-11-18 22:27:31,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:31,193 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:31,194 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:27:31,194 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:27:31,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-11-18 22:27:31,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2018-11-18 22:27:31,195 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 31 [2018-11-18 22:27:31,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:27:31,196 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2018-11-18 22:27:31,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 22:27:31,196 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2018-11-18 22:27:31,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 22:27:31,196 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:27:31,197 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:27:31,197 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:27:31,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:27:31,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1803321781, now seen corresponding path program 1 times [2018-11-18 22:27:31,198 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:27:31,198 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:27:31,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:27:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:31,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:27:31,803 INFO L256 TraceCheckUtils]: 0: Hoare triple {8052#true} call ULTIMATE.init(); {8052#true} is VALID [2018-11-18 22:27:31,803 INFO L273 TraceCheckUtils]: 1: Hoare triple {8052#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {8052#true} is VALID [2018-11-18 22:27:31,803 INFO L273 TraceCheckUtils]: 2: Hoare triple {8052#true} assume true; {8052#true} is VALID [2018-11-18 22:27:31,804 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {8052#true} {8052#true} #215#return; {8052#true} is VALID [2018-11-18 22:27:31,804 INFO L256 TraceCheckUtils]: 4: Hoare triple {8052#true} call #t~ret8 := main(); {8052#true} is VALID [2018-11-18 22:27:31,804 INFO L273 TraceCheckUtils]: 5: Hoare triple {8052#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {8052#true} is VALID [2018-11-18 22:27:31,804 INFO L273 TraceCheckUtils]: 6: Hoare triple {8052#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {8052#true} is VALID [2018-11-18 22:27:31,804 INFO L273 TraceCheckUtils]: 7: Hoare triple {8052#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {8052#true} is VALID [2018-11-18 22:27:31,805 INFO L273 TraceCheckUtils]: 8: Hoare triple {8052#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {8052#true} is VALID [2018-11-18 22:27:31,805 INFO L273 TraceCheckUtils]: 9: Hoare triple {8052#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {8052#true} is VALID [2018-11-18 22:27:31,805 INFO L273 TraceCheckUtils]: 10: Hoare triple {8052#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {8087#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:31,806 INFO L273 TraceCheckUtils]: 11: Hoare triple {8087#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {8087#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:31,806 INFO L273 TraceCheckUtils]: 12: Hoare triple {8087#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {8087#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:31,806 INFO L273 TraceCheckUtils]: 13: Hoare triple {8087#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {8087#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:31,807 INFO L273 TraceCheckUtils]: 14: Hoare triple {8087#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsge32(~main__scheme~0, 0bv32); {8100#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:31,807 INFO L273 TraceCheckUtils]: 15: Hoare triple {8100#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !(0bv32 == ~main__scheme~0); {8100#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:31,810 INFO L273 TraceCheckUtils]: 16: Hoare triple {8100#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:31,811 INFO L273 TraceCheckUtils]: 17: Hoare triple {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:31,812 INFO L273 TraceCheckUtils]: 18: Hoare triple {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:31,812 INFO L273 TraceCheckUtils]: 19: Hoare triple {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:31,813 INFO L273 TraceCheckUtils]: 20: Hoare triple {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:31,813 INFO L273 TraceCheckUtils]: 21: Hoare triple {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:31,814 INFO L273 TraceCheckUtils]: 22: Hoare triple {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:31,814 INFO L273 TraceCheckUtils]: 23: Hoare triple {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:31,815 INFO L273 TraceCheckUtils]: 24: Hoare triple {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:31,821 INFO L273 TraceCheckUtils]: 25: Hoare triple {8107#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {8135#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:31,821 INFO L273 TraceCheckUtils]: 26: Hoare triple {8135#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {8135#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:31,822 INFO L273 TraceCheckUtils]: 27: Hoare triple {8135#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {8135#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:31,823 INFO L273 TraceCheckUtils]: 28: Hoare triple {8135#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {8145#(= (bvadd main_~__VERIFIER_assert__cond~17 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:27:31,823 INFO L273 TraceCheckUtils]: 29: Hoare triple {8145#(= (bvadd main_~__VERIFIER_assert__cond~17 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~17; {8053#false} is VALID [2018-11-18 22:27:31,824 INFO L273 TraceCheckUtils]: 30: Hoare triple {8053#false} assume !false; {8053#false} is VALID [2018-11-18 22:27:31,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:31,825 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:27:31,974 INFO L273 TraceCheckUtils]: 30: Hoare triple {8053#false} assume !false; {8053#false} is VALID [2018-11-18 22:27:31,975 INFO L273 TraceCheckUtils]: 29: Hoare triple {8155#(not (= main_~__VERIFIER_assert__cond~17 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~17; {8053#false} is VALID [2018-11-18 22:27:31,976 INFO L273 TraceCheckUtils]: 28: Hoare triple {8159#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {8155#(not (= main_~__VERIFIER_assert__cond~17 (_ bv0 32)))} is VALID [2018-11-18 22:27:31,976 INFO L273 TraceCheckUtils]: 27: Hoare triple {8159#(bvsle (_ bv0 32) main_~main__cp~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {8159#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:27:31,977 INFO L273 TraceCheckUtils]: 26: Hoare triple {8159#(bvsle (_ bv0 32) main_~main__cp~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {8159#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:27:31,977 INFO L273 TraceCheckUtils]: 25: Hoare triple {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {8159#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:27:31,978 INFO L273 TraceCheckUtils]: 24: Hoare triple {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:31,978 INFO L273 TraceCheckUtils]: 23: Hoare triple {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:31,979 INFO L273 TraceCheckUtils]: 22: Hoare triple {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:31,980 INFO L273 TraceCheckUtils]: 21: Hoare triple {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:31,980 INFO L273 TraceCheckUtils]: 20: Hoare triple {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:31,981 INFO L273 TraceCheckUtils]: 19: Hoare triple {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:31,981 INFO L273 TraceCheckUtils]: 18: Hoare triple {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:31,982 INFO L273 TraceCheckUtils]: 17: Hoare triple {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:31,985 INFO L273 TraceCheckUtils]: 16: Hoare triple {8197#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {8169#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:31,985 INFO L273 TraceCheckUtils]: 15: Hoare triple {8197#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32)))} assume !(0bv32 == ~main__scheme~0); {8197#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:31,986 INFO L273 TraceCheckUtils]: 14: Hoare triple {8204#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} assume ~bvsge32(~main__scheme~0, 0bv32); {8197#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:31,986 INFO L273 TraceCheckUtils]: 13: Hoare triple {8204#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {8204#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} is VALID [2018-11-18 22:27:31,986 INFO L273 TraceCheckUtils]: 12: Hoare triple {8204#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} assume ~bvsgt32(~main__urilen~0, 0bv32); {8204#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} is VALID [2018-11-18 22:27:32,001 INFO L273 TraceCheckUtils]: 11: Hoare triple {8204#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {8204#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} is VALID [2018-11-18 22:27:32,002 INFO L273 TraceCheckUtils]: 10: Hoare triple {8052#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {8204#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} is VALID [2018-11-18 22:27:32,003 INFO L273 TraceCheckUtils]: 9: Hoare triple {8052#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {8052#true} is VALID [2018-11-18 22:27:32,003 INFO L273 TraceCheckUtils]: 8: Hoare triple {8052#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {8052#true} is VALID [2018-11-18 22:27:32,003 INFO L273 TraceCheckUtils]: 7: Hoare triple {8052#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {8052#true} is VALID [2018-11-18 22:27:32,003 INFO L273 TraceCheckUtils]: 6: Hoare triple {8052#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {8052#true} is VALID [2018-11-18 22:27:32,003 INFO L273 TraceCheckUtils]: 5: Hoare triple {8052#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {8052#true} is VALID [2018-11-18 22:27:32,003 INFO L256 TraceCheckUtils]: 4: Hoare triple {8052#true} call #t~ret8 := main(); {8052#true} is VALID [2018-11-18 22:27:32,003 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {8052#true} {8052#true} #215#return; {8052#true} is VALID [2018-11-18 22:27:32,003 INFO L273 TraceCheckUtils]: 2: Hoare triple {8052#true} assume true; {8052#true} is VALID [2018-11-18 22:27:32,004 INFO L273 TraceCheckUtils]: 1: Hoare triple {8052#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {8052#true} is VALID [2018-11-18 22:27:32,004 INFO L256 TraceCheckUtils]: 0: Hoare triple {8052#true} call ULTIMATE.init(); {8052#true} is VALID [2018-11-18 22:27:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:32,008 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:27:32,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-18 22:27:32,008 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 31 [2018-11-18 22:27:32,009 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:27:32,009 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2018-11-18 22:27:32,093 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:32,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 22:27:32,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 22:27:32,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-18 22:27:32,094 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand 12 states. [2018-11-18 22:27:35,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:35,529 INFO L93 Difference]: Finished difference Result 381 states and 404 transitions. [2018-11-18 22:27:35,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 22:27:35,529 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 31 [2018-11-18 22:27:35,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:27:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-18 22:27:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 389 transitions. [2018-11-18 22:27:35,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-18 22:27:35,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 389 transitions. [2018-11-18 22:27:35,535 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 389 transitions. [2018-11-18 22:27:36,583 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 389 edges. 389 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:36,593 INFO L225 Difference]: With dead ends: 381 [2018-11-18 22:27:36,593 INFO L226 Difference]: Without dead ends: 379 [2018-11-18 22:27:36,594 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2018-11-18 22:27:36,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-18 22:27:36,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 93. [2018-11-18 22:27:36,671 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:27:36,671 INFO L82 GeneralOperation]: Start isEquivalent. First operand 379 states. Second operand 93 states. [2018-11-18 22:27:36,671 INFO L74 IsIncluded]: Start isIncluded. First operand 379 states. Second operand 93 states. [2018-11-18 22:27:36,671 INFO L87 Difference]: Start difference. First operand 379 states. Second operand 93 states. [2018-11-18 22:27:36,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:36,682 INFO L93 Difference]: Finished difference Result 379 states and 400 transitions. [2018-11-18 22:27:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 400 transitions. [2018-11-18 22:27:36,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:36,683 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:36,683 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand 379 states. [2018-11-18 22:27:36,683 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 379 states. [2018-11-18 22:27:36,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:36,694 INFO L93 Difference]: Finished difference Result 379 states and 400 transitions. [2018-11-18 22:27:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 400 transitions. [2018-11-18 22:27:36,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:36,695 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:36,695 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:27:36,695 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:27:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-18 22:27:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2018-11-18 22:27:36,697 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 31 [2018-11-18 22:27:36,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:27:36,698 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2018-11-18 22:27:36,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 22:27:36,698 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2018-11-18 22:27:36,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 22:27:36,698 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:27:36,699 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:27:36,699 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:27:36,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:27:36,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1687573812, now seen corresponding path program 1 times [2018-11-18 22:27:36,700 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:27:36,700 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:27:36,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:27:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:36,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:27:37,153 INFO L256 TraceCheckUtils]: 0: Hoare triple {9564#true} call ULTIMATE.init(); {9564#true} is VALID [2018-11-18 22:27:37,153 INFO L273 TraceCheckUtils]: 1: Hoare triple {9564#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {9564#true} is VALID [2018-11-18 22:27:37,153 INFO L273 TraceCheckUtils]: 2: Hoare triple {9564#true} assume true; {9564#true} is VALID [2018-11-18 22:27:37,153 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {9564#true} {9564#true} #215#return; {9564#true} is VALID [2018-11-18 22:27:37,153 INFO L256 TraceCheckUtils]: 4: Hoare triple {9564#true} call #t~ret8 := main(); {9564#true} is VALID [2018-11-18 22:27:37,154 INFO L273 TraceCheckUtils]: 5: Hoare triple {9564#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {9564#true} is VALID [2018-11-18 22:27:37,154 INFO L273 TraceCheckUtils]: 6: Hoare triple {9564#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {9564#true} is VALID [2018-11-18 22:27:37,154 INFO L273 TraceCheckUtils]: 7: Hoare triple {9564#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {9564#true} is VALID [2018-11-18 22:27:37,154 INFO L273 TraceCheckUtils]: 8: Hoare triple {9564#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {9564#true} is VALID [2018-11-18 22:27:37,154 INFO L273 TraceCheckUtils]: 9: Hoare triple {9564#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {9564#true} is VALID [2018-11-18 22:27:37,154 INFO L273 TraceCheckUtils]: 10: Hoare triple {9564#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {9599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:37,155 INFO L273 TraceCheckUtils]: 11: Hoare triple {9599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {9599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:37,155 INFO L273 TraceCheckUtils]: 12: Hoare triple {9599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {9599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:37,155 INFO L273 TraceCheckUtils]: 13: Hoare triple {9599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {9599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:37,156 INFO L273 TraceCheckUtils]: 14: Hoare triple {9599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsge32(~main__scheme~0, 0bv32); {9612#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:37,156 INFO L273 TraceCheckUtils]: 15: Hoare triple {9612#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !(0bv32 == ~main__scheme~0); {9612#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:37,158 INFO L273 TraceCheckUtils]: 16: Hoare triple {9612#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:37,159 INFO L273 TraceCheckUtils]: 17: Hoare triple {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:37,160 INFO L273 TraceCheckUtils]: 18: Hoare triple {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:37,160 INFO L273 TraceCheckUtils]: 19: Hoare triple {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:37,161 INFO L273 TraceCheckUtils]: 20: Hoare triple {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:37,162 INFO L273 TraceCheckUtils]: 21: Hoare triple {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:37,162 INFO L273 TraceCheckUtils]: 22: Hoare triple {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:37,163 INFO L273 TraceCheckUtils]: 23: Hoare triple {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:37,164 INFO L273 TraceCheckUtils]: 24: Hoare triple {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:37,170 INFO L273 TraceCheckUtils]: 25: Hoare triple {9619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {9647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:37,170 INFO L273 TraceCheckUtils]: 26: Hoare triple {9647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32)); {9647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:37,171 INFO L273 TraceCheckUtils]: 27: Hoare triple {9647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {9647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:37,172 INFO L273 TraceCheckUtils]: 28: Hoare triple {9647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {9657#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:27:37,172 INFO L273 TraceCheckUtils]: 29: Hoare triple {9657#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {9565#false} is VALID [2018-11-18 22:27:37,172 INFO L273 TraceCheckUtils]: 30: Hoare triple {9565#false} assume !false; {9565#false} is VALID [2018-11-18 22:27:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:37,174 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:27:37,292 INFO L273 TraceCheckUtils]: 30: Hoare triple {9565#false} assume !false; {9565#false} is VALID [2018-11-18 22:27:37,292 INFO L273 TraceCheckUtils]: 29: Hoare triple {9667#(not (= main_~__VERIFIER_assert__cond~5 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {9565#false} is VALID [2018-11-18 22:27:37,293 INFO L273 TraceCheckUtils]: 28: Hoare triple {9671#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {9667#(not (= main_~__VERIFIER_assert__cond~5 (_ bv0 32)))} is VALID [2018-11-18 22:27:37,294 INFO L273 TraceCheckUtils]: 27: Hoare triple {9671#(bvsle (_ bv0 32) main_~main__cp~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {9671#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:27:37,294 INFO L273 TraceCheckUtils]: 26: Hoare triple {9671#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32)); {9671#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:27:37,295 INFO L273 TraceCheckUtils]: 25: Hoare triple {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {9671#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:27:37,295 INFO L273 TraceCheckUtils]: 24: Hoare triple {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:37,296 INFO L273 TraceCheckUtils]: 23: Hoare triple {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:37,296 INFO L273 TraceCheckUtils]: 22: Hoare triple {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:37,297 INFO L273 TraceCheckUtils]: 21: Hoare triple {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:37,297 INFO L273 TraceCheckUtils]: 20: Hoare triple {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:37,298 INFO L273 TraceCheckUtils]: 19: Hoare triple {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:37,298 INFO L273 TraceCheckUtils]: 18: Hoare triple {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:37,299 INFO L273 TraceCheckUtils]: 17: Hoare triple {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:37,302 INFO L273 TraceCheckUtils]: 16: Hoare triple {9709#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {9681#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:37,303 INFO L273 TraceCheckUtils]: 15: Hoare triple {9709#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32)))} assume !(0bv32 == ~main__scheme~0); {9709#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:37,303 INFO L273 TraceCheckUtils]: 14: Hoare triple {9716#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} assume ~bvsge32(~main__scheme~0, 0bv32); {9709#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:37,303 INFO L273 TraceCheckUtils]: 13: Hoare triple {9716#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {9716#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} is VALID [2018-11-18 22:27:37,304 INFO L273 TraceCheckUtils]: 12: Hoare triple {9716#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} assume ~bvsgt32(~main__urilen~0, 0bv32); {9716#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} is VALID [2018-11-18 22:27:37,304 INFO L273 TraceCheckUtils]: 11: Hoare triple {9716#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {9716#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} is VALID [2018-11-18 22:27:37,305 INFO L273 TraceCheckUtils]: 10: Hoare triple {9564#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {9716#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv1 32))))} is VALID [2018-11-18 22:27:37,305 INFO L273 TraceCheckUtils]: 9: Hoare triple {9564#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {9564#true} is VALID [2018-11-18 22:27:37,306 INFO L273 TraceCheckUtils]: 8: Hoare triple {9564#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {9564#true} is VALID [2018-11-18 22:27:37,306 INFO L273 TraceCheckUtils]: 7: Hoare triple {9564#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {9564#true} is VALID [2018-11-18 22:27:37,306 INFO L273 TraceCheckUtils]: 6: Hoare triple {9564#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {9564#true} is VALID [2018-11-18 22:27:37,306 INFO L273 TraceCheckUtils]: 5: Hoare triple {9564#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {9564#true} is VALID [2018-11-18 22:27:37,306 INFO L256 TraceCheckUtils]: 4: Hoare triple {9564#true} call #t~ret8 := main(); {9564#true} is VALID [2018-11-18 22:27:37,307 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {9564#true} {9564#true} #215#return; {9564#true} is VALID [2018-11-18 22:27:37,307 INFO L273 TraceCheckUtils]: 2: Hoare triple {9564#true} assume true; {9564#true} is VALID [2018-11-18 22:27:37,307 INFO L273 TraceCheckUtils]: 1: Hoare triple {9564#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {9564#true} is VALID [2018-11-18 22:27:37,307 INFO L256 TraceCheckUtils]: 0: Hoare triple {9564#true} call ULTIMATE.init(); {9564#true} is VALID [2018-11-18 22:27:37,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:37,310 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:27:37,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-18 22:27:37,310 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 31 [2018-11-18 22:27:37,310 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:27:37,311 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2018-11-18 22:27:37,384 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:37,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 22:27:37,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 22:27:37,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-18 22:27:37,385 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand 12 states. [2018-11-18 22:27:40,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:40,550 INFO L93 Difference]: Finished difference Result 292 states and 310 transitions. [2018-11-18 22:27:40,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 22:27:40,550 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 31 [2018-11-18 22:27:40,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:27:40,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-18 22:27:40,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 298 transitions. [2018-11-18 22:27:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-18 22:27:40,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 298 transitions. [2018-11-18 22:27:40,556 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 298 transitions. [2018-11-18 22:27:41,427 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 298 edges. 298 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:41,433 INFO L225 Difference]: With dead ends: 292 [2018-11-18 22:27:41,433 INFO L226 Difference]: Without dead ends: 281 [2018-11-18 22:27:41,433 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=195, Invalid=455, Unknown=0, NotChecked=0, Total=650 [2018-11-18 22:27:41,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-11-18 22:27:41,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 96. [2018-11-18 22:27:41,536 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:27:41,536 INFO L82 GeneralOperation]: Start isEquivalent. First operand 281 states. Second operand 96 states. [2018-11-18 22:27:41,539 INFO L74 IsIncluded]: Start isIncluded. First operand 281 states. Second operand 96 states. [2018-11-18 22:27:41,539 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 96 states. [2018-11-18 22:27:41,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:41,546 INFO L93 Difference]: Finished difference Result 281 states and 294 transitions. [2018-11-18 22:27:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 294 transitions. [2018-11-18 22:27:41,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:41,547 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:41,547 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 281 states. [2018-11-18 22:27:41,547 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 281 states. [2018-11-18 22:27:41,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:41,553 INFO L93 Difference]: Finished difference Result 281 states and 294 transitions. [2018-11-18 22:27:41,553 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 294 transitions. [2018-11-18 22:27:41,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:41,553 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:41,554 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:27:41,554 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:27:41,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-18 22:27:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 103 transitions. [2018-11-18 22:27:41,555 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 103 transitions. Word has length 31 [2018-11-18 22:27:41,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:27:41,556 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 103 transitions. [2018-11-18 22:27:41,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 22:27:41,556 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2018-11-18 22:27:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 22:27:41,557 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:27:41,557 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:27:41,557 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:27:41,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:27:41,559 INFO L82 PathProgramCache]: Analyzing trace with hash -287576151, now seen corresponding path program 1 times [2018-11-18 22:27:41,559 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:27:41,560 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:27:41,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:27:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:41,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:27:42,123 INFO L256 TraceCheckUtils]: 0: Hoare triple {10786#true} call ULTIMATE.init(); {10786#true} is VALID [2018-11-18 22:27:42,123 INFO L273 TraceCheckUtils]: 1: Hoare triple {10786#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {10786#true} is VALID [2018-11-18 22:27:42,123 INFO L273 TraceCheckUtils]: 2: Hoare triple {10786#true} assume true; {10786#true} is VALID [2018-11-18 22:27:42,123 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {10786#true} {10786#true} #215#return; {10786#true} is VALID [2018-11-18 22:27:42,124 INFO L256 TraceCheckUtils]: 4: Hoare triple {10786#true} call #t~ret8 := main(); {10786#true} is VALID [2018-11-18 22:27:42,124 INFO L273 TraceCheckUtils]: 5: Hoare triple {10786#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {10786#true} is VALID [2018-11-18 22:27:42,124 INFO L273 TraceCheckUtils]: 6: Hoare triple {10786#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {10809#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:42,125 INFO L273 TraceCheckUtils]: 7: Hoare triple {10809#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {10809#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:42,125 INFO L273 TraceCheckUtils]: 8: Hoare triple {10809#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {10809#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:42,125 INFO L273 TraceCheckUtils]: 9: Hoare triple {10809#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {10809#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:42,126 INFO L273 TraceCheckUtils]: 10: Hoare triple {10809#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {10822#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:42,126 INFO L273 TraceCheckUtils]: 11: Hoare triple {10822#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {10822#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:42,127 INFO L273 TraceCheckUtils]: 12: Hoare triple {10822#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume ~bvsgt32(~main__urilen~0, 0bv32); {10829#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:42,127 INFO L273 TraceCheckUtils]: 13: Hoare triple {10829#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {10829#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:42,128 INFO L273 TraceCheckUtils]: 14: Hoare triple {10829#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsge32(~main__scheme~0, 0bv32); {10836#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:42,129 INFO L273 TraceCheckUtils]: 15: Hoare triple {10836#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~main__scheme~0); {10836#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:42,132 INFO L273 TraceCheckUtils]: 16: Hoare triple {10836#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {10843#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:42,133 INFO L273 TraceCheckUtils]: 17: Hoare triple {10843#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {10843#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:42,133 INFO L273 TraceCheckUtils]: 18: Hoare triple {10843#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {10843#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:42,135 INFO L273 TraceCheckUtils]: 19: Hoare triple {10843#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {10853#(and (or (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (= main_~__VERIFIER_assert__cond~2 (_ bv0 32))) (and (bvslt main_~main__cp~0 main_~main__urilen~0) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32)))) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:42,136 INFO L273 TraceCheckUtils]: 20: Hoare triple {10853#(and (or (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (= main_~__VERIFIER_assert__cond~2 (_ bv0 32))) (and (bvslt main_~main__cp~0 main_~main__urilen~0) (= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32)))) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:42,137 INFO L273 TraceCheckUtils]: 21: Hoare triple {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:42,138 INFO L273 TraceCheckUtils]: 22: Hoare triple {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:42,139 INFO L273 TraceCheckUtils]: 23: Hoare triple {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:42,139 INFO L273 TraceCheckUtils]: 24: Hoare triple {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:42,140 INFO L273 TraceCheckUtils]: 25: Hoare triple {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:42,141 INFO L273 TraceCheckUtils]: 26: Hoare triple {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:42,144 INFO L273 TraceCheckUtils]: 27: Hoare triple {10857#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {10879#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (or (and (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (= (bvadd main_~__VERIFIER_assert__cond~6 (_ bv4294967295 32)) (_ bv0 32))) (and (= main_~__VERIFIER_assert__cond~6 (_ bv0 32)) (not (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:27:42,146 INFO L273 TraceCheckUtils]: 28: Hoare triple {10879#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (or (and (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (= (bvadd main_~__VERIFIER_assert__cond~6 (_ bv4294967295 32)) (_ bv0 32))) (and (= main_~__VERIFIER_assert__cond~6 (_ bv0 32)) (not (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {10883#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:27:42,147 INFO L273 TraceCheckUtils]: 29: Hoare triple {10883#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {10883#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:27:42,163 INFO L273 TraceCheckUtils]: 30: Hoare triple {10883#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge main_~main__cp~0 (_ bv0 32)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {10890#(and (bvslt (bvadd main_~main__cp~0 (_ bv4294967295 32)) main_~main__urilen~0) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:42,164 INFO L273 TraceCheckUtils]: 31: Hoare triple {10890#(and (bvslt (bvadd main_~main__cp~0 (_ bv4294967295 32)) main_~main__urilen~0) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {10894#(= (bvadd main_~__VERIFIER_assert__cond~8 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:27:42,164 INFO L273 TraceCheckUtils]: 32: Hoare triple {10894#(= (bvadd main_~__VERIFIER_assert__cond~8 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~8; {10787#false} is VALID [2018-11-18 22:27:42,165 INFO L273 TraceCheckUtils]: 33: Hoare triple {10787#false} assume !false; {10787#false} is VALID [2018-11-18 22:27:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:42,167 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:27:42,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:27:42,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-18 22:27:42,170 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 34 [2018-11-18 22:27:42,170 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:27:42,170 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2018-11-18 22:27:42,227 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:42,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 22:27:42,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 22:27:42,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 22:27:42,228 INFO L87 Difference]: Start difference. First operand 96 states and 103 transitions. Second operand 13 states. [2018-11-18 22:27:43,479 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 20 [2018-11-18 22:27:44,245 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 23 [2018-11-18 22:27:44,505 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2018-11-18 22:27:45,576 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 23 [2018-11-18 22:27:46,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:46,935 INFO L93 Difference]: Finished difference Result 121 states and 128 transitions. [2018-11-18 22:27:46,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 22:27:46,935 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 34 [2018-11-18 22:27:46,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:27:46,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-18 22:27:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 110 transitions. [2018-11-18 22:27:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-18 22:27:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 110 transitions. [2018-11-18 22:27:46,940 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 110 transitions. [2018-11-18 22:27:47,337 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:47,339 INFO L225 Difference]: With dead ends: 121 [2018-11-18 22:27:47,339 INFO L226 Difference]: Without dead ends: 119 [2018-11-18 22:27:47,340 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=186, Invalid=320, Unknown=0, NotChecked=0, Total=506 [2018-11-18 22:27:47,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-18 22:27:47,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 94. [2018-11-18 22:27:47,482 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:27:47,482 INFO L82 GeneralOperation]: Start isEquivalent. First operand 119 states. Second operand 94 states. [2018-11-18 22:27:47,483 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand 94 states. [2018-11-18 22:27:47,483 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 94 states. [2018-11-18 22:27:47,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:47,485 INFO L93 Difference]: Finished difference Result 119 states and 126 transitions. [2018-11-18 22:27:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2018-11-18 22:27:47,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:47,486 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:47,486 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand 119 states. [2018-11-18 22:27:47,486 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 119 states. [2018-11-18 22:27:47,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:47,488 INFO L93 Difference]: Finished difference Result 119 states and 126 transitions. [2018-11-18 22:27:47,488 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2018-11-18 22:27:47,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:47,489 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:47,489 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:27:47,489 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:27:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-18 22:27:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 101 transitions. [2018-11-18 22:27:47,491 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 101 transitions. Word has length 34 [2018-11-18 22:27:47,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:27:47,492 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 101 transitions. [2018-11-18 22:27:47,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 22:27:47,492 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2018-11-18 22:27:47,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 22:27:47,493 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:27:47,493 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:27:47,493 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:27:47,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:27:47,494 INFO L82 PathProgramCache]: Analyzing trace with hash -324922921, now seen corresponding path program 1 times [2018-11-18 22:27:47,494 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:27:47,494 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:27:47,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:27:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:47,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:27:47,875 INFO L256 TraceCheckUtils]: 0: Hoare triple {11405#true} call ULTIMATE.init(); {11405#true} is VALID [2018-11-18 22:27:47,875 INFO L273 TraceCheckUtils]: 1: Hoare triple {11405#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {11405#true} is VALID [2018-11-18 22:27:47,875 INFO L273 TraceCheckUtils]: 2: Hoare triple {11405#true} assume true; {11405#true} is VALID [2018-11-18 22:27:47,875 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {11405#true} {11405#true} #215#return; {11405#true} is VALID [2018-11-18 22:27:47,875 INFO L256 TraceCheckUtils]: 4: Hoare triple {11405#true} call #t~ret8 := main(); {11405#true} is VALID [2018-11-18 22:27:47,875 INFO L273 TraceCheckUtils]: 5: Hoare triple {11405#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {11405#true} is VALID [2018-11-18 22:27:47,876 INFO L273 TraceCheckUtils]: 6: Hoare triple {11405#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {11405#true} is VALID [2018-11-18 22:27:47,876 INFO L273 TraceCheckUtils]: 7: Hoare triple {11405#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {11405#true} is VALID [2018-11-18 22:27:47,876 INFO L273 TraceCheckUtils]: 8: Hoare triple {11405#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {11405#true} is VALID [2018-11-18 22:27:47,876 INFO L273 TraceCheckUtils]: 9: Hoare triple {11405#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {11405#true} is VALID [2018-11-18 22:27:47,877 INFO L273 TraceCheckUtils]: 10: Hoare triple {11405#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {11440#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:47,877 INFO L273 TraceCheckUtils]: 11: Hoare triple {11440#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {11440#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:47,878 INFO L273 TraceCheckUtils]: 12: Hoare triple {11440#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {11440#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:47,878 INFO L273 TraceCheckUtils]: 13: Hoare triple {11440#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {11440#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:47,878 INFO L273 TraceCheckUtils]: 14: Hoare triple {11440#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsge32(~main__scheme~0, 0bv32); {11453#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,879 INFO L273 TraceCheckUtils]: 15: Hoare triple {11453#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !