/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 12:46:42,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 12:46:42,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 12:46:42,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 12:46:42,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 12:46:42,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 12:46:42,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 12:46:42,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 12:46:42,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 12:46:42,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 12:46:42,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 12:46:42,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 12:46:42,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 12:46:42,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 12:46:42,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 12:46:42,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 12:46:42,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 12:46:42,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 12:46:42,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 12:46:42,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 12:46:42,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 12:46:42,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 12:46:42,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 12:46:42,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 12:46:42,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 12:46:42,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 12:46:42,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 12:46:42,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 12:46:42,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-08 12:46:42,676 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 12:46:42,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 12:46:42,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 12:46:42,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 12:46:42,680 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 12:46:42,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 12:46:42,681 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 12:46:42,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 12:46:42,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 12:46:42,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 12:46:42,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 12:46:42,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 12:46:42,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 12:46:42,682 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 12:46:42,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 12:46:42,683 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 12:46:42,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 12:46:42,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 12:46:42,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 12:46:42,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 12:46:42,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 12:46:42,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 12:46:42,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 12:46:42,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 12:46:42,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 12:46:42,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 12:46:42,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 12:46:42,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 12:46:42,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 12:46:42,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 12:46:42,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 12:46:42,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 12:46:42,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 12:46:42,958 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 12:46:42,959 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 12:46:42,959 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2020-07-08 12:46:43,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e1e5595/d8c8c9da4e46483aad2f7a0d45614d69/FLAGc3b48f833 [2020-07-08 12:46:43,565 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 12:46:43,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2020-07-08 12:46:43,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e1e5595/d8c8c9da4e46483aad2f7a0d45614d69/FLAGc3b48f833 [2020-07-08 12:46:43,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6e1e5595/d8c8c9da4e46483aad2f7a0d45614d69 [2020-07-08 12:46:43,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 12:46:43,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 12:46:43,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 12:46:43,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 12:46:43,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 12:46:43,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:46:43" (1/1) ... [2020-07-08 12:46:43,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10986283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:43, skipping insertion in model container [2020-07-08 12:46:43,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:46:43" (1/1) ... [2020-07-08 12:46:43,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 12:46:44,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 12:46:44,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:46:44,231 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 12:46:44,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:46:44,394 INFO L208 MainTranslator]: Completed translation [2020-07-08 12:46:44,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:44 WrapperNode [2020-07-08 12:46:44,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 12:46:44,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 12:46:44,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 12:46:44,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 12:46:44,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:44" (1/1) ... [2020-07-08 12:46:44,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:44" (1/1) ... [2020-07-08 12:46:44,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:44" (1/1) ... [2020-07-08 12:46:44,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:44" (1/1) ... [2020-07-08 12:46:44,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:44" (1/1) ... [2020-07-08 12:46:44,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:44" (1/1) ... [2020-07-08 12:46:44,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:44" (1/1) ... [2020-07-08 12:46:44,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 12:46:44,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 12:46:44,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 12:46:44,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 12:46:44,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:44" (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 [2020-07-08 12:46:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 12:46:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 12:46:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 12:46:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 12:46:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 12:46:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 12:46:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 12:46:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 12:46:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 12:46:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 12:46:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 12:46:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 12:46:45,222 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 12:46:45,223 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 12:46:45,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:46:45 BoogieIcfgContainer [2020-07-08 12:46:45,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 12:46:45,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 12:46:45,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 12:46:45,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 12:46:45,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 12:46:43" (1/3) ... [2020-07-08 12:46:45,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1250a8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:46:45, skipping insertion in model container [2020-07-08 12:46:45,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:44" (2/3) ... [2020-07-08 12:46:45,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1250a8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:46:45, skipping insertion in model container [2020-07-08 12:46:45,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:46:45" (3/3) ... [2020-07-08 12:46:45,239 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i.v+cfa-reducer.c [2020-07-08 12:46:45,250 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 12:46:45,258 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-07-08 12:46:45,273 INFO L251 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-07-08 12:46:45,300 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 12:46:45,300 