(0bv32 == ~main__scheme~0); {11453#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,881 INFO L273 TraceCheckUtils]: 16: Hoare triple {11453#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,882 INFO L273 TraceCheckUtils]: 17: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,883 INFO L273 TraceCheckUtils]: 18: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,883 INFO L273 TraceCheckUtils]: 19: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,884 INFO L273 TraceCheckUtils]: 20: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,884 INFO L273 TraceCheckUtils]: 21: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,884 INFO L273 TraceCheckUtils]: 22: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,885 INFO L273 TraceCheckUtils]: 23: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,885 INFO L273 TraceCheckUtils]: 24: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,886 INFO L273 TraceCheckUtils]: 25: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,887 INFO L273 TraceCheckUtils]: 26: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,887 INFO L273 TraceCheckUtils]: 27: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,888 INFO L273 TraceCheckUtils]: 28: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,889 INFO L273 TraceCheckUtils]: 29: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:47,896 INFO L273 TraceCheckUtils]: 30: Hoare triple {11460#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {11503#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:47,897 INFO L273 TraceCheckUtils]: 31: Hoare triple {11503#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {11503#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:47,898 INFO L273 TraceCheckUtils]: 32: Hoare triple {11503#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {11510#(= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:27:47,898 INFO L273 TraceCheckUtils]: 33: Hoare triple {11510#(= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~9; {11406#false} is VALID [2018-11-18 22:27:47,899 INFO L273 TraceCheckUtils]: 34: Hoare triple {11406#false} assume !false; {11406#false} is VALID [2018-11-18 22:27:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:47,901 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:27:47,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:27:47,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 22:27:47,904 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2018-11-18 22:27:47,904 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:27:47,904 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-18 22:27:47,953 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:47,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 22:27:47,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 22:27:47,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 22:27:47,954 INFO L87 Difference]: Start difference. First operand 94 states and 101 transitions. Second operand 7 states. [2018-11-18 22:27:49,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:49,424 INFO L93 Difference]: Finished difference Result 153 states and 162 transitions. [2018-11-18 22:27:49,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 22:27:49,424 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2018-11-18 22:27:49,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:27:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-18 22:27:49,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 146 transitions. [2018-11-18 22:27:49,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-18 22:27:49,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 146 transitions. [2018-11-18 22:27:49,427 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 146 transitions. [2018-11-18 22:27:50,251 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:50,254 INFO L225 Difference]: With dead ends: 153 [2018-11-18 22:27:50,254 INFO L226 Difference]: Without dead ends: 151 [2018-11-18 22:27:50,255 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-18 22:27:50,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-18 22:27:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 98. [2018-11-18 22:27:50,338 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:27:50,338 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand 98 states. [2018-11-18 22:27:50,339 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand 98 states. [2018-11-18 22:27:50,339 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 98 states. [2018-11-18 22:27:50,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:50,341 INFO L93 Difference]: Finished difference Result 151 states and 160 transitions. [2018-11-18 22:27:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2018-11-18 22:27:50,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:50,342 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:50,342 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 151 states. [2018-11-18 22:27:50,342 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 151 states. [2018-11-18 22:27:50,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:50,345 INFO L93 Difference]: Finished difference Result 151 states and 160 transitions. [2018-11-18 22:27:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2018-11-18 22:27:50,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:50,345 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:50,346 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:27:50,346 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:27:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-18 22:27:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2018-11-18 22:27:50,347 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 105 transitions. Word has length 35 [2018-11-18 22:27:50,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:27:50,348 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 105 transitions. [2018-11-18 22:27:50,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 22:27:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 105 transitions. [2018-11-18 22:27:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 22:27:50,348 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:27:50,348 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:27:50,349 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:27:50,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:27:50,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1565027795, now seen corresponding path program 1 times [2018-11-18 22:27:50,349 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:27:50,350 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:27:50,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:27:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:50,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:27:50,809 INFO L256 TraceCheckUtils]: 0: Hoare triple {12110#true} call ULTIMATE.init(); {12110#true} is VALID [2018-11-18 22:27:50,809 INFO L273 TraceCheckUtils]: 1: Hoare triple {12110#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {12110#true} is VALID [2018-11-18 22:27:50,809 INFO L273 TraceCheckUtils]: 2: Hoare triple {12110#true} assume true; {12110#true} is VALID [2018-11-18 22:27:50,809 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {12110#true} {12110#true} #215#return; {12110#true} is VALID [2018-11-18 22:27:50,809 INFO L256 TraceCheckUtils]: 4: Hoare triple {12110#true} call #t~ret8 := main(); {12110#true} is VALID [2018-11-18 22:27:50,810 INFO L273 TraceCheckUtils]: 5: Hoare triple {12110#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {12110#true} is VALID [2018-11-18 22:27:50,810 INFO L273 TraceCheckUtils]: 6: Hoare triple {12110#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {12110#true} is VALID [2018-11-18 22:27:50,810 INFO L273 TraceCheckUtils]: 7: Hoare triple {12110#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {12110#true} is VALID [2018-11-18 22:27:50,810 INFO L273 TraceCheckUtils]: 8: Hoare triple {12110#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {12110#true} is VALID [2018-11-18 22:27:50,810 INFO L273 TraceCheckUtils]: 9: Hoare triple {12110#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {12110#true} is VALID [2018-11-18 22:27:50,829 INFO L273 TraceCheckUtils]: 10: Hoare triple {12110#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {12145#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:50,835 INFO L273 TraceCheckUtils]: 11: Hoare triple {12145#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {12145#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:50,835 INFO L273 TraceCheckUtils]: 12: Hoare triple {12145#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {12145#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:50,835 INFO L273 TraceCheckUtils]: 13: Hoare triple {12145#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {12145#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:50,836 INFO L273 TraceCheckUtils]: 14: Hoare triple {12145#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsge32(~main__scheme~0, 0bv32); {12158#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:50,836 INFO L273 TraceCheckUtils]: 15: Hoare triple {12158#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !(0bv32 == ~main__scheme~0); {12158#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:50,838 INFO L273 TraceCheckUtils]: 16: Hoare triple {12158#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:50,839 INFO L273 TraceCheckUtils]: 17: Hoare triple {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:50,839 INFO L273 TraceCheckUtils]: 18: Hoare triple {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:50,840 INFO L273 TraceCheckUtils]: 19: Hoare triple {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:50,840 INFO L273 TraceCheckUtils]: 20: Hoare triple {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:50,841 INFO L273 TraceCheckUtils]: 21: Hoare triple {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:50,841 INFO L273 TraceCheckUtils]: 22: Hoare triple {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:50,842 INFO L273 TraceCheckUtils]: 23: Hoare triple {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:50,843 INFO L273 TraceCheckUtils]: 24: Hoare triple {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:50,848 INFO L273 TraceCheckUtils]: 25: Hoare triple {12165#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:50,849 INFO L273 TraceCheckUtils]: 26: Hoare triple {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:50,849 INFO L273 TraceCheckUtils]: 27: Hoare triple {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:50,850 INFO L273 TraceCheckUtils]: 28: Hoare triple {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:50,850 INFO L273 TraceCheckUtils]: 29: Hoare triple {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:50,851 INFO L273 TraceCheckUtils]: 30: Hoare triple {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:50,851 INFO L273 TraceCheckUtils]: 31: Hoare triple {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:50,853 INFO L273 TraceCheckUtils]: 32: Hoare triple {12193#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {12215#(= (bvadd main_~__VERIFIER_assert__cond~7 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:27:50,854 INFO L273 TraceCheckUtils]: 33: Hoare triple {12215#(= (bvadd main_~__VERIFIER_assert__cond~7 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~7; {12111#false} is VALID [2018-11-18 22:27:50,854 INFO L273 TraceCheckUtils]: 34: Hoare triple {12111#false} assume !false; {12111#false} is VALID [2018-11-18 22:27:50,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:50,857 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:27:50,974 INFO L273 TraceCheckUtils]: 34: Hoare triple {12111#false} assume !false; {12111#false} is VALID [2018-11-18 22:27:50,975 INFO L273 TraceCheckUtils]: 33: Hoare triple {12225#(not (= main_~__VERIFIER_assert__cond~7 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~7; {12111#false} is VALID [2018-11-18 22:27:50,975 INFO L273 TraceCheckUtils]: 32: Hoare triple {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {12225#(not (= main_~__VERIFIER_assert__cond~7 (_ bv0 32)))} is VALID [2018-11-18 22:27:50,975 INFO L273 TraceCheckUtils]: 31: Hoare triple {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:50,976 INFO L273 TraceCheckUtils]: 30: Hoare triple {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:50,978 INFO L273 TraceCheckUtils]: 29: Hoare triple {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:50,978 INFO L273 TraceCheckUtils]: 28: Hoare triple {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:50,979 INFO L273 TraceCheckUtils]: 27: Hoare triple {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:50,979 INFO L273 TraceCheckUtils]: 26: Hoare triple {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:50,981 INFO L273 TraceCheckUtils]: 25: Hoare triple {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {12229#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:50,981 INFO L273 TraceCheckUtils]: 24: Hoare triple {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:50,981 INFO L273 TraceCheckUtils]: 23: Hoare triple {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:50,982 INFO L273 TraceCheckUtils]: 22: Hoare triple {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:50,982 INFO L273 TraceCheckUtils]: 21: Hoare triple {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:50,982 INFO L273 TraceCheckUtils]: 20: Hoare triple {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:50,983 INFO L273 TraceCheckUtils]: 19: Hoare triple {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:50,983 INFO L273 TraceCheckUtils]: 18: Hoare triple {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:50,983 INFO L273 TraceCheckUtils]: 17: Hoare triple {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:50,986 INFO L273 TraceCheckUtils]: 16: Hoare triple {12279#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {12251#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:50,987 INFO L273 TraceCheckUtils]: 15: Hoare triple {12279#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32)))} assume !(0bv32 == ~main__scheme~0); {12279#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:50,987 INFO L273 TraceCheckUtils]: 14: Hoare triple {12286#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} assume ~bvsge32(~main__scheme~0, 0bv32); {12279#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:50,987 INFO L273 TraceCheckUtils]: 13: Hoare triple {12286#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {12286#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} is VALID [2018-11-18 22:27:50,988 INFO L273 TraceCheckUtils]: 12: Hoare triple {12286#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} assume ~bvsgt32(~main__urilen~0, 0bv32); {12286#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} is VALID [2018-11-18 22:27:50,988 INFO L273 TraceCheckUtils]: 11: Hoare triple {12286#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {12286#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} is VALID [2018-11-18 22:27:50,989 INFO L273 TraceCheckUtils]: 10: Hoare triple {12110#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {12286#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} is VALID [2018-11-18 22:27:50,989 INFO L273 TraceCheckUtils]: 9: Hoare triple {12110#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {12110#true} is VALID [2018-11-18 22:27:50,989 INFO L273 TraceCheckUtils]: 8: Hoare triple {12110#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {12110#true} is VALID [2018-11-18 22:27:50,989 INFO L273 TraceCheckUtils]: 7: Hoare triple {12110#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {12110#true} is VALID [2018-11-18 22:27:50,990 INFO L273 TraceCheckUtils]: 6: Hoare triple {12110#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {12110#true} is VALID [2018-11-18 22:27:50,990 INFO L273 TraceCheckUtils]: 5: Hoare triple {12110#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {12110#true} is VALID [2018-11-18 22:27:50,990 INFO L256 TraceCheckUtils]: 4: Hoare triple {12110#true} call #t~ret8 := main(); {12110#true} is VALID [2018-11-18 22:27:50,990 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {12110#true} {12110#true} #215#return; {12110#true} is VALID [2018-11-18 22:27:50,991 INFO L273 TraceCheckUtils]: 2: Hoare triple {12110#true} assume true; {12110#true} is VALID [2018-11-18 22:27:50,991 INFO L273 TraceCheckUtils]: 1: Hoare triple {12110#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {12110#true} is VALID [2018-11-18 22:27:50,991 INFO L256 TraceCheckUtils]: 0: Hoare triple {12110#true} call ULTIMATE.init(); {12110#true} is VALID [2018-11-18 22:27:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:50,994 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:27:50,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-18 22:27:50,995 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2018-11-18 22:27:50,995 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:27:50,996 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2018-11-18 22:27:51,081 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:51,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 22:27:51,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 22:27:51,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-18 22:27:51,082 INFO L87 Difference]: Start difference. First operand 98 states and 105 transitions. Second operand 12 states. [2018-11-18 22:27:53,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:53,813 INFO L93 Difference]: Finished difference Result 265 states and 280 transitions. [2018-11-18 22:27:53,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 22:27:53,813 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2018-11-18 22:27:53,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:27:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-18 22:27:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 277 transitions. [2018-11-18 22:27:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-18 22:27:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 277 transitions. [2018-11-18 22:27:53,817 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 277 transitions. [2018-11-18 22:27:54,280 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 277 edges. 277 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:54,285 INFO L225 Difference]: With dead ends: 265 [2018-11-18 22:27:54,286 INFO L226 Difference]: Without dead ends: 263 [2018-11-18 22:27:54,286 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=195, Invalid=455, Unknown=0, NotChecked=0, Total=650 [2018-11-18 22:27:54,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-11-18 22:27:54,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 101. [2018-11-18 22:27:54,445 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:27:54,445 INFO L82 GeneralOperation]: Start isEquivalent. First operand 263 states. Second operand 101 states. [2018-11-18 22:27:54,446 INFO L74 IsIncluded]: Start isIncluded. First operand 263 states. Second operand 101 states. [2018-11-18 22:27:54,446 INFO L87 Difference]: Start difference. First operand 263 states. Second operand 101 states. [2018-11-18 22:27:54,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:54,451 INFO L93 Difference]: Finished difference Result 263 states and 276 transitions. [2018-11-18 22:27:54,451 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 276 transitions. [2018-11-18 22:27:54,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:54,452 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:54,452 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 263 states. [2018-11-18 22:27:54,452 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 263 states. [2018-11-18 22:27:54,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:54,456 INFO L93 Difference]: Finished difference Result 263 states and 276 transitions. [2018-11-18 22:27:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 276 transitions. [2018-11-18 22:27:54,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:54,457 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:54,457 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:27:54,457 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:27:54,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-18 22:27:54,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2018-11-18 22:27:54,458 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 35 [2018-11-18 22:27:54,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:27:54,458 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2018-11-18 22:27:54,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 22:27:54,458 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2018-11-18 22:27:54,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 22:27:54,459 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:27:54,459 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:27:54,459 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:27:54,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:27:54,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1080633106, now seen corresponding path program 1 times [2018-11-18 22:27:54,460 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:27:54,460 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 21 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:27:54,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:27:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:54,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:27:54,617 INFO L256 TraceCheckUtils]: 0: Hoare triple {13295#true} call ULTIMATE.init(); {13295#true} is VALID [2018-11-18 22:27:54,617 INFO L273 TraceCheckUtils]: 1: Hoare triple {13295#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {13295#true} is VALID [2018-11-18 22:27:54,617 INFO L273 TraceCheckUtils]: 2: Hoare triple {13295#true} assume true; {13295#true} is VALID [2018-11-18 22:27:54,617 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {13295#true} {13295#true} #215#return; {13295#true} is VALID [2018-11-18 22:27:54,617 INFO L256 TraceCheckUtils]: 4: Hoare triple {13295#true} call #t~ret8 := main(); {13295#true} is VALID [2018-11-18 22:27:54,618 INFO L273 TraceCheckUtils]: 5: Hoare triple {13295#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {13295#true} is VALID [2018-11-18 22:27:54,618 INFO L273 TraceCheckUtils]: 6: Hoare triple {13295#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {13295#true} is VALID [2018-11-18 22:27:54,618 INFO L273 TraceCheckUtils]: 7: Hoare triple {13295#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {13295#true} is VALID [2018-11-18 22:27:54,618 INFO L273 TraceCheckUtils]: 8: Hoare triple {13295#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {13295#true} is VALID [2018-11-18 22:27:54,618 INFO L273 TraceCheckUtils]: 9: Hoare triple {13295#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {13295#true} is VALID [2018-11-18 22:27:54,618 INFO L273 TraceCheckUtils]: 10: Hoare triple {13295#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {13295#true} is VALID [2018-11-18 22:27:54,618 INFO L273 TraceCheckUtils]: 11: Hoare triple {13295#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {13295#true} is VALID [2018-11-18 22:27:54,618 INFO L273 TraceCheckUtils]: 12: Hoare triple {13295#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {13295#true} is VALID [2018-11-18 22:27:54,619 INFO L273 TraceCheckUtils]: 13: Hoare triple {13295#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {13295#true} is VALID [2018-11-18 22:27:54,619 INFO L273 TraceCheckUtils]: 14: Hoare triple {13295#true} assume ~bvsge32(~main__scheme~0, 0bv32); {13295#true} is VALID [2018-11-18 22:27:54,619 INFO L273 TraceCheckUtils]: 15: Hoare triple {13295#true} assume !(0bv32 == ~main__scheme~0); {13295#true} is VALID [2018-11-18 22:27:54,619 INFO L273 TraceCheckUtils]: 16: Hoare triple {13295#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {13295#true} is VALID [2018-11-18 22:27:54,619 INFO L273 TraceCheckUtils]: 17: Hoare triple {13295#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {13295#true} is VALID [2018-11-18 22:27:54,619 INFO L273 TraceCheckUtils]: 18: Hoare triple {13295#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {13295#true} is VALID [2018-11-18 22:27:54,619 INFO L273 TraceCheckUtils]: 19: Hoare triple {13295#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {13295#true} is VALID [2018-11-18 22:27:54,619 INFO L273 TraceCheckUtils]: 20: Hoare triple {13295#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {13295#true} is VALID [2018-11-18 22:27:54,620 INFO L273 TraceCheckUtils]: 21: Hoare triple {13295#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {13295#true} is VALID [2018-11-18 22:27:54,620 INFO L273 TraceCheckUtils]: 22: Hoare triple {13295#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {13295#true} is VALID [2018-11-18 22:27:54,620 INFO L273 TraceCheckUtils]: 23: Hoare triple {13295#true} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {13295#true} is VALID [2018-11-18 22:27:54,620 INFO L273 TraceCheckUtils]: 24: Hoare triple {13295#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {13295#true} is VALID [2018-11-18 22:27:54,620 INFO L273 TraceCheckUtils]: 25: Hoare triple {13295#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {13295#true} is VALID [2018-11-18 22:27:54,620 INFO L273 TraceCheckUtils]: 26: Hoare triple {13295#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {13295#true} is VALID [2018-11-18 22:27:54,620 INFO L273 TraceCheckUtils]: 27: Hoare triple {13295#true} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {13295#true} is VALID [2018-11-18 22:27:54,620 INFO L273 TraceCheckUtils]: 28: Hoare triple {13295#true} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {13295#true} is VALID [2018-11-18 22:27:54,621 INFO L273 TraceCheckUtils]: 29: Hoare triple {13295#true} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {13295#true} is VALID [2018-11-18 22:27:54,621 INFO L273 TraceCheckUtils]: 30: Hoare triple {13295#true} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {13295#true} is VALID [2018-11-18 22:27:54,622 INFO L273 TraceCheckUtils]: 31: Hoare triple {13295#true} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {13393#(or (and (= (bvadd main_~__VERIFIER_assert__cond~8 (_ bv4294967295 32)) (_ bv0 32)) (bvslt main_~main__cp~0 main_~main__urilen~0)) (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (= main_~__VERIFIER_assert__cond~8 (_ bv0 32))))} is VALID [2018-11-18 22:27:54,623 INFO L273 TraceCheckUtils]: 32: Hoare triple {13393#(or (and (= (bvadd main_~__VERIFIER_assert__cond~8 (_ bv4294967295 32)) (_ bv0 32)) (bvslt main_~main__cp~0 main_~main__urilen~0)) (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (= main_~__VERIFIER_assert__cond~8 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {13397#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:27:54,634 INFO L273 TraceCheckUtils]: 33: Hoare triple {13397#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {13397#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:27:54,634 INFO L273 TraceCheckUtils]: 34: Hoare triple {13397#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {13397#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:27:54,636 INFO L273 TraceCheckUtils]: 35: Hoare triple {13397#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {13407#(= (bvadd main_~__VERIFIER_assert__cond~10 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:27:54,636 INFO L273 TraceCheckUtils]: 36: Hoare triple {13407#(= (bvadd main_~__VERIFIER_assert__cond~10 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~10; {13296#false} is VALID [2018-11-18 22:27:54,636 INFO L273 TraceCheckUtils]: 37: Hoare triple {13296#false} assume !false; {13296#false} is VALID [2018-11-18 22:27:54,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:54,637 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:27:54,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:27:54,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:27:54,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-11-18 22:27:54,639 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:27:54,639 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:27:54,696 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:54,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:27:54,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:27:54,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:27:54,697 INFO L87 Difference]: Start difference. First operand 101 states and 108 transitions. Second operand 5 states. [2018-11-18 22:27:55,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:55,495 INFO L93 Difference]: Finished difference Result 125 states and 133 transitions. [2018-11-18 22:27:55,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 22:27:55,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-11-18 22:27:55,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:27:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:27:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2018-11-18 22:27:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:27:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2018-11-18 22:27:55,498 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 94 transitions. [2018-11-18 22:27:55,599 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:55,601 INFO L225 Difference]: With dead ends: 125 [2018-11-18 22:27:55,602 INFO L226 Difference]: Without dead ends: 123 [2018-11-18 22:27:55,602 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 22:27:55,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-18 22:27:55,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 104. [2018-11-18 22:27:55,705 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:27:55,705 INFO L82 GeneralOperation]: Start isEquivalent. First operand 123 states. Second operand 104 states. [2018-11-18 22:27:55,706 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 104 states. [2018-11-18 22:27:55,706 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 104 states. [2018-11-18 22:27:55,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:55,708 INFO L93 Difference]: Finished difference Result 123 states and 131 transitions. [2018-11-18 22:27:55,708 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2018-11-18 22:27:55,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:55,709 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:55,709 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 123 states. [2018-11-18 22:27:55,709 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 123 states. [2018-11-18 22:27:55,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:55,711 INFO L93 Difference]: Finished difference Result 123 states and 131 transitions. [2018-11-18 22:27:55,711 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2018-11-18 22:27:55,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:55,711 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:55,712 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:27:55,712 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:27:55,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-18 22:27:55,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2018-11-18 22:27:55,713 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 111 transitions. Word has length 38 [2018-11-18 22:27:55,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:27:55,714 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 111 transitions. [2018-11-18 22:27:55,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:27:55,714 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2018-11-18 22:27:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 22:27:55,714 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:27:55,715 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:27:55,715 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:27:55,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:27:55,715 INFO L82 PathProgramCache]: Analyzing trace with hash -860108895, now seen corresponding path program 1 times [2018-11-18 22:27:55,716 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:27:55,716 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 22 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:27:55,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:27:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:55,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:27:55,871 INFO L256 TraceCheckUtils]: 0: Hoare triple {13926#true} call ULTIMATE.init(); {13926#true} is VALID [2018-11-18 22:27:55,871 INFO L273 TraceCheckUtils]: 1: Hoare triple {13926#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {13926#true} is VALID [2018-11-18 22:27:55,872 INFO L273 TraceCheckUtils]: 2: Hoare triple {13926#true} assume true; {13926#true} is VALID [2018-11-18 22:27:55,872 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {13926#true} {13926#true} #215#return; {13926#true} is VALID [2018-11-18 22:27:55,872 INFO L256 TraceCheckUtils]: 4: Hoare triple {13926#true} call #t~ret8 := main(); {13926#true} is VALID [2018-11-18 22:27:55,872 INFO L273 TraceCheckUtils]: 5: Hoare triple {13926#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {13926#true} is VALID [2018-11-18 22:27:55,872 INFO L273 TraceCheckUtils]: 6: Hoare triple {13926#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {13926#true} is VALID [2018-11-18 22:27:55,873 INFO L273 TraceCheckUtils]: 7: Hoare triple {13926#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {13926#true} is VALID [2018-11-18 22:27:55,873 INFO L273 TraceCheckUtils]: 8: Hoare triple {13926#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {13926#true} is VALID [2018-11-18 22:27:55,873 INFO L273 TraceCheckUtils]: 9: Hoare triple {13926#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {13926#true} is VALID [2018-11-18 22:27:55,873 INFO L273 TraceCheckUtils]: 10: Hoare triple {13926#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {13926#true} is VALID [2018-11-18 22:27:55,873 INFO L273 TraceCheckUtils]: 11: Hoare triple {13926#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {13926#true} is VALID [2018-11-18 22:27:55,874 INFO L273 TraceCheckUtils]: 12: Hoare triple {13926#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {13926#true} is VALID [2018-11-18 22:27:55,874 INFO L273 TraceCheckUtils]: 13: Hoare triple {13926#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {13926#true} is VALID [2018-11-18 22:27:55,874 INFO L273 TraceCheckUtils]: 14: Hoare triple {13926#true} assume ~bvsge32(~main__scheme~0, 0bv32); {13926#true} is VALID [2018-11-18 22:27:55,874 INFO L273 TraceCheckUtils]: 15: Hoare triple {13926#true} assume !(0bv32 == ~main__scheme~0); {13926#true} is VALID [2018-11-18 22:27:55,875 INFO L273 TraceCheckUtils]: 16: Hoare triple {13926#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {13926#true} is VALID [2018-11-18 22:27:55,875 INFO L273 TraceCheckUtils]: 17: Hoare triple {13926#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {13926#true} is VALID [2018-11-18 22:27:55,875 INFO L273 TraceCheckUtils]: 18: Hoare triple {13926#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {13926#true} is VALID [2018-11-18 22:27:55,875 INFO L273 TraceCheckUtils]: 19: Hoare triple {13926#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {13926#true} is VALID [2018-11-18 22:27:55,875 INFO L273 TraceCheckUtils]: 20: Hoare triple {13926#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {13926#true} is VALID [2018-11-18 22:27:55,876 INFO L273 TraceCheckUtils]: 21: Hoare triple {13926#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {13926#true} is VALID [2018-11-18 22:27:55,876 INFO L273 TraceCheckUtils]: 22: Hoare triple {13926#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {13926#true} is VALID [2018-11-18 22:27:55,876 INFO L273 TraceCheckUtils]: 23: Hoare triple {13926#true} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {13926#true} is VALID [2018-11-18 22:27:55,876 INFO L273 TraceCheckUtils]: 24: Hoare triple {13926#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {13926#true} is VALID [2018-11-18 22:27:55,876 INFO L273 TraceCheckUtils]: 25: Hoare triple {13926#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {13926#true} is VALID [2018-11-18 22:27:55,876 INFO L273 TraceCheckUtils]: 26: Hoare triple {13926#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {13926#true} is VALID [2018-11-18 22:27:55,877 INFO L273 TraceCheckUtils]: 27: Hoare triple {13926#true} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {13926#true} is VALID [2018-11-18 22:27:55,877 INFO L273 TraceCheckUtils]: 28: Hoare triple {13926#true} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {13926#true} is VALID [2018-11-18 22:27:55,877 INFO L273 TraceCheckUtils]: 29: Hoare triple {13926#true} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {13926#true} is VALID [2018-11-18 22:27:55,877 INFO L273 TraceCheckUtils]: 30: Hoare triple {13926#true} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {13926#true} is VALID [2018-11-18 22:27:55,877 INFO L273 TraceCheckUtils]: 31: Hoare triple {13926#true} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {13926#true} is VALID [2018-11-18 22:27:55,898 INFO L273 TraceCheckUtils]: 32: Hoare triple {13926#true} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {14027#(or (and (= main_~__VERIFIER_assert__cond~9 (_ bv0 32)) (not (bvsle (_ bv0 32) main_~main__cp~0))) (and (bvsle (_ bv0 32) main_~main__cp~0) (= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))))} is VALID [2018-11-18 22:27:55,917 INFO L273 TraceCheckUtils]: 33: Hoare triple {14027#(or (and (= main_~__VERIFIER_assert__cond~9 (_ bv0 32)) (not (bvsle (_ bv0 32) main_~main__cp~0))) (and (bvsle (_ bv0 32) main_~main__cp~0) (= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {14031#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:27:55,930 INFO L273 TraceCheckUtils]: 34: Hoare triple {14031#(bvsle (_ bv0 32) main_~main__cp~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {14031#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:27:55,938 INFO L273 TraceCheckUtils]: 35: Hoare triple {14031#(bvsle (_ bv0 32) main_~main__cp~0)} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {14031#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:27:55,951 INFO L273 TraceCheckUtils]: 36: Hoare triple {14031#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {14041#(= (bvadd main_~__VERIFIER_assert__cond~11 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:27:55,964 INFO L273 TraceCheckUtils]: 37: Hoare triple {14041#(= (bvadd main_~__VERIFIER_assert__cond~11 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~11; {13927#false} is VALID [2018-11-18 22:27:55,964 INFO L273 TraceCheckUtils]: 38: Hoare triple {13927#false} assume !false; {13927#false} is VALID [2018-11-18 22:27:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:55,965 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:27:55,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:27:55,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:27:55,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-11-18 22:27:55,969 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:27:55,969 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:27:56,027 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:56,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:27:56,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:27:56,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:27:56,028 INFO L87 Difference]: Start difference. First operand 104 states and 111 transitions. Second operand 5 states. [2018-11-18 22:27:56,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:56,680 INFO L93 Difference]: Finished difference Result 126 states and 134 transitions. [2018-11-18 22:27:56,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 22:27:56,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-11-18 22:27:56,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:27:56,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:27:56,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 95 transitions. [2018-11-18 22:27:56,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:27:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 95 transitions. [2018-11-18 22:27:56,682 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 95 transitions. [2018-11-18 22:27:56,796 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:56,798 INFO L225 Difference]: With dead ends: 126 [2018-11-18 22:27:56,798 INFO L226 Difference]: Without dead ends: 124 [2018-11-18 22:27:56,799 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 22:27:56,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-18 22:27:56,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 105. [2018-11-18 22:27:56,924 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:27:56,924 INFO L82 GeneralOperation]: Start isEquivalent. First operand 124 states. Second operand 105 states. [2018-11-18 22:27:56,924 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 105 states. [2018-11-18 22:27:56,924 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 105 states. [2018-11-18 22:27:56,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:56,927 INFO L93 Difference]: Finished difference Result 124 states and 132 transitions. [2018-11-18 22:27:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2018-11-18 22:27:56,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:56,927 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:56,927 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 124 states. [2018-11-18 22:27:56,928 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 124 states. [2018-11-18 22:27:56,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:27:56,929 INFO L93 Difference]: Finished difference Result 124 states and 132 transitions. [2018-11-18 22:27:56,930 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2018-11-18 22:27:56,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:27:56,930 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:27:56,930 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:27:56,930 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:27:56,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-18 22:27:56,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 112 transitions. [2018-11-18 22:27:56,932 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 112 transitions. Word has length 39 [2018-11-18 22:27:56,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:27:56,932 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 112 transitions. [2018-11-18 22:27:56,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:27:56,933 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2018-11-18 22:27:56,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 22:27:56,933 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:27:56,933 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:27:56,934 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:27:56,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:27:56,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1969164194, now seen corresponding path program 1 times [2018-11-18 22:27:56,934 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:27:56,934 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 23 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:27:56,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:27:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:27:57,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:27:57,201 INFO L256 TraceCheckUtils]: 0: Hoare triple {14564#true} call ULTIMATE.init(); {14564#true} is VALID [2018-11-18 22:27:57,201 INFO L273 TraceCheckUtils]: 1: Hoare triple {14564#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {14564#true} is VALID [2018-11-18 22:27:57,201 INFO L273 TraceCheckUtils]: 2: Hoare triple {14564#true} assume true; {14564#true} is VALID [2018-11-18 22:27:57,202 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {14564#true} {14564#true} #215#return; {14564#true} is VALID [2018-11-18 22:27:57,202 INFO L256 TraceCheckUtils]: 4: Hoare triple {14564#true} call #t~ret8 := main(); {14564#true} is VALID [2018-11-18 22:27:57,202 INFO L273 TraceCheckUtils]: 5: Hoare triple {14564#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {14564#true} is VALID [2018-11-18 22:27:57,202 INFO L273 TraceCheckUtils]: 6: Hoare triple {14564#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {14564#true} is VALID [2018-11-18 22:27:57,202 INFO L273 TraceCheckUtils]: 7: Hoare triple {14564#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {14564#true} is VALID [2018-11-18 22:27:57,202 INFO L273 TraceCheckUtils]: 8: Hoare triple {14564#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {14564#true} is VALID [2018-11-18 22:27:57,202 INFO L273 TraceCheckUtils]: 9: Hoare triple {14564#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {14564#true} is VALID [2018-11-18 22:27:57,203 INFO L273 TraceCheckUtils]: 10: Hoare triple {14564#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {14599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:57,203 INFO L273 TraceCheckUtils]: 11: Hoare triple {14599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {14599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:57,203 INFO L273 TraceCheckUtils]: 12: Hoare triple {14599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {14599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:57,203 INFO L273 TraceCheckUtils]: 13: Hoare triple {14599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {14599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:27:57,204 INFO L273 TraceCheckUtils]: 14: Hoare triple {14599#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsge32(~main__scheme~0, 0bv32); {14612#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:57,204 INFO L273 TraceCheckUtils]: 15: Hoare triple {14612#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !(0bv32 == ~main__scheme~0); {14612#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:57,206 INFO L273 TraceCheckUtils]: 16: Hoare triple {14612#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:57,207 INFO L273 TraceCheckUtils]: 17: Hoare triple {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:57,207 INFO L273 TraceCheckUtils]: 18: Hoare triple {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:57,208 INFO L273 TraceCheckUtils]: 19: Hoare triple {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:57,208 INFO L273 TraceCheckUtils]: 20: Hoare triple {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:57,209 INFO L273 TraceCheckUtils]: 21: Hoare triple {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:57,209 INFO L273 TraceCheckUtils]: 22: Hoare triple {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:57,210 INFO L273 TraceCheckUtils]: 23: Hoare triple {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:57,211 INFO L273 TraceCheckUtils]: 24: Hoare triple {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:27:57,216 INFO L273 TraceCheckUtils]: 25: Hoare triple {14619#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:57,216 INFO L273 TraceCheckUtils]: 26: Hoare triple {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:57,216 INFO L273 TraceCheckUtils]: 27: Hoare triple {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:57,217 INFO L273 TraceCheckUtils]: 28: Hoare triple {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:57,217 INFO L273 TraceCheckUtils]: 29: Hoare triple {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:57,218 INFO L273 TraceCheckUtils]: 30: Hoare triple {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:57,218 INFO L273 TraceCheckUtils]: 31: Hoare triple {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:57,219 INFO L273 TraceCheckUtils]: 32: Hoare triple {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:57,220 INFO L273 TraceCheckUtils]: 33: Hoare triple {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:57,234 INFO L273 TraceCheckUtils]: 34: Hoare triple {14647#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {14675#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:57,235 INFO L273 TraceCheckUtils]: 35: Hoare triple {14675#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {14675#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:27:57,237 INFO L273 TraceCheckUtils]: 36: Hoare triple {14675#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {14682#(= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:27:57,237 INFO L273 TraceCheckUtils]: 37: Hoare triple {14682#(= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~9; {14565#false} is VALID [2018-11-18 22:27:57,238 INFO L273 TraceCheckUtils]: 38: Hoare triple {14565#false} assume !false; {14565#false} is VALID [2018-11-18 22:27:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:57,241 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:27:57,406 INFO L273 TraceCheckUtils]: 38: Hoare triple {14565#false} assume !false; {14565#false} is VALID [2018-11-18 22:27:57,407 INFO L273 TraceCheckUtils]: 37: Hoare triple {14692#(not (= main_~__VERIFIER_assert__cond~9 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~9; {14565#false} is VALID [2018-11-18 22:27:57,408 INFO L273 TraceCheckUtils]: 36: Hoare triple {14696#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {14692#(not (= main_~__VERIFIER_assert__cond~9 (_ bv0 32)))} is VALID [2018-11-18 22:27:57,409 INFO L273 TraceCheckUtils]: 35: Hoare triple {14696#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {14696#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:27:57,411 INFO L273 TraceCheckUtils]: 34: Hoare triple {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {14696#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:27:57,412 INFO L273 TraceCheckUtils]: 33: Hoare triple {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:57,412 INFO L273 TraceCheckUtils]: 32: Hoare triple {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:57,413 INFO L273 TraceCheckUtils]: 31: Hoare triple {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:57,413 INFO L273 TraceCheckUtils]: 30: Hoare triple {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:57,435 INFO L273 TraceCheckUtils]: 29: Hoare triple {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:57,438 INFO L273 TraceCheckUtils]: 28: Hoare triple {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:57,438 INFO L273 TraceCheckUtils]: 27: Hoare triple {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:57,439 INFO L273 TraceCheckUtils]: 26: Hoare triple {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:57,441 INFO L273 TraceCheckUtils]: 25: Hoare triple {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {14703#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:27:57,441 INFO L273 TraceCheckUtils]: 24: Hoare triple {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:57,441 INFO L273 TraceCheckUtils]: 23: Hoare triple {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:57,442 INFO L273 TraceCheckUtils]: 22: Hoare triple {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:57,442 INFO L273 TraceCheckUtils]: 21: Hoare triple {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:57,442 INFO L273 TraceCheckUtils]: 20: Hoare triple {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:57,442 INFO L273 TraceCheckUtils]: 19: Hoare triple {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:57,443 INFO L273 TraceCheckUtils]: 18: Hoare triple {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:57,443 INFO L273 TraceCheckUtils]: 17: Hoare triple {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:57,445 INFO L273 TraceCheckUtils]: 16: Hoare triple {14759#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {14731#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:57,445 INFO L273 TraceCheckUtils]: 15: Hoare triple {14759#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32)))} assume !(0bv32 == ~main__scheme~0); {14759#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:57,446 INFO L273 TraceCheckUtils]: 14: Hoare triple {14766#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} assume ~bvsge32(~main__scheme~0, 0bv32); {14759#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32)))} is VALID [2018-11-18 22:27:57,446 INFO L273 TraceCheckUtils]: 13: Hoare triple {14766#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {14766#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} is VALID [2018-11-18 22:27:57,447 INFO L273 TraceCheckUtils]: 12: Hoare triple {14766#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} assume ~bvsgt32(~main__urilen~0, 0bv32); {14766#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} is VALID [2018-11-18 22:27:57,447 INFO L273 TraceCheckUtils]: 11: Hoare triple {14766#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {14766#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} is VALID [2018-11-18 22:27:57,448 INFO L273 TraceCheckUtils]: 10: Hoare triple {14564#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {14766#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} is VALID [2018-11-18 22:27:57,448 INFO L273 TraceCheckUtils]: 9: Hoare triple {14564#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {14564#true} is VALID [2018-11-18 22:27:57,448 INFO L273 TraceCheckUtils]: 8: Hoare triple {14564#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {14564#true} is VALID [2018-11-18 22:27:57,449 INFO L273 TraceCheckUtils]: 7: Hoare triple {14564#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {14564#true} is VALID [2018-11-18 22:27:57,449 INFO L273 TraceCheckUtils]: 6: Hoare triple {14564#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {14564#true} is VALID [2018-11-18 22:27:57,449 INFO L273 TraceCheckUtils]: 5: Hoare triple {14564#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {14564#true} is VALID [2018-11-18 22:27:57,449 INFO L256 TraceCheckUtils]: 4: Hoare triple {14564#true} call #t~ret8 := main(); {14564#true} is VALID [2018-11-18 22:27:57,449 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {14564#true} {14564#true} #215#return; {14564#true} is VALID [2018-11-18 22:27:57,450 INFO L273 TraceCheckUtils]: 2: Hoare triple {14564#true} assume true; {14564#true} is VALID [2018-11-18 22:27:57,450 INFO L273 TraceCheckUtils]: 1: Hoare triple {14564#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {14564#true} is VALID [2018-11-18 22:27:57,450 INFO L256 TraceCheckUtils]: 0: Hoare triple {14564#true} call ULTIMATE.init(); {14564#true} is VALID [2018-11-18 22:27:57,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:27:57,454 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:27:57,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-18 22:27:57,454 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 39 [2018-11-18 22:27:57,454 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:27:57,454 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-18 22:27:57,567 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:27:57,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 22:27:57,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 22:27:57,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-11-18 22:27:57,567 INFO L87 Difference]: Start difference. First operand 105 states and 112 transitions. Second operand 14 states. [2018-11-18 22:28:02,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:02,362 INFO L93 Difference]: Finished difference Result 376 states and 399 transitions. [2018-11-18 22:28:02,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 22:28:02,362 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 39 [2018-11-18 22:28:02,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:28:02,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-18 22:28:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 374 transitions. [2018-11-18 22:28:02,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-18 22:28:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 374 transitions. [2018-11-18 22:28:02,366 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 374 transitions. [2018-11-18 22:28:02,998 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 374 edges. 374 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:03,006 INFO L225 Difference]: With dead ends: 376 [2018-11-18 22:28:03,006 INFO L226 Difference]: Without dead ends: 374 [2018-11-18 22:28:03,006 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=247, Invalid=745, Unknown=0, NotChecked=0, Total=992 [2018-11-18 22:28:03,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-11-18 22:28:03,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 107. [2018-11-18 22:28:03,167 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:28:03,167 INFO L82 GeneralOperation]: Start isEquivalent. First operand 374 states. Second operand 107 states. [2018-11-18 22:28:03,167 INFO L74 IsIncluded]: Start isIncluded. First operand 374 states. Second operand 107 states. [2018-11-18 22:28:03,167 INFO L87 Difference]: Start difference. First operand 374 states. Second operand 107 states. [2018-11-18 22:28:03,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:03,176 INFO L93 Difference]: Finished difference Result 374 states and 394 transitions. [2018-11-18 22:28:03,176 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 394 transitions. [2018-11-18 22:28:03,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:03,176 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:03,176 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 374 states. [2018-11-18 22:28:03,177 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 374 states. [2018-11-18 22:28:03,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:03,184 INFO L93 Difference]: Finished difference Result 374 states and 394 transitions. [2018-11-18 22:28:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 394 transitions. [2018-11-18 22:28:03,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:03,185 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:03,185 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:28:03,185 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:28:03,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-18 22:28:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 118 transitions. [2018-11-18 22:28:03,187 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 118 transitions. Word has length 39 [2018-11-18 22:28:03,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:28:03,187 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 118 transitions. [2018-11-18 22:28:03,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 22:28:03,187 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2018-11-18 22:28:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 22:28:03,188 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:28:03,188 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:28:03,189 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:28:03,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:28:03,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1930828060, now seen corresponding path program 1 times [2018-11-18 22:28:03,189 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:28:03,189 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 24 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:28:03,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:28:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:03,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:28:03,405 INFO L256 TraceCheckUtils]: 0: Hoare triple {16140#true} call ULTIMATE.init(); {16140#true} is VALID [2018-11-18 22:28:03,405 INFO L273 TraceCheckUtils]: 1: Hoare triple {16140#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {16140#true} is VALID [2018-11-18 22:28:03,406 INFO L273 TraceCheckUtils]: 2: Hoare triple {16140#true} assume true; {16140#true} is VALID [2018-11-18 22:28:03,406 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {16140#true} {16140#true} #215#return; {16140#true} is VALID [2018-11-18 22:28:03,406 INFO L256 TraceCheckUtils]: 4: Hoare triple {16140#true} call #t~ret8 := main(); {16140#true} is VALID [2018-11-18 22:28:03,406 INFO L273 TraceCheckUtils]: 5: Hoare triple {16140#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {16140#true} is VALID [2018-11-18 22:28:03,406 INFO L273 TraceCheckUtils]: 6: Hoare triple {16140#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {16140#true} is VALID [2018-11-18 22:28:03,406 INFO L273 TraceCheckUtils]: 7: Hoare triple {16140#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {16140#true} is VALID [2018-11-18 22:28:03,406 INFO L273 TraceCheckUtils]: 8: Hoare triple {16140#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {16169#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:03,407 INFO L273 TraceCheckUtils]: 9: Hoare triple {16169#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {16169#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:03,407 INFO L273 TraceCheckUtils]: 10: Hoare triple {16169#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {16169#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:03,407 INFO L273 TraceCheckUtils]: 11: Hoare triple {16169#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {16169#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:03,408 INFO L273 TraceCheckUtils]: 12: Hoare triple {16169#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {16169#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:03,408 INFO L273 TraceCheckUtils]: 13: Hoare triple {16169#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,408 INFO L273 TraceCheckUtils]: 14: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume ~bvsge32(~main__scheme~0, 0bv32); {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,409 INFO L273 TraceCheckUtils]: 15: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~main__scheme~0); {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,409 INFO L273 TraceCheckUtils]: 16: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,410 INFO L273 TraceCheckUtils]: 17: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,410 INFO L273 TraceCheckUtils]: 18: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,411 INFO L273 TraceCheckUtils]: 19: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,412 INFO L273 TraceCheckUtils]: 20: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,413 INFO L273 TraceCheckUtils]: 21: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,413 INFO L273 TraceCheckUtils]: 22: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,414 INFO L273 TraceCheckUtils]: 23: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,415 INFO L273 TraceCheckUtils]: 24: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,415 INFO L273 TraceCheckUtils]: 25: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,416 INFO L273 TraceCheckUtils]: 26: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,418 INFO L273 TraceCheckUtils]: 27: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,418 INFO L273 TraceCheckUtils]: 28: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,420 INFO L273 TraceCheckUtils]: 29: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,421 INFO L273 TraceCheckUtils]: 30: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,421 INFO L273 TraceCheckUtils]: 31: Hoare triple {16185#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {16240#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,421 INFO L273 TraceCheckUtils]: 32: Hoare triple {16240#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {16240#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,422 INFO L273 TraceCheckUtils]: 33: Hoare triple {16240#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {16240#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,423 INFO L273 TraceCheckUtils]: 34: Hoare triple {16240#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {16240#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,423 INFO L273 TraceCheckUtils]: 35: Hoare triple {16240#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {16253#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,424 INFO L273 TraceCheckUtils]: 36: Hoare triple {16253#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {16253#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,425 INFO L273 TraceCheckUtils]: 37: Hoare triple {16253#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {16253#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:03,428 INFO L273 TraceCheckUtils]: 38: Hoare triple {16253#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {16263#(= (bvadd main_~__VERIFIER_assert__cond~12 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:28:03,428 INFO L273 TraceCheckUtils]: 39: Hoare triple {16263#(= (bvadd main_~__VERIFIER_assert__cond~12 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~12; {16141#false} is VALID [2018-11-18 22:28:03,429 INFO L273 TraceCheckUtils]: 40: Hoare triple {16141#false} assume !false; {16141#false} is VALID [2018-11-18 22:28:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:28:03,433 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:28:03,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:28:03,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 22:28:03,436 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-11-18 22:28:03,436 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:28:03,436 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-18 22:28:03,491 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:03,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 22:28:03,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 22:28:03,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 22:28:03,492 INFO L87 Difference]: Start difference. First operand 107 states and 118 transitions. Second operand 7 states. [2018-11-18 22:28:04,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:04,153 INFO L93 Difference]: Finished difference Result 139 states and 152 transitions. [2018-11-18 22:28:04,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 22:28:04,154 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-11-18 22:28:04,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:28:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-18 22:28:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 105 transitions. [2018-11-18 22:28:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-18 22:28:04,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 105 transitions. [2018-11-18 22:28:04,157 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 105 transitions. [2018-11-18 22:28:04,310 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:04,313 INFO L225 Difference]: With dead ends: 139 [2018-11-18 22:28:04,313 INFO L226 Difference]: Without dead ends: 137 [2018-11-18 22:28:04,313 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-18 22:28:04,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-18 22:28:04,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 114. [2018-11-18 22:28:04,462 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:28:04,462 INFO L82 GeneralOperation]: Start isEquivalent. First operand 137 states. Second operand 114 states. [2018-11-18 22:28:04,462 INFO L74 IsIncluded]: Start isIncluded. First operand 137 states. Second operand 114 states. [2018-11-18 22:28:04,462 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 114 states. [2018-11-18 22:28:04,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:04,465 INFO L93 Difference]: Finished difference Result 137 states and 150 transitions. [2018-11-18 22:28:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2018-11-18 22:28:04,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:04,466 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:04,466 INFO L74 IsIncluded]: Start isIncluded. First operand 114 states. Second operand 137 states. [2018-11-18 22:28:04,466 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 137 states. [2018-11-18 22:28:04,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:04,468 INFO L93 Difference]: Finished difference Result 137 states and 150 transitions. [2018-11-18 22:28:04,468 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2018-11-18 22:28:04,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:04,468 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:04,468 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:28:04,468 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:28:04,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-18 22:28:04,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 128 transitions. [2018-11-18 22:28:04,470 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 128 transitions. Word has length 41 [2018-11-18 22:28:04,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:28:04,470 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 128 transitions. [2018-11-18 22:28:04,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 22:28:04,470 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 128 transitions. [2018-11-18 22:28:04,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 22:28:04,471 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:28:04,471 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:28:04,471 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:28:04,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:28:04,471 INFO L82 PathProgramCache]: Analyzing trace with hash 273875486, now seen corresponding path program 1 times [2018-11-18 22:28:04,471 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:28:04,472 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 25 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:28:04,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:28:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:04,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:28:04,619 INFO L256 TraceCheckUtils]: 0: Hoare triple {16838#true} call ULTIMATE.init(); {16838#true} is VALID [2018-11-18 22:28:04,620 INFO L273 TraceCheckUtils]: 1: Hoare triple {16838#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {16838#true} is VALID [2018-11-18 22:28:04,620 INFO L273 TraceCheckUtils]: 2: Hoare triple {16838#true} assume true; {16838#true} is VALID [2018-11-18 22:28:04,620 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {16838#true} {16838#true} #215#return; {16838#true} is VALID [2018-11-18 22:28:04,620 INFO L256 TraceCheckUtils]: 4: Hoare triple {16838#true} call #t~ret8 := main(); {16838#true} is VALID [2018-11-18 22:28:04,621 INFO L273 TraceCheckUtils]: 5: Hoare triple {16838#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {16838#true} is VALID [2018-11-18 22:28:04,621 INFO L273 TraceCheckUtils]: 6: Hoare triple {16838#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {16838#true} is VALID [2018-11-18 22:28:04,621 INFO L273 TraceCheckUtils]: 7: Hoare triple {16838#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {16838#true} is VALID [2018-11-18 22:28:04,621 INFO L273 TraceCheckUtils]: 8: Hoare triple {16838#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {16838#true} is VALID [2018-11-18 22:28:04,621 INFO L273 TraceCheckUtils]: 9: Hoare triple {16838#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {16838#true} is VALID [2018-11-18 22:28:04,621 INFO L273 TraceCheckUtils]: 10: Hoare triple {16838#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {16838#true} is VALID [2018-11-18 22:28:04,622 INFO L273 TraceCheckUtils]: 11: Hoare triple {16838#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {16838#true} is VALID [2018-11-18 22:28:04,622 INFO L273 TraceCheckUtils]: 12: Hoare triple {16838#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {16838#true} is VALID [2018-11-18 22:28:04,622 INFO L273 TraceCheckUtils]: 13: Hoare triple {16838#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {16838#true} is VALID [2018-11-18 22:28:04,622 INFO L273 TraceCheckUtils]: 14: Hoare triple {16838#true} assume ~bvsge32(~main__scheme~0, 0bv32); {16838#true} is VALID [2018-11-18 22:28:04,622 INFO L273 TraceCheckUtils]: 15: Hoare triple {16838#true} assume !(0bv32 == ~main__scheme~0); {16838#true} is VALID [2018-11-18 22:28:04,622 INFO L273 TraceCheckUtils]: 16: Hoare triple {16838#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {16838#true} is VALID [2018-11-18 22:28:04,622 INFO L273 TraceCheckUtils]: 17: Hoare triple {16838#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {16838#true} is VALID [2018-11-18 22:28:04,622 INFO L273 TraceCheckUtils]: 18: Hoare triple {16838#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {16838#true} is VALID [2018-11-18 22:28:04,623 INFO L273 TraceCheckUtils]: 19: Hoare triple {16838#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {16838#true} is VALID [2018-11-18 22:28:04,623 INFO L273 TraceCheckUtils]: 20: Hoare triple {16838#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {16838#true} is VALID [2018-11-18 22:28:04,623 INFO L273 TraceCheckUtils]: 21: Hoare triple {16838#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {16838#true} is VALID [2018-11-18 22:28:04,623 INFO L273 TraceCheckUtils]: 22: Hoare triple {16838#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {16838#true} is VALID [2018-11-18 22:28:04,623 INFO L273 TraceCheckUtils]: 23: Hoare triple {16838#true} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {16838#true} is VALID [2018-11-18 22:28:04,623 INFO L273 TraceCheckUtils]: 24: Hoare triple {16838#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {16838#true} is VALID [2018-11-18 22:28:04,623 INFO L273 TraceCheckUtils]: 25: Hoare triple {16838#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {16838#true} is VALID [2018-11-18 22:28:04,623 INFO L273 TraceCheckUtils]: 26: Hoare triple {16838#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {16838#true} is VALID [2018-11-18 22:28:04,623 INFO L273 TraceCheckUtils]: 27: Hoare triple {16838#true} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {16838#true} is VALID [2018-11-18 22:28:04,624 INFO L273 TraceCheckUtils]: 28: Hoare triple {16838#true} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {16838#true} is VALID [2018-11-18 22:28:04,624 INFO L273 TraceCheckUtils]: 29: Hoare triple {16838#true} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {16838#true} is VALID [2018-11-18 22:28:04,624 INFO L273 TraceCheckUtils]: 30: Hoare triple {16838#true} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {16838#true} is VALID [2018-11-18 22:28:04,624 INFO L273 TraceCheckUtils]: 31: Hoare triple {16838#true} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {16936#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:28:04,625 INFO L273 TraceCheckUtils]: 32: Hoare triple {16936#(= (_ bv0 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {16936#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:28:04,625 INFO L273 TraceCheckUtils]: 33: Hoare triple {16936#(= (_ bv0 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {16936#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:28:04,625 INFO L273 TraceCheckUtils]: 34: Hoare triple {16936#(= (_ bv0 32) main_~main__c~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {16936#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:28:04,625 INFO L273 TraceCheckUtils]: 35: Hoare triple {16936#(= (_ bv0 32) main_~main__c~0)} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {16936#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:28:04,626 INFO L273 TraceCheckUtils]: 36: Hoare triple {16936#(= (_ bv0 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {16936#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:28:04,626 INFO L273 TraceCheckUtils]: 37: Hoare triple {16936#(= (_ bv0 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {16936#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:28:04,627 INFO L273 TraceCheckUtils]: 38: Hoare triple {16936#(= (_ bv0 32) main_~main__c~0)} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {16958#(= (_ bv1 32) main_~main__c~0)} is VALID [2018-11-18 22:28:04,627 INFO L273 TraceCheckUtils]: 39: Hoare triple {16958#(= (_ bv1 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__c~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {16962#(= (bvadd main_~__VERIFIER_assert__cond~13 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:28:04,628 INFO L273 TraceCheckUtils]: 40: Hoare triple {16962#(= (bvadd main_~__VERIFIER_assert__cond~13 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~13; {16839#false} is VALID [2018-11-18 22:28:04,628 INFO L273 TraceCheckUtils]: 41: Hoare triple {16839#false} assume !false; {16839#false} is VALID [2018-11-18 22:28:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:28:04,630 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:28:04,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:28:04,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:28:04,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-11-18 22:28:04,633 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:28:04,633 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:28:04,679 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:04,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:28:04,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:28:04,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:28:04,680 INFO L87 Difference]: Start difference. First operand 114 states and 128 transitions. Second operand 5 states. [2018-11-18 22:28:05,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:05,386 INFO L93 Difference]: Finished difference Result 140 states and 153 transitions. [2018-11-18 22:28:05,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 22:28:05,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-11-18 22:28:05,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:28:05,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:28:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 104 transitions. [2018-11-18 22:28:05,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:28:05,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 104 transitions. [2018-11-18 22:28:05,389 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 104 transitions. [2018-11-18 22:28:05,495 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:05,498 INFO L225 Difference]: With dead ends: 140 [2018-11-18 22:28:05,498 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 22:28:05,498 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 22:28:05,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 22:28:05,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 115. [2018-11-18 22:28:05,667 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:28:05,667 INFO L82 GeneralOperation]: Start isEquivalent. First operand 138 states. Second operand 115 states. [2018-11-18 22:28:05,667 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 115 states. [2018-11-18 22:28:05,667 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 115 states. [2018-11-18 22:28:05,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:05,670 INFO L93 Difference]: Finished difference Result 138 states and 151 transitions. [2018-11-18 22:28:05,670 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 151 transitions. [2018-11-18 22:28:05,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:05,670 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:05,670 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 138 states. [2018-11-18 22:28:05,670 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 138 states. [2018-11-18 22:28:05,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:05,672 INFO L93 Difference]: Finished difference Result 138 states and 151 transitions. [2018-11-18 22:28:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 151 transitions. [2018-11-18 22:28:05,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:05,672 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:05,673 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:28:05,673 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:28:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-18 22:28:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 129 transitions. [2018-11-18 22:28:05,674 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 129 transitions. Word has length 42 [2018-11-18 22:28:05,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:28:05,674 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 129 transitions. [2018-11-18 22:28:05,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:28:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 129 transitions. [2018-11-18 22:28:05,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 22:28:05,675 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:28:05,675 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:28:05,676 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:28:05,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:28:05,676 INFO L82 PathProgramCache]: Analyzing trace with hash -99791318, now seen corresponding path program 1 times [2018-11-18 22:28:05,676 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:28:05,676 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 26 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:28:05,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:28:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:05,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:28:05,856 INFO L256 TraceCheckUtils]: 0: Hoare triple {17541#true} call ULTIMATE.init(); {17541#true} is VALID [2018-11-18 22:28:05,857 INFO L273 TraceCheckUtils]: 1: Hoare triple {17541#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {17541#true} is VALID [2018-11-18 22:28:05,857 INFO L273 TraceCheckUtils]: 2: Hoare triple {17541#true} assume true; {17541#true} is VALID [2018-11-18 22:28:05,857 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {17541#true} {17541#true} #215#return; {17541#true} is VALID [2018-11-18 22:28:05,857 INFO L256 TraceCheckUtils]: 4: Hoare triple {17541#true} call #t~ret8 := main(); {17541#true} is VALID [2018-11-18 22:28:05,857 INFO L273 TraceCheckUtils]: 5: Hoare triple {17541#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {17541#true} is VALID [2018-11-18 22:28:05,857 INFO L273 TraceCheckUtils]: 6: Hoare triple {17541#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {17541#true} is VALID [2018-11-18 22:28:05,857 INFO L273 TraceCheckUtils]: 7: Hoare triple {17541#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {17541#true} is VALID [2018-11-18 22:28:05,858 INFO L273 TraceCheckUtils]: 8: Hoare triple {17541#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {17541#true} is VALID [2018-11-18 22:28:05,858 INFO L273 TraceCheckUtils]: 9: Hoare triple {17541#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {17541#true} is VALID [2018-11-18 22:28:05,858 INFO L273 TraceCheckUtils]: 10: Hoare triple {17541#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {17541#true} is VALID [2018-11-18 22:28:05,858 INFO L273 TraceCheckUtils]: 11: Hoare triple {17541#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {17541#true} is VALID [2018-11-18 22:28:05,858 INFO L273 TraceCheckUtils]: 12: Hoare triple {17541#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {17541#true} is VALID [2018-11-18 22:28:05,858 INFO L273 TraceCheckUtils]: 13: Hoare triple {17541#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {17541#true} is VALID [2018-11-18 22:28:05,858 INFO L273 TraceCheckUtils]: 14: Hoare triple {17541#true} assume ~bvsge32(~main__scheme~0, 0bv32); {17541#true} is VALID [2018-11-18 22:28:05,858 INFO L273 TraceCheckUtils]: 15: Hoare triple {17541#true} assume !(0bv32 == ~main__scheme~0); {17541#true} is VALID [2018-11-18 22:28:05,858 INFO L273 TraceCheckUtils]: 16: Hoare triple {17541#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {17541#true} is VALID [2018-11-18 22:28:05,859 INFO L273 TraceCheckUtils]: 17: Hoare triple {17541#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {17541#true} is VALID [2018-11-18 22:28:05,859 INFO L273 TraceCheckUtils]: 18: Hoare triple {17541#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {17541#true} is VALID [2018-11-18 22:28:05,859 INFO L273 TraceCheckUtils]: 19: Hoare triple {17541#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {17541#true} is VALID [2018-11-18 22:28:05,859 INFO L273 TraceCheckUtils]: 20: Hoare triple {17541#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {17541#true} is VALID [2018-11-18 22:28:05,859 INFO L273 TraceCheckUtils]: 21: Hoare triple {17541#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {17541#true} is VALID [2018-11-18 22:28:05,859 INFO L273 TraceCheckUtils]: 22: Hoare triple {17541#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {17541#true} is VALID [2018-11-18 22:28:05,859 INFO L273 TraceCheckUtils]: 23: Hoare triple {17541#true} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {17541#true} is VALID [2018-11-18 22:28:05,859 INFO L273 TraceCheckUtils]: 24: Hoare triple {17541#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {17541#true} is VALID [2018-11-18 22:28:05,860 INFO L273 TraceCheckUtils]: 25: Hoare triple {17541#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {17541#true} is VALID [2018-11-18 22:28:05,860 INFO L273 TraceCheckUtils]: 26: Hoare triple {17541#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {17541#true} is VALID [2018-11-18 22:28:05,860 INFO L273 TraceCheckUtils]: 27: Hoare triple {17541#true} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {17541#true} is VALID [2018-11-18 22:28:05,860 INFO L273 TraceCheckUtils]: 28: Hoare triple {17541#true} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {17541#true} is VALID [2018-11-18 22:28:05,860 INFO L273 TraceCheckUtils]: 29: Hoare triple {17541#true} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {17541#true} is VALID [2018-11-18 22:28:05,860 INFO L273 TraceCheckUtils]: 30: Hoare triple {17541#true} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {17541#true} is VALID [2018-11-18 22:28:05,861 INFO L273 TraceCheckUtils]: 31: Hoare triple {17541#true} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {17639#(or (and (= (bvadd main_~__VERIFIER_assert__cond~8 (_ bv4294967295 32)) (_ bv0 32)) (bvslt main_~main__cp~0 main_~main__urilen~0)) (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (= main_~__VERIFIER_assert__cond~8 (_ bv0 32))))} is VALID [2018-11-18 22:28:05,862 INFO L273 TraceCheckUtils]: 32: Hoare triple {17639#(or (and (= (bvadd main_~__VERIFIER_assert__cond~8 (_ bv4294967295 32)) (_ bv0 32)) (bvslt main_~main__cp~0 main_~main__urilen~0)) (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (= main_~__VERIFIER_assert__cond~8 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:28:05,862 INFO L273 TraceCheckUtils]: 33: Hoare triple {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:28:05,862 INFO L273 TraceCheckUtils]: 34: Hoare triple {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:28:05,863 INFO L273 TraceCheckUtils]: 35: Hoare triple {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:28:05,863 INFO L273 TraceCheckUtils]: 36: Hoare triple {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:28:05,863 INFO L273 TraceCheckUtils]: 37: Hoare triple {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:28:05,864 INFO L273 TraceCheckUtils]: 38: Hoare triple {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:28:05,864 INFO L273 TraceCheckUtils]: 39: Hoare triple {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__c~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:28:05,864 INFO L273 TraceCheckUtils]: 40: Hoare triple {17643#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {17668#(= (bvadd main_~__VERIFIER_assert__cond~14 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:28:05,865 INFO L273 TraceCheckUtils]: 41: Hoare triple {17668#(= (bvadd main_~__VERIFIER_assert__cond~14 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~14; {17542#false} is VALID [2018-11-18 22:28:05,865 INFO L273 TraceCheckUtils]: 42: Hoare triple {17542#false} assume !false; {17542#false} is VALID [2018-11-18 22:28:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:28:05,867 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:28:05,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:28:05,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:28:05,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-11-18 22:28:05,869 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:28:05,870 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:28:05,927 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:05,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:28:05,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:28:05,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:28:05,928 INFO L87 Difference]: Start difference. First operand 115 states and 129 transitions. Second operand 5 states. [2018-11-18 22:28:06,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:06,831 INFO L93 Difference]: Finished difference Result 142 states and 158 transitions. [2018-11-18 22:28:06,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 22:28:06,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-11-18 22:28:06,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:28:06,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:28:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 102 transitions. [2018-11-18 22:28:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:28:06,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 102 transitions. [2018-11-18 22:28:06,833 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 102 transitions. [2018-11-18 22:28:06,956 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:06,958 INFO L225 Difference]: With dead ends: 142 [2018-11-18 22:28:06,958 INFO L226 Difference]: Without dead ends: 140 [2018-11-18 22:28:06,959 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 22:28:06,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-18 22:28:07,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 119. [2018-11-18 22:28:07,108 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:28:07,108 INFO L82 GeneralOperation]: Start isEquivalent. First operand 140 states. Second operand 119 states. [2018-11-18 22:28:07,108 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 119 states. [2018-11-18 22:28:07,108 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 119 states. [2018-11-18 22:28:07,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:07,111 INFO L93 Difference]: Finished difference Result 140 states and 156 transitions. [2018-11-18 22:28:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 156 transitions. [2018-11-18 22:28:07,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:07,111 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:07,112 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand 140 states. [2018-11-18 22:28:07,112 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 140 states. [2018-11-18 22:28:07,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:07,114 INFO L93 Difference]: Finished difference Result 140 states and 156 transitions. [2018-11-18 22:28:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 156 transitions. [2018-11-18 22:28:07,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:07,115 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:07,115 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:28:07,115 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:28:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-18 22:28:07,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 134 transitions. [2018-11-18 22:28:07,117 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 134 transitions. Word has length 43 [2018-11-18 22:28:07,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:28:07,117 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 134 transitions. [2018-11-18 22:28:07,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:28:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 134 transitions. [2018-11-18 22:28:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 22:28:07,118 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:28:07,118 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:28:07,119 INFO L423 AbstractCegarLoop]: === Iteration 26 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:28:07,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:28:07,119 INFO L82 PathProgramCache]: Analyzing trace with hash -635840032, now seen corresponding path program 2 times [2018-11-18 22:28:07,119 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:28:07,119 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 27 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:28:07,148 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-18 22:28:07,239 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 22:28:07,240 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 22:28:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:07,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:28:07,587 INFO L256 TraceCheckUtils]: 0: Hoare triple {18261#true} call ULTIMATE.init(); {18261#true} is VALID [2018-11-18 22:28:07,587 INFO L273 TraceCheckUtils]: 1: Hoare triple {18261#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {18261#true} is VALID [2018-11-18 22:28:07,587 INFO L273 TraceCheckUtils]: 2: Hoare triple {18261#true} assume true; {18261#true} is VALID [2018-11-18 22:28:07,588 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {18261#true} {18261#true} #215#return; {18261#true} is VALID [2018-11-18 22:28:07,588 INFO L256 TraceCheckUtils]: 4: Hoare triple {18261#true} call #t~ret8 := main(); {18261#true} is VALID [2018-11-18 22:28:07,588 INFO L273 TraceCheckUtils]: 5: Hoare triple {18261#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {18261#true} is VALID [2018-11-18 22:28:07,588 INFO L273 TraceCheckUtils]: 6: Hoare triple {18261#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {18261#true} is VALID [2018-11-18 22:28:07,588 INFO L273 TraceCheckUtils]: 7: Hoare triple {18261#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {18261#true} is VALID [2018-11-18 22:28:07,588 INFO L273 TraceCheckUtils]: 8: Hoare triple {18261#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {18261#true} is VALID [2018-11-18 22:28:07,588 INFO L273 TraceCheckUtils]: 9: Hoare triple {18261#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {18261#true} is VALID [2018-11-18 22:28:07,589 INFO L273 TraceCheckUtils]: 10: Hoare triple {18261#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {18296#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:07,589 INFO L273 TraceCheckUtils]: 11: Hoare triple {18296#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {18296#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:07,589 INFO L273 TraceCheckUtils]: 12: Hoare triple {18296#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {18296#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:07,590 INFO L273 TraceCheckUtils]: 13: Hoare triple {18296#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {18296#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:07,590 INFO L273 TraceCheckUtils]: 14: Hoare triple {18296#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsge32(~main__scheme~0, 0bv32); {18309#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:07,590 INFO L273 TraceCheckUtils]: 15: Hoare triple {18309#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !(0bv32 == ~main__scheme~0); {18309#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:07,593 INFO L273 TraceCheckUtils]: 16: Hoare triple {18309#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:07,594 INFO L273 TraceCheckUtils]: 17: Hoare triple {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:07,594 INFO L273 TraceCheckUtils]: 18: Hoare triple {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:07,595 INFO L273 TraceCheckUtils]: 19: Hoare triple {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:07,596 INFO L273 TraceCheckUtils]: 20: Hoare triple {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:07,596 INFO L273 TraceCheckUtils]: 21: Hoare triple {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:07,597 INFO L273 TraceCheckUtils]: 22: Hoare triple {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:07,598 INFO L273 TraceCheckUtils]: 23: Hoare triple {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:07,598 INFO L273 TraceCheckUtils]: 24: Hoare triple {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:07,604 INFO L273 TraceCheckUtils]: 25: Hoare triple {18316#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {18344#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,605 INFO L273 TraceCheckUtils]: 26: Hoare triple {18344#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {18344#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,605 INFO L273 TraceCheckUtils]: 27: Hoare triple {18344#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {18344#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,606 INFO L273 TraceCheckUtils]: 28: Hoare triple {18344#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {18344#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,615 INFO L273 TraceCheckUtils]: 29: Hoare triple {18344#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {18357#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,616 INFO L273 TraceCheckUtils]: 30: Hoare triple {18357#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {18357#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,616 INFO L273 TraceCheckUtils]: 31: Hoare triple {18357#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {18357#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,617 INFO L273 TraceCheckUtils]: 32: Hoare triple {18357#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {18357#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,632 INFO L273 TraceCheckUtils]: 33: Hoare triple {18357#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {18370#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,632 INFO L273 TraceCheckUtils]: 34: Hoare triple {18370#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {18370#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,633 INFO L273 TraceCheckUtils]: 35: Hoare triple {18370#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {18370#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,633 INFO L273 TraceCheckUtils]: 36: Hoare triple {18370#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {18370#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,643 INFO L273 TraceCheckUtils]: 37: Hoare triple {18370#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {18383#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,644 INFO L273 TraceCheckUtils]: 38: Hoare triple {18383#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {18383#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,644 INFO L273 TraceCheckUtils]: 39: Hoare triple {18383#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {18383#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:07,646 INFO L273 TraceCheckUtils]: 40: Hoare triple {18383#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {18393#(= (bvadd main_~__VERIFIER_assert__cond~17 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:28:07,646 INFO L273 TraceCheckUtils]: 41: Hoare triple {18393#(= (bvadd main_~__VERIFIER_assert__cond~17 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~17; {18262#false} is VALID [2018-11-18 22:28:07,647 INFO L273 TraceCheckUtils]: 42: Hoare triple {18262#false} assume !false; {18262#false} is VALID [2018-11-18 22:28:07,649 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:28:07,649 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:28:07,899 INFO L273 TraceCheckUtils]: 42: Hoare triple {18262#false} assume !false; {18262#false} is VALID [2018-11-18 22:28:07,900 INFO L273 TraceCheckUtils]: 41: Hoare triple {18403#(not (= main_~__VERIFIER_assert__cond~17 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~17; {18262#false} is VALID [2018-11-18 22:28:07,900 INFO L273 TraceCheckUtils]: 40: Hoare triple {18407#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {18403#(not (= main_~__VERIFIER_assert__cond~17 (_ bv0 32)))} is VALID [2018-11-18 22:28:07,901 INFO L273 TraceCheckUtils]: 39: Hoare triple {18407#(bvsle (_ bv0 32) main_~main__cp~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {18407#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:07,901 INFO L273 TraceCheckUtils]: 38: Hoare triple {18407#(bvsle (_ bv0 32) main_~main__cp~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {18407#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:07,902 INFO L273 TraceCheckUtils]: 37: Hoare triple {18417#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {18407#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:07,902 INFO L273 TraceCheckUtils]: 36: Hoare triple {18417#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {18417#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:28:07,903 INFO L273 TraceCheckUtils]: 35: Hoare triple {18417#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {18417#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:28:07,903 INFO L273 TraceCheckUtils]: 34: Hoare triple {18417#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {18417#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:28:07,906 INFO L273 TraceCheckUtils]: 33: Hoare triple {18430#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {18417#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:28:07,907 INFO L273 TraceCheckUtils]: 32: Hoare triple {18430#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {18430#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:28:07,907 INFO L273 TraceCheckUtils]: 31: Hoare triple {18430#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {18430#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:28:07,908 INFO L273 TraceCheckUtils]: 30: Hoare triple {18430#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {18430#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:28:07,909 INFO L273 TraceCheckUtils]: 29: Hoare triple {18443#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {18430#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:28:07,910 INFO L273 TraceCheckUtils]: 28: Hoare triple {18443#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {18443#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} is VALID [2018-11-18 22:28:07,910 INFO L273 TraceCheckUtils]: 27: Hoare triple {18443#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {18443#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} is VALID [2018-11-18 22:28:07,910 INFO L273 TraceCheckUtils]: 26: Hoare triple {18443#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {18443#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} is VALID [2018-11-18 22:28:07,912 INFO L273 TraceCheckUtils]: 25: Hoare triple {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {18443#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} is VALID [2018-11-18 22:28:07,912 INFO L273 TraceCheckUtils]: 24: Hoare triple {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:07,913 INFO L273 TraceCheckUtils]: 23: Hoare triple {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:07,913 INFO L273 TraceCheckUtils]: 22: Hoare triple {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:07,914 INFO L273 TraceCheckUtils]: 21: Hoare triple {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:07,914 INFO L273 TraceCheckUtils]: 20: Hoare triple {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:07,915 INFO L273 TraceCheckUtils]: 19: Hoare triple {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:07,915 INFO L273 TraceCheckUtils]: 18: Hoare triple {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:07,916 INFO L273 TraceCheckUtils]: 17: Hoare triple {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:07,916 INFO L273 TraceCheckUtils]: 16: Hoare triple {18484#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {18456#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:07,917 INFO L273 TraceCheckUtils]: 15: Hoare triple {18484#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32)))} assume !(0bv32 == ~main__scheme~0); {18484#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:07,918 INFO L273 TraceCheckUtils]: 14: Hoare triple {18491#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} assume ~bvsge32(~main__scheme~0, 0bv32); {18484#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:07,918 INFO L273 TraceCheckUtils]: 13: Hoare triple {18491#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {18491#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} is VALID [2018-11-18 22:28:07,919 INFO L273 TraceCheckUtils]: 12: Hoare triple {18491#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} assume ~bvsgt32(~main__urilen~0, 0bv32); {18491#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} is VALID [2018-11-18 22:28:07,919 INFO L273 TraceCheckUtils]: 11: Hoare triple {18491#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {18491#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} is VALID [2018-11-18 22:28:07,920 INFO L273 TraceCheckUtils]: 10: Hoare triple {18261#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {18491#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} is VALID [2018-11-18 22:28:07,921 INFO L273 TraceCheckUtils]: 9: Hoare triple {18261#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {18261#true} is VALID [2018-11-18 22:28:07,921 INFO L273 TraceCheckUtils]: 8: Hoare triple {18261#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {18261#true} is VALID [2018-11-18 22:28:07,921 INFO L273 TraceCheckUtils]: 7: Hoare triple {18261#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {18261#true} is VALID [2018-11-18 22:28:07,921 INFO L273 TraceCheckUtils]: 6: Hoare triple {18261#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {18261#true} is VALID [2018-11-18 22:28:07,921 INFO L273 TraceCheckUtils]: 5: Hoare triple {18261#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {18261#true} is VALID [2018-11-18 22:28:07,922 INFO L256 TraceCheckUtils]: 4: Hoare triple {18261#true} call #t~ret8 := main(); {18261#true} is VALID [2018-11-18 22:28:07,922 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {18261#true} {18261#true} #215#return; {18261#true} is VALID [2018-11-18 22:28:07,922 INFO L273 TraceCheckUtils]: 2: Hoare triple {18261#true} assume true; {18261#true} is VALID [2018-11-18 22:28:07,922 INFO L273 TraceCheckUtils]: 1: Hoare triple {18261#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {18261#true} is VALID [2018-11-18 22:28:07,922 INFO L256 TraceCheckUtils]: 0: Hoare triple {18261#true} call ULTIMATE.init(); {18261#true} is VALID [2018-11-18 22:28:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:28:07,926 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:28:07,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-11-18 22:28:07,927 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 43 [2018-11-18 22:28:07,927 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:28:07,927 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states. [2018-11-18 22:28:08,064 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:08,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 22:28:08,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 22:28:08,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2018-11-18 22:28:08,065 INFO L87 Difference]: Start difference. First operand 119 states and 134 transitions. Second operand 18 states. [2018-11-18 22:28:22,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:22,138 INFO L93 Difference]: Finished difference Result 1021 states and 1145 transitions. [2018-11-18 22:28:22,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-18 22:28:22,138 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 43 [2018-11-18 22:28:22,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:28:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 22:28:22,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 804 transitions. [2018-11-18 22:28:22,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 22:28:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 804 transitions. [2018-11-18 22:28:22,146 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 804 transitions. [2018-11-18 22:28:23,678 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 804 edges. 804 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:23,723 INFO L225 Difference]: With dead ends: 1021 [2018-11-18 22:28:23,723 INFO L226 Difference]: Without dead ends: 1019 [2018-11-18 22:28:23,724 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 652 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=726, Invalid=2030, Unknown=0, NotChecked=0, Total=2756 [2018-11-18 22:28:23,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2018-11-18 22:28:24,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 141. [2018-11-18 22:28:24,041 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:28:24,041 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1019 states. Second operand 141 states. [2018-11-18 22:28:24,041 INFO L74 IsIncluded]: Start isIncluded. First operand 1019 states. Second operand 141 states. [2018-11-18 22:28:24,041 INFO L87 Difference]: Start difference. First operand 1019 states. Second operand 141 states. [2018-11-18 22:28:24,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:24,074 INFO L93 Difference]: Finished difference Result 1019 states and 1138 transitions. [2018-11-18 22:28:24,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1138 transitions. [2018-11-18 22:28:24,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:24,076 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:24,076 INFO L74 IsIncluded]: Start isIncluded. First operand 141 states. Second operand 1019 states. [2018-11-18 22:28:24,076 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 1019 states. [2018-11-18 22:28:24,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:24,116 INFO L93 Difference]: Finished difference Result 1019 states and 1138 transitions. [2018-11-18 22:28:24,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1138 transitions. [2018-11-18 22:28:24,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:24,117 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:24,117 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:28:24,117 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:28:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-18 22:28:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2018-11-18 22:28:24,119 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 43 [2018-11-18 22:28:24,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:28:24,119 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2018-11-18 22:28:24,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 22:28:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-11-18 22:28:24,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 22:28:24,120 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:28:24,120 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:28:24,121 INFO L423 AbstractCegarLoop]: === Iteration 27 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:28:24,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:28:24,121 INFO L82 PathProgramCache]: Analyzing trace with hash -520092063, now seen corresponding path program 2 times [2018-11-18 22:28:24,121 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:28:24,121 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 28 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:28:24,140 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 22:28:24,173 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-18 22:28:24,173 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 22:28:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:24,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:28:24,471 INFO L256 TraceCheckUtils]: 0: Hoare triple {21971#true} call ULTIMATE.init(); {21971#true} is VALID [2018-11-18 22:28:24,471 INFO L273 TraceCheckUtils]: 1: Hoare triple {21971#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {21971#true} is VALID [2018-11-18 22:28:24,471 INFO L273 TraceCheckUtils]: 2: Hoare triple {21971#true} assume true; {21971#true} is VALID [2018-11-18 22:28:24,471 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21971#true} {21971#true} #215#return; {21971#true} is VALID [2018-11-18 22:28:24,471 INFO L256 TraceCheckUtils]: 4: Hoare triple {21971#true} call #t~ret8 := main(); {21971#true} is VALID [2018-11-18 22:28:24,472 INFO L273 TraceCheckUtils]: 5: Hoare triple {21971#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {21971#true} is VALID [2018-11-18 22:28:24,472 INFO L273 TraceCheckUtils]: 6: Hoare triple {21971#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {21971#true} is VALID [2018-11-18 22:28:24,472 INFO L273 TraceCheckUtils]: 7: Hoare triple {21971#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {21971#true} is VALID [2018-11-18 22:28:24,472 INFO L273 TraceCheckUtils]: 8: Hoare triple {21971#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {21971#true} is VALID [2018-11-18 22:28:24,472 INFO L273 TraceCheckUtils]: 9: Hoare triple {21971#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {21971#true} is VALID [2018-11-18 22:28:24,472 INFO L273 TraceCheckUtils]: 10: Hoare triple {21971#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {21971#true} is VALID [2018-11-18 22:28:24,472 INFO L273 TraceCheckUtils]: 11: Hoare triple {21971#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {21971#true} is VALID [2018-11-18 22:28:24,472 INFO L273 TraceCheckUtils]: 12: Hoare triple {21971#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {21971#true} is VALID [2018-11-18 22:28:24,473 INFO L273 TraceCheckUtils]: 13: Hoare triple {21971#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {21971#true} is VALID [2018-11-18 22:28:24,473 INFO L273 TraceCheckUtils]: 14: Hoare triple {21971#true} assume ~bvsge32(~main__scheme~0, 0bv32); {22018#(bvsge main_~main__scheme~0 (_ bv0 32))} is VALID [2018-11-18 22:28:24,473 INFO L273 TraceCheckUtils]: 15: Hoare triple {22018#(bvsge main_~main__scheme~0 (_ bv0 32))} assume !(0bv32 == ~main__scheme~0); {22018#(bvsge main_~main__scheme~0 (_ bv0 32))} is VALID [2018-11-18 22:28:24,477 INFO L273 TraceCheckUtils]: 16: Hoare triple {22018#(bvsge main_~main__scheme~0 (_ bv0 32))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,477 INFO L273 TraceCheckUtils]: 17: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,478 INFO L273 TraceCheckUtils]: 18: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,478 INFO L273 TraceCheckUtils]: 19: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,478 INFO L273 TraceCheckUtils]: 20: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,479 INFO L273 TraceCheckUtils]: 21: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,479 INFO L273 TraceCheckUtils]: 22: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,479 INFO L273 TraceCheckUtils]: 23: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,480 INFO L273 TraceCheckUtils]: 24: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,480 INFO L273 TraceCheckUtils]: 25: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,481 INFO L273 TraceCheckUtils]: 26: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,482 INFO L273 TraceCheckUtils]: 27: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,483 INFO L273 TraceCheckUtils]: 28: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,483 INFO L273 TraceCheckUtils]: 29: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,484 INFO L273 TraceCheckUtils]: 30: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,484 INFO L273 TraceCheckUtils]: 31: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,485 INFO L273 TraceCheckUtils]: 32: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,485 INFO L273 TraceCheckUtils]: 33: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,486 INFO L273 TraceCheckUtils]: 34: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,486 INFO L273 TraceCheckUtils]: 35: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,487 INFO L273 TraceCheckUtils]: 36: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,487 INFO L273 TraceCheckUtils]: 37: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,491 INFO L273 TraceCheckUtils]: 38: Hoare triple {22025#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__scheme~0))))} assume !(~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32)); {22092#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt main_~main__cp~0 main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,491 INFO L273 TraceCheckUtils]: 39: Hoare triple {22092#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt main_~main__cp~0 main_~main__scheme~0))))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {22092#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt main_~main__cp~0 main_~main__scheme~0))))} is VALID [2018-11-18 22:28:24,492 INFO L273 TraceCheckUtils]: 40: Hoare triple {22092#(exists ((main_~main__scheme~0 (_ BitVec 32))) (and (bvsge main_~main__scheme~0 (_ bv0 32)) (not (bvslt main_~main__cp~0 main_~main__scheme~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {22099#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:28:24,493 INFO L273 TraceCheckUtils]: 41: Hoare triple {22099#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {21972#false} is VALID [2018-11-18 22:28:24,493 INFO L273 TraceCheckUtils]: 42: Hoare triple {21972#false} assume !false; {21972#false} is VALID [2018-11-18 22:28:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 22:28:24,498 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:28:24,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:28:24,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 22:28:24,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-11-18 22:28:24,500 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:28:24,500 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-18 22:28:24,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:24,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 22:28:24,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 22:28:24,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 22:28:24,558 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 6 states. [2018-11-18 22:28:25,281 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-18 22:28:26,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:26,566 INFO L93 Difference]: Finished difference Result 191 states and 220 transitions. [2018-11-18 22:28:26,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 22:28:26,566 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-11-18 22:28:26,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:28:26,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-18 22:28:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 109 transitions. [2018-11-18 22:28:26,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-18 22:28:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 109 transitions. [2018-11-18 22:28:26,568 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 109 transitions. [2018-11-18 22:28:27,577 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 109 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:27,580 INFO L225 Difference]: With dead ends: 191 [2018-11-18 22:28:27,580 INFO L226 Difference]: Without dead ends: 186 [2018-11-18 22:28:27,580 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-18 22:28:27,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-11-18 22:28:27,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 138. [2018-11-18 22:28:27,871 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:28:27,871 INFO L82 GeneralOperation]: Start isEquivalent. First operand 186 states. Second operand 138 states. [2018-11-18 22:28:27,871 INFO L74 IsIncluded]: Start isIncluded. First operand 186 states. Second operand 138 states. [2018-11-18 22:28:27,871 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 138 states. [2018-11-18 22:28:27,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:27,874 INFO L93 Difference]: Finished difference Result 186 states and 209 transitions. [2018-11-18 22:28:27,875 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 209 transitions. [2018-11-18 22:28:27,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:27,875 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:27,875 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 186 states. [2018-11-18 22:28:27,875 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 186 states. [2018-11-18 22:28:27,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:27,877 INFO L93 Difference]: Finished difference Result 186 states and 209 transitions. [2018-11-18 22:28:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 209 transitions. [2018-11-18 22:28:27,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:27,878 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:27,878 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:28:27,878 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:28:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-18 22:28:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 156 transitions. [2018-11-18 22:28:27,880 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 156 transitions. Word has length 43 [2018-11-18 22:28:27,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:28:27,880 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 156 transitions. [2018-11-18 22:28:27,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 22:28:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 156 transitions. [2018-11-18 22:28:27,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 22:28:27,880 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:28:27,881 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:28:27,881 INFO L423 AbstractCegarLoop]: === Iteration 28 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:28:27,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:28:27,881 INFO L82 PathProgramCache]: Analyzing trace with hash 2020599801, now seen corresponding path program 1 times [2018-11-18 22:28:27,882 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:28:27,882 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 29 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:28:27,904 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 22:28:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:28,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:28:28,914 INFO L256 TraceCheckUtils]: 0: Hoare triple {22867#true} call ULTIMATE.init(); {22867#true} is VALID [2018-11-18 22:28:28,914 INFO L273 TraceCheckUtils]: 1: Hoare triple {22867#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {22867#true} is VALID [2018-11-18 22:28:28,914 INFO L273 TraceCheckUtils]: 2: Hoare triple {22867#true} assume true; {22867#true} is VALID [2018-11-18 22:28:28,914 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {22867#true} {22867#true} #215#return; {22867#true} is VALID [2018-11-18 22:28:28,914 INFO L256 TraceCheckUtils]: 4: Hoare triple {22867#true} call #t~ret8 := main(); {22867#true} is VALID [2018-11-18 22:28:28,914 INFO L273 TraceCheckUtils]: 5: Hoare triple {22867#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {22867#true} is VALID [2018-11-18 22:28:28,915 INFO L273 TraceCheckUtils]: 6: Hoare triple {22867#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {22890#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:28,915 INFO L273 TraceCheckUtils]: 7: Hoare triple {22890#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {22890#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:28,915 INFO L273 TraceCheckUtils]: 8: Hoare triple {22890#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {22890#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:28,916 INFO L273 TraceCheckUtils]: 9: Hoare triple {22890#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {22890#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:28,916 INFO L273 TraceCheckUtils]: 10: Hoare triple {22890#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {22903#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:28,916 INFO L273 TraceCheckUtils]: 11: Hoare triple {22903#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {22903#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:28,917 INFO L273 TraceCheckUtils]: 12: Hoare triple {22903#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume ~bvsgt32(~main__urilen~0, 0bv32); {22910#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,917 INFO L273 TraceCheckUtils]: 13: Hoare triple {22910#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {22910#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,918 INFO L273 TraceCheckUtils]: 14: Hoare triple {22910#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsge32(~main__scheme~0, 0bv32); {22917#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,918 INFO L273 TraceCheckUtils]: 15: Hoare triple {22917#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~main__scheme~0); {22917#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,922 INFO L273 TraceCheckUtils]: 16: Hoare triple {22917#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,922 INFO L273 TraceCheckUtils]: 17: Hoare triple {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,923 INFO L273 TraceCheckUtils]: 18: Hoare triple {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,924 INFO L273 TraceCheckUtils]: 19: Hoare triple {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,925 INFO L273 TraceCheckUtils]: 20: Hoare triple {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,926 INFO L273 TraceCheckUtils]: 21: Hoare triple {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,926 INFO L273 TraceCheckUtils]: 22: Hoare triple {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,927 INFO L273 TraceCheckUtils]: 23: Hoare triple {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,928 INFO L273 TraceCheckUtils]: 24: Hoare triple {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,929 INFO L273 TraceCheckUtils]: 25: Hoare triple {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,929 INFO L273 TraceCheckUtils]: 26: Hoare triple {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,933 INFO L273 TraceCheckUtils]: 27: Hoare triple {22924#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {22958#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (or (and (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (= (bvadd main_~__VERIFIER_assert__cond~6 (_ bv4294967295 32)) (_ bv0 32))) (and (= main_~__VERIFIER_assert__cond~6 (_ bv0 32)) (not (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)))) (bvsge main_~main__cp~0 (_ bv0 32)))} is VALID [2018-11-18 22:28:28,936 INFO L273 TraceCheckUtils]: 28: Hoare triple {22958#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)) (or (and (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (= (bvadd main_~__VERIFIER_assert__cond~6 (_ bv4294967295 32)) (_ bv0 32))) (and (= main_~__VERIFIER_assert__cond~6 (_ bv0 32)) (not (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)))) (bvsge main_~main__cp~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {22962#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsge main_~main__cp~0 (_ bv0 32)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:28:28,937 INFO L273 TraceCheckUtils]: 29: Hoare triple {22962#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsge main_~main__cp~0 (_ bv0 32)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {22962#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsge main_~main__cp~0 (_ bv0 32)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:28:29,080 INFO L273 TraceCheckUtils]: 30: Hoare triple {22962#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) main_~main__cp~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsge main_~main__cp~0 (_ bv0 32)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:28:29,081 INFO L273 TraceCheckUtils]: 31: Hoare triple {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {22973#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (= (bvadd main_~__VERIFIER_assert__cond~8 (_ bv4294967295 32)) (_ bv0 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:28:29,081 INFO L273 TraceCheckUtils]: 32: Hoare triple {22973#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (= (bvadd main_~__VERIFIER_assert__cond~8 (_ bv4294967295 32)) (_ bv0 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:28:29,082 INFO L273 TraceCheckUtils]: 33: Hoare triple {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:28:29,082 INFO L273 TraceCheckUtils]: 34: Hoare triple {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:28:29,083 INFO L273 TraceCheckUtils]: 35: Hoare triple {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:28:29,084 INFO L273 TraceCheckUtils]: 36: Hoare triple {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:28:29,085 INFO L273 TraceCheckUtils]: 37: Hoare triple {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:28:29,086 INFO L273 TraceCheckUtils]: 38: Hoare triple {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} assume !!(0bv32 == ~main____CPAchecker_TMP_3~0); {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:28:29,246 INFO L273 TraceCheckUtils]: 39: Hoare triple {22969#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvslt main_~main__cp~0 main_~main__urilen~0) (not (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967295 32)))))} ~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {22998#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967294 32)))) (bvslt (bvadd main_~main__cp~0 (_ bv4294967295 32)) main_~main__urilen~0) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:29,247 INFO L273 TraceCheckUtils]: 40: Hoare triple {22998#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967294 32)))) (bvslt (bvadd main_~main__cp~0 (_ bv4294967295 32)) main_~main__urilen~0) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {22998#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967294 32)))) (bvslt (bvadd main_~main__cp~0 (_ bv4294967295 32)) main_~main__urilen~0) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:29,267 INFO L273 TraceCheckUtils]: 41: Hoare triple {22998#(and (not (bvslt (bvadd main_~main__urilen~0 (_ bv4294967295 32)) (bvadd main_~main__cp~0 (_ bv4294967294 32)))) (bvslt (bvadd main_~main__cp~0 (_ bv4294967295 32)) main_~main__urilen~0) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (not (= main_~main__cp~0 main_~main__urilen~0)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {23005#(= (bvadd main_~__VERIFIER_assert__cond~10 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:28:29,267 INFO L273 TraceCheckUtils]: 42: Hoare triple {23005#(= (bvadd main_~__VERIFIER_assert__cond~10 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~10; {22868#false} is VALID [2018-11-18 22:28:29,267 INFO L273 TraceCheckUtils]: 43: Hoare triple {22868#false} assume !false; {22868#false} is VALID [2018-11-18 22:28:29,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:28:29,273 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:28:29,693 INFO L273 TraceCheckUtils]: 43: Hoare triple {22868#false} assume !false; {22868#false} is VALID [2018-11-18 22:28:29,694 INFO L273 TraceCheckUtils]: 42: Hoare triple {23015#(not (= main_~__VERIFIER_assert__cond~10 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~10; {22868#false} is VALID [2018-11-18 22:28:29,694 INFO L273 TraceCheckUtils]: 41: Hoare triple {23019#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {23015#(not (= main_~__VERIFIER_assert__cond~10 (_ bv0 32)))} is VALID [2018-11-18 22:28:29,695 INFO L273 TraceCheckUtils]: 40: Hoare triple {23019#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {23019#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:28:29,695 INFO L273 TraceCheckUtils]: 39: Hoare triple {23026#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} ~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {23019#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:28:29,695 INFO L273 TraceCheckUtils]: 38: Hoare triple {23026#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_3~0); {23026#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:28:29,696 INFO L273 TraceCheckUtils]: 37: Hoare triple {23026#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {23026#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:28:29,696 INFO L273 TraceCheckUtils]: 36: Hoare triple {23026#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {23026#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:28:29,697 INFO L273 TraceCheckUtils]: 35: Hoare triple {23026#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {23026#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:28:29,697 INFO L273 TraceCheckUtils]: 34: Hoare triple {23042#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {23026#(bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0)} is VALID [2018-11-18 22:28:29,698 INFO L273 TraceCheckUtils]: 33: Hoare triple {23042#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {23042#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:28:29,699 INFO L273 TraceCheckUtils]: 32: Hoare triple {23049#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (= main_~__VERIFIER_assert__cond~8 (_ bv0 32)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {23042#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:28:29,720 INFO L273 TraceCheckUtils]: 31: Hoare triple {22867#true} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {23049#(or (= (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0) (= main_~__VERIFIER_assert__cond~8 (_ bv0 32)) (bvslt (bvadd main_~main__cp~0 (_ bv1 32)) main_~main__urilen~0))} is VALID [2018-11-18 22:28:29,720 INFO L273 TraceCheckUtils]: 30: Hoare triple {22867#true} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {22867#true} is VALID [2018-11-18 22:28:29,720 INFO L273 TraceCheckUtils]: 29: Hoare triple {22867#true} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {22867#true} is VALID [2018-11-18 22:28:29,720 INFO L273 TraceCheckUtils]: 28: Hoare triple {22867#true} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {22867#true} is VALID [2018-11-18 22:28:29,720 INFO L273 TraceCheckUtils]: 27: Hoare triple {22867#true} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {22867#true} is VALID [2018-11-18 22:28:29,720 INFO L273 TraceCheckUtils]: 26: Hoare triple {22867#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {22867#true} is VALID [2018-11-18 22:28:29,721 INFO L273 TraceCheckUtils]: 25: Hoare triple {22867#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {22867#true} is VALID [2018-11-18 22:28:29,721 INFO L273 TraceCheckUtils]: 24: Hoare triple {22867#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {22867#true} is VALID [2018-11-18 22:28:29,721 INFO L273 TraceCheckUtils]: 23: Hoare triple {22867#true} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {22867#true} is VALID [2018-11-18 22:28:29,721 INFO L273 TraceCheckUtils]: 22: Hoare triple {22867#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {22867#true} is VALID [2018-11-18 22:28:29,721 INFO L273 TraceCheckUtils]: 21: Hoare triple {22867#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {22867#true} is VALID [2018-11-18 22:28:29,721 INFO L273 TraceCheckUtils]: 20: Hoare triple {22867#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {22867#true} is VALID [2018-11-18 22:28:29,721 INFO L273 TraceCheckUtils]: 19: Hoare triple {22867#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {22867#true} is VALID [2018-11-18 22:28:29,721 INFO L273 TraceCheckUtils]: 18: Hoare triple {22867#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {22867#true} is VALID [2018-11-18 22:28:29,722 INFO L273 TraceCheckUtils]: 17: Hoare triple {22867#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {22867#true} is VALID [2018-11-18 22:28:29,722 INFO L273 TraceCheckUtils]: 16: Hoare triple {22867#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {22867#true} is VALID [2018-11-18 22:28:29,722 INFO L273 TraceCheckUtils]: 15: Hoare triple {22867#true} assume !(0bv32 == ~main__scheme~0); {22867#true} is VALID [2018-11-18 22:28:29,722 INFO L273 TraceCheckUtils]: 14: Hoare triple {22867#true} assume ~bvsge32(~main__scheme~0, 0bv32); {22867#true} is VALID [2018-11-18 22:28:29,722 INFO L273 TraceCheckUtils]: 13: Hoare triple {22867#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {22867#true} is VALID [2018-11-18 22:28:29,722 INFO L273 TraceCheckUtils]: 12: Hoare triple {22867#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {22867#true} is VALID [2018-11-18 22:28:29,722 INFO L273 TraceCheckUtils]: 11: Hoare triple {22867#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {22867#true} is VALID [2018-11-18 22:28:29,722 INFO L273 TraceCheckUtils]: 10: Hoare triple {22867#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {22867#true} is VALID [2018-11-18 22:28:29,722 INFO L273 TraceCheckUtils]: 9: Hoare triple {22867#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {22867#true} is VALID [2018-11-18 22:28:29,723 INFO L273 TraceCheckUtils]: 8: Hoare triple {22867#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {22867#true} is VALID [2018-11-18 22:28:29,723 INFO L273 TraceCheckUtils]: 7: Hoare triple {22867#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {22867#true} is VALID [2018-11-18 22:28:29,723 INFO L273 TraceCheckUtils]: 6: Hoare triple {22867#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {22867#true} is VALID [2018-11-18 22:28:29,723 INFO L273 TraceCheckUtils]: 5: Hoare triple {22867#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {22867#true} is VALID [2018-11-18 22:28:29,723 INFO L256 TraceCheckUtils]: 4: Hoare triple {22867#true} call #t~ret8 := main(); {22867#true} is VALID [2018-11-18 22:28:29,723 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {22867#true} {22867#true} #215#return; {22867#true} is VALID [2018-11-18 22:28:29,723 INFO L273 TraceCheckUtils]: 2: Hoare triple {22867#true} assume true; {22867#true} is VALID [2018-11-18 22:28:29,723 INFO L273 TraceCheckUtils]: 1: Hoare triple {22867#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {22867#true} is VALID [2018-11-18 22:28:29,724 INFO L256 TraceCheckUtils]: 0: Hoare triple {22867#true} call ULTIMATE.init(); {22867#true} is VALID [2018-11-18 22:28:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:28:29,727 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:28:29,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 18 [2018-11-18 22:28:29,728 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 44 [2018-11-18 22:28:29,728 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:28:29,728 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states. [2018-11-18 22:28:30,090 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:30,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 22:28:30,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 22:28:30,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2018-11-18 22:28:30,091 INFO L87 Difference]: Start difference. First operand 138 states and 156 transitions. Second operand 18 states. [2018-11-18 22:28:32,864 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 23 [2018-11-18 22:28:33,329 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2018-11-18 22:28:34,501 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2018-11-18 22:28:35,609 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-11-18 22:28:36,732 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2018-11-18 22:28:45,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:45,495 INFO L93 Difference]: Finished difference Result 143 states and 161 transitions. [2018-11-18 22:28:45,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 22:28:45,496 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 44 [2018-11-18 22:28:45,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:28:45,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 22:28:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 81 transitions. [2018-11-18 22:28:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 22:28:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 81 transitions. [2018-11-18 22:28:45,497 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 81 transitions. [2018-11-18 22:28:46,185 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:46,187 INFO L225 Difference]: With dead ends: 143 [2018-11-18 22:28:46,187 INFO L226 Difference]: Without dead ends: 141 [2018-11-18 22:28:46,188 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2018-11-18 22:28:46,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-18 22:28:46,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 136. [2018-11-18 22:28:46,427 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:28:46,427 INFO L82 GeneralOperation]: Start isEquivalent. First operand 141 states. Second operand 136 states. [2018-11-18 22:28:46,427 INFO L74 IsIncluded]: Start isIncluded. First operand 141 states. Second operand 136 states. [2018-11-18 22:28:46,427 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 136 states. [2018-11-18 22:28:46,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:46,430 INFO L93 Difference]: Finished difference Result 141 states and 158 transitions. [2018-11-18 22:28:46,430 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 158 transitions. [2018-11-18 22:28:46,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:46,430 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:46,431 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 141 states. [2018-11-18 22:28:46,431 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 141 states. [2018-11-18 22:28:46,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:46,433 INFO L93 Difference]: Finished difference Result 141 states and 158 transitions. [2018-11-18 22:28:46,433 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 158 transitions. [2018-11-18 22:28:46,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:46,433 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:46,433 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:28:46,433 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:28:46,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-18 22:28:46,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 153 transitions. [2018-11-18 22:28:46,435 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 153 transitions. Word has length 44 [2018-11-18 22:28:46,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:28:46,435 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 153 transitions. [2018-11-18 22:28:46,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 22:28:46,435 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 153 transitions. [2018-11-18 22:28:46,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 22:28:46,436 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:28:46,436 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:28:46,436 INFO L423 AbstractCegarLoop]: === Iteration 29 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:28:46,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:28:46,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1201439652, now seen corresponding path program 1 times [2018-11-18 22:28:46,437 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:28:46,437 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 30 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:28:46,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:28:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:46,491 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:28:46,595 INFO L256 TraceCheckUtils]: 0: Hoare triple {23776#true} call ULTIMATE.init(); {23776#true} is VALID [2018-11-18 22:28:46,595 INFO L273 TraceCheckUtils]: 1: Hoare triple {23776#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {23776#true} is VALID [2018-11-18 22:28:46,596 INFO L273 TraceCheckUtils]: 2: Hoare triple {23776#true} assume true; {23776#true} is VALID [2018-11-18 22:28:46,596 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {23776#true} {23776#true} #215#return; {23776#true} is VALID [2018-11-18 22:28:46,596 INFO L256 TraceCheckUtils]: 4: Hoare triple {23776#true} call #t~ret8 := main(); {23776#true} is VALID [2018-11-18 22:28:46,596 INFO L273 TraceCheckUtils]: 5: Hoare triple {23776#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {23776#true} is VALID [2018-11-18 22:28:46,596 INFO L273 TraceCheckUtils]: 6: Hoare triple {23776#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {23776#true} is VALID [2018-11-18 22:28:46,596 INFO L273 TraceCheckUtils]: 7: Hoare triple {23776#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {23776#true} is VALID [2018-11-18 22:28:46,596 INFO L273 TraceCheckUtils]: 8: Hoare triple {23776#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {23776#true} is VALID [2018-11-18 22:28:46,596 INFO L273 TraceCheckUtils]: 9: Hoare triple {23776#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {23776#true} is VALID [2018-11-18 22:28:46,597 INFO L273 TraceCheckUtils]: 10: Hoare triple {23776#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {23776#true} is VALID [2018-11-18 22:28:46,597 INFO L273 TraceCheckUtils]: 11: Hoare triple {23776#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {23776#true} is VALID [2018-11-18 22:28:46,597 INFO L273 TraceCheckUtils]: 12: Hoare triple {23776#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {23776#true} is VALID [2018-11-18 22:28:46,597 INFO L273 TraceCheckUtils]: 13: Hoare triple {23776#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {23776#true} is VALID [2018-11-18 22:28:46,597 INFO L273 TraceCheckUtils]: 14: Hoare triple {23776#true} assume ~bvsge32(~main__scheme~0, 0bv32); {23776#true} is VALID [2018-11-18 22:28:46,597 INFO L273 TraceCheckUtils]: 15: Hoare triple {23776#true} assume !(0bv32 == ~main__scheme~0); {23776#true} is VALID [2018-11-18 22:28:46,597 INFO L273 TraceCheckUtils]: 16: Hoare triple {23776#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {23776#true} is VALID [2018-11-18 22:28:46,597 INFO L273 TraceCheckUtils]: 17: Hoare triple {23776#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {23776#true} is VALID [2018-11-18 22:28:46,598 INFO L273 TraceCheckUtils]: 18: Hoare triple {23776#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {23776#true} is VALID [2018-11-18 22:28:46,598 INFO L273 TraceCheckUtils]: 19: Hoare triple {23776#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {23776#true} is VALID [2018-11-18 22:28:46,598 INFO L273 TraceCheckUtils]: 20: Hoare triple {23776#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {23776#true} is VALID [2018-11-18 22:28:46,598 INFO L273 TraceCheckUtils]: 21: Hoare triple {23776#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {23776#true} is VALID [2018-11-18 22:28:46,598 INFO L273 TraceCheckUtils]: 22: Hoare triple {23776#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {23776#true} is VALID [2018-11-18 22:28:46,598 INFO L273 TraceCheckUtils]: 23: Hoare triple {23776#true} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {23776#true} is VALID [2018-11-18 22:28:46,598 INFO L273 TraceCheckUtils]: 24: Hoare triple {23776#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {23776#true} is VALID [2018-11-18 22:28:46,598 INFO L273 TraceCheckUtils]: 25: Hoare triple {23776#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {23776#true} is VALID [2018-11-18 22:28:46,598 INFO L273 TraceCheckUtils]: 26: Hoare triple {23776#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {23776#true} is VALID [2018-11-18 22:28:46,599 INFO L273 TraceCheckUtils]: 27: Hoare triple {23776#true} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {23776#true} is VALID [2018-11-18 22:28:46,599 INFO L273 TraceCheckUtils]: 28: Hoare triple {23776#true} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {23776#true} is VALID [2018-11-18 22:28:46,599 INFO L273 TraceCheckUtils]: 29: Hoare triple {23776#true} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {23776#true} is VALID [2018-11-18 22:28:46,599 INFO L273 TraceCheckUtils]: 30: Hoare triple {23776#true} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {23776#true} is VALID [2018-11-18 22:28:46,599 INFO L273 TraceCheckUtils]: 31: Hoare triple {23776#true} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {23776#true} is VALID [2018-11-18 22:28:46,600 INFO L273 TraceCheckUtils]: 32: Hoare triple {23776#true} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {23877#(or (and (= main_~__VERIFIER_assert__cond~9 (_ bv0 32)) (not (bvsle (_ bv0 32) main_~main__cp~0))) (and (bvsle (_ bv0 32) main_~main__cp~0) (= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))))} is VALID [2018-11-18 22:28:46,600 INFO L273 TraceCheckUtils]: 33: Hoare triple {23877#(or (and (= main_~__VERIFIER_assert__cond~9 (_ bv0 32)) (not (bvsle (_ bv0 32) main_~main__cp~0))) (and (bvsle (_ bv0 32) main_~main__cp~0) (= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {23881#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:46,601 INFO L273 TraceCheckUtils]: 34: Hoare triple {23881#(bvsle (_ bv0 32) main_~main__cp~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {23881#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:46,601 INFO L273 TraceCheckUtils]: 35: Hoare triple {23881#(bvsle (_ bv0 32) main_~main__cp~0)} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {23881#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:46,601 INFO L273 TraceCheckUtils]: 36: Hoare triple {23881#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {23881#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:46,602 INFO L273 TraceCheckUtils]: 37: Hoare triple {23881#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {23881#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:46,602 INFO L273 TraceCheckUtils]: 38: Hoare triple {23881#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {23881#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:46,602 INFO L273 TraceCheckUtils]: 39: Hoare triple {23881#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__c~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {23881#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:46,602 INFO L273 TraceCheckUtils]: 40: Hoare triple {23881#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {23881#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:46,603 INFO L273 TraceCheckUtils]: 41: Hoare triple {23881#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {23906#(= (bvadd main_~__VERIFIER_assert__cond~15 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:28:46,603 INFO L273 TraceCheckUtils]: 42: Hoare triple {23906#(= (bvadd main_~__VERIFIER_assert__cond~15 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~15; {23777#false} is VALID [2018-11-18 22:28:46,603 INFO L273 TraceCheckUtils]: 43: Hoare triple {23777#false} assume !false; {23777#false} is VALID [2018-11-18 22:28:46,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:28:46,605 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:28:46,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:28:46,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:28:46,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-11-18 22:28:46,607 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:28:46,607 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:28:46,655 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:46,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:28:46,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:28:46,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:28:46,656 INFO L87 Difference]: Start difference. First operand 136 states and 153 transitions. Second operand 5 states. [2018-11-18 22:28:47,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:47,511 INFO L93 Difference]: Finished difference Result 158 states and 176 transitions. [2018-11-18 22:28:47,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 22:28:47,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-11-18 22:28:47,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:28:47,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:28:47,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2018-11-18 22:28:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:28:47,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2018-11-18 22:28:47,512 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 98 transitions. [2018-11-18 22:28:47,616 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:47,619 INFO L225 Difference]: With dead ends: 158 [2018-11-18 22:28:47,619 INFO L226 Difference]: Without dead ends: 156 [2018-11-18 22:28:47,620 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 22:28:47,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-18 22:28:47,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 137. [2018-11-18 22:28:47,816 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:28:47,816 INFO L82 GeneralOperation]: Start isEquivalent. First operand 156 states. Second operand 137 states. [2018-11-18 22:28:47,816 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand 137 states. [2018-11-18 22:28:47,816 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 137 states. [2018-11-18 22:28:47,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:47,819 INFO L93 Difference]: Finished difference Result 156 states and 174 transitions. [2018-11-18 22:28:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 174 transitions. [2018-11-18 22:28:47,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:47,820 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:47,820 INFO L74 IsIncluded]: Start isIncluded. First operand 137 states. Second operand 156 states. [2018-11-18 22:28:47,820 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 156 states. [2018-11-18 22:28:47,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:28:47,822 INFO L93 Difference]: Finished difference Result 156 states and 174 transitions. [2018-11-18 22:28:47,822 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 174 transitions. [2018-11-18 22:28:47,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:28:47,823 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:28:47,823 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:28:47,823 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:28:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-18 22:28:47,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 154 transitions. [2018-11-18 22:28:47,825 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 154 transitions. Word has length 44 [2018-11-18 22:28:47,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:28:47,825 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 154 transitions. [2018-11-18 22:28:47,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:28:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 154 transitions. [2018-11-18 22:28:47,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 22:28:47,826 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:28:47,826 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:28:47,827 INFO L423 AbstractCegarLoop]: === Iteration 30 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:28:47,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:28:47,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1656793438, now seen corresponding path program 1 times [2018-11-18 22:28:47,827 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:28:47,827 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 31 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:28:47,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:28:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:28:47,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:28:48,172 INFO L256 TraceCheckUtils]: 0: Hoare triple {24573#true} call ULTIMATE.init(); {24573#true} is VALID [2018-11-18 22:28:48,173 INFO L273 TraceCheckUtils]: 1: Hoare triple {24573#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {24573#true} is VALID [2018-11-18 22:28:48,173 INFO L273 TraceCheckUtils]: 2: Hoare triple {24573#true} assume true; {24573#true} is VALID [2018-11-18 22:28:48,173 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {24573#true} {24573#true} #215#return; {24573#true} is VALID [2018-11-18 22:28:48,173 INFO L256 TraceCheckUtils]: 4: Hoare triple {24573#true} call #t~ret8 := main(); {24573#true} is VALID [2018-11-18 22:28:48,173 INFO L273 TraceCheckUtils]: 5: Hoare triple {24573#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {24573#true} is VALID [2018-11-18 22:28:48,174 INFO L273 TraceCheckUtils]: 6: Hoare triple {24573#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {24573#true} is VALID [2018-11-18 22:28:48,174 INFO L273 TraceCheckUtils]: 7: Hoare triple {24573#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {24573#true} is VALID [2018-11-18 22:28:48,174 INFO L273 TraceCheckUtils]: 8: Hoare triple {24573#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {24573#true} is VALID [2018-11-18 22:28:48,174 INFO L273 TraceCheckUtils]: 9: Hoare triple {24573#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {24573#true} is VALID [2018-11-18 22:28:48,175 INFO L273 TraceCheckUtils]: 10: Hoare triple {24573#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {24608#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:48,175 INFO L273 TraceCheckUtils]: 11: Hoare triple {24608#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {24608#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:48,176 INFO L273 TraceCheckUtils]: 12: Hoare triple {24608#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {24608#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:48,176 INFO L273 TraceCheckUtils]: 13: Hoare triple {24608#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {24608#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:28:48,176 INFO L273 TraceCheckUtils]: 14: Hoare triple {24608#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsge32(~main__scheme~0, 0bv32); {24621#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:48,177 INFO L273 TraceCheckUtils]: 15: Hoare triple {24621#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !(0bv32 == ~main__scheme~0); {24621#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:48,179 INFO L273 TraceCheckUtils]: 16: Hoare triple {24621#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:48,179 INFO L273 TraceCheckUtils]: 17: Hoare triple {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:48,180 INFO L273 TraceCheckUtils]: 18: Hoare triple {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:48,180 INFO L273 TraceCheckUtils]: 19: Hoare triple {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:48,181 INFO L273 TraceCheckUtils]: 20: Hoare triple {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:48,181 INFO L273 TraceCheckUtils]: 21: Hoare triple {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:48,181 INFO L273 TraceCheckUtils]: 22: Hoare triple {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:48,182 INFO L273 TraceCheckUtils]: 23: Hoare triple {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:48,182 INFO L273 TraceCheckUtils]: 24: Hoare triple {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:28:48,188 INFO L273 TraceCheckUtils]: 25: Hoare triple {24628#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {24656#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,189 INFO L273 TraceCheckUtils]: 26: Hoare triple {24656#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {24656#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,189 INFO L273 TraceCheckUtils]: 27: Hoare triple {24656#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {24656#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,190 INFO L273 TraceCheckUtils]: 28: Hoare triple {24656#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {24656#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,203 INFO L273 TraceCheckUtils]: 29: Hoare triple {24656#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {24669#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,203 INFO L273 TraceCheckUtils]: 30: Hoare triple {24669#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {24669#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,204 INFO L273 TraceCheckUtils]: 31: Hoare triple {24669#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {24669#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,204 INFO L273 TraceCheckUtils]: 32: Hoare triple {24669#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {24669#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,216 INFO L273 TraceCheckUtils]: 33: Hoare triple {24669#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {24682#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,216 INFO L273 TraceCheckUtils]: 34: Hoare triple {24682#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {24682#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,217 INFO L273 TraceCheckUtils]: 35: Hoare triple {24682#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {24682#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,217 INFO L273 TraceCheckUtils]: 36: Hoare triple {24682#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {24682#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,225 INFO L273 TraceCheckUtils]: 37: Hoare triple {24682#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {24695#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,225 INFO L273 TraceCheckUtils]: 38: Hoare triple {24695#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {24695#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,226 INFO L273 TraceCheckUtils]: 39: Hoare triple {24695#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {24695#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,226 INFO L273 TraceCheckUtils]: 40: Hoare triple {24695#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {24695#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:28:48,227 INFO L273 TraceCheckUtils]: 41: Hoare triple {24695#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {24708#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:28:48,228 INFO L273 TraceCheckUtils]: 42: Hoare triple {24708#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {24574#false} is VALID [2018-11-18 22:28:48,228 INFO L273 TraceCheckUtils]: 43: Hoare triple {24574#false} assume !false; {24574#false} is VALID [2018-11-18 22:28:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:28:48,231 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:28:48,488 INFO L273 TraceCheckUtils]: 43: Hoare triple {24574#false} assume !false; {24574#false} is VALID [2018-11-18 22:28:48,488 INFO L273 TraceCheckUtils]: 42: Hoare triple {24718#(not (= main_~__VERIFIER_assert__cond~5 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {24574#false} is VALID [2018-11-18 22:28:48,488 INFO L273 TraceCheckUtils]: 41: Hoare triple {24722#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {24718#(not (= main_~__VERIFIER_assert__cond~5 (_ bv0 32)))} is VALID [2018-11-18 22:28:48,489 INFO L273 TraceCheckUtils]: 40: Hoare triple {24722#(bvsle (_ bv0 32) main_~main__cp~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {24722#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:48,489 INFO L273 TraceCheckUtils]: 39: Hoare triple {24722#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {24722#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:48,490 INFO L273 TraceCheckUtils]: 38: Hoare triple {24722#(bvsle (_ bv0 32) main_~main__cp~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {24722#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:48,490 INFO L273 TraceCheckUtils]: 37: Hoare triple {24735#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {24722#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:28:48,491 INFO L273 TraceCheckUtils]: 36: Hoare triple {24735#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {24735#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:28:48,491 INFO L273 TraceCheckUtils]: 35: Hoare triple {24735#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {24735#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:28:48,492 INFO L273 TraceCheckUtils]: 34: Hoare triple {24735#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {24735#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:28:48,494 INFO L273 TraceCheckUtils]: 33: Hoare triple {24748#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {24735#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:28:48,495 INFO L273 TraceCheckUtils]: 32: Hoare triple {24748#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {24748#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:28:48,496 INFO L273 TraceCheckUtils]: 31: Hoare triple {24748#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {24748#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:28:48,496 INFO L273 TraceCheckUtils]: 30: Hoare triple {24748#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {24748#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:28:48,498 INFO L273 TraceCheckUtils]: 29: Hoare triple {24761#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {24748#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:28:48,498 INFO L273 TraceCheckUtils]: 28: Hoare triple {24761#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {24761#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} is VALID [2018-11-18 22:28:48,499 INFO L273 TraceCheckUtils]: 27: Hoare triple {24761#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {24761#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} is VALID [2018-11-18 22:28:48,499 INFO L273 TraceCheckUtils]: 26: Hoare triple {24761#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {24761#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} is VALID [2018-11-18 22:28:48,502 INFO L273 TraceCheckUtils]: 25: Hoare triple {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {24761#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} is VALID [2018-11-18 22:28:48,503 INFO L273 TraceCheckUtils]: 24: Hoare triple {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:48,503 INFO L273 TraceCheckUtils]: 23: Hoare triple {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:48,503 INFO L273 TraceCheckUtils]: 22: Hoare triple {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:48,504 INFO L273 TraceCheckUtils]: 21: Hoare triple {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:48,504 INFO L273 TraceCheckUtils]: 20: Hoare triple {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:48,505 INFO L273 TraceCheckUtils]: 19: Hoare triple {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:48,505 INFO L273 TraceCheckUtils]: 18: Hoare triple {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:48,505 INFO L273 TraceCheckUtils]: 17: Hoare triple {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:48,506 INFO L273 TraceCheckUtils]: 16: Hoare triple {24802#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {24774#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:48,506 INFO L273 TraceCheckUtils]: 15: Hoare triple {24802#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32)))} assume !(0bv32 == ~main__scheme~0); {24802#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:48,507 INFO L273 TraceCheckUtils]: 14: Hoare triple {24809#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} assume ~bvsge32(~main__scheme~0, 0bv32); {24802#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32)))} is VALID [2018-11-18 22:28:48,507 INFO L273 TraceCheckUtils]: 13: Hoare triple {24809#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {24809#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} is VALID [2018-11-18 22:28:48,524 INFO L273 TraceCheckUtils]: 12: Hoare triple {24809#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} assume ~bvsgt32(~main__urilen~0, 0bv32); {24809#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} is VALID [2018-11-18 22:28:48,527 INFO L273 TraceCheckUtils]: 11: Hoare triple {24809#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {24809#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} is VALID [2018-11-18 22:28:48,528 INFO L273 TraceCheckUtils]: 10: Hoare triple {24573#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {24809#(or (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv4 32))) (not (bvsge main_~main__scheme~0 (_ bv0 32))))} is VALID [2018-11-18 22:28:48,528 INFO L273 TraceCheckUtils]: 9: Hoare triple {24573#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {24573#true} is VALID [2018-11-18 22:28:48,528 INFO L273 TraceCheckUtils]: 8: Hoare triple {24573#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {24573#true} is VALID [2018-11-18 22:28:48,528 INFO L273 TraceCheckUtils]: 7: Hoare triple {24573#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {24573#true} is VALID [2018-11-18 22:28:48,528 INFO L273 TraceCheckUtils]: 6: Hoare triple {24573#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {24573#true} is VALID [2018-11-18 22:28:48,528 INFO L273 TraceCheckUtils]: 5: Hoare triple {24573#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {24573#true} is VALID [2018-11-18 22:28:48,528 INFO L256 TraceCheckUtils]: 4: Hoare triple {24573#true} call #t~ret8 := main(); {24573#true} is VALID [2018-11-18 22:28:48,528 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {24573#true} {24573#true} #215#return; {24573#true} is VALID [2018-11-18 22:28:48,529 INFO L273 TraceCheckUtils]: 2: Hoare triple {24573#true} assume true; {24573#true} is VALID [2018-11-18 22:28:48,529 INFO L273 TraceCheckUtils]: 1: Hoare triple {24573#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {24573#true} is VALID [2018-11-18 22:28:48,529 INFO L256 TraceCheckUtils]: 0: Hoare triple {24573#true} call ULTIMATE.init(); {24573#true} is VALID [2018-11-18 22:28:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:28:48,532 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:28:48,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-11-18 22:28:48,533 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 44 [2018-11-18 22:28:48,533 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:28:48,533 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states. [2018-11-18 22:28:48,667 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:28:48,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 22:28:48,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 22:28:48,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2018-11-18 22:28:48,668 INFO L87 Difference]: Start difference. First operand 137 states and 154 transitions. Second operand 18 states. [2018-11-18 22:29:00,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:00,578 INFO L93 Difference]: Finished difference Result 703 states and 772 transitions. [2018-11-18 22:29:00,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-18 22:29:00,578 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 44 [2018-11-18 22:29:00,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:29:00,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 22:29:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 540 transitions. [2018-11-18 22:29:00,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 22:29:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 540 transitions. [2018-11-18 22:29:00,584 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states and 540 transitions. [2018-11-18 22:29:01,746 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 540 edges. 540 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:01,771 INFO L225 Difference]: With dead ends: 703 [2018-11-18 22:29:01,771 INFO L226 Difference]: Without dead ends: 701 [2018-11-18 22:29:01,772 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=714, Invalid=2042, Unknown=0, NotChecked=0, Total=2756 [2018-11-18 22:29:01,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2018-11-18 22:29:02,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 140. [2018-11-18 22:29:02,409 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:29:02,410 INFO L82 GeneralOperation]: Start isEquivalent. First operand 701 states. Second operand 140 states. [2018-11-18 22:29:02,410 INFO L74 IsIncluded]: Start isIncluded. First operand 701 states. Second operand 140 states. [2018-11-18 22:29:02,410 INFO L87 Difference]: Start difference. First operand 701 states. Second operand 140 states. [2018-11-18 22:29:02,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:02,433 INFO L93 Difference]: Finished difference Result 701 states and 765 transitions. [2018-11-18 22:29:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 765 transitions. [2018-11-18 22:29:02,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:02,434 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:02,434 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 701 states. [2018-11-18 22:29:02,434 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 701 states. [2018-11-18 22:29:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:02,458 INFO L93 Difference]: Finished difference Result 701 states and 765 transitions. [2018-11-18 22:29:02,458 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 765 transitions. [2018-11-18 22:29:02,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:02,459 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:02,459 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:29:02,459 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:29:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-18 22:29:02,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 156 transitions. [2018-11-18 22:29:02,461 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 156 transitions. Word has length 44 [2018-11-18 22:29:02,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:29:02,462 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 156 transitions. [2018-11-18 22:29:02,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 22:29:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 156 transitions. [2018-11-18 22:29:02,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 22:29:02,462 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:29:02,462 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:29:02,463 INFO L423 AbstractCegarLoop]: === Iteration 31 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:29:02,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:29:02,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1785912422, now seen corresponding path program 1 times [2018-11-18 22:29:02,463 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:29:02,463 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 32 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:29:02,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:29:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:02,558 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:29:02,741 INFO L256 TraceCheckUtils]: 0: Hoare triple {27290#true} call ULTIMATE.init(); {27290#true} is VALID [2018-11-18 22:29:02,742 INFO L273 TraceCheckUtils]: 1: Hoare triple {27290#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {27290#true} is VALID [2018-11-18 22:29:02,742 INFO L273 TraceCheckUtils]: 2: Hoare triple {27290#true} assume true; {27290#true} is VALID [2018-11-18 22:29:02,742 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {27290#true} {27290#true} #215#return; {27290#true} is VALID [2018-11-18 22:29:02,742 INFO L256 TraceCheckUtils]: 4: Hoare triple {27290#true} call #t~ret8 := main(); {27290#true} is VALID [2018-11-18 22:29:02,742 INFO L273 TraceCheckUtils]: 5: Hoare triple {27290#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {27290#true} is VALID [2018-11-18 22:29:02,742 INFO L273 TraceCheckUtils]: 6: Hoare triple {27290#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {27290#true} is VALID [2018-11-18 22:29:02,742 INFO L273 TraceCheckUtils]: 7: Hoare triple {27290#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {27290#true} is VALID [2018-11-18 22:29:02,742 INFO L273 TraceCheckUtils]: 8: Hoare triple {27290#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {27290#true} is VALID [2018-11-18 22:29:02,743 INFO L273 TraceCheckUtils]: 9: Hoare triple {27290#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {27290#true} is VALID [2018-11-18 22:29:02,743 INFO L273 TraceCheckUtils]: 10: Hoare triple {27290#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {27325#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:02,743 INFO L273 TraceCheckUtils]: 11: Hoare triple {27325#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {27325#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:02,744 INFO L273 TraceCheckUtils]: 12: Hoare triple {27325#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {27325#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:02,744 INFO L273 TraceCheckUtils]: 13: Hoare triple {27325#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {27325#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:02,744 INFO L273 TraceCheckUtils]: 14: Hoare triple {27325#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsge32(~main__scheme~0, 0bv32); {27338#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,745 INFO L273 TraceCheckUtils]: 15: Hoare triple {27338#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !(0bv32 == ~main__scheme~0); {27338#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,747 INFO L273 TraceCheckUtils]: 16: Hoare triple {27338#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,747 INFO L273 TraceCheckUtils]: 17: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,748 INFO L273 TraceCheckUtils]: 18: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,748 INFO L273 TraceCheckUtils]: 19: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,749 INFO L273 TraceCheckUtils]: 20: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,750 INFO L273 TraceCheckUtils]: 21: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,750 INFO L273 TraceCheckUtils]: 22: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,751 INFO L273 TraceCheckUtils]: 23: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,752 INFO L273 TraceCheckUtils]: 24: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,753 INFO L273 TraceCheckUtils]: 25: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,753 INFO L273 TraceCheckUtils]: 26: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,754 INFO L273 TraceCheckUtils]: 27: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,755 INFO L273 TraceCheckUtils]: 28: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,755 INFO L273 TraceCheckUtils]: 29: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:02,762 INFO L273 TraceCheckUtils]: 30: Hoare triple {27345#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:02,763 INFO L273 TraceCheckUtils]: 31: Hoare triple {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:02,763 INFO L273 TraceCheckUtils]: 32: Hoare triple {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:02,764 INFO L273 TraceCheckUtils]: 33: Hoare triple {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:02,764 INFO L273 TraceCheckUtils]: 34: Hoare triple {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:02,764 INFO L273 TraceCheckUtils]: 35: Hoare triple {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:02,765 INFO L273 TraceCheckUtils]: 36: Hoare triple {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:02,766 INFO L273 TraceCheckUtils]: 37: Hoare triple {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:02,766 INFO L273 TraceCheckUtils]: 38: Hoare triple {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_3~0); {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:02,776 INFO L273 TraceCheckUtils]: 39: Hoare triple {27388#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} ~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {27416#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:02,777 INFO L273 TraceCheckUtils]: 40: Hoare triple {27416#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {27416#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:02,777 INFO L273 TraceCheckUtils]: 41: Hoare triple {27416#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {27416#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:02,778 INFO L273 TraceCheckUtils]: 42: Hoare triple {27416#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {27426#(= (bvadd main_~__VERIFIER_assert__cond~11 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:29:02,779 INFO L273 TraceCheckUtils]: 43: Hoare triple {27426#(= (bvadd main_~__VERIFIER_assert__cond~11 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~11; {27291#false} is VALID [2018-11-18 22:29:02,779 INFO L273 TraceCheckUtils]: 44: Hoare triple {27291#false} assume !false; {27291#false} is VALID [2018-11-18 22:29:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:29:02,782 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:29:02,994 INFO L273 TraceCheckUtils]: 44: Hoare triple {27291#false} assume !false; {27291#false} is VALID [2018-11-18 22:29:02,994 INFO L273 TraceCheckUtils]: 43: Hoare triple {27436#(not (= main_~__VERIFIER_assert__cond~11 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~11; {27291#false} is VALID [2018-11-18 22:29:02,995 INFO L273 TraceCheckUtils]: 42: Hoare triple {27440#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {27436#(not (= main_~__VERIFIER_assert__cond~11 (_ bv0 32)))} is VALID [2018-11-18 22:29:02,996 INFO L273 TraceCheckUtils]: 41: Hoare triple {27440#(bvsle (_ bv0 32) main_~main__cp~0)} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {27440#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:29:02,996 INFO L273 TraceCheckUtils]: 40: Hoare triple {27440#(bvsle (_ bv0 32) main_~main__cp~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {27440#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:29:02,997 INFO L273 TraceCheckUtils]: 39: Hoare triple {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} ~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {27440#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:29:02,997 INFO L273 TraceCheckUtils]: 38: Hoare triple {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_3~0); {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:02,998 INFO L273 TraceCheckUtils]: 37: Hoare triple {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:02,998 INFO L273 TraceCheckUtils]: 36: Hoare triple {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:02,999 INFO L273 TraceCheckUtils]: 35: Hoare triple {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:02,999 INFO L273 TraceCheckUtils]: 34: Hoare triple {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:03,000 INFO L273 TraceCheckUtils]: 33: Hoare triple {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:03,000 INFO L273 TraceCheckUtils]: 32: Hoare triple {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:03,001 INFO L273 TraceCheckUtils]: 31: Hoare triple {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:03,005 INFO L273 TraceCheckUtils]: 30: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {27450#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:03,005 INFO L273 TraceCheckUtils]: 29: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,006 INFO L273 TraceCheckUtils]: 28: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,006 INFO L273 TraceCheckUtils]: 27: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,006 INFO L273 TraceCheckUtils]: 26: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,007 INFO L273 TraceCheckUtils]: 25: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,007 INFO L273 TraceCheckUtils]: 24: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,007 INFO L273 TraceCheckUtils]: 23: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,008 INFO L273 TraceCheckUtils]: 22: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,008 INFO L273 TraceCheckUtils]: 21: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,008 INFO L273 TraceCheckUtils]: 20: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,009 INFO L273 TraceCheckUtils]: 19: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,009 INFO L273 TraceCheckUtils]: 18: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,009 INFO L273 TraceCheckUtils]: 17: Hoare triple {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,013 INFO L273 TraceCheckUtils]: 16: Hoare triple {27521#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {27478#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,013 INFO L273 TraceCheckUtils]: 15: Hoare triple {27521#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32)))} assume !(0bv32 == ~main__scheme~0); {27521#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,013 INFO L273 TraceCheckUtils]: 14: Hoare triple {27528#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} assume ~bvsge32(~main__scheme~0, 0bv32); {27521#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:03,014 INFO L273 TraceCheckUtils]: 13: Hoare triple {27528#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {27528#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} is VALID [2018-11-18 22:29:03,014 INFO L273 TraceCheckUtils]: 12: Hoare triple {27528#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} assume ~bvsgt32(~main__urilen~0, 0bv32); {27528#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} is VALID [2018-11-18 22:29:03,014 INFO L273 TraceCheckUtils]: 11: Hoare triple {27528#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {27528#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} is VALID [2018-11-18 22:29:03,015 INFO L273 TraceCheckUtils]: 10: Hoare triple {27290#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {27528#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv2 32))))} is VALID [2018-11-18 22:29:03,015 INFO L273 TraceCheckUtils]: 9: Hoare triple {27290#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {27290#true} is VALID [2018-11-18 22:29:03,015 INFO L273 TraceCheckUtils]: 8: Hoare triple {27290#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {27290#true} is VALID [2018-11-18 22:29:03,016 INFO L273 TraceCheckUtils]: 7: Hoare triple {27290#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {27290#true} is VALID [2018-11-18 22:29:03,016 INFO L273 TraceCheckUtils]: 6: Hoare triple {27290#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {27290#true} is VALID [2018-11-18 22:29:03,016 INFO L273 TraceCheckUtils]: 5: Hoare triple {27290#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {27290#true} is VALID [2018-11-18 22:29:03,016 INFO L256 TraceCheckUtils]: 4: Hoare triple {27290#true} call #t~ret8 := main(); {27290#true} is VALID [2018-11-18 22:29:03,016 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {27290#true} {27290#true} #215#return; {27290#true} is VALID [2018-11-18 22:29:03,017 INFO L273 TraceCheckUtils]: 2: Hoare triple {27290#true} assume true; {27290#true} is VALID [2018-11-18 22:29:03,017 INFO L273 TraceCheckUtils]: 1: Hoare triple {27290#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {27290#true} is VALID [2018-11-18 22:29:03,017 INFO L256 TraceCheckUtils]: 0: Hoare triple {27290#true} call ULTIMATE.init(); {27290#true} is VALID [2018-11-18 22:29:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:29:03,024 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:29:03,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-18 22:29:03,025 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 45 [2018-11-18 22:29:03,025 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:29:03,025 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-18 22:29:03,168 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:03,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 22:29:03,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 22:29:03,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-11-18 22:29:03,169 INFO L87 Difference]: Start difference. First operand 140 states and 156 transitions. Second operand 14 states. [2018-11-18 22:29:08,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:08,960 INFO L93 Difference]: Finished difference Result 406 states and 448 transitions. [2018-11-18 22:29:08,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 22:29:08,960 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 45 [2018-11-18 22:29:08,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:29:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-18 22:29:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 319 transitions. [2018-11-18 22:29:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-18 22:29:08,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 319 transitions. [2018-11-18 22:29:08,964 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states and 319 transitions. [2018-11-18 22:29:09,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 319 edges. 319 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:09,567 INFO L225 Difference]: With dead ends: 406 [2018-11-18 22:29:09,567 INFO L226 Difference]: Without dead ends: 404 [2018-11-18 22:29:09,568 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=258, Invalid=798, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 22:29:09,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-11-18 22:29:10,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 274. [2018-11-18 22:29:10,478 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:29:10,478 INFO L82 GeneralOperation]: Start isEquivalent. First operand 404 states. Second operand 274 states. [2018-11-18 22:29:10,478 INFO L74 IsIncluded]: Start isIncluded. First operand 404 states. Second operand 274 states. [2018-11-18 22:29:10,478 INFO L87 Difference]: Start difference. First operand 404 states. Second operand 274 states. [2018-11-18 22:29:10,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:10,486 INFO L93 Difference]: Finished difference Result 404 states and 437 transitions. [2018-11-18 22:29:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 437 transitions. [2018-11-18 22:29:10,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:10,487 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:10,487 INFO L74 IsIncluded]: Start isIncluded. First operand 274 states. Second operand 404 states. [2018-11-18 22:29:10,487 INFO L87 Difference]: Start difference. First operand 274 states. Second operand 404 states. [2018-11-18 22:29:10,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:10,495 INFO L93 Difference]: Finished difference Result 404 states and 437 transitions. [2018-11-18 22:29:10,495 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 437 transitions. [2018-11-18 22:29:10,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:10,495 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:10,495 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:29:10,496 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:29:10,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-11-18 22:29:10,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 312 transitions. [2018-11-18 22:29:10,500 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 312 transitions. Word has length 45 [2018-11-18 22:29:10,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:29:10,500 INFO L480 AbstractCegarLoop]: Abstraction has 274 states and 312 transitions. [2018-11-18 22:29:10,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 22:29:10,500 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 312 transitions. [2018-11-18 22:29:10,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 22:29:10,501 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:29:10,501 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:29:10,501 INFO L423 AbstractCegarLoop]: === Iteration 32 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:29:10,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:29:10,501 INFO L82 PathProgramCache]: Analyzing trace with hash -227739928, now seen corresponding path program 2 times [2018-11-18 22:29:10,501 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:29:10,502 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 33 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:29:10,517 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-18 22:29:10,556 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-18 22:29:10,556 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 22:29:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:10,570 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:29:10,922 INFO L256 TraceCheckUtils]: 0: Hoare triple {29211#true} call ULTIMATE.init(); {29211#true} is VALID [2018-11-18 22:29:10,922 INFO L273 TraceCheckUtils]: 1: Hoare triple {29211#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {29211#true} is VALID [2018-11-18 22:29:10,922 INFO L273 TraceCheckUtils]: 2: Hoare triple {29211#true} assume true; {29211#true} is VALID [2018-11-18 22:29:10,922 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {29211#true} {29211#true} #215#return; {29211#true} is VALID [2018-11-18 22:29:10,922 INFO L256 TraceCheckUtils]: 4: Hoare triple {29211#true} call #t~ret8 := main(); {29211#true} is VALID [2018-11-18 22:29:10,922 INFO L273 TraceCheckUtils]: 5: Hoare triple {29211#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {29211#true} is VALID [2018-11-18 22:29:10,923 INFO L273 TraceCheckUtils]: 6: Hoare triple {29211#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {29234#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:10,923 INFO L273 TraceCheckUtils]: 7: Hoare triple {29234#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {29234#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:10,923 INFO L273 TraceCheckUtils]: 8: Hoare triple {29234#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {29234#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:10,924 INFO L273 TraceCheckUtils]: 9: Hoare triple {29234#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {29234#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:10,924 INFO L273 TraceCheckUtils]: 10: Hoare triple {29234#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {29234#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:10,924 INFO L273 TraceCheckUtils]: 11: Hoare triple {29234#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {29234#(bvsle main_~main__urilen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:10,925 INFO L273 TraceCheckUtils]: 12: Hoare triple {29234#(bvsle main_~main__urilen~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,925 INFO L273 TraceCheckUtils]: 13: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,926 INFO L273 TraceCheckUtils]: 14: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~bvsge32(~main__scheme~0, 0bv32); {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,926 INFO L273 TraceCheckUtils]: 15: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~main__scheme~0); {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,927 INFO L273 TraceCheckUtils]: 16: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,928 INFO L273 TraceCheckUtils]: 17: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,928 INFO L273 TraceCheckUtils]: 18: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,929 INFO L273 TraceCheckUtils]: 19: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,930 INFO L273 TraceCheckUtils]: 20: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,931 INFO L273 TraceCheckUtils]: 21: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,931 INFO L273 TraceCheckUtils]: 22: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,932 INFO L273 TraceCheckUtils]: 23: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,933 INFO L273 TraceCheckUtils]: 24: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,933 INFO L273 TraceCheckUtils]: 25: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,934 INFO L273 TraceCheckUtils]: 26: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,935 INFO L273 TraceCheckUtils]: 27: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,935 INFO L273 TraceCheckUtils]: 28: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,936 INFO L273 TraceCheckUtils]: 29: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,937 INFO L273 TraceCheckUtils]: 30: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,938 INFO L273 TraceCheckUtils]: 31: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,938 INFO L273 TraceCheckUtils]: 32: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,939 INFO L273 TraceCheckUtils]: 33: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,940 INFO L273 TraceCheckUtils]: 34: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,940 INFO L273 TraceCheckUtils]: 35: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,941 INFO L273 TraceCheckUtils]: 36: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,942 INFO L273 TraceCheckUtils]: 37: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,942 INFO L273 TraceCheckUtils]: 38: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,943 INFO L273 TraceCheckUtils]: 39: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:10,949 INFO L273 TraceCheckUtils]: 40: Hoare triple {29253#(and (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {29338#(or (and (exists ((main_~main__urilen~0 (_ BitVec 32))) (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))) (= main_~__VERIFIER_assert__cond~4 (_ bv0 32))) (and (= (bvadd main_~__VERIFIER_assert__cond~4 (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_prenex_1 (_ BitVec 32))) (and (bvsgt v_prenex_1 (_ bv0 32)) (bvslt main_~main__cp~0 v_prenex_1) (bvsle v_prenex_1 (_ bv1000000 32))))))} is VALID [2018-11-18 22:29:10,951 INFO L273 TraceCheckUtils]: 41: Hoare triple {29338#(or (and (exists ((main_~main__urilen~0 (_ BitVec 32))) (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (bvsle main_~main__urilen~0 (_ bv1000000 32)) (bvsgt main_~main__urilen~0 (_ bv0 32)))) (= main_~__VERIFIER_assert__cond~4 (_ bv0 32))) (and (= (bvadd main_~__VERIFIER_assert__cond~4 (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_prenex_1 (_ BitVec 32))) (and (bvsgt v_prenex_1 (_ bv0 32)) (bvslt main_~main__cp~0 v_prenex_1) (bvsle v_prenex_1 (_ bv1000000 32))))))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {29342#(or (and (bvsle (_ bv0 32) main_~main__cp~0) (= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_prenex_1 (_ BitVec 32))) (and (bvsgt v_prenex_1 (_ bv0 32)) (bvslt main_~main__cp~0 v_prenex_1) (bvsle v_prenex_1 (_ bv1000000 32))))) (and (= main_~__VERIFIER_assert__cond~5 (_ bv0 32)) (not (bvsle (_ bv0 32) main_~main__cp~0))))} is VALID [2018-11-18 22:29:10,953 INFO L273 TraceCheckUtils]: 42: Hoare triple {29342#(or (and (bvsle (_ bv0 32) main_~main__cp~0) (= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32)) (exists ((v_prenex_1 (_ BitVec 32))) (and (bvsgt v_prenex_1 (_ bv0 32)) (bvslt main_~main__cp~0 v_prenex_1) (bvsle v_prenex_1 (_ bv1000000 32))))) (and (= main_~__VERIFIER_assert__cond~5 (_ bv0 32)) (not (bvsle (_ bv0 32) main_~main__cp~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {29346#(and (bvsle (_ bv0 32) main_~main__cp~0) (exists ((v_prenex_1 (_ BitVec 32))) (and (bvsgt v_prenex_1 (_ bv0 32)) (bvslt main_~main__cp~0 v_prenex_1) (bvsle v_prenex_1 (_ bv1000000 32)))))} is VALID [2018-11-18 22:29:10,954 INFO L273 TraceCheckUtils]: 43: Hoare triple {29346#(and (bvsle (_ bv0 32) main_~main__cp~0) (exists ((v_prenex_1 (_ BitVec 32))) (and (bvsgt v_prenex_1 (_ bv0 32)) (bvslt main_~main__cp~0 v_prenex_1) (bvsle v_prenex_1 (_ bv1000000 32)))))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {29346#(and (bvsle (_ bv0 32) main_~main__cp~0) (exists ((v_prenex_1 (_ BitVec 32))) (and (bvsgt v_prenex_1 (_ bv0 32)) (bvslt main_~main__cp~0 v_prenex_1) (bvsle v_prenex_1 (_ bv1000000 32)))))} is VALID [2018-11-18 22:29:10,956 INFO L273 TraceCheckUtils]: 44: Hoare triple {29346#(and (bvsle (_ bv0 32) main_~main__cp~0) (exists ((v_prenex_1 (_ BitVec 32))) (and (bvsgt v_prenex_1 (_ bv0 32)) (bvslt main_~main__cp~0 v_prenex_1) (bvsle v_prenex_1 (_ bv1000000 32)))))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {29353#(= (bvadd main_~__VERIFIER_assert__cond~7 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:29:10,957 INFO L273 TraceCheckUtils]: 45: Hoare triple {29353#(= (bvadd main_~__VERIFIER_assert__cond~7 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~7; {29212#false} is VALID [2018-11-18 22:29:10,957 INFO L273 TraceCheckUtils]: 46: Hoare triple {29212#false} assume !false; {29212#false} is VALID [2018-11-18 22:29:10,962 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 22:29:10,962 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:29:10,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:29:10,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 22:29:10,964 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2018-11-18 22:29:10,964 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:29:10,965 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-18 22:29:11,018 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:11,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 22:29:11,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 22:29:11,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-18 22:29:11,019 INFO L87 Difference]: Start difference. First operand 274 states and 312 transitions. Second operand 8 states. [2018-11-18 22:29:11,598 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-11-18 22:29:11,798 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2018-11-18 22:29:11,983 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-11-18 22:29:13,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:13,091 INFO L93 Difference]: Finished difference Result 274 states and 312 transitions. [2018-11-18 22:29:13,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 22:29:13,092 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2018-11-18 22:29:13,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:29:13,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-18 22:29:13,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2018-11-18 22:29:13,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-18 22:29:13,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2018-11-18 22:29:13,093 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 66 transitions. [2018-11-18 22:29:13,214 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:13,220 INFO L225 Difference]: With dead ends: 274 [2018-11-18 22:29:13,220 INFO L226 Difference]: Without dead ends: 272 [2018-11-18 22:29:13,221 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-11-18 22:29:13,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-11-18 22:29:14,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2018-11-18 22:29:14,165 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:29:14,165 INFO L82 GeneralOperation]: Start isEquivalent. First operand 272 states. Second operand 272 states. [2018-11-18 22:29:14,165 INFO L74 IsIncluded]: Start isIncluded. First operand 272 states. Second operand 272 states. [2018-11-18 22:29:14,165 INFO L87 Difference]: Start difference. First operand 272 states. Second operand 272 states. [2018-11-18 22:29:14,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:14,171 INFO L93 Difference]: Finished difference Result 272 states and 309 transitions. [2018-11-18 22:29:14,171 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 309 transitions. [2018-11-18 22:29:14,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:14,171 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:14,172 INFO L74 IsIncluded]: Start isIncluded. First operand 272 states. Second operand 272 states. [2018-11-18 22:29:14,172 INFO L87 Difference]: Start difference. First operand 272 states. Second operand 272 states. [2018-11-18 22:29:14,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:14,176 INFO L93 Difference]: Finished difference Result 272 states and 309 transitions. [2018-11-18 22:29:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 309 transitions. [2018-11-18 22:29:14,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:14,176 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:14,176 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:29:14,176 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:29:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-11-18 22:29:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 309 transitions. [2018-11-18 22:29:14,181 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 309 transitions. Word has length 47 [2018-11-18 22:29:14,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:29:14,181 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 309 transitions. [2018-11-18 22:29:14,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 22:29:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 309 transitions. [2018-11-18 22:29:14,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 22:29:14,182 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:29:14,182 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:29:14,182 INFO L423 AbstractCegarLoop]: === Iteration 33 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:29:14,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:29:14,182 INFO L82 PathProgramCache]: Analyzing trace with hash 40764835, now seen corresponding path program 1 times [2018-11-18 22:29:14,182 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:29:14,183 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 34 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:29:14,209 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 22:29:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:14,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:29:14,351 INFO L256 TraceCheckUtils]: 0: Hoare triple {30553#true} call ULTIMATE.init(); {30553#true} is VALID [2018-11-18 22:29:14,352 INFO L273 TraceCheckUtils]: 1: Hoare triple {30553#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {30553#true} is VALID [2018-11-18 22:29:14,352 INFO L273 TraceCheckUtils]: 2: Hoare triple {30553#true} assume true; {30553#true} is VALID [2018-11-18 22:29:14,352 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {30553#true} {30553#true} #215#return; {30553#true} is VALID [2018-11-18 22:29:14,352 INFO L256 TraceCheckUtils]: 4: Hoare triple {30553#true} call #t~ret8 := main(); {30553#true} is VALID [2018-11-18 22:29:14,352 INFO L273 TraceCheckUtils]: 5: Hoare triple {30553#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {30553#true} is VALID [2018-11-18 22:29:14,352 INFO L273 TraceCheckUtils]: 6: Hoare triple {30553#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {30553#true} is VALID [2018-11-18 22:29:14,352 INFO L273 TraceCheckUtils]: 7: Hoare triple {30553#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {30553#true} is VALID [2018-11-18 22:29:14,353 INFO L273 TraceCheckUtils]: 8: Hoare triple {30553#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {30553#true} is VALID [2018-11-18 22:29:14,353 INFO L273 TraceCheckUtils]: 9: Hoare triple {30553#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {30553#true} is VALID [2018-11-18 22:29:14,353 INFO L273 TraceCheckUtils]: 10: Hoare triple {30553#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {30553#true} is VALID [2018-11-18 22:29:14,353 INFO L273 TraceCheckUtils]: 11: Hoare triple {30553#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {30553#true} is VALID [2018-11-18 22:29:14,353 INFO L273 TraceCheckUtils]: 12: Hoare triple {30553#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {30553#true} is VALID [2018-11-18 22:29:14,353 INFO L273 TraceCheckUtils]: 13: Hoare triple {30553#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {30553#true} is VALID [2018-11-18 22:29:14,353 INFO L273 TraceCheckUtils]: 14: Hoare triple {30553#true} assume ~bvsge32(~main__scheme~0, 0bv32); {30553#true} is VALID [2018-11-18 22:29:14,353 INFO L273 TraceCheckUtils]: 15: Hoare triple {30553#true} assume !(0bv32 == ~main__scheme~0); {30553#true} is VALID [2018-11-18 22:29:14,354 INFO L273 TraceCheckUtils]: 16: Hoare triple {30553#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {30553#true} is VALID [2018-11-18 22:29:14,354 INFO L273 TraceCheckUtils]: 17: Hoare triple {30553#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {30553#true} is VALID [2018-11-18 22:29:14,354 INFO L273 TraceCheckUtils]: 18: Hoare triple {30553#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {30553#true} is VALID [2018-11-18 22:29:14,354 INFO L273 TraceCheckUtils]: 19: Hoare triple {30553#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {30553#true} is VALID [2018-11-18 22:29:14,354 INFO L273 TraceCheckUtils]: 20: Hoare triple {30553#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {30553#true} is VALID [2018-11-18 22:29:14,355 INFO L273 TraceCheckUtils]: 21: Hoare triple {30553#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {30553#true} is VALID [2018-11-18 22:29:14,355 INFO L273 TraceCheckUtils]: 22: Hoare triple {30553#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {30553#true} is VALID [2018-11-18 22:29:14,355 INFO L273 TraceCheckUtils]: 23: Hoare triple {30553#true} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {30553#true} is VALID [2018-11-18 22:29:14,355 INFO L273 TraceCheckUtils]: 24: Hoare triple {30553#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {30553#true} is VALID [2018-11-18 22:29:14,355 INFO L273 TraceCheckUtils]: 25: Hoare triple {30553#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {30553#true} is VALID [2018-11-18 22:29:14,355 INFO L273 TraceCheckUtils]: 26: Hoare triple {30553#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {30553#true} is VALID [2018-11-18 22:29:14,355 INFO L273 TraceCheckUtils]: 27: Hoare triple {30553#true} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {30553#true} is VALID [2018-11-18 22:29:14,356 INFO L273 TraceCheckUtils]: 28: Hoare triple {30553#true} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {30553#true} is VALID [2018-11-18 22:29:14,356 INFO L273 TraceCheckUtils]: 29: Hoare triple {30553#true} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {30553#true} is VALID [2018-11-18 22:29:14,356 INFO L273 TraceCheckUtils]: 30: Hoare triple {30553#true} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {30553#true} is VALID [2018-11-18 22:29:14,356 INFO L273 TraceCheckUtils]: 31: Hoare triple {30553#true} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {30553#true} is VALID [2018-11-18 22:29:14,356 INFO L273 TraceCheckUtils]: 32: Hoare triple {30553#true} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {30553#true} is VALID [2018-11-18 22:29:14,356 INFO L273 TraceCheckUtils]: 33: Hoare triple {30553#true} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {30553#true} is VALID [2018-11-18 22:29:14,356 INFO L273 TraceCheckUtils]: 34: Hoare triple {30553#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {30553#true} is VALID [2018-11-18 22:29:14,356 INFO L273 TraceCheckUtils]: 35: Hoare triple {30553#true} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {30553#true} is VALID [2018-11-18 22:29:14,357 INFO L273 TraceCheckUtils]: 36: Hoare triple {30553#true} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {30553#true} is VALID [2018-11-18 22:29:14,357 INFO L273 TraceCheckUtils]: 37: Hoare triple {30553#true} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {30553#true} is VALID [2018-11-18 22:29:14,357 INFO L273 TraceCheckUtils]: 38: Hoare triple {30553#true} assume !!(0bv32 == ~main____CPAchecker_TMP_3~0); {30553#true} is VALID [2018-11-18 22:29:14,357 INFO L273 TraceCheckUtils]: 39: Hoare triple {30553#true} ~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {30553#true} is VALID [2018-11-18 22:29:14,357 INFO L273 TraceCheckUtils]: 40: Hoare triple {30553#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {30553#true} is VALID [2018-11-18 22:29:14,359 INFO L273 TraceCheckUtils]: 41: Hoare triple {30553#true} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {30681#(or (and (= (bvadd main_~__VERIFIER_assert__cond~10 (_ bv4294967295 32)) (_ bv0 32)) (bvslt main_~main__cp~0 main_~main__urilen~0)) (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (= main_~__VERIFIER_assert__cond~10 (_ bv0 32))))} is VALID [2018-11-18 22:29:14,359 INFO L273 TraceCheckUtils]: 42: Hoare triple {30681#(or (and (= (bvadd main_~__VERIFIER_assert__cond~10 (_ bv4294967295 32)) (_ bv0 32)) (bvslt main_~main__cp~0 main_~main__urilen~0)) (and (not (bvslt main_~main__cp~0 main_~main__urilen~0)) (= main_~__VERIFIER_assert__cond~10 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {30685#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:29:14,359 INFO L273 TraceCheckUtils]: 43: Hoare triple {30685#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {30685#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:29:14,360 INFO L273 TraceCheckUtils]: 44: Hoare triple {30685#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {30685#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:29:14,360 INFO L273 TraceCheckUtils]: 45: Hoare triple {30685#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__c~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {30685#(bvslt main_~main__cp~0 main_~main__urilen~0)} is VALID [2018-11-18 22:29:14,361 INFO L273 TraceCheckUtils]: 46: Hoare triple {30685#(bvslt main_~main__cp~0 main_~main__urilen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {30698#(= (bvadd main_~__VERIFIER_assert__cond~14 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:29:14,361 INFO L273 TraceCheckUtils]: 47: Hoare triple {30698#(= (bvadd main_~__VERIFIER_assert__cond~14 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~14; {30554#false} is VALID [2018-11-18 22:29:14,362 INFO L273 TraceCheckUtils]: 48: Hoare triple {30554#false} assume !false; {30554#false} is VALID [2018-11-18 22:29:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 22:29:14,364 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:29:14,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:29:14,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:29:14,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-11-18 22:29:14,366 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:29:14,366 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:29:14,417 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:14,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:29:14,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:29:14,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:29:14,418 INFO L87 Difference]: Start difference. First operand 272 states and 309 transitions. Second operand 5 states. [2018-11-18 22:29:15,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:15,675 INFO L93 Difference]: Finished difference Result 274 states and 310 transitions. [2018-11-18 22:29:15,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 22:29:15,675 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-11-18 22:29:15,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:29:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:29:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 75 transitions. [2018-11-18 22:29:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:29:15,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 75 transitions. [2018-11-18 22:29:15,677 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 75 transitions. [2018-11-18 22:29:15,767 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:15,773 INFO L225 Difference]: With dead ends: 274 [2018-11-18 22:29:15,773 INFO L226 Difference]: Without dead ends: 272 [2018-11-18 22:29:15,774 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-18 22:29:15,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-11-18 22:29:16,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 270. [2018-11-18 22:29:16,506 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:29:16,506 INFO L82 GeneralOperation]: Start isEquivalent. First operand 272 states. Second operand 270 states. [2018-11-18 22:29:16,506 INFO L74 IsIncluded]: Start isIncluded. First operand 272 states. Second operand 270 states. [2018-11-18 22:29:16,506 INFO L87 Difference]: Start difference. First operand 272 states. Second operand 270 states. [2018-11-18 22:29:16,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:16,512 INFO L93 Difference]: Finished difference Result 272 states and 305 transitions. [2018-11-18 22:29:16,513 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 305 transitions. [2018-11-18 22:29:16,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:16,514 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:16,514 INFO L74 IsIncluded]: Start isIncluded. First operand 270 states. Second operand 272 states. [2018-11-18 22:29:16,514 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 272 states. [2018-11-18 22:29:16,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:16,519 INFO L93 Difference]: Finished difference Result 272 states and 305 transitions. [2018-11-18 22:29:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 305 transitions. [2018-11-18 22:29:16,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:16,520 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:16,520 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:29:16,520 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:29:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2018-11-18 22:29:16,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 304 transitions. [2018-11-18 22:29:16,525 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 304 transitions. Word has length 49 [2018-11-18 22:29:16,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:29:16,526 INFO L480 AbstractCegarLoop]: Abstraction has 270 states and 304 transitions. [2018-11-18 22:29:16,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:29:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 304 transitions. [2018-11-18 22:29:16,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 22:29:16,526 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:29:16,527 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:29:16,527 INFO L423 AbstractCegarLoop]: === Iteration 34 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:29:16,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:29:16,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1263713099, now seen corresponding path program 1 times [2018-11-18 22:29:16,527 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:29:16,528 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 35 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:29:16,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:29:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:16,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:29:16,787 INFO L256 TraceCheckUtils]: 0: Hoare triple {31894#true} call ULTIMATE.init(); {31894#true} is VALID [2018-11-18 22:29:16,787 INFO L273 TraceCheckUtils]: 1: Hoare triple {31894#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {31894#true} is VALID [2018-11-18 22:29:16,787 INFO L273 TraceCheckUtils]: 2: Hoare triple {31894#true} assume true; {31894#true} is VALID [2018-11-18 22:29:16,787 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {31894#true} {31894#true} #215#return; {31894#true} is VALID [2018-11-18 22:29:16,787 INFO L256 TraceCheckUtils]: 4: Hoare triple {31894#true} call #t~ret8 := main(); {31894#true} is VALID [2018-11-18 22:29:16,787 INFO L273 TraceCheckUtils]: 5: Hoare triple {31894#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {31894#true} is VALID [2018-11-18 22:29:16,788 INFO L273 TraceCheckUtils]: 6: Hoare triple {31894#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {31894#true} is VALID [2018-11-18 22:29:16,788 INFO L273 TraceCheckUtils]: 7: Hoare triple {31894#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {31894#true} is VALID [2018-11-18 22:29:16,788 INFO L273 TraceCheckUtils]: 8: Hoare triple {31894#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {31894#true} is VALID [2018-11-18 22:29:16,788 INFO L273 TraceCheckUtils]: 9: Hoare triple {31894#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {31894#true} is VALID [2018-11-18 22:29:16,788 INFO L273 TraceCheckUtils]: 10: Hoare triple {31894#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {31894#true} is VALID [2018-11-18 22:29:16,788 INFO L273 TraceCheckUtils]: 11: Hoare triple {31894#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {31894#true} is VALID [2018-11-18 22:29:16,788 INFO L273 TraceCheckUtils]: 12: Hoare triple {31894#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {31894#true} is VALID [2018-11-18 22:29:16,788 INFO L273 TraceCheckUtils]: 13: Hoare triple {31894#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {31894#true} is VALID [2018-11-18 22:29:16,788 INFO L273 TraceCheckUtils]: 14: Hoare triple {31894#true} assume ~bvsge32(~main__scheme~0, 0bv32); {31894#true} is VALID [2018-11-18 22:29:16,789 INFO L273 TraceCheckUtils]: 15: Hoare triple {31894#true} assume !(0bv32 == ~main__scheme~0); {31894#true} is VALID [2018-11-18 22:29:16,789 INFO L273 TraceCheckUtils]: 16: Hoare triple {31894#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {31894#true} is VALID [2018-11-18 22:29:16,789 INFO L273 TraceCheckUtils]: 17: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {31894#true} is VALID [2018-11-18 22:29:16,789 INFO L273 TraceCheckUtils]: 18: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {31894#true} is VALID [2018-11-18 22:29:16,789 INFO L273 TraceCheckUtils]: 19: Hoare triple {31894#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {31894#true} is VALID [2018-11-18 22:29:16,789 INFO L273 TraceCheckUtils]: 20: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {31894#true} is VALID [2018-11-18 22:29:16,789 INFO L273 TraceCheckUtils]: 21: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {31894#true} is VALID [2018-11-18 22:29:16,789 INFO L273 TraceCheckUtils]: 22: Hoare triple {31894#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {31894#true} is VALID [2018-11-18 22:29:16,790 INFO L273 TraceCheckUtils]: 23: Hoare triple {31894#true} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {31894#true} is VALID [2018-11-18 22:29:16,790 INFO L273 TraceCheckUtils]: 24: Hoare triple {31894#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {31894#true} is VALID [2018-11-18 22:29:16,790 INFO L273 TraceCheckUtils]: 25: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {31894#true} is VALID [2018-11-18 22:29:16,790 INFO L273 TraceCheckUtils]: 26: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {31894#true} is VALID [2018-11-18 22:29:16,790 INFO L273 TraceCheckUtils]: 27: Hoare triple {31894#true} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {31894#true} is VALID [2018-11-18 22:29:16,790 INFO L273 TraceCheckUtils]: 28: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {31894#true} is VALID [2018-11-18 22:29:16,790 INFO L273 TraceCheckUtils]: 29: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {31894#true} is VALID [2018-11-18 22:29:16,790 INFO L273 TraceCheckUtils]: 30: Hoare triple {31894#true} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {31894#true} is VALID [2018-11-18 22:29:16,790 INFO L273 TraceCheckUtils]: 31: Hoare triple {31894#true} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {31894#true} is VALID [2018-11-18 22:29:16,791 INFO L273 TraceCheckUtils]: 32: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {31894#true} is VALID [2018-11-18 22:29:16,791 INFO L273 TraceCheckUtils]: 33: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {31894#true} is VALID [2018-11-18 22:29:16,791 INFO L273 TraceCheckUtils]: 34: Hoare triple {31894#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {31894#true} is VALID [2018-11-18 22:29:16,791 INFO L273 TraceCheckUtils]: 35: Hoare triple {31894#true} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {31894#true} is VALID [2018-11-18 22:29:16,791 INFO L273 TraceCheckUtils]: 36: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {31894#true} is VALID [2018-11-18 22:29:16,791 INFO L273 TraceCheckUtils]: 37: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {31894#true} is VALID [2018-11-18 22:29:16,791 INFO L273 TraceCheckUtils]: 38: Hoare triple {31894#true} assume !!