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 12:46:45,300 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 12:46:45,301 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 12:46:45,301 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 12:46:45,301 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 12:46:45,302 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 12:46:45,302 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 12:46:45,327 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2020-07-08 12:46:45,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-08 12:46:45,335 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:45,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:46:45,337 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:45,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:45,342 INFO L82 PathProgramCache]: Analyzing trace with hash -2019463306, now seen corresponding path program 1 times [2020-07-08 12:46:45,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:45,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563312238] [2020-07-08 12:46:45,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:45,593 INFO L280 TraceCheckUtils]: 0: Hoare triple {96#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {90#true} is VALID [2020-07-08 12:46:45,593 INFO L280 TraceCheckUtils]: 1: Hoare triple {90#true} assume true; {90#true} is VALID [2020-07-08 12:46:45,594 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {90#true} {90#true} #223#return; {90#true} is VALID [2020-07-08 12:46:45,597 INFO L263 TraceCheckUtils]: 0: Hoare triple {90#true} call ULTIMATE.init(); {96#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:45,598 INFO L280 TraceCheckUtils]: 1: Hoare triple {96#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {90#true} is VALID [2020-07-08 12:46:45,598 INFO L280 TraceCheckUtils]: 2: Hoare triple {90#true} assume true; {90#true} is VALID [2020-07-08 12:46:45,598 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {90#true} {90#true} #223#return; {90#true} is VALID [2020-07-08 12:46:45,599 INFO L263 TraceCheckUtils]: 4: Hoare triple {90#true} call #t~ret7 := main(); {90#true} is VALID [2020-07-08 12:46:45,599 INFO L280 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;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {90#true} is VALID [2020-07-08 12:46:45,599 INFO L280 TraceCheckUtils]: 6: Hoare triple {90#true} assume !!(~main__urilen~0 <= 1000000); {90#true} is VALID [2020-07-08 12:46:45,600 INFO L280 TraceCheckUtils]: 7: Hoare triple {90#true} assume !!(~main__urilen~0 >= -1000000); {90#true} is VALID [2020-07-08 12:46:45,600 INFO L280 TraceCheckUtils]: 8: Hoare triple {90#true} assume !!(~main__tokenlen~0 <= 1000000); {90#true} is VALID [2020-07-08 12:46:45,601 INFO L280 TraceCheckUtils]: 9: Hoare triple {90#true} assume !!(~main__tokenlen~0 >= -1000000); {90#true} is VALID [2020-07-08 12:46:45,601 INFO L280 TraceCheckUtils]: 10: Hoare triple {90#true} assume !!(~main__scheme~0 <= 1000000); {90#true} is VALID [2020-07-08 12:46:45,601 INFO L280 TraceCheckUtils]: 11: Hoare triple {90#true} assume !!(~main__scheme~0 >= -1000000); {90#true} is VALID [2020-07-08 12:46:45,602 INFO L280 TraceCheckUtils]: 12: Hoare triple {90#true} assume ~main__urilen~0 > 0; {90#true} is VALID [2020-07-08 12:46:45,602 INFO L280 TraceCheckUtils]: 13: Hoare triple {90#true} assume ~main__tokenlen~0 > 0; {90#true} is VALID [2020-07-08 12:46:45,602 INFO L280 TraceCheckUtils]: 14: Hoare triple {90#true} assume ~main__scheme~0 >= 0; {90#true} is VALID [2020-07-08 12:46:45,602 INFO L280 TraceCheckUtils]: 15: Hoare triple {90#true} assume !(0 == ~main__scheme~0); {90#true} is VALID [2020-07-08 12:46:45,604 INFO L280 TraceCheckUtils]: 16: Hoare triple {90#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {95#(not (= 0 main_~__VERIFIER_assert__cond~0))} is VALID [2020-07-08 12:46:45,606 INFO L280 TraceCheckUtils]: 17: Hoare triple {95#(not (= 0 main_~__VERIFIER_assert__cond~0))} assume 0 == ~__VERIFIER_assert__cond~0; {91#false} is VALID [2020-07-08 12:46:45,606 INFO L280 TraceCheckUtils]: 18: Hoare triple {91#false} assume !false; {91#false} is VALID [2020-07-08 12:46:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:45,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563312238] [2020-07-08 12:46:45,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:45,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 12:46:45,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794794701] [2020-07-08 12:46:45,618 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-07-08 12:46:45,621 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:45,624 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 12:46:45,662 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:45,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 12:46:45,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:45,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 12:46:45,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 12:46:45,675 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 4 states. [2020-07-08 12:46:46,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:46,172 INFO L93 Difference]: Finished difference Result 93 states and 129 transitions. [2020-07-08 12:46:46,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 12:46:46,172 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-07-08 12:46:46,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:46,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 12:46:46,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2020-07-08 12:46:46,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 12:46:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2020-07-08 12:46:46,193 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 129 transitions. [2020-07-08 12:46:46,362 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:46,380 INFO L225 Difference]: With dead ends: 93 [2020-07-08 12:46:46,381 INFO L226 Difference]: Without dead ends: 80 [2020-07-08 12:46:46,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-08 12:46:46,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-07-08 12:46:46,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-07-08 12:46:46,470 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:46,471 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 80 states. [2020-07-08 12:46:46,472 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2020-07-08 12:46:46,472 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2020-07-08 12:46:46,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:46,486 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2020-07-08 12:46:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2020-07-08 12:46:46,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:46,488 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:46,488 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2020-07-08 12:46:46,488 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2020-07-08 12:46:46,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:46,506 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2020-07-08 12:46:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2020-07-08 12:46:46,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:46,508 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:46,508 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:46,508 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:46,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-08 12:46:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2020-07-08 12:46:46,524 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 19 [2020-07-08 12:46:46,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:46,525 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2020-07-08 12:46:46,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 12:46:46,526 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2020-07-08 12:46:46,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-08 12:46:46,527 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:46,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:46:46,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 12:46:46,528 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:46,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:46,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1821150056, now seen corresponding path program 1 times [2020-07-08 12:46:46,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:46,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119945875] [2020-07-08 12:46:46,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:46,657 INFO L280 TraceCheckUtils]: 0: Hoare triple {460#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {451#true} is VALID [2020-07-08 12:46:46,657 INFO L280 TraceCheckUtils]: 1: Hoare triple {451#true} assume true; {451#true} is VALID [2020-07-08 12:46:46,657 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {451#true} {451#true} #223#return; {451#true} is VALID [2020-07-08 12:46:46,658 INFO L263 TraceCheckUtils]: 0: Hoare triple {451#true} call ULTIMATE.init(); {460#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:46,659 INFO L280 TraceCheckUtils]: 1: Hoare triple {460#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {451#true} is VALID [2020-07-08 12:46:46,659 INFO L280 TraceCheckUtils]: 2: Hoare triple {451#true} assume true; {451#true} is VALID [2020-07-08 12:46:46,659 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {451#true} {451#true} #223#return; {451#true} is VALID [2020-07-08 12:46:46,660 INFO L263 TraceCheckUtils]: 4: Hoare triple {451#true} call #t~ret7 := main(); {451#true} is VALID [2020-07-08 12:46:46,660 INFO L280 TraceCheckUtils]: 5: Hoare triple {451#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {451#true} is VALID [2020-07-08 12:46:46,661 INFO L280 TraceCheckUtils]: 6: Hoare triple {451#true} assume !!(~main__urilen~0 <= 1000000); {451#true} is VALID [2020-07-08 12:46:46,661 INFO L280 TraceCheckUtils]: 7: Hoare triple {451#true} assume !!(~main__urilen~0 >= -1000000); {451#true} is VALID [2020-07-08 12:46:46,661 INFO L280 TraceCheckUtils]: 8: Hoare triple {451#true} assume !!(~main__tokenlen~0 <= 1000000); {451#true} is VALID [2020-07-08 12:46:46,662 INFO L280 TraceCheckUtils]: 9: Hoare triple {451#true} assume !!(~main__tokenlen~0 >= -1000000); {451#true} is VALID [2020-07-08 12:46:46,662 INFO L280 TraceCheckUtils]: 10: Hoare triple {451#true} assume !!(~main__scheme~0 <= 1000000); {451#true} is VALID [2020-07-08 12:46:46,662 INFO L280 TraceCheckUtils]: 11: Hoare triple {451#true} assume !!(~main__scheme~0 >= -1000000); {451#true} is VALID [2020-07-08 12:46:46,662 INFO L280 TraceCheckUtils]: 12: Hoare triple {451#true} assume ~main__urilen~0 > 0; {451#true} is VALID [2020-07-08 12:46:46,663 INFO L280 TraceCheckUtils]: 13: Hoare triple {451#true} assume ~main__tokenlen~0 > 0; {451#true} is VALID [2020-07-08 12:46:46,664 INFO L280 TraceCheckUtils]: 14: Hoare triple {451#true} assume ~main__scheme~0 >= 0; {456#(< 0 (+ main_~main__scheme~0 1))} is VALID [2020-07-08 12:46:46,665 INFO L280 TraceCheckUtils]: 15: Hoare triple {456#(< 0 (+ main_~main__scheme~0 1))} assume !(0 == ~main__scheme~0); {457#(< 0 main_~main__scheme~0)} is VALID [2020-07-08 12:46:46,666 INFO L280 TraceCheckUtils]: 16: Hoare triple {457#(< 0 main_~main__scheme~0)} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {458#(<= 1 main_~main__cp~0)} is VALID [2020-07-08 12:46:46,667 INFO L280 TraceCheckUtils]: 17: Hoare triple {458#(<= 1 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {459#(not (= 0 main_~__VERIFIER_assert__cond~1))} is VALID [2020-07-08 12:46:46,668 INFO L280 TraceCheckUtils]: 18: Hoare triple {459#(not (= 0 main_~__VERIFIER_assert__cond~1))} assume 0 == ~__VERIFIER_assert__cond~1; {452#false} is VALID [2020-07-08 12:46:46,668 INFO L280 TraceCheckUtils]: 19: Hoare triple {452#false} assume !false; {452#false} is VALID [2020-07-08 12:46:46,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:46,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119945875] [2020-07-08 12:46:46,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:46,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 12:46:46,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281716862] [2020-07-08 12:46:46,672 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-07-08 12:46:46,673 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:46,673 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 12:46:46,698 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:46,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 12:46:46,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:46,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 12:46:46,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-08 12:46:46,699 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand 7 states. [2020-07-08 12:46:47,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:47,265 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2020-07-08 12:46:47,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 12:46:47,265 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-07-08 12:46:47,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:47,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 12:46:47,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 83 transitions. [2020-07-08 12:46:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 12:46:47,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 83 transitions. [2020-07-08 12:46:47,271 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 83 transitions. [2020-07-08 12:46:47,394 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:47,397 INFO L225 Difference]: With dead ends: 80 [2020-07-08 12:46:47,397 INFO L226 Difference]: Without dead ends: 78 [2020-07-08 12:46:47,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-08 12:46:47,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-08 12:46:47,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-07-08 12:46:47,423 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:47,423 INFO L82 GeneralOperation]: Start isEquivalent. First operand 78 states. Second operand 78 states. [2020-07-08 12:46:47,423 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 78 states. [2020-07-08 12:46:47,424 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 78 states. [2020-07-08 12:46:47,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:47,428 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2020-07-08 12:46:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2020-07-08 12:46:47,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:47,430 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:47,430 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 78 states. [2020-07-08 12:46:47,430 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 78 states. [2020-07-08 12:46:47,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:47,434 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2020-07-08 12:46:47,434 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2020-07-08 12:46:47,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:47,435 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:47,435 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:47,435 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:47,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-08 12:46:47,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2020-07-08 12:46:47,439 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 20 [2020-07-08 12:46:47,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:47,439 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2020-07-08 12:46:47,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 12:46:47,439 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2020-07-08 12:46:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-08 12:46:47,440 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:47,440 INFO L422 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] [2020-07-08 12:46:47,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 12:46:47,441 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:47,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:47,442 INFO L82 PathProgramCache]: Analyzing trace with hash 2073610827, now seen corresponding path program 1 times [2020-07-08 12:46:47,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:47,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744963786] [2020-07-08 12:46:47,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:47,530 INFO L280 TraceCheckUtils]: 0: Hoare triple {808#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {801#true} is VALID [2020-07-08 12:46:47,530 INFO L280 TraceCheckUtils]: 1: Hoare triple {801#true} assume true; {801#true} is VALID [2020-07-08 12:46:47,530 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {801#true} {801#true} #223#return; {801#true} is VALID [2020-07-08 12:46:47,531 INFO L263 TraceCheckUtils]: 0: Hoare triple {801#true} call ULTIMATE.init(); {808#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:47,532 INFO L280 TraceCheckUtils]: 1: Hoare triple {808#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {801#true} is VALID [2020-07-08 12:46:47,532 INFO L280 TraceCheckUtils]: 2: Hoare triple {801#true} assume true; {801#true} is VALID [2020-07-08 12:46:47,532 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {801#true} {801#true} #223#return; {801#true} is VALID [2020-07-08 12:46:47,533 INFO L263 TraceCheckUtils]: 4: Hoare triple {801#true} call #t~ret7 := main(); {801#true} is VALID [2020-07-08 12:46:47,533 INFO L280 TraceCheckUtils]: 5: Hoare triple {801#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {801#true} is VALID [2020-07-08 12:46:47,533 INFO L280 TraceCheckUtils]: 6: Hoare triple {801#true} assume !!(~main__urilen~0 <= 1000000); {801#true} is VALID [2020-07-08 12:46:47,534 INFO L280 TraceCheckUtils]: 7: Hoare triple {801#true} assume !!(~main__urilen~0 >= -1000000); {801#true} is VALID [2020-07-08 12:46:47,534 INFO L280 TraceCheckUtils]: 8: Hoare triple {801#true} assume !!(~main__tokenlen~0 <= 1000000); {801#true} is VALID [2020-07-08 12:46:47,534 INFO L280 TraceCheckUtils]: 9: Hoare triple {801#true} assume !!(~main__tokenlen~0 >= -1000000); {801#true} is VALID [2020-07-08 12:46:47,534 INFO L280 TraceCheckUtils]: 10: Hoare triple {801#true} assume !!(~main__scheme~0 <= 1000000); {801#true} is VALID [2020-07-08 12:46:47,535 INFO L280 TraceCheckUtils]: 11: Hoare triple {801#true} assume !!