(0bv32 == ~main____CPAchecker_TMP_3~0); {31894#true} is VALID [2018-11-18 22:29:16,791 INFO L273 TraceCheckUtils]: 39: Hoare triple {31894#true} ~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {31894#true} is VALID [2018-11-18 22:29:16,792 INFO L273 TraceCheckUtils]: 40: Hoare triple {31894#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {31894#true} is VALID [2018-11-18 22:29:16,792 INFO L273 TraceCheckUtils]: 41: Hoare triple {31894#true} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {31894#true} is VALID [2018-11-18 22:29:16,792 INFO L273 TraceCheckUtils]: 42: Hoare triple {31894#true} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {32025#(or (and (bvsle (_ bv0 32) main_~main__cp~0) (= (bvadd main_~__VERIFIER_assert__cond~11 (_ bv4294967295 32)) (_ bv0 32))) (and (= main_~__VERIFIER_assert__cond~11 (_ bv0 32)) (not (bvsle (_ bv0 32) main_~main__cp~0))))} is VALID [2018-11-18 22:29:16,796 INFO L273 TraceCheckUtils]: 43: Hoare triple {32025#(or (and (bvsle (_ bv0 32) main_~main__cp~0) (= (bvadd main_~__VERIFIER_assert__cond~11 (_ bv4294967295 32)) (_ bv0 32))) (and (= main_~__VERIFIER_assert__cond~11 (_ bv0 32)) (not (bvsle (_ bv0 32) main_~main__cp~0))))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {32029#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:29:16,799 INFO L273 TraceCheckUtils]: 44: Hoare triple {32029#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {32029#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:29:16,799 INFO L273 TraceCheckUtils]: 45: Hoare triple {32029#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__c~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {32029#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:29:16,801 INFO L273 TraceCheckUtils]: 46: Hoare triple {32029#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {32029#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:29:16,801 INFO L273 TraceCheckUtils]: 47: Hoare triple {32029#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {32042#(= (bvadd main_~__VERIFIER_assert__cond~15 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:29:16,803 INFO L273 TraceCheckUtils]: 48: Hoare triple {32042#(= (bvadd main_~__VERIFIER_assert__cond~15 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~15; {31895#false} is VALID [2018-11-18 22:29:16,803 INFO L273 TraceCheckUtils]: 49: Hoare triple {31895#false} assume !false; {31895#false} is VALID [2018-11-18 22:29:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 22:29:16,804 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:29:16,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:29:16,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:29:16,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2018-11-18 22:29:16,807 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:29:16,807 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:29:16,867 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:16,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:29:16,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:29:16,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:29:16,868 INFO L87 Difference]: Start difference. First operand 270 states and 304 transitions. Second operand 5 states. [2018-11-18 22:29:18,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:18,230 INFO L93 Difference]: Finished difference Result 276 states and 309 transitions. [2018-11-18 22:29:18,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 22:29:18,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2018-11-18 22:29:18,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:29:18,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:29:18,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 74 transitions. [2018-11-18 22:29:18,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:29:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 74 transitions. [2018-11-18 22:29:18,232 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 74 transitions. [2018-11-18 22:29:18,317 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:18,322 INFO L225 Difference]: With dead ends: 276 [2018-11-18 22:29:18,322 INFO L226 Difference]: Without dead ends: 274 [2018-11-18 22:29:18,322 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-18 22:29:18,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-11-18 22:29:18,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 232. [2018-11-18 22:29:18,889 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:29:18,889 INFO L82 GeneralOperation]: Start isEquivalent. First operand 274 states. Second operand 232 states. [2018-11-18 22:29:18,890 INFO L74 IsIncluded]: Start isIncluded. First operand 274 states. Second operand 232 states. [2018-11-18 22:29:18,890 INFO L87 Difference]: Start difference. First operand 274 states. Second operand 232 states. [2018-11-18 22:29:18,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:18,895 INFO L93 Difference]: Finished difference Result 274 states and 304 transitions. [2018-11-18 22:29:18,895 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 304 transitions. [2018-11-18 22:29:18,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:18,896 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:18,896 INFO L74 IsIncluded]: Start isIncluded. First operand 232 states. Second operand 274 states. [2018-11-18 22:29:18,896 INFO L87 Difference]: Start difference. First operand 232 states. Second operand 274 states. [2018-11-18 22:29:18,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:18,900 INFO L93 Difference]: Finished difference Result 274 states and 304 transitions. [2018-11-18 22:29:18,901 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 304 transitions. [2018-11-18 22:29:18,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:18,901 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:18,901 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:29:18,901 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:29:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-11-18 22:29:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 259 transitions. [2018-11-18 22:29:18,904 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 259 transitions. Word has length 50 [2018-11-18 22:29:18,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:29:18,905 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 259 transitions. [2018-11-18 22:29:18,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:29:18,905 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 259 transitions. [2018-11-18 22:29:18,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 22:29:18,905 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:29:18,905 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:29:18,905 INFO L423 AbstractCegarLoop]: === Iteration 35 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:29:18,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:29:18,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1664106253, now seen corresponding path program 1 times [2018-11-18 22:29:18,906 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:29:18,906 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 36 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:29:18,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:29:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:19,012 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:29:19,302 INFO L256 TraceCheckUtils]: 0: Hoare triple {33203#true} call ULTIMATE.init(); {33203#true} is VALID [2018-11-18 22:29:19,303 INFO L273 TraceCheckUtils]: 1: Hoare triple {33203#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {33203#true} is VALID [2018-11-18 22:29:19,303 INFO L273 TraceCheckUtils]: 2: Hoare triple {33203#true} assume true; {33203#true} is VALID [2018-11-18 22:29:19,303 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {33203#true} {33203#true} #215#return; {33203#true} is VALID [2018-11-18 22:29:19,303 INFO L256 TraceCheckUtils]: 4: Hoare triple {33203#true} call #t~ret8 := main(); {33203#true} is VALID [2018-11-18 22:29:19,303 INFO L273 TraceCheckUtils]: 5: Hoare triple {33203#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {33203#true} is VALID [2018-11-18 22:29:19,303 INFO L273 TraceCheckUtils]: 6: Hoare triple {33203#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {33203#true} is VALID [2018-11-18 22:29:19,303 INFO L273 TraceCheckUtils]: 7: Hoare triple {33203#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {33203#true} is VALID [2018-11-18 22:29:19,315 INFO L273 TraceCheckUtils]: 8: Hoare triple {33203#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {33232#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:19,316 INFO L273 TraceCheckUtils]: 9: Hoare triple {33232#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {33232#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:19,316 INFO L273 TraceCheckUtils]: 10: Hoare triple {33232#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {33232#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:19,316 INFO L273 TraceCheckUtils]: 11: Hoare triple {33232#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {33232#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:19,317 INFO L273 TraceCheckUtils]: 12: Hoare triple {33232#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {33232#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:19,317 INFO L273 TraceCheckUtils]: 13: Hoare triple {33232#(bvsle main_~main__tokenlen~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,317 INFO L273 TraceCheckUtils]: 14: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume ~bvsge32(~main__scheme~0, 0bv32); {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,318 INFO L273 TraceCheckUtils]: 15: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~main__scheme~0); {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,318 INFO L273 TraceCheckUtils]: 16: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,319 INFO L273 TraceCheckUtils]: 17: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,320 INFO L273 TraceCheckUtils]: 18: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,320 INFO L273 TraceCheckUtils]: 19: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,321 INFO L273 TraceCheckUtils]: 20: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,322 INFO L273 TraceCheckUtils]: 21: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,322 INFO L273 TraceCheckUtils]: 22: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,323 INFO L273 TraceCheckUtils]: 23: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,324 INFO L273 TraceCheckUtils]: 24: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,324 INFO L273 TraceCheckUtils]: 25: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,325 INFO L273 TraceCheckUtils]: 26: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,326 INFO L273 TraceCheckUtils]: 27: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,326 INFO L273 TraceCheckUtils]: 28: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,327 INFO L273 TraceCheckUtils]: 29: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,328 INFO L273 TraceCheckUtils]: 30: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,329 INFO L273 TraceCheckUtils]: 31: Hoare triple {33248#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {33303#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,329 INFO L273 TraceCheckUtils]: 32: Hoare triple {33303#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {33303#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,330 INFO L273 TraceCheckUtils]: 33: Hoare triple {33303#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {33303#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,331 INFO L273 TraceCheckUtils]: 34: Hoare triple {33303#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {33303#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,332 INFO L273 TraceCheckUtils]: 35: Hoare triple {33303#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {33316#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,332 INFO L273 TraceCheckUtils]: 36: Hoare triple {33316#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {33316#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,333 INFO L273 TraceCheckUtils]: 37: Hoare triple {33316#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {33316#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,336 INFO L273 TraceCheckUtils]: 38: Hoare triple {33316#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv0 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {33326#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (= (bvadd main_~__VERIFIER_assert__cond~12 (_ bv4294967295 32)) (_ bv0 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,337 INFO L273 TraceCheckUtils]: 39: Hoare triple {33326#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (= (bvadd main_~__VERIFIER_assert__cond~12 (_ bv4294967295 32)) (_ bv0 32)) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__c~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {33330#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,338 INFO L273 TraceCheckUtils]: 40: Hoare triple {33330#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {33330#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,338 INFO L273 TraceCheckUtils]: 41: Hoare triple {33330#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {33330#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,339 INFO L273 TraceCheckUtils]: 42: Hoare triple {33330#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15); {33330#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,339 INFO L273 TraceCheckUtils]: 43: Hoare triple {33330#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} ~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {33330#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,340 INFO L273 TraceCheckUtils]: 44: Hoare triple {33330#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {33330#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,342 INFO L273 TraceCheckUtils]: 45: Hoare triple {33330#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (bvslt (_ bv0 32) (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (= (_ bv1 32) main_~main__c~0) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {33349#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv1 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,343 INFO L273 TraceCheckUtils]: 46: Hoare triple {33349#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv1 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {33349#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv1 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,345 INFO L273 TraceCheckUtils]: 47: Hoare triple {33349#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv1 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {33349#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv1 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,347 INFO L273 TraceCheckUtils]: 48: Hoare triple {33349#(and (bvsle main_~main__tokenlen~0 (_ bv1000000 32)) (= (_ bv1 32) main_~main__c~0) (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32))) (bvsgt main_~main__tokenlen~0 (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {33359#(= (bvadd main_~__VERIFIER_assert__cond~12 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:29:19,347 INFO L273 TraceCheckUtils]: 49: Hoare triple {33359#(= (bvadd main_~__VERIFIER_assert__cond~12 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~12; {33204#false} is VALID [2018-11-18 22:29:19,348 INFO L273 TraceCheckUtils]: 50: Hoare triple {33204#false} assume !false; {33204#false} is VALID [2018-11-18 22:29:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:29:19,354 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:29:19,984 INFO L273 TraceCheckUtils]: 50: Hoare triple {33204#false} assume !false; {33204#false} is VALID [2018-11-18 22:29:19,985 INFO L273 TraceCheckUtils]: 49: Hoare triple {33369#(not (= main_~__VERIFIER_assert__cond~12 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~12; {33204#false} is VALID [2018-11-18 22:29:19,985 INFO L273 TraceCheckUtils]: 48: Hoare triple {33373#(bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0)} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {33369#(not (= main_~__VERIFIER_assert__cond~12 (_ bv0 32)))} is VALID [2018-11-18 22:29:19,986 INFO L273 TraceCheckUtils]: 47: Hoare triple {33373#(bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {33373#(bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0)} is VALID [2018-11-18 22:29:19,986 INFO L273 TraceCheckUtils]: 46: Hoare triple {33373#(bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {33373#(bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0)} is VALID [2018-11-18 22:29:19,987 INFO L273 TraceCheckUtils]: 45: Hoare triple {33383#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {33373#(bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0)} is VALID [2018-11-18 22:29:19,988 INFO L273 TraceCheckUtils]: 44: Hoare triple {33383#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {33383#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0))} is VALID [2018-11-18 22:29:19,988 INFO L273 TraceCheckUtils]: 43: Hoare triple {33383#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0))} ~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {33383#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0))} is VALID [2018-11-18 22:29:19,989 INFO L273 TraceCheckUtils]: 42: Hoare triple {33383#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~15); {33383#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0))} is VALID [2018-11-18 22:29:19,989 INFO L273 TraceCheckUtils]: 41: Hoare triple {33383#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {33383#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0))} is VALID [2018-11-18 22:29:19,990 INFO L273 TraceCheckUtils]: 40: Hoare triple {33383#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {33383#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0))} is VALID [2018-11-18 22:29:19,990 INFO L273 TraceCheckUtils]: 39: Hoare triple {33402#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0) (= main_~__VERIFIER_assert__cond~12 (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__c~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {33383#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0))} is VALID [2018-11-18 22:29:20,017 INFO L273 TraceCheckUtils]: 38: Hoare triple {33203#true} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {33402#(or (not (bvslt main_~main__c~0 (bvadd main_~main__tokenlen~0 (_ bv4294967295 32)))) (bvslt (bvadd main_~main__c~0 (_ bv1 32)) main_~main__tokenlen~0) (= main_~__VERIFIER_assert__cond~12 (_ bv0 32)))} is VALID [2018-11-18 22:29:20,017 INFO L273 TraceCheckUtils]: 37: Hoare triple {33203#true} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {33203#true} is VALID [2018-11-18 22:29:20,018 INFO L273 TraceCheckUtils]: 36: Hoare triple {33203#true} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {33203#true} is VALID [2018-11-18 22:29:20,018 INFO L273 TraceCheckUtils]: 35: Hoare triple {33203#true} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {33203#true} is VALID [2018-11-18 22:29:20,018 INFO L273 TraceCheckUtils]: 34: Hoare triple {33203#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {33203#true} is VALID [2018-11-18 22:29:20,018 INFO L273 TraceCheckUtils]: 33: Hoare triple {33203#true} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {33203#true} is VALID [2018-11-18 22:29:20,018 INFO L273 TraceCheckUtils]: 32: Hoare triple {33203#true} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {33203#true} is VALID [2018-11-18 22:29:20,018 INFO L273 TraceCheckUtils]: 31: Hoare triple {33203#true} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {33203#true} is VALID [2018-11-18 22:29:20,018 INFO L273 TraceCheckUtils]: 30: Hoare triple {33203#true} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {33203#true} is VALID [2018-11-18 22:29:20,018 INFO L273 TraceCheckUtils]: 29: Hoare triple {33203#true} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {33203#true} is VALID [2018-11-18 22:29:20,018 INFO L273 TraceCheckUtils]: 28: Hoare triple {33203#true} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {33203#true} is VALID [2018-11-18 22:29:20,019 INFO L273 TraceCheckUtils]: 27: Hoare triple {33203#true} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {33203#true} is VALID [2018-11-18 22:29:20,019 INFO L273 TraceCheckUtils]: 26: Hoare triple {33203#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {33203#true} is VALID [2018-11-18 22:29:20,019 INFO L273 TraceCheckUtils]: 25: Hoare triple {33203#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {33203#true} is VALID [2018-11-18 22:29:20,019 INFO L273 TraceCheckUtils]: 24: Hoare triple {33203#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {33203#true} is VALID [2018-11-18 22:29:20,019 INFO L273 TraceCheckUtils]: 23: Hoare triple {33203#true} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {33203#true} is VALID [2018-11-18 22:29:20,019 INFO L273 TraceCheckUtils]: 22: Hoare triple {33203#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {33203#true} is VALID [2018-11-18 22:29:20,019 INFO L273 TraceCheckUtils]: 21: Hoare triple {33203#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {33203#true} is VALID [2018-11-18 22:29:20,019 INFO L273 TraceCheckUtils]: 20: Hoare triple {33203#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {33203#true} is VALID [2018-11-18 22:29:20,020 INFO L273 TraceCheckUtils]: 19: Hoare triple {33203#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {33203#true} is VALID [2018-11-18 22:29:20,020 INFO L273 TraceCheckUtils]: 18: Hoare triple {33203#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {33203#true} is VALID [2018-11-18 22:29:20,020 INFO L273 TraceCheckUtils]: 17: Hoare triple {33203#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {33203#true} is VALID [2018-11-18 22:29:20,020 INFO L273 TraceCheckUtils]: 16: Hoare triple {33203#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {33203#true} is VALID [2018-11-18 22:29:20,020 INFO L273 TraceCheckUtils]: 15: Hoare triple {33203#true} assume !(0bv32 == ~main__scheme~0); {33203#true} is VALID [2018-11-18 22:29:20,020 INFO L273 TraceCheckUtils]: 14: Hoare triple {33203#true} assume ~bvsge32(~main__scheme~0, 0bv32); {33203#true} is VALID [2018-11-18 22:29:20,020 INFO L273 TraceCheckUtils]: 13: Hoare triple {33203#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {33203#true} is VALID [2018-11-18 22:29:20,020 INFO L273 TraceCheckUtils]: 12: Hoare triple {33203#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {33203#true} is VALID [2018-11-18 22:29:20,020 INFO L273 TraceCheckUtils]: 11: Hoare triple {33203#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {33203#true} is VALID [2018-11-18 22:29:20,021 INFO L273 TraceCheckUtils]: 10: Hoare triple {33203#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {33203#true} is VALID [2018-11-18 22:29:20,021 INFO L273 TraceCheckUtils]: 9: Hoare triple {33203#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {33203#true} is VALID [2018-11-18 22:29:20,021 INFO L273 TraceCheckUtils]: 8: Hoare triple {33203#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {33203#true} is VALID [2018-11-18 22:29:20,021 INFO L273 TraceCheckUtils]: 7: Hoare triple {33203#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {33203#true} is VALID [2018-11-18 22:29:20,021 INFO L273 TraceCheckUtils]: 6: Hoare triple {33203#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {33203#true} is VALID [2018-11-18 22:29:20,021 INFO L273 TraceCheckUtils]: 5: Hoare triple {33203#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {33203#true} is VALID [2018-11-18 22:29:20,021 INFO L256 TraceCheckUtils]: 4: Hoare triple {33203#true} call #t~ret8 := main(); {33203#true} is VALID [2018-11-18 22:29:20,021 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {33203#true} {33203#true} #215#return; {33203#true} is VALID [2018-11-18 22:29:20,022 INFO L273 TraceCheckUtils]: 2: Hoare triple {33203#true} assume true; {33203#true} is VALID [2018-11-18 22:29:20,022 INFO L273 TraceCheckUtils]: 1: Hoare triple {33203#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {33203#true} is VALID [2018-11-18 22:29:20,022 INFO L256 TraceCheckUtils]: 0: Hoare triple {33203#true} call ULTIMATE.init(); {33203#true} is VALID [2018-11-18 22:29:20,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:29:20,025 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:29:20,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 14 [2018-11-18 22:29:20,026 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 51 [2018-11-18 22:29:20,026 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:29:20,026 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-18 22:29:20,177 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:20,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 22:29:20,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 22:29:20,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-11-18 22:29:20,178 INFO L87 Difference]: Start difference. First operand 232 states and 259 transitions. Second operand 14 states. [2018-11-18 22:29:23,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:23,675 INFO L93 Difference]: Finished difference Result 296 states and 325 transitions. [2018-11-18 22:29:23,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 22:29:23,675 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 51 [2018-11-18 22:29:23,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:29:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-18 22:29:23,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 90 transitions. [2018-11-18 22:29:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-18 22:29:23,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 90 transitions. [2018-11-18 22:29:23,677 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 90 transitions. [2018-11-18 22:29:23,887 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:23,892 INFO L225 Difference]: With dead ends: 296 [2018-11-18 22:29:23,892 INFO L226 Difference]: Without dead ends: 294 [2018-11-18 22:29:23,892 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-11-18 22:29:23,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-11-18 22:29:24,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 230. [2018-11-18 22:29:24,445 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:29:24,445 INFO L82 GeneralOperation]: Start isEquivalent. First operand 294 states. Second operand 230 states. [2018-11-18 22:29:24,445 INFO L74 IsIncluded]: Start isIncluded. First operand 294 states. Second operand 230 states. [2018-11-18 22:29:24,446 INFO L87 Difference]: Start difference. First operand 294 states. Second operand 230 states. [2018-11-18 22:29:24,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:24,451 INFO L93 Difference]: Finished difference Result 294 states and 320 transitions. [2018-11-18 22:29:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 320 transitions. [2018-11-18 22:29:24,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:24,452 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:24,452 INFO L74 IsIncluded]: Start isIncluded. First operand 230 states. Second operand 294 states. [2018-11-18 22:29:24,452 INFO L87 Difference]: Start difference. First operand 230 states. Second operand 294 states. [2018-11-18 22:29:24,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:24,456 INFO L93 Difference]: Finished difference Result 294 states and 320 transitions. [2018-11-18 22:29:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 320 transitions. [2018-11-18 22:29:24,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:24,457 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:24,457 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:29:24,457 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:29:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-11-18 22:29:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 254 transitions. [2018-11-18 22:29:24,460 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 254 transitions. Word has length 51 [2018-11-18 22:29:24,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:29:24,461 INFO L480 AbstractCegarLoop]: Abstraction has 230 states and 254 transitions. [2018-11-18 22:29:24,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 22:29:24,461 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 254 transitions. [2018-11-18 22:29:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 22:29:24,461 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:29:24,461 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:29:24,461 INFO L423 AbstractCegarLoop]: === Iteration 36 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:29:24,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:29:24,462 INFO L82 PathProgramCache]: Analyzing trace with hash 47689493, now seen corresponding path program 1 times [2018-11-18 22:29:24,462 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:29:24,462 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 37 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:29:24,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:29:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:24,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:29:24,644 INFO L256 TraceCheckUtils]: 0: Hoare triple {34759#true} call ULTIMATE.init(); {34759#true} is VALID [2018-11-18 22:29:24,644 INFO L273 TraceCheckUtils]: 1: Hoare triple {34759#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {34759#true} is VALID [2018-11-18 22:29:24,644 INFO L273 TraceCheckUtils]: 2: Hoare triple {34759#true} assume true; {34759#true} is VALID [2018-11-18 22:29:24,644 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34759#true} {34759#true} #215#return; {34759#true} is VALID [2018-11-18 22:29:24,644 INFO L256 TraceCheckUtils]: 4: Hoare triple {34759#true} call #t~ret8 := main(); {34759#true} is VALID [2018-11-18 22:29:24,645 INFO L273 TraceCheckUtils]: 5: Hoare triple {34759#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {34759#true} is VALID [2018-11-18 22:29:24,645 INFO L273 TraceCheckUtils]: 6: Hoare triple {34759#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {34759#true} is VALID [2018-11-18 22:29:24,645 INFO L273 TraceCheckUtils]: 7: Hoare triple {34759#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {34759#true} is VALID [2018-11-18 22:29:24,645 INFO L273 TraceCheckUtils]: 8: Hoare triple {34759#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {34759#true} is VALID [2018-11-18 22:29:24,645 INFO L273 TraceCheckUtils]: 9: Hoare triple {34759#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {34759#true} is VALID [2018-11-18 22:29:24,645 INFO L273 TraceCheckUtils]: 10: Hoare triple {34759#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {34759#true} is VALID [2018-11-18 22:29:24,645 INFO L273 TraceCheckUtils]: 11: Hoare triple {34759#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {34759#true} is VALID [2018-11-18 22:29:24,645 INFO L273 TraceCheckUtils]: 12: Hoare triple {34759#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {34759#true} is VALID [2018-11-18 22:29:24,645 INFO L273 TraceCheckUtils]: 13: Hoare triple {34759#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {34759#true} is VALID [2018-11-18 22:29:24,646 INFO L273 TraceCheckUtils]: 14: Hoare triple {34759#true} assume ~bvsge32(~main__scheme~0, 0bv32); {34759#true} is VALID [2018-11-18 22:29:24,646 INFO L273 TraceCheckUtils]: 15: Hoare triple {34759#true} assume !(0bv32 == ~main__scheme~0); {34759#true} is VALID [2018-11-18 22:29:24,646 INFO L273 TraceCheckUtils]: 16: Hoare triple {34759#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {34759#true} is VALID [2018-11-18 22:29:24,646 INFO L273 TraceCheckUtils]: 17: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {34759#true} is VALID [2018-11-18 22:29:24,646 INFO L273 TraceCheckUtils]: 18: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {34759#true} is VALID [2018-11-18 22:29:24,646 INFO L273 TraceCheckUtils]: 19: Hoare triple {34759#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {34759#true} is VALID [2018-11-18 22:29:24,646 INFO L273 TraceCheckUtils]: 20: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {34759#true} is VALID [2018-11-18 22:29:24,646 INFO L273 TraceCheckUtils]: 21: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {34759#true} is VALID [2018-11-18 22:29:24,647 INFO L273 TraceCheckUtils]: 22: Hoare triple {34759#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {34759#true} is VALID [2018-11-18 22:29:24,647 INFO L273 TraceCheckUtils]: 23: Hoare triple {34759#true} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {34759#true} is VALID [2018-11-18 22:29:24,647 INFO L273 TraceCheckUtils]: 24: Hoare triple {34759#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {34759#true} is VALID [2018-11-18 22:29:24,647 INFO L273 TraceCheckUtils]: 25: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {34759#true} is VALID [2018-11-18 22:29:24,647 INFO L273 TraceCheckUtils]: 26: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {34759#true} is VALID [2018-11-18 22:29:24,647 INFO L273 TraceCheckUtils]: 27: Hoare triple {34759#true} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {34759#true} is VALID [2018-11-18 22:29:24,647 INFO L273 TraceCheckUtils]: 28: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {34759#true} is VALID [2018-11-18 22:29:24,647 INFO L273 TraceCheckUtils]: 29: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {34759#true} is VALID [2018-11-18 22:29:24,647 INFO L273 TraceCheckUtils]: 30: Hoare triple {34759#true} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {34759#true} is VALID [2018-11-18 22:29:24,648 INFO L273 TraceCheckUtils]: 31: Hoare triple {34759#true} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {34857#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,648 INFO L273 TraceCheckUtils]: 32: Hoare triple {34857#(= (_ bv0 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {34857#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,648 INFO L273 TraceCheckUtils]: 33: Hoare triple {34857#(= (_ bv0 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {34857#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,649 INFO L273 TraceCheckUtils]: 34: Hoare triple {34857#(= (_ bv0 32) main_~main__c~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {34857#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,649 INFO L273 TraceCheckUtils]: 35: Hoare triple {34857#(= (_ bv0 32) main_~main__c~0)} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {34857#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,649 INFO L273 TraceCheckUtils]: 36: Hoare triple {34857#(= (_ bv0 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {34857#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,650 INFO L273 TraceCheckUtils]: 37: Hoare triple {34857#(= (_ bv0 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {34857#(= (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,650 INFO L273 TraceCheckUtils]: 38: Hoare triple {34857#(= (_ bv0 32) main_~main__c~0)} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {34879#(= (_ bv1 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,650 INFO L273 TraceCheckUtils]: 39: Hoare triple {34879#(= (_ bv1 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__c~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {34879#(= (_ bv1 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,651 INFO L273 TraceCheckUtils]: 40: Hoare triple {34879#(= (_ bv1 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {34879#(= (_ bv1 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,651 INFO L273 TraceCheckUtils]: 41: Hoare triple {34879#(= (_ bv1 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {34879#(= (_ bv1 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,652 INFO L273 TraceCheckUtils]: 42: Hoare triple {34879#(= (_ bv1 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15); {34879#(= (_ bv1 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,652 INFO L273 TraceCheckUtils]: 43: Hoare triple {34879#(= (_ bv1 32) main_~main__c~0)} ~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {34879#(= (_ bv1 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,653 INFO L273 TraceCheckUtils]: 44: Hoare triple {34879#(= (_ bv1 32) main_~main__c~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {34879#(= (_ bv1 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,653 INFO L273 TraceCheckUtils]: 45: Hoare triple {34879#(= (_ bv1 32) main_~main__c~0)} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {34879#(= (_ bv1 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,654 INFO L273 TraceCheckUtils]: 46: Hoare triple {34879#(= (_ bv1 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {34879#(= (_ bv1 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,654 INFO L273 TraceCheckUtils]: 47: Hoare triple {34879#(= (_ bv1 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {34879#(= (_ bv1 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,655 INFO L273 TraceCheckUtils]: 48: Hoare triple {34879#(= (_ bv1 32) main_~main__c~0)} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {34910#(= (_ bv2 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,656 INFO L273 TraceCheckUtils]: 49: Hoare triple {34910#(= (_ bv2 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__c~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {34914#(= (bvadd main_~__VERIFIER_assert__cond~13 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:29:24,656 INFO L273 TraceCheckUtils]: 50: Hoare triple {34914#(= (bvadd main_~__VERIFIER_assert__cond~13 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~13; {34760#false} is VALID [2018-11-18 22:29:24,656 INFO L273 TraceCheckUtils]: 51: Hoare triple {34760#false} assume !false; {34760#false} is VALID [2018-11-18 22:29:24,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:29:24,659 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:29:24,740 INFO L273 TraceCheckUtils]: 51: Hoare triple {34760#false} assume !false; {34760#false} is VALID [2018-11-18 22:29:24,740 INFO L273 TraceCheckUtils]: 50: Hoare triple {34924#(not (= main_~__VERIFIER_assert__cond~13 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~13; {34760#false} is VALID [2018-11-18 22:29:24,741 INFO L273 TraceCheckUtils]: 49: Hoare triple {34928#(bvsle (_ bv0 32) main_~main__c~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__c~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {34924#(not (= main_~__VERIFIER_assert__cond~13 (_ bv0 32)))} is VALID [2018-11-18 22:29:24,742 INFO L273 TraceCheckUtils]: 48: Hoare triple {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {34928#(bvsle (_ bv0 32) main_~main__c~0)} is VALID [2018-11-18 22:29:24,742 INFO L273 TraceCheckUtils]: 47: Hoare triple {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:24,743 INFO L273 TraceCheckUtils]: 46: Hoare triple {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:24,743 INFO L273 TraceCheckUtils]: 45: Hoare triple {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:24,744 INFO L273 TraceCheckUtils]: 44: Hoare triple {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:24,744 INFO L273 TraceCheckUtils]: 43: Hoare triple {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} ~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:24,745 INFO L273 TraceCheckUtils]: 42: Hoare triple {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15); {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:24,745 INFO L273 TraceCheckUtils]: 41: Hoare triple {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:24,746 INFO L273 TraceCheckUtils]: 40: Hoare triple {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:24,746 INFO L273 TraceCheckUtils]: 39: Hoare triple {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__c~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:24,749 INFO L273 TraceCheckUtils]: 38: Hoare triple {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_3~0);~main__c~0 := ~bvadd32(1bv32, ~main__c~0);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__c~0, ~main__tokenlen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {34932#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:24,750 INFO L273 TraceCheckUtils]: 37: Hoare triple {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:24,750 INFO L273 TraceCheckUtils]: 36: Hoare triple {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:24,751 INFO L273 TraceCheckUtils]: 35: Hoare triple {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:24,751 INFO L273 TraceCheckUtils]: 34: Hoare triple {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:24,751 INFO L273 TraceCheckUtils]: 33: Hoare triple {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:24,751 INFO L273 TraceCheckUtils]: 32: Hoare triple {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:24,752 INFO L273 TraceCheckUtils]: 31: Hoare triple {34759#true} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {34963#(bvsle (_ bv0 32) (bvadd main_~main__c~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:24,752 INFO L273 TraceCheckUtils]: 30: Hoare triple {34759#true} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {34759#true} is VALID [2018-11-18 22:29:24,752 INFO L273 TraceCheckUtils]: 29: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {34759#true} is VALID [2018-11-18 22:29:24,752 INFO L273 TraceCheckUtils]: 28: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {34759#true} is VALID [2018-11-18 22:29:24,752 INFO L273 TraceCheckUtils]: 27: Hoare triple {34759#true} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {34759#true} is VALID [2018-11-18 22:29:24,752 INFO L273 TraceCheckUtils]: 26: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {34759#true} is VALID [2018-11-18 22:29:24,753 INFO L273 TraceCheckUtils]: 25: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {34759#true} is VALID [2018-11-18 22:29:24,753 INFO L273 TraceCheckUtils]: 24: Hoare triple {34759#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {34759#true} is VALID [2018-11-18 22:29:24,753 INFO L273 TraceCheckUtils]: 23: Hoare triple {34759#true} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {34759#true} is VALID [2018-11-18 22:29:24,753 INFO L273 TraceCheckUtils]: 22: Hoare triple {34759#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {34759#true} is VALID [2018-11-18 22:29:24,753 INFO L273 TraceCheckUtils]: 21: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {34759#true} is VALID [2018-11-18 22:29:24,753 INFO L273 TraceCheckUtils]: 20: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {34759#true} is VALID [2018-11-18 22:29:24,753 INFO L273 TraceCheckUtils]: 19: Hoare triple {34759#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {34759#true} is VALID [2018-11-18 22:29:24,753 INFO L273 TraceCheckUtils]: 18: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {34759#true} is VALID [2018-11-18 22:29:24,753 INFO L273 TraceCheckUtils]: 17: Hoare triple {34759#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {34759#true} is VALID [2018-11-18 22:29:24,754 INFO L273 TraceCheckUtils]: 16: Hoare triple {34759#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {34759#true} is VALID [2018-11-18 22:29:24,754 INFO L273 TraceCheckUtils]: 15: Hoare triple {34759#true} assume !