(~main__scheme~0 >= -1000000); {801#true} is VALID [2020-07-08 12:46:47,535 INFO L280 TraceCheckUtils]: 12: Hoare triple {801#true} assume ~main__urilen~0 > 0; {801#true} is VALID [2020-07-08 12:46:47,535 INFO L280 TraceCheckUtils]: 13: Hoare triple {801#true} assume ~main__tokenlen~0 > 0; {801#true} is VALID [2020-07-08 12:46:47,536 INFO L280 TraceCheckUtils]: 14: Hoare triple {801#true} assume ~main__scheme~0 >= 0; {801#true} is VALID [2020-07-08 12:46:47,536 INFO L280 TraceCheckUtils]: 15: Hoare triple {801#true} assume !(0 == ~main__scheme~0); {801#true} is VALID [2020-07-08 12:46:47,537 INFO L280 TraceCheckUtils]: 16: Hoare triple {801#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {806#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:47,538 INFO L280 TraceCheckUtils]: 17: Hoare triple {806#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {806#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:47,538 INFO L280 TraceCheckUtils]: 18: Hoare triple {806#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {806#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:47,539 INFO L280 TraceCheckUtils]: 19: Hoare triple {806#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {807#(not (= 0 main_~__VERIFIER_assert__cond~2))} is VALID [2020-07-08 12:46:47,540 INFO L280 TraceCheckUtils]: 20: Hoare triple {807#(not (= 0 main_~__VERIFIER_assert__cond~2))} assume 0 == ~__VERIFIER_assert__cond~2; {802#false} is VALID [2020-07-08 12:46:47,540 INFO L280 TraceCheckUtils]: 21: Hoare triple {802#false} assume !false; {802#false} is VALID [2020-07-08 12:46:47,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:47,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744963786] [2020-07-08 12:46:47,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:47,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-08 12:46:47,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737555812] [2020-07-08 12:46:47,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-08 12:46:47,543 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:47,544 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-08 12:46:47,566 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:47,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-08 12:46:47,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:47,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-08 12:46:47,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-08 12:46:47,567 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand 5 states. [2020-07-08 12:46:48,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:48,029 INFO L93 Difference]: Finished difference Result 101 states and 106 transitions. [2020-07-08 12:46:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 12:46:48,030 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-08 12:46:48,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:48,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 12:46:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 106 transitions. [2020-07-08 12:46:48,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 12:46:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 106 transitions. [2020-07-08 12:46:48,037 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 106 transitions. [2020-07-08 12:46:48,161 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:48,164 INFO L225 Difference]: With dead ends: 101 [2020-07-08 12:46:48,164 INFO L226 Difference]: Without dead ends: 99 [2020-07-08 12:46:48,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-08 12:46:48,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-08 12:46:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 76. [2020-07-08 12:46:48,189 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:48,189 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 76 states. [2020-07-08 12:46:48,189 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 76 states. [2020-07-08 12:46:48,190 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 76 states. [2020-07-08 12:46:48,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:48,194 INFO L93 Difference]: Finished difference Result 99 states and 104 transitions. [2020-07-08 12:46:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 104 transitions. [2020-07-08 12:46:48,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:48,196 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:48,196 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 99 states. [2020-07-08 12:46:48,196 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 99 states. [2020-07-08 12:46:48,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:48,201 INFO L93 Difference]: Finished difference Result 99 states and 104 transitions. [2020-07-08 12:46:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 104 transitions. [2020-07-08 12:46:48,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:48,202 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:48,202 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:48,202 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:48,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-08 12:46:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-07-08 12:46:48,206 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 22 [2020-07-08 12:46:48,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:48,206 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-07-08 12:46:48,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-08 12:46:48,206 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-07-08 12:46:48,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-08 12:46:48,207 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:48,207 INFO L422 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] [2020-07-08 12:46:48,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 12:46:48,208 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:48,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:48,209 INFO L82 PathProgramCache]: Analyzing trace with hash -142570686, now seen corresponding path program 1 times [2020-07-08 12:46:48,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:48,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950492217] [2020-07-08 12:46:48,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:48,279 INFO L280 TraceCheckUtils]: 0: Hoare triple {1218#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {1210#true} is VALID [2020-07-08 12:46:48,279 INFO L280 TraceCheckUtils]: 1: Hoare triple {1210#true} assume true; {1210#true} is VALID [2020-07-08 12:46:48,280 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1210#true} {1210#true} #223#return; {1210#true} is VALID [2020-07-08 12:46:48,281 INFO L263 TraceCheckUtils]: 0: Hoare triple {1210#true} call ULTIMATE.init(); {1218#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:48,281 INFO L280 TraceCheckUtils]: 1: Hoare triple {1218#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {1210#true} is VALID [2020-07-08 12:46:48,281 INFO L280 TraceCheckUtils]: 2: Hoare triple {1210#true} assume true; {1210#true} is VALID [2020-07-08 12:46:48,281 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1210#true} {1210#true} #223#return; {1210#true} is VALID [2020-07-08 12:46:48,282 INFO L263 TraceCheckUtils]: 4: Hoare triple {1210#true} call #t~ret7 := main(); {1210#true} is VALID [2020-07-08 12:46:48,282 INFO L280 TraceCheckUtils]: 5: Hoare triple {1210#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {1210#true} is VALID [2020-07-08 12:46:48,282 INFO L280 TraceCheckUtils]: 6: Hoare triple {1210#true} assume !!(~main__urilen~0 <= 1000000); {1210#true} is VALID [2020-07-08 12:46:48,283 INFO L280 TraceCheckUtils]: 7: Hoare triple {1210#true} assume !!(~main__urilen~0 >= -1000000); {1210#true} is VALID [2020-07-08 12:46:48,283 INFO L280 TraceCheckUtils]: 8: Hoare triple {1210#true} assume !!(~main__tokenlen~0 <= 1000000); {1210#true} is VALID [2020-07-08 12:46:48,283 INFO L280 TraceCheckUtils]: 9: Hoare triple {1210#true} assume !!(~main__tokenlen~0 >= -1000000); {1210#true} is VALID [2020-07-08 12:46:48,283 INFO L280 TraceCheckUtils]: 10: Hoare triple {1210#true} assume !!(~main__scheme~0 <= 1000000); {1210#true} is VALID [2020-07-08 12:46:48,284 INFO L280 TraceCheckUtils]: 11: Hoare triple {1210#true} assume !!(~main__scheme~0 >= -1000000); {1210#true} is VALID [2020-07-08 12:46:48,284 INFO L280 TraceCheckUtils]: 12: Hoare triple {1210#true} assume ~main__urilen~0 > 0; {1210#true} is VALID [2020-07-08 12:46:48,284 INFO L280 TraceCheckUtils]: 13: Hoare triple {1210#true} assume ~main__tokenlen~0 > 0; {1210#true} is VALID [2020-07-08 12:46:48,285 INFO L280 TraceCheckUtils]: 14: Hoare triple {1210#true} assume ~main__scheme~0 >= 0; {1215#(<= 0 main_~main__scheme~0)} is VALID [2020-07-08 12:46:48,286 INFO L280 TraceCheckUtils]: 15: Hoare triple {1215#(<= 0 main_~main__scheme~0)} assume !