(0bv32 == ~main__scheme~0); {34759#true} is VALID [2018-11-18 22:29:24,754 INFO L273 TraceCheckUtils]: 14: Hoare triple {34759#true} assume ~bvsge32(~main__scheme~0, 0bv32); {34759#true} is VALID [2018-11-18 22:29:24,754 INFO L273 TraceCheckUtils]: 13: Hoare triple {34759#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {34759#true} is VALID [2018-11-18 22:29:24,754 INFO L273 TraceCheckUtils]: 12: Hoare triple {34759#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {34759#true} is VALID [2018-11-18 22:29:24,754 INFO L273 TraceCheckUtils]: 11: Hoare triple {34759#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {34759#true} is VALID [2018-11-18 22:29:24,754 INFO L273 TraceCheckUtils]: 10: Hoare triple {34759#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {34759#true} is VALID [2018-11-18 22:29:24,754 INFO L273 TraceCheckUtils]: 9: Hoare triple {34759#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {34759#true} is VALID [2018-11-18 22:29:24,755 INFO L273 TraceCheckUtils]: 8: Hoare triple {34759#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {34759#true} is VALID [2018-11-18 22:29:24,755 INFO L273 TraceCheckUtils]: 7: Hoare triple {34759#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {34759#true} is VALID [2018-11-18 22:29:24,755 INFO L273 TraceCheckUtils]: 6: Hoare triple {34759#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {34759#true} is VALID [2018-11-18 22:29:24,755 INFO L273 TraceCheckUtils]: 5: Hoare triple {34759#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {34759#true} is VALID [2018-11-18 22:29:24,755 INFO L256 TraceCheckUtils]: 4: Hoare triple {34759#true} call #t~ret8 := main(); {34759#true} is VALID [2018-11-18 22:29:24,755 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34759#true} {34759#true} #215#return; {34759#true} is VALID [2018-11-18 22:29:24,755 INFO L273 TraceCheckUtils]: 2: Hoare triple {34759#true} assume true; {34759#true} is VALID [2018-11-18 22:29:24,755 INFO L273 TraceCheckUtils]: 1: Hoare triple {34759#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {34759#true} is VALID [2018-11-18 22:29:24,756 INFO L256 TraceCheckUtils]: 0: Hoare triple {34759#true} call ULTIMATE.init(); {34759#true} is VALID [2018-11-18 22:29:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:29:24,759 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:29:24,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-11-18 22:29:24,759 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2018-11-18 22:29:24,759 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:29:24,759 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2018-11-18 22:29:24,878 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:24,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 22:29:24,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 22:29:24,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 22:29:24,879 INFO L87 Difference]: Start difference. First operand 230 states and 254 transitions. Second operand 10 states. [2018-11-18 22:29:26,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:26,660 INFO L93 Difference]: Finished difference Result 324 states and 359 transitions. [2018-11-18 22:29:26,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 22:29:26,660 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2018-11-18 22:29:26,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:29:26,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-18 22:29:26,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 116 transitions. [2018-11-18 22:29:26,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-18 22:29:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 116 transitions. [2018-11-18 22:29:26,662 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 116 transitions. [2018-11-18 22:29:26,845 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:26,851 INFO L225 Difference]: With dead ends: 324 [2018-11-18 22:29:26,851 INFO L226 Difference]: Without dead ends: 322 [2018-11-18 22:29:26,852 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2018-11-18 22:29:26,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-11-18 22:29:27,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 191. [2018-11-18 22:29:27,534 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:29:27,534 INFO L82 GeneralOperation]: Start isEquivalent. First operand 322 states. Second operand 191 states. [2018-11-18 22:29:27,534 INFO L74 IsIncluded]: Start isIncluded. First operand 322 states. Second operand 191 states. [2018-11-18 22:29:27,534 INFO L87 Difference]: Start difference. First operand 322 states. Second operand 191 states. [2018-11-18 22:29:27,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:27,540 INFO L93 Difference]: Finished difference Result 322 states and 348 transitions. [2018-11-18 22:29:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 348 transitions. [2018-11-18 22:29:27,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:27,541 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:27,541 INFO L74 IsIncluded]: Start isIncluded. First operand 191 states. Second operand 322 states. [2018-11-18 22:29:27,541 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 322 states. [2018-11-18 22:29:27,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:27,546 INFO L93 Difference]: Finished difference Result 322 states and 348 transitions. [2018-11-18 22:29:27,546 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 348 transitions. [2018-11-18 22:29:27,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:27,546 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:27,546 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:29:27,547 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:29:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-11-18 22:29:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 207 transitions. [2018-11-18 22:29:27,549 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 207 transitions. Word has length 52 [2018-11-18 22:29:27,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:29:27,549 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 207 transitions. [2018-11-18 22:29:27,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 22:29:27,549 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 207 transitions. [2018-11-18 22:29:27,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 22:29:27,550 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:29:27,550 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:29:27,550 INFO L423 AbstractCegarLoop]: === Iteration 37 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:29:27,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:29:27,550 INFO L82 PathProgramCache]: Analyzing trace with hash 865589114, now seen corresponding path program 2 times [2018-11-18 22:29:27,550 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:29:27,551 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 38 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:29:27,566 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-18 22:29:27,614 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-18 22:29:27,614 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 22:29:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:27,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:29:27,741 INFO L256 TraceCheckUtils]: 0: Hoare triple {36345#true} call ULTIMATE.init(); {36345#true} is VALID [2018-11-18 22:29:27,742 INFO L273 TraceCheckUtils]: 1: Hoare triple {36345#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {36345#true} is VALID [2018-11-18 22:29:27,742 INFO L273 TraceCheckUtils]: 2: Hoare triple {36345#true} assume true; {36345#true} is VALID [2018-11-18 22:29:27,742 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {36345#true} {36345#true} #215#return; {36345#true} is VALID [2018-11-18 22:29:27,742 INFO L256 TraceCheckUtils]: 4: Hoare triple {36345#true} call #t~ret8 := main(); {36345#true} is VALID [2018-11-18 22:29:27,743 INFO L273 TraceCheckUtils]: 5: Hoare triple {36345#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {36345#true} is VALID [2018-11-18 22:29:27,743 INFO L273 TraceCheckUtils]: 6: Hoare triple {36345#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {36345#true} is VALID [2018-11-18 22:29:27,743 INFO L273 TraceCheckUtils]: 7: Hoare triple {36345#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {36345#true} is VALID [2018-11-18 22:29:27,743 INFO L273 TraceCheckUtils]: 8: Hoare triple {36345#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {36345#true} is VALID [2018-11-18 22:29:27,743 INFO L273 TraceCheckUtils]: 9: Hoare triple {36345#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {36345#true} is VALID [2018-11-18 22:29:27,744 INFO L273 TraceCheckUtils]: 10: Hoare triple {36345#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {36345#true} is VALID [2018-11-18 22:29:27,744 INFO L273 TraceCheckUtils]: 11: Hoare triple {36345#true} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {36345#true} is VALID [2018-11-18 22:29:27,744 INFO L273 TraceCheckUtils]: 12: Hoare triple {36345#true} assume ~bvsgt32(~main__urilen~0, 0bv32); {36345#true} is VALID [2018-11-18 22:29:27,744 INFO L273 TraceCheckUtils]: 13: Hoare triple {36345#true} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {36345#true} is VALID [2018-11-18 22:29:27,744 INFO L273 TraceCheckUtils]: 14: Hoare triple {36345#true} assume ~bvsge32(~main__scheme~0, 0bv32); {36345#true} is VALID [2018-11-18 22:29:27,744 INFO L273 TraceCheckUtils]: 15: Hoare triple {36345#true} assume !(0bv32 == ~main__scheme~0); {36345#true} is VALID [2018-11-18 22:29:27,744 INFO L273 TraceCheckUtils]: 16: Hoare triple {36345#true} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {36345#true} is VALID [2018-11-18 22:29:27,744 INFO L273 TraceCheckUtils]: 17: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {36345#true} is VALID [2018-11-18 22:29:27,744 INFO L273 TraceCheckUtils]: 18: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {36345#true} is VALID [2018-11-18 22:29:27,745 INFO L273 TraceCheckUtils]: 19: Hoare triple {36345#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {36345#true} is VALID [2018-11-18 22:29:27,745 INFO L273 TraceCheckUtils]: 20: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {36345#true} is VALID [2018-11-18 22:29:27,745 INFO L273 TraceCheckUtils]: 21: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {36345#true} is VALID [2018-11-18 22:29:27,745 INFO L273 TraceCheckUtils]: 22: Hoare triple {36345#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {36345#true} is VALID [2018-11-18 22:29:27,745 INFO L273 TraceCheckUtils]: 23: Hoare triple {36345#true} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {36345#true} is VALID [2018-11-18 22:29:27,745 INFO L273 TraceCheckUtils]: 24: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {36345#true} is VALID [2018-11-18 22:29:27,745 INFO L273 TraceCheckUtils]: 25: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {36345#true} is VALID [2018-11-18 22:29:27,745 INFO L273 TraceCheckUtils]: 26: Hoare triple {36345#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {36345#true} is VALID [2018-11-18 22:29:27,746 INFO L273 TraceCheckUtils]: 27: Hoare triple {36345#true} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {36345#true} is VALID [2018-11-18 22:29:27,746 INFO L273 TraceCheckUtils]: 28: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {36345#true} is VALID [2018-11-18 22:29:27,746 INFO L273 TraceCheckUtils]: 29: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {36345#true} is VALID [2018-11-18 22:29:27,746 INFO L273 TraceCheckUtils]: 30: Hoare triple {36345#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {36345#true} is VALID [2018-11-18 22:29:27,746 INFO L273 TraceCheckUtils]: 31: Hoare triple {36345#true} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {36345#true} is VALID [2018-11-18 22:29:27,746 INFO L273 TraceCheckUtils]: 32: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {36345#true} is VALID [2018-11-18 22:29:27,746 INFO L273 TraceCheckUtils]: 33: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {36345#true} is VALID [2018-11-18 22:29:27,746 INFO L273 TraceCheckUtils]: 34: Hoare triple {36345#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {36345#true} is VALID [2018-11-18 22:29:27,747 INFO L273 TraceCheckUtils]: 35: Hoare triple {36345#true} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {36345#true} is VALID [2018-11-18 22:29:27,747 INFO L273 TraceCheckUtils]: 36: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {36345#true} is VALID [2018-11-18 22:29:27,747 INFO L273 TraceCheckUtils]: 37: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {36345#true} is VALID [2018-11-18 22:29:27,747 INFO L273 TraceCheckUtils]: 38: Hoare triple {36345#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {36345#true} is VALID [2018-11-18 22:29:27,747 INFO L273 TraceCheckUtils]: 39: Hoare triple {36345#true} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {36345#true} is VALID [2018-11-18 22:29:27,747 INFO L273 TraceCheckUtils]: 40: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {36345#true} is VALID [2018-11-18 22:29:27,747 INFO L273 TraceCheckUtils]: 41: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {36345#true} is VALID [2018-11-18 22:29:27,747 INFO L273 TraceCheckUtils]: 42: Hoare triple {36345#true} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {36345#true} is VALID [2018-11-18 22:29:27,747 INFO L273 TraceCheckUtils]: 43: Hoare triple {36345#true} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {36345#true} is VALID [2018-11-18 22:29:27,748 INFO L273 TraceCheckUtils]: 44: Hoare triple {36345#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {36345#true} is VALID [2018-11-18 22:29:27,748 INFO L273 TraceCheckUtils]: 45: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {36345#true} is VALID [2018-11-18 22:29:27,748 INFO L273 TraceCheckUtils]: 46: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {36345#true} is VALID [2018-11-18 22:29:27,748 INFO L273 TraceCheckUtils]: 47: Hoare triple {36345#true} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {36345#true} is VALID [2018-11-18 22:29:27,749 INFO L273 TraceCheckUtils]: 48: Hoare triple {36345#true} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {36494#(or (and (not (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))) (= main_~__VERIFIER_assert__cond~7 (_ bv0 32))) (and (= (bvadd main_~__VERIFIER_assert__cond~7 (_ bv4294967295 32)) (_ bv0 32)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))))} is VALID [2018-11-18 22:29:27,749 INFO L273 TraceCheckUtils]: 49: Hoare triple {36494#(or (and (not (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))) (= main_~__VERIFIER_assert__cond~7 (_ bv0 32))) (and (= (bvadd main_~__VERIFIER_assert__cond~7 (_ bv4294967295 32)) (_ bv0 32)) (bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))))} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {36498#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:27,751 INFO L273 TraceCheckUtils]: 50: Hoare triple {36498#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {36502#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:29:27,751 INFO L273 TraceCheckUtils]: 51: Hoare triple {36502#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {36502#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:29:27,752 INFO L273 TraceCheckUtils]: 52: Hoare triple {36502#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {36509#(= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:29:27,752 INFO L273 TraceCheckUtils]: 53: Hoare triple {36509#(= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~9; {36346#false} is VALID [2018-11-18 22:29:27,752 INFO L273 TraceCheckUtils]: 54: Hoare triple {36346#false} assume !false; {36346#false} is VALID [2018-11-18 22:29:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 22:29:27,754 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:29:27,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:29:27,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 22:29:27,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-18 22:29:27,757 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:29:27,758 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-18 22:29:27,797 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:27,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 22:29:27,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 22:29:27,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 22:29:27,798 INFO L87 Difference]: Start difference. First operand 191 states and 207 transitions. Second operand 6 states. [2018-11-18 22:29:28,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:28,967 INFO L93 Difference]: Finished difference Result 231 states and 251 transitions. [2018-11-18 22:29:28,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 22:29:28,967 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-18 22:29:28,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:29:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-18 22:29:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2018-11-18 22:29:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-18 22:29:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2018-11-18 22:29:28,969 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 67 transitions. [2018-11-18 22:29:29,047 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:29,051 INFO L225 Difference]: With dead ends: 231 [2018-11-18 22:29:29,051 INFO L226 Difference]: Without dead ends: 229 [2018-11-18 22:29:29,052 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-18 22:29:29,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-11-18 22:29:29,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 179. [2018-11-18 22:29:29,419 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:29:29,419 INFO L82 GeneralOperation]: Start isEquivalent. First operand 229 states. Second operand 179 states. [2018-11-18 22:29:29,419 INFO L74 IsIncluded]: Start isIncluded. First operand 229 states. Second operand 179 states. [2018-11-18 22:29:29,419 INFO L87 Difference]: Start difference. First operand 229 states. Second operand 179 states. [2018-11-18 22:29:29,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:29,424 INFO L93 Difference]: Finished difference Result 229 states and 249 transitions. [2018-11-18 22:29:29,424 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 249 transitions. [2018-11-18 22:29:29,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:29,424 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:29,424 INFO L74 IsIncluded]: Start isIncluded. First operand 179 states. Second operand 229 states. [2018-11-18 22:29:29,425 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 229 states. [2018-11-18 22:29:29,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:29,428 INFO L93 Difference]: Finished difference Result 229 states and 249 transitions. [2018-11-18 22:29:29,428 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 249 transitions. [2018-11-18 22:29:29,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:29:29,428 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:29:29,428 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:29:29,428 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:29:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-18 22:29:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 195 transitions. [2018-11-18 22:29:29,430 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 195 transitions. Word has length 55 [2018-11-18 22:29:29,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:29:29,431 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 195 transitions. [2018-11-18 22:29:29,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 22:29:29,431 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 195 transitions. [2018-11-18 22:29:29,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 22:29:29,431 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:29:29,432 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:29:29,432 INFO L423 AbstractCegarLoop]: === Iteration 38 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:29:29,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:29:29,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1230420554, now seen corresponding path program 1 times [2018-11-18 22:29:29,432 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:29:29,433 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 39 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:29:29,457 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 22:29:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:29:29,574 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:29:29,979 INFO L256 TraceCheckUtils]: 0: Hoare triple {37460#true} call ULTIMATE.init(); {37460#true} is VALID [2018-11-18 22:29:29,979 INFO L273 TraceCheckUtils]: 1: Hoare triple {37460#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {37460#true} is VALID [2018-11-18 22:29:29,979 INFO L273 TraceCheckUtils]: 2: Hoare triple {37460#true} assume true; {37460#true} is VALID [2018-11-18 22:29:29,979 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {37460#true} {37460#true} #215#return; {37460#true} is VALID [2018-11-18 22:29:29,979 INFO L256 TraceCheckUtils]: 4: Hoare triple {37460#true} call #t~ret8 := main(); {37460#true} is VALID [2018-11-18 22:29:29,979 INFO L273 TraceCheckUtils]: 5: Hoare triple {37460#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {37460#true} is VALID [2018-11-18 22:29:29,980 INFO L273 TraceCheckUtils]: 6: Hoare triple {37460#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {37460#true} is VALID [2018-11-18 22:29:29,980 INFO L273 TraceCheckUtils]: 7: Hoare triple {37460#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {37460#true} is VALID [2018-11-18 22:29:29,980 INFO L273 TraceCheckUtils]: 8: Hoare triple {37460#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {37460#true} is VALID [2018-11-18 22:29:29,980 INFO L273 TraceCheckUtils]: 9: Hoare triple {37460#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {37460#true} is VALID [2018-11-18 22:29:29,981 INFO L273 TraceCheckUtils]: 10: Hoare triple {37460#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {37495#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:29,981 INFO L273 TraceCheckUtils]: 11: Hoare triple {37495#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {37495#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:29,981 INFO L273 TraceCheckUtils]: 12: Hoare triple {37495#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__urilen~0, 0bv32); {37495#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:29,982 INFO L273 TraceCheckUtils]: 13: Hoare triple {37495#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {37495#(bvsle main_~main__scheme~0 (_ bv1000000 32))} is VALID [2018-11-18 22:29:29,982 INFO L273 TraceCheckUtils]: 14: Hoare triple {37495#(bvsle main_~main__scheme~0 (_ bv1000000 32))} assume ~bvsge32(~main__scheme~0, 0bv32); {37508#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:29,982 INFO L273 TraceCheckUtils]: 15: Hoare triple {37508#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !(0bv32 == ~main__scheme~0); {37508#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:29,985 INFO L273 TraceCheckUtils]: 16: Hoare triple {37508#(and (bvsge main_~main__scheme~0 (_ bv0 32)) (bvsle main_~main__scheme~0 (_ bv1000000 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:29,986 INFO L273 TraceCheckUtils]: 17: Hoare triple {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:29,986 INFO L273 TraceCheckUtils]: 18: Hoare triple {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:29,987 INFO L273 TraceCheckUtils]: 19: Hoare triple {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:29,987 INFO L273 TraceCheckUtils]: 20: Hoare triple {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:29,988 INFO L273 TraceCheckUtils]: 21: Hoare triple {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:29,988 INFO L273 TraceCheckUtils]: 22: Hoare triple {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:29,989 INFO L273 TraceCheckUtils]: 23: Hoare triple {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:29,989 INFO L273 TraceCheckUtils]: 24: Hoare triple {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} is VALID [2018-11-18 22:29:29,994 INFO L273 TraceCheckUtils]: 25: Hoare triple {37515#(and (bvsge main_~main__cp~0 (_ bv0 32)) (bvsle main_~main__cp~0 (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {37543#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:29,995 INFO L273 TraceCheckUtils]: 26: Hoare triple {37543#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {37543#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:29,995 INFO L273 TraceCheckUtils]: 27: Hoare triple {37543#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {37543#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:29,996 INFO L273 TraceCheckUtils]: 28: Hoare triple {37543#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {37543#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,006 INFO L273 TraceCheckUtils]: 29: Hoare triple {37543#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {37556#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,007 INFO L273 TraceCheckUtils]: 30: Hoare triple {37556#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {37556#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,007 INFO L273 TraceCheckUtils]: 31: Hoare triple {37556#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {37556#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,008 INFO L273 TraceCheckUtils]: 32: Hoare triple {37556#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {37556#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,019 INFO L273 TraceCheckUtils]: 33: Hoare triple {37556#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {37569#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,020 INFO L273 TraceCheckUtils]: 34: Hoare triple {37569#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {37569#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,020 INFO L273 TraceCheckUtils]: 35: Hoare triple {37569#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {37569#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,021 INFO L273 TraceCheckUtils]: 36: Hoare triple {37569#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {37569#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,029 INFO L273 TraceCheckUtils]: 37: Hoare triple {37569#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967293 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,030 INFO L273 TraceCheckUtils]: 38: Hoare triple {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,030 INFO L273 TraceCheckUtils]: 39: Hoare triple {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,031 INFO L273 TraceCheckUtils]: 40: Hoare triple {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,031 INFO L273 TraceCheckUtils]: 41: Hoare triple {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,032 INFO L273 TraceCheckUtils]: 42: Hoare triple {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,032 INFO L273 TraceCheckUtils]: 43: Hoare triple {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,033 INFO L273 TraceCheckUtils]: 44: Hoare triple {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,034 INFO L273 TraceCheckUtils]: 45: Hoare triple {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,048 INFO L273 TraceCheckUtils]: 46: Hoare triple {37582#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967292 32)) (_ bv0 32)))} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,049 INFO L273 TraceCheckUtils]: 47: Hoare triple {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,050 INFO L273 TraceCheckUtils]: 48: Hoare triple {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,050 INFO L273 TraceCheckUtils]: 49: Hoare triple {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,050 INFO L273 TraceCheckUtils]: 50: Hoare triple {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,051 INFO L273 TraceCheckUtils]: 51: Hoare triple {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,052 INFO L273 TraceCheckUtils]: 52: Hoare triple {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,052 INFO L273 TraceCheckUtils]: 53: Hoare triple {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,053 INFO L273 TraceCheckUtils]: 54: Hoare triple {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_3~0); {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:29:30,068 INFO L273 TraceCheckUtils]: 55: Hoare triple {37610#(and (bvsle (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv1000000 32)) (bvsge (bvadd main_~main__cp~0 (_ bv4294967291 32)) (_ bv0 32)))} ~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {37638#(and (bvsge (bvadd main_~main__cp~0 (_ bv4294967290 32)) (_ bv0 32)) (bvsle (bvadd main_~main__cp~0 (_ bv4294967290 32)) (_ bv1000000 32)))} is VALID [2018-11-18 22:29:30,069 INFO L273 TraceCheckUtils]: 56: Hoare triple {37638#(and (bvsge (bvadd main_~main__cp~0 (_ bv4294967290 32)) (_ bv0 32)) (bvsle (bvadd main_~main__cp~0 (_ bv4294967290 32)) (_ bv1000000 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {37638#(and (bvsge (bvadd main_~main__cp~0 (_ bv4294967290 32)) (_ bv0 32)) (bvsle (bvadd main_~main__cp~0 (_ bv4294967290 32)) (_ bv1000000 32)))} is VALID [2018-11-18 22:29:30,069 INFO L273 TraceCheckUtils]: 57: Hoare triple {37638#(and (bvsge (bvadd main_~main__cp~0 (_ bv4294967290 32)) (_ bv0 32)) (bvsle (bvadd main_~main__cp~0 (_ bv4294967290 32)) (_ bv1000000 32)))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {37638#(and (bvsge (bvadd main_~main__cp~0 (_ bv4294967290 32)) (_ bv0 32)) (bvsle (bvadd main_~main__cp~0 (_ bv4294967290 32)) (_ bv1000000 32)))} is VALID [2018-11-18 22:29:30,070 INFO L273 TraceCheckUtils]: 58: Hoare triple {37638#(and (bvsge (bvadd main_~main__cp~0 (_ bv4294967290 32)) (_ bv0 32)) (bvsle (bvadd main_~main__cp~0 (_ bv4294967290 32)) (_ bv1000000 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {37648#(= (bvadd main_~__VERIFIER_assert__cond~11 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:29:30,071 INFO L273 TraceCheckUtils]: 59: Hoare triple {37648#(= (bvadd main_~__VERIFIER_assert__cond~11 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~11; {37461#false} is VALID [2018-11-18 22:29:30,071 INFO L273 TraceCheckUtils]: 60: Hoare triple {37461#false} assume !false; {37461#false} is VALID [2018-11-18 22:29:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:29:30,076 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:29:30,499 INFO L273 TraceCheckUtils]: 60: Hoare triple {37461#false} assume !false; {37461#false} is VALID [2018-11-18 22:29:30,500 INFO L273 TraceCheckUtils]: 59: Hoare triple {37658#(not (= main_~__VERIFIER_assert__cond~11 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~11; {37461#false} is VALID [2018-11-18 22:29:30,501 INFO L273 TraceCheckUtils]: 58: Hoare triple {37662#(bvsle (_ bv0 32) main_~main__cp~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {37658#(not (= main_~__VERIFIER_assert__cond~11 (_ bv0 32)))} is VALID [2018-11-18 22:29:30,501 INFO L273 TraceCheckUtils]: 57: Hoare triple {37662#(bvsle (_ bv0 32) main_~main__cp~0)} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {37662#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:29:30,501 INFO L273 TraceCheckUtils]: 56: Hoare triple {37662#(bvsle (_ bv0 32) main_~main__cp~0)} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {37662#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:29:30,502 INFO L273 TraceCheckUtils]: 55: Hoare triple {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} ~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {37662#(bvsle (_ bv0 32) main_~main__cp~0)} is VALID [2018-11-18 22:29:30,503 INFO L273 TraceCheckUtils]: 54: Hoare triple {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_3~0); {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:30,503 INFO L273 TraceCheckUtils]: 53: Hoare triple {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;~main____CPAchecker_TMP_3~0 := #t~nondet7;havoc #t~nondet7; {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:30,504 INFO L273 TraceCheckUtils]: 52: Hoare triple {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:30,504 INFO L273 TraceCheckUtils]: 51: Hoare triple {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume ~bvslt32(~main__c~0, ~bvsub32(~main__tokenlen~0, 1bv32));havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:30,505 INFO L273 TraceCheckUtils]: 50: Hoare triple {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32); {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:30,505 INFO L273 TraceCheckUtils]: 49: Hoare triple {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9); {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:30,506 INFO L273 TraceCheckUtils]: 48: Hoare triple {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:30,506 INFO L273 TraceCheckUtils]: 47: Hoare triple {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0bv32;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:30,510 INFO L273 TraceCheckUtils]: 46: Hoare triple {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(~bvadd32(1bv32, ~main__cp~0) == ~bvsub32(~main__urilen~0, 1bv32));~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0);~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;~main____CPAchecker_TMP_2~0 := #t~nondet6;havoc #t~nondet6; {37672#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv1 32)))} is VALID [2018-11-18 22:29:30,510 INFO L273 TraceCheckUtils]: 45: Hoare triple {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7); {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:30,511 INFO L273 TraceCheckUtils]: 44: Hoare triple {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~bvadd32(1bv32, ~main__cp~0)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:30,511 INFO L273 TraceCheckUtils]: 43: Hoare triple {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(~main__cp~0 == ~bvsub32(~main__urilen~0, 1bv32));havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__cp~0), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:30,511 INFO L273 TraceCheckUtils]: 42: Hoare triple {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5); {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:30,512 INFO L273 TraceCheckUtils]: 41: Hoare triple {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:30,512 INFO L273 TraceCheckUtils]: 40: Hoare triple {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:30,512 INFO L273 TraceCheckUtils]: 39: Hoare triple {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_1~0); {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:30,512 INFO L273 TraceCheckUtils]: 38: Hoare triple {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:30,514 INFO L273 TraceCheckUtils]: 37: Hoare triple {37728#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {37700#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv2 32)))} is VALID [2018-11-18 22:29:30,515 INFO L273 TraceCheckUtils]: 36: Hoare triple {37728#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {37728#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} is VALID [2018-11-18 22:29:30,515 INFO L273 TraceCheckUtils]: 35: Hoare triple {37728#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {37728#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} is VALID [2018-11-18 22:29:30,516 INFO L273 TraceCheckUtils]: 34: Hoare triple {37728#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {37728#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} is VALID [2018-11-18 22:29:30,518 INFO L273 TraceCheckUtils]: 33: Hoare triple {37741#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {37728#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv3 32)))} is VALID [2018-11-18 22:29:30,518 INFO L273 TraceCheckUtils]: 32: Hoare triple {37741#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {37741#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:29:30,518 INFO L273 TraceCheckUtils]: 31: Hoare triple {37741#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {37741#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:29:30,519 INFO L273 TraceCheckUtils]: 30: Hoare triple {37741#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {37741#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:29:30,520 INFO L273 TraceCheckUtils]: 29: Hoare triple {37754#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv5 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {37741#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv4 32)))} is VALID [2018-11-18 22:29:30,521 INFO L273 TraceCheckUtils]: 28: Hoare triple {37754#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv5 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {37754#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv5 32)))} is VALID [2018-11-18 22:29:30,521 INFO L273 TraceCheckUtils]: 27: Hoare triple {37754#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv5 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {37754#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv5 32)))} is VALID [2018-11-18 22:29:30,521 INFO L273 TraceCheckUtils]: 26: Hoare triple {37754#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv5 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {37754#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv5 32)))} is VALID [2018-11-18 22:29:30,523 INFO L273 TraceCheckUtils]: 25: Hoare triple {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~17);~main__cp~0 := ~bvadd32(1bv32, ~main__cp~0); {37754#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv5 32)))} is VALID [2018-11-18 22:29:30,524 INFO L273 TraceCheckUtils]: 24: Hoare triple {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} is VALID [2018-11-18 22:29:30,524 INFO L273 TraceCheckUtils]: 23: Hoare triple {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} is VALID [2018-11-18 22:29:30,524 INFO L273 TraceCheckUtils]: 22: Hoare triple {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} assume ~main__cp~0 != ~bvsub32(~main__urilen~0, 1bv32);havoc ~main____CPAchecker_TMP_1~0;~main____CPAchecker_TMP_1~0 := #t~nondet5;havoc #t~nondet5; {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} is VALID [2018-11-18 22:29:30,525 INFO L273 TraceCheckUtils]: 21: Hoare triple {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3); {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} is VALID [2018-11-18 22:29:30,525 INFO L273 TraceCheckUtils]: 20: Hoare triple {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__cp~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} is VALID [2018-11-18 22:29:30,525 INFO L273 TraceCheckUtils]: 19: Hoare triple {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__cp~0, ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} is VALID [2018-11-18 22:29:30,525 INFO L273 TraceCheckUtils]: 18: Hoare triple {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet4;havoc #t~nondet4; {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} is VALID [2018-11-18 22:29:30,526 INFO L273 TraceCheckUtils]: 17: Hoare triple {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~bvsub32(~main__cp~0, 1bv32)) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} is VALID [2018-11-18 22:29:30,529 INFO L273 TraceCheckUtils]: 16: Hoare triple {37795#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv6 32)))} assume !~bvslt32(~bvsub32(~main__urilen~0, 1bv32), ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvsub32(~main__cp~0, 1bv32), ~main__urilen~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {37767#(bvsle (_ bv0 32) (bvadd main_~main__cp~0 (_ bv6 32)))} is VALID [2018-11-18 22:29:30,529 INFO L273 TraceCheckUtils]: 15: Hoare triple {37795#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv6 32)))} assume !(0bv32 == ~main__scheme~0); {37795#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv6 32)))} is VALID [2018-11-18 22:29:30,529 INFO L273 TraceCheckUtils]: 14: Hoare triple {37802#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv6 32))))} assume ~bvsge32(~main__scheme~0, 0bv32); {37795#(bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv6 32)))} is VALID [2018-11-18 22:29:30,530 INFO L273 TraceCheckUtils]: 13: Hoare triple {37802#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv6 32))))} assume ~bvsgt32(~main__tokenlen~0, 0bv32); {37802#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv6 32))))} is VALID [2018-11-18 22:29:30,530 INFO L273 TraceCheckUtils]: 12: Hoare triple {37802#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv6 32))))} assume ~bvsgt32(~main__urilen~0, 0bv32); {37802#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv6 32))))} is VALID [2018-11-18 22:29:30,530 INFO L273 TraceCheckUtils]: 11: Hoare triple {37802#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv6 32))))} assume !!~bvsge32(~main__scheme~0, 4293967296bv32); {37802#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv6 32))))} is VALID [2018-11-18 22:29:30,531 INFO L273 TraceCheckUtils]: 10: Hoare triple {37460#true} assume !!~bvsle32(~main__scheme~0, 1000000bv32); {37802#(or (not (bvsge main_~main__scheme~0 (_ bv0 32))) (bvsle (_ bv0 32) (bvadd main_~main__scheme~0 (_ bv6 32))))} is VALID [2018-11-18 22:29:30,531 INFO L273 TraceCheckUtils]: 9: Hoare triple {37460#true} assume !!~bvsge32(~main__tokenlen~0, 4293967296bv32); {37460#true} is VALID [2018-11-18 22:29:30,531 INFO L273 TraceCheckUtils]: 8: Hoare triple {37460#true} assume !!~bvsle32(~main__tokenlen~0, 1000000bv32); {37460#true} is VALID [2018-11-18 22:29:30,531 INFO L273 TraceCheckUtils]: 7: Hoare triple {37460#true} assume !!~bvsge32(~main__urilen~0, 4293967296bv32); {37460#true} is VALID [2018-11-18 22:29:30,532 INFO L273 TraceCheckUtils]: 6: Hoare triple {37460#true} assume !!~bvsle32(~main__urilen~0, 1000000bv32); {37460#true} is VALID [2018-11-18 22:29:30,532 INFO L273 TraceCheckUtils]: 5: Hoare triple {37460#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;~main__urilen~0 := #t~nondet1;havoc #t~nondet1;~main__tokenlen~0 := #t~nondet2;havoc #t~nondet2;~main__scheme~0 := #t~nondet3;havoc #t~nondet3; {37460#true} is VALID [2018-11-18 22:29:30,532 INFO L256 TraceCheckUtils]: 4: Hoare triple {37460#true} call #t~ret8 := main(); {37460#true} is VALID [2018-11-18 22:29:30,532 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {37460#true} {37460#true} #215#return; {37460#true} is VALID [2018-11-18 22:29:30,532 INFO L273 TraceCheckUtils]: 2: Hoare triple {37460#true} assume true; {37460#true} is VALID [2018-11-18 22:29:30,532 INFO L273 TraceCheckUtils]: 1: Hoare triple {37460#true} ~__return_main~0 := 0bv32;~__return_375~0 := 0bv32; {37460#true} is VALID [2018-11-18 22:29:30,532 INFO L256 TraceCheckUtils]: 0: Hoare triple {37460#true} call ULTIMATE.init(); {37460#true} is VALID [2018-11-18 22:29:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:29:30,538 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:29:30,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2018-11-18 22:29:30,539 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 61 [2018-11-18 22:29:30,539 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:29:30,539 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2018-11-18 22:29:30,810 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:29:30,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-18 22:29:30,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-18 22:29:30,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2018-11-18 22:29:30,811 INFO L87 Difference]: Start difference. First operand 179 states and 195 transitions. Second operand 22 states. [2018-11-18 22:29:52,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:29:52,191 INFO L93 Difference]: Finished difference Result 515 states and 563 transitions. [2018-11-18 22:29:52,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-11-18 22:29:52,191 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 61 [2018-11-18 22:29:52,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:29:52,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-18 22:29:52,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 555 transitions. [2018-11-18 22:29:52,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-18 22:29:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 555 transitions. [2018-11-18 22:29:52,198 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 55 states and 555 transitions.