(0 == ~main__scheme~0); {1215#(<= 0 main_~main__scheme~0)} is VALID [2020-07-08 12:46:48,286 INFO L280 TraceCheckUtils]: 16: Hoare triple {1215#(<= 0 main_~main__scheme~0)} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {1216#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:48,287 INFO L280 TraceCheckUtils]: 17: Hoare triple {1216#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {1216#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:48,288 INFO L280 TraceCheckUtils]: 18: Hoare triple {1216#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {1216#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:48,288 INFO L280 TraceCheckUtils]: 19: Hoare triple {1216#(<= 0 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {1216#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:48,289 INFO L280 TraceCheckUtils]: 20: Hoare triple {1216#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {1217#(not (= 0 main_~__VERIFIER_assert__cond~3))} is VALID [2020-07-08 12:46:48,290 INFO L280 TraceCheckUtils]: 21: Hoare triple {1217#(not (= 0 main_~__VERIFIER_assert__cond~3))} assume 0 == ~__VERIFIER_assert__cond~3; {1211#false} is VALID [2020-07-08 12:46:48,290 INFO L280 TraceCheckUtils]: 22: Hoare triple {1211#false} assume !false; {1211#false} is VALID [2020-07-08 12:46:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:48,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950492217] [2020-07-08 12:46:48,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:48,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:46:48,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466273873] [2020-07-08 12:46:48,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-07-08 12:46:48,292 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:48,292 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:46:48,318 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:48,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:46:48,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:48,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:46:48,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:46:48,320 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 6 states. [2020-07-08 12:46:48,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:48,714 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2020-07-08 12:46:48,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 12:46:48,715 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-07-08 12:46:48,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:48,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 79 transitions. [2020-07-08 12:46:48,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:48,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 79 transitions. [2020-07-08 12:46:48,719 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 79 transitions. [2020-07-08 12:46:48,824 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:48,826 INFO L225 Difference]: With dead ends: 76 [2020-07-08 12:46:48,827 INFO L226 Difference]: Without dead ends: 74 [2020-07-08 12:46:48,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-08 12:46:48,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-07-08 12:46:48,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-07-08 12:46:48,865 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:48,865 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand 74 states. [2020-07-08 12:46:48,865 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 74 states. [2020-07-08 12:46:48,865 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 74 states. [2020-07-08 12:46:48,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:48,870 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2020-07-08 12:46:48,871 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2020-07-08 12:46:48,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:48,873 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:48,874 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 74 states. [2020-07-08 12:46:48,874 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 74 states. [2020-07-08 12:46:48,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:48,877 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2020-07-08 12:46:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2020-07-08 12:46:48,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:48,878 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:48,878 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:48,878 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:48,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-07-08 12:46:48,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2020-07-08 12:46:48,885 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 23 [2020-07-08 12:46:48,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:48,885 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2020-07-08 12:46:48,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:46:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2020-07-08 12:46:48,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-08 12:46:48,890 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:48,891 INFO L422 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] [2020-07-08 12:46:48,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 12:46:48,891 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:48,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:48,892 INFO L82 PathProgramCache]: Analyzing trace with hash 402497124, now seen corresponding path program 1 times [2020-07-08 12:46:48,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:48,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701373794] [2020-07-08 12:46:48,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:49,030 INFO L280 TraceCheckUtils]: 0: Hoare triple {1549#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {1541#true} is VALID [2020-07-08 12:46:49,030 INFO L280 TraceCheckUtils]: 1: Hoare triple {1541#true} assume true; {1541#true} is VALID [2020-07-08 12:46:49,031 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1541#true} {1541#true} #223#return; {1541#true} is VALID [2020-07-08 12:46:49,032 INFO L263 TraceCheckUtils]: 0: Hoare triple {1541#true} call ULTIMATE.init(); {1549#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:49,032 INFO L280 TraceCheckUtils]: 1: Hoare triple {1549#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {1541#true} is VALID [2020-07-08 12:46:49,032 INFO L280 TraceCheckUtils]: 2: Hoare triple {1541#true} assume true; {1541#true} is VALID [2020-07-08 12:46:49,033 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1541#true} {1541#true} #223#return; {1541#true} is VALID [2020-07-08 12:46:49,033 INFO L263 TraceCheckUtils]: 4: Hoare triple {1541#true} call #t~ret7 := main(); {1541#true} is VALID [2020-07-08 12:46:49,033 INFO L280 TraceCheckUtils]: 5: Hoare triple {1541#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {1541#true} is VALID [2020-07-08 12:46:49,033 INFO L280 TraceCheckUtils]: 6: Hoare triple {1541#true} assume !!(~main__urilen~0 <= 1000000); {1541#true} is VALID [2020-07-08 12:46:49,034 INFO L280 TraceCheckUtils]: 7: Hoare triple {1541#true} assume !!(~main__urilen~0 >= -1000000); {1541#true} is VALID [2020-07-08 12:46:49,034 INFO L280 TraceCheckUtils]: 8: Hoare triple {1541#true} assume !!(~main__tokenlen~0 <= 1000000); {1541#true} is VALID [2020-07-08 12:46:49,034 INFO L280 TraceCheckUtils]: 9: Hoare triple {1541#true} assume !!(~main__tokenlen~0 >= -1000000); {1541#true} is VALID [2020-07-08 12:46:49,034 INFO L280 TraceCheckUtils]: 10: Hoare triple {1541#true} assume !!(~main__scheme~0 <= 1000000); {1541#true} is VALID [2020-07-08 12:46:49,035 INFO L280 TraceCheckUtils]: 11: Hoare triple {1541#true} assume !!(~main__scheme~0 >= -1000000); {1541#true} is VALID [2020-07-08 12:46:49,035 INFO L280 TraceCheckUtils]: 12: Hoare triple {1541#true} assume ~main__urilen~0 > 0; {1541#true} is VALID [2020-07-08 12:46:49,035 INFO L280 TraceCheckUtils]: 13: Hoare triple {1541#true} assume ~main__tokenlen~0 > 0; {1541#true} is VALID [2020-07-08 12:46:49,035 INFO L280 TraceCheckUtils]: 14: Hoare triple {1541#true} assume ~main__scheme~0 >= 0; {1541#true} is VALID [2020-07-08 12:46:49,036 INFO L280 TraceCheckUtils]: 15: Hoare triple {1541#true} assume !(0 == ~main__scheme~0); {1541#true} is VALID [2020-07-08 12:46:49,036 INFO L280 TraceCheckUtils]: 16: Hoare triple {1541#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {1541#true} is VALID [2020-07-08 12:46:49,036 INFO L280 TraceCheckUtils]: 17: Hoare triple {1541#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {1541#true} is VALID [2020-07-08 12:46:49,037 INFO L280 TraceCheckUtils]: 18: Hoare triple {1541#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {1541#true} is VALID [2020-07-08 12:46:49,038 INFO L280 TraceCheckUtils]: 19: Hoare triple {1541#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {1546#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~2)) (and (= 1 main_~__VERIFIER_assert__cond~2) (< main_~main__cp~0 main_~main__urilen~0)))} is VALID [2020-07-08 12:46:49,039 INFO L280 TraceCheckUtils]: 20: Hoare triple {1546#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~2)) (and (= 1 main_~__VERIFIER_assert__cond~2) (< main_~main__cp~0 main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {1547#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:46:49,039 INFO L280 TraceCheckUtils]: 21: Hoare triple {1547#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {1547#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:46:49,040 INFO L280 TraceCheckUtils]: 22: Hoare triple {1547#(< main_~main__cp~0 main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {1547#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:46:49,041 INFO L280 TraceCheckUtils]: 23: Hoare triple {1547#(< main_~main__cp~0 main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {1548#(not (= main_~__VERIFIER_assert__cond~16 0))} is VALID [2020-07-08 12:46:49,041 INFO L280 TraceCheckUtils]: 24: Hoare triple {1548#(not (= main_~__VERIFIER_assert__cond~16 0))} assume 0 == ~__VERIFIER_assert__cond~16; {1542#false} is VALID [2020-07-08 12:46:49,042 INFO L280 TraceCheckUtils]: 25: Hoare triple {1542#false} assume !false; {1542#false} is VALID [2020-07-08 12:46:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:49,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701373794] [2020-07-08 12:46:49,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:49,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:46:49,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262153263] [2020-07-08 12:46:49,044 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-08 12:46:49,044 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:49,045 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:46:49,070 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:49,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:46:49,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:49,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:46:49,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:46:49,071 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand 6 states. [2020-07-08 12:46:50,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:50,050 INFO L93 Difference]: Finished difference Result 141 states and 147 transitions. [2020-07-08 12:46:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 12:46:50,051 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-08 12:46:50,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:50,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:50,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions. [2020-07-08 12:46:50,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:50,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions. [2020-07-08 12:46:50,059 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 147 transitions. [2020-07-08 12:46:50,253 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 147 edges. 147 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:50,256 INFO L225 Difference]: With dead ends: 141 [2020-07-08 12:46:50,256 INFO L226 Difference]: Without dead ends: 139 [2020-07-08 12:46:50,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-08 12:46:50,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-08 12:46:50,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 77. [2020-07-08 12:46:50,306 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:50,307 INFO L82 GeneralOperation]: Start isEquivalent. First operand 139 states. Second operand 77 states. [2020-07-08 12:46:50,307 INFO L74 IsIncluded]: Start isIncluded. First operand 139 states. Second operand 77 states. [2020-07-08 12:46:50,307 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 77 states. [2020-07-08 12:46:50,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:50,313 INFO L93 Difference]: Finished difference Result 139 states and 145 transitions. [2020-07-08 12:46:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2020-07-08 12:46:50,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:50,313 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:50,314 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 139 states. [2020-07-08 12:46:50,314 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 139 states. [2020-07-08 12:46:50,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:50,318 INFO L93 Difference]: Finished difference Result 139 states and 145 transitions. [2020-07-08 12:46:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2020-07-08 12:46:50,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:50,319 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:50,319 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:50,319 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:50,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-08 12:46:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2020-07-08 12:46:50,322 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 26 [2020-07-08 12:46:50,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:50,322 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2020-07-08 12:46:50,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:46:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2020-07-08 12:46:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-08 12:46:50,323 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:50,324 INFO L422 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] [2020-07-08 12:46:50,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 12:46:50,324 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:50,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:50,325 INFO L82 PathProgramCache]: Analyzing trace with hash 406230933, now seen corresponding path program 1 times [2020-07-08 12:46:50,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:50,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34916791] [2020-07-08 12:46:50,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:50,424 INFO L280 TraceCheckUtils]: 0: Hoare triple {2088#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {2080#true} is VALID [2020-07-08 12:46:50,425 INFO L280 TraceCheckUtils]: 1: Hoare triple {2080#true} assume true; {2080#true} is VALID [2020-07-08 12:46:50,425 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2080#true} {2080#true} #223#return; {2080#true} is VALID [2020-07-08 12:46:50,426 INFO L263 TraceCheckUtils]: 0: Hoare triple {2080#true} call ULTIMATE.init(); {2088#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:50,426 INFO L280 TraceCheckUtils]: 1: Hoare triple {2088#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {2080#true} is VALID [2020-07-08 12:46:50,427 INFO L280 TraceCheckUtils]: 2: Hoare triple {2080#true} assume true; {2080#true} is VALID [2020-07-08 12:46:50,427 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2080#true} {2080#true} #223#return; {2080#true} is VALID [2020-07-08 12:46:50,427 INFO L263 TraceCheckUtils]: 4: Hoare triple {2080#true} call #t~ret7 := main(); {2080#true} is VALID [2020-07-08 12:46:50,427 INFO L280 TraceCheckUtils]: 5: Hoare triple {2080#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {2080#true} is VALID [2020-07-08 12:46:50,427 INFO L280 TraceCheckUtils]: 6: Hoare triple {2080#true} assume !!(~main__urilen~0 <= 1000000); {2080#true} is VALID [2020-07-08 12:46:50,428 INFO L280 TraceCheckUtils]: 7: Hoare triple {2080#true} assume !!(~main__urilen~0 >= -1000000); {2080#true} is VALID [2020-07-08 12:46:50,428 INFO L280 TraceCheckUtils]: 8: Hoare triple {2080#true} assume !!(~main__tokenlen~0 <= 1000000); {2080#true} is VALID [2020-07-08 12:46:50,428 INFO L280 TraceCheckUtils]: 9: Hoare triple {2080#true} assume !!(~main__tokenlen~0 >= -1000000); {2080#true} is VALID [2020-07-08 12:46:50,428 INFO L280 TraceCheckUtils]: 10: Hoare triple {2080#true} assume !!(~main__scheme~0 <= 1000000); {2080#true} is VALID [2020-07-08 12:46:50,428 INFO L280 TraceCheckUtils]: 11: Hoare triple {2080#true} assume !!(~main__scheme~0 >= -1000000); {2080#true} is VALID [2020-07-08 12:46:50,429 INFO L280 TraceCheckUtils]: 12: Hoare triple {2080#true} assume ~main__urilen~0 > 0; {2080#true} is VALID [2020-07-08 12:46:50,429 INFO L280 TraceCheckUtils]: 13: Hoare triple {2080#true} assume ~main__tokenlen~0 > 0; {2080#true} is VALID [2020-07-08 12:46:50,429 INFO L280 TraceCheckUtils]: 14: Hoare triple {2080#true} assume ~main__scheme~0 >= 0; {2080#true} is VALID [2020-07-08 12:46:50,429 INFO L280 TraceCheckUtils]: 15: Hoare triple {2080#true} assume !(0 == ~main__scheme~0); {2080#true} is VALID [2020-07-08 12:46:50,430 INFO L280 TraceCheckUtils]: 16: Hoare triple {2080#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {2080#true} is VALID [2020-07-08 12:46:50,430 INFO L280 TraceCheckUtils]: 17: Hoare triple {2080#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {2080#true} is VALID [2020-07-08 12:46:50,430 INFO L280 TraceCheckUtils]: 18: Hoare triple {2080#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {2080#true} is VALID [2020-07-08 12:46:50,432 INFO L280 TraceCheckUtils]: 19: Hoare triple {2080#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {2085#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~2)) (and (= 1 main_~__VERIFIER_assert__cond~2) (< main_~main__cp~0 main_~main__urilen~0)))} is VALID [2020-07-08 12:46:50,433 INFO L280 TraceCheckUtils]: 20: Hoare triple {2085#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~2)) (and (= 1 main_~__VERIFIER_assert__cond~2) (< main_~main__cp~0 main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {2086#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:46:50,433 INFO L280 TraceCheckUtils]: 21: Hoare triple {2086#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {2086#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:46:50,434 INFO L280 TraceCheckUtils]: 22: Hoare triple {2086#(< main_~main__cp~0 main_~main__urilen~0)} assume !(~main__cp~0 != ~main__urilen~0 - 1); {2086#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:46:50,434 INFO L280 TraceCheckUtils]: 23: Hoare triple {2086#(< main_~main__cp~0 main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {2087#(not (= 0 main_~__VERIFIER_assert__cond~4))} is VALID [2020-07-08 12:46:50,435 INFO L280 TraceCheckUtils]: 24: Hoare triple {2087#(not (= 0 main_~__VERIFIER_assert__cond~4))} assume 0 == ~__VERIFIER_assert__cond~4; {2081#false} is VALID [2020-07-08 12:46:50,435 INFO L280 TraceCheckUtils]: 25: Hoare triple {2081#false} assume !false; {2081#false} is VALID [2020-07-08 12:46:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:50,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34916791] [2020-07-08 12:46:50,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:50,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:46:50,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684320361] [2020-07-08 12:46:50,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-08 12:46:50,438 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:50,438 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:46:50,462 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:50,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:46:50,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:50,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:46:50,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:46:50,464 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand 6 states. [2020-07-08 12:46:51,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:51,182 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2020-07-08 12:46:51,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 12:46:51,182 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-08 12:46:51,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 114 transitions. [2020-07-08 12:46:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:51,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 114 transitions. [2020-07-08 12:46:51,187 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 114 transitions. [2020-07-08 12:46:51,331 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:51,333 INFO L225 Difference]: With dead ends: 108 [2020-07-08 12:46:51,334 INFO L226 Difference]: Without dead ends: 106 [2020-07-08 12:46:51,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-08 12:46:51,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-07-08 12:46:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 79. [2020-07-08 12:46:51,385 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:51,385 INFO L82 GeneralOperation]: Start isEquivalent. First operand 106 states. Second operand 79 states. [2020-07-08 12:46:51,385 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 79 states. [2020-07-08 12:46:51,385 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 79 states. [2020-07-08 12:46:51,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:51,396 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2020-07-08 12:46:51,396 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2020-07-08 12:46:51,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:51,397 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:51,397 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 106 states. [2020-07-08 12:46:51,397 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 106 states. [2020-07-08 12:46:51,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:51,401 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2020-07-08 12:46:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2020-07-08 12:46:51,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:51,402 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:51,402 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:51,402 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:51,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-07-08 12:46:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2020-07-08 12:46:51,405 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 26 [2020-07-08 12:46:51,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:51,407 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2020-07-08 12:46:51,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:46:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-07-08 12:46:51,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-08 12:46:51,408 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:51,408 INFO L422 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] [2020-07-08 12:46:51,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 12:46:51,408 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:51,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:51,409 INFO L82 PathProgramCache]: Analyzing trace with hash -407487796, now seen corresponding path program 1 times [2020-07-08 12:46:51,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:51,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922452405] [2020-07-08 12:46:51,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:51,529 INFO L280 TraceCheckUtils]: 0: Hoare triple {2530#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {2522#true} is VALID [2020-07-08 12:46:51,529 INFO L280 TraceCheckUtils]: 1: Hoare triple {2522#true} assume true; {2522#true} is VALID [2020-07-08 12:46:51,530 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2522#true} {2522#true} #223#return; {2522#true} is VALID [2020-07-08 12:46:51,531 INFO L263 TraceCheckUtils]: 0: Hoare triple {2522#true} call ULTIMATE.init(); {2530#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:51,531 INFO L280 TraceCheckUtils]: 1: Hoare triple {2530#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {2522#true} is VALID [2020-07-08 12:46:51,531 INFO L280 TraceCheckUtils]: 2: Hoare triple {2522#true} assume true; {2522#true} is VALID [2020-07-08 12:46:51,532 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2522#true} {2522#true} #223#return; {2522#true} is VALID [2020-07-08 12:46:51,532 INFO L263 TraceCheckUtils]: 4: Hoare triple {2522#true} call #t~ret7 := main(); {2522#true} is VALID [2020-07-08 12:46:51,532 INFO L280 TraceCheckUtils]: 5: Hoare triple {2522#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {2522#true} is VALID [2020-07-08 12:46:51,532 INFO L280 TraceCheckUtils]: 6: Hoare triple {2522#true} assume !!(~main__urilen~0 <= 1000000); {2522#true} is VALID [2020-07-08 12:46:51,532 INFO L280 TraceCheckUtils]: 7: Hoare triple {2522#true} assume !!(~main__urilen~0 >= -1000000); {2522#true} is VALID [2020-07-08 12:46:51,532 INFO L280 TraceCheckUtils]: 8: Hoare triple {2522#true} assume !!(~main__tokenlen~0 <= 1000000); {2522#true} is VALID [2020-07-08 12:46:51,533 INFO L280 TraceCheckUtils]: 9: Hoare triple {2522#true} assume !!(~main__tokenlen~0 >= -1000000); {2522#true} is VALID [2020-07-08 12:46:51,533 INFO L280 TraceCheckUtils]: 10: Hoare triple {2522#true} assume !!(~main__scheme~0 <= 1000000); {2522#true} is VALID [2020-07-08 12:46:51,533 INFO L280 TraceCheckUtils]: 11: Hoare triple {2522#true} assume !!(~main__scheme~0 >= -1000000); {2522#true} is VALID [2020-07-08 12:46:51,533 INFO L280 TraceCheckUtils]: 12: Hoare triple {2522#true} assume ~main__urilen~0 > 0; {2522#true} is VALID [2020-07-08 12:46:51,533 INFO L280 TraceCheckUtils]: 13: Hoare triple {2522#true} assume ~main__tokenlen~0 > 0; {2522#true} is VALID [2020-07-08 12:46:51,533 INFO L280 TraceCheckUtils]: 14: Hoare triple {2522#true} assume ~main__scheme~0 >= 0; {2522#true} is VALID [2020-07-08 12:46:51,534 INFO L280 TraceCheckUtils]: 15: Hoare triple {2522#true} assume !(0 == ~main__scheme~0); {2522#true} is VALID [2020-07-08 12:46:51,534 INFO L280 TraceCheckUtils]: 16: Hoare triple {2522#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {2522#true} is VALID [2020-07-08 12:46:51,534 INFO L280 TraceCheckUtils]: 17: Hoare triple {2522#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {2522#true} is VALID [2020-07-08 12:46:51,534 INFO L280 TraceCheckUtils]: 18: Hoare triple {2522#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {2522#true} is VALID [2020-07-08 12:46:51,535 INFO L280 TraceCheckUtils]: 19: Hoare triple {2522#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {2522#true} is VALID [2020-07-08 12:46:51,539 INFO L280 TraceCheckUtils]: 20: Hoare triple {2522#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {2527#(or (and (= 0 main_~__VERIFIER_assert__cond~3) (< main_~main__cp~0 0)) (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~3)))} is VALID [2020-07-08 12:46:51,540 INFO L280 TraceCheckUtils]: 21: Hoare triple {2527#(or (and (= 0 main_~__VERIFIER_assert__cond~3) (< main_~main__cp~0 0)) (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~3)))} assume !(0 == ~__VERIFIER_assert__cond~3); {2528#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:51,540 INFO L280 TraceCheckUtils]: 22: Hoare triple {2528#(<= 0 main_~main__cp~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {2528#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:51,541 INFO L280 TraceCheckUtils]: 23: Hoare triple {2528#(<= 0 main_~main__cp~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {2528#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:51,541 INFO L280 TraceCheckUtils]: 24: Hoare triple {2528#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {2529#(not (= main_~__VERIFIER_assert__cond~17 0))} is VALID [2020-07-08 12:46:51,542 INFO L280 TraceCheckUtils]: 25: Hoare triple {2529#(not (= main_~__VERIFIER_assert__cond~17 0))} assume 0 == ~__VERIFIER_assert__cond~17; {2523#false} is VALID [2020-07-08 12:46:51,542 INFO L280 TraceCheckUtils]: 26: Hoare triple {2523#false} assume !false; {2523#false} is VALID [2020-07-08 12:46:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:51,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922452405] [2020-07-08 12:46:51,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:51,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:46:51,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46672089] [2020-07-08 12:46:51,544 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-07-08 12:46:51,544 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:51,544 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:46:51,570 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:51,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:46:51,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:51,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:46:51,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:46:51,571 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 6 states. [2020-07-08 12:46:52,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:52,225 INFO L93 Difference]: Finished difference Result 121 states and 127 transitions. [2020-07-08 12:46:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 12:46:52,225 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-07-08 12:46:52,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:52,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:52,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 125 transitions. [2020-07-08 12:46:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:52,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 125 transitions. [2020-07-08 12:46:52,230 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 125 transitions. [2020-07-08 12:46:52,397 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:52,399 INFO L225 Difference]: With dead ends: 121 [2020-07-08 12:46:52,399 INFO L226 Difference]: Without dead ends: 119 [2020-07-08 12:46:52,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-08 12:46:52,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-08 12:46:52,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 77. [2020-07-08 12:46:52,452 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:52,453 INFO L82 GeneralOperation]: Start isEquivalent. First operand 119 states. Second operand 77 states. [2020-07-08 12:46:52,453 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand 77 states. [2020-07-08 12:46:52,453 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 77 states. [2020-07-08 12:46:52,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:52,457 INFO L93 Difference]: Finished difference Result 119 states and 125 transitions. [2020-07-08 12:46:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2020-07-08 12:46:52,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:52,457 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:52,458 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 119 states. [2020-07-08 12:46:52,458 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 119 states. [2020-07-08 12:46:52,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:52,464 INFO L93 Difference]: Finished difference Result 119 states and 125 transitions. [2020-07-08 12:46:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2020-07-08 12:46:52,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:52,465 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:52,465 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:52,465 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:52,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-08 12:46:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2020-07-08 12:46:52,467 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 27 [2020-07-08 12:46:52,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:52,468 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2020-07-08 12:46:52,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:46:52,468 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2020-07-08 12:46:52,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-08 12:46:52,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:52,468 INFO L422 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] [2020-07-08 12:46:52,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 12:46:52,469 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:52,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:52,469 INFO L82 PathProgramCache]: Analyzing trace with hash -291739827, now seen corresponding path program 1 times [2020-07-08 12:46:52,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:52,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768029717] [2020-07-08 12:46:52,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:52,539 INFO L280 TraceCheckUtils]: 0: Hoare triple {3006#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {2998#true} is VALID [2020-07-08 12:46:52,540 INFO L280 TraceCheckUtils]: 1: Hoare triple {2998#true} assume true; {2998#true} is VALID [2020-07-08 12:46:52,540 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2998#true} {2998#true} #223#return; {2998#true} is VALID [2020-07-08 12:46:52,541 INFO L263 TraceCheckUtils]: 0: Hoare triple {2998#true} call ULTIMATE.init(); {3006#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:52,541 INFO L280 TraceCheckUtils]: 1: Hoare triple {3006#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {2998#true} is VALID [2020-07-08 12:46:52,541 INFO L280 TraceCheckUtils]: 2: Hoare triple {2998#true} assume true; {2998#true} is VALID [2020-07-08 12:46:52,541 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2998#true} {2998#true} #223#return; {2998#true} is VALID [2020-07-08 12:46:52,542 INFO L263 TraceCheckUtils]: 4: Hoare triple {2998#true} call #t~ret7 := main(); {2998#true} is VALID [2020-07-08 12:46:52,542 INFO L280 TraceCheckUtils]: 5: Hoare triple {2998#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {2998#true} is VALID [2020-07-08 12:46:52,542 INFO L280 TraceCheckUtils]: 6: Hoare triple {2998#true} assume !!(~main__urilen~0 <= 1000000); {2998#true} is VALID [2020-07-08 12:46:52,542 INFO L280 TraceCheckUtils]: 7: Hoare triple {2998#true} assume !!(~main__urilen~0 >= -1000000); {2998#true} is VALID [2020-07-08 12:46:52,543 INFO L280 TraceCheckUtils]: 8: Hoare triple {2998#true} assume !!(~main__tokenlen~0 <= 1000000); {2998#true} is VALID [2020-07-08 12:46:52,543 INFO L280 TraceCheckUtils]: 9: Hoare triple {2998#true} assume !!(~main__tokenlen~0 >= -1000000); {2998#true} is VALID [2020-07-08 12:46:52,543 INFO L280 TraceCheckUtils]: 10: Hoare triple {2998#true} assume !!(~main__scheme~0 <= 1000000); {2998#true} is VALID [2020-07-08 12:46:52,543 INFO L280 TraceCheckUtils]: 11: Hoare triple {2998#true} assume !!(~main__scheme~0 >= -1000000); {2998#true} is VALID [2020-07-08 12:46:52,543 INFO L280 TraceCheckUtils]: 12: Hoare triple {2998#true} assume ~main__urilen~0 > 0; {2998#true} is VALID [2020-07-08 12:46:52,544 INFO L280 TraceCheckUtils]: 13: Hoare triple {2998#true} assume ~main__tokenlen~0 > 0; {2998#true} is VALID [2020-07-08 12:46:52,544 INFO L280 TraceCheckUtils]: 14: Hoare triple {2998#true} assume ~main__scheme~0 >= 0; {2998#true} is VALID [2020-07-08 12:46:52,544 INFO L280 TraceCheckUtils]: 15: Hoare triple {2998#true} assume !(0 == ~main__scheme~0); {2998#true} is VALID [2020-07-08 12:46:52,544 INFO L280 TraceCheckUtils]: 16: Hoare triple {2998#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {2998#true} is VALID [2020-07-08 12:46:52,545 INFO L280 TraceCheckUtils]: 17: Hoare triple {2998#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {2998#true} is VALID [2020-07-08 12:46:52,545 INFO L280 TraceCheckUtils]: 18: Hoare triple {2998#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {2998#true} is VALID [2020-07-08 12:46:52,545 INFO L280 TraceCheckUtils]: 19: Hoare triple {2998#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {2998#true} is VALID [2020-07-08 12:46:52,547 INFO L280 TraceCheckUtils]: 20: Hoare triple {2998#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {3003#(or (and (= 0 main_~__VERIFIER_assert__cond~3) (< main_~main__cp~0 0)) (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~3)))} is VALID [2020-07-08 12:46:52,547 INFO L280 TraceCheckUtils]: 21: Hoare triple {3003#(or (and (= 0 main_~__VERIFIER_assert__cond~3) (< main_~main__cp~0 0)) (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~3)))} assume !(0 == ~__VERIFIER_assert__cond~3); {3004#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:52,548 INFO L280 TraceCheckUtils]: 22: Hoare triple {3004#(<= 0 main_~main__cp~0)} assume !(~main__cp~0 != ~main__urilen~0 - 1); {3004#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:52,548 INFO L280 TraceCheckUtils]: 23: Hoare triple {3004#(<= 0 main_~main__cp~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {3004#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:52,549 INFO L280 TraceCheckUtils]: 24: Hoare triple {3004#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {3005#(not (= 0 main_~__VERIFIER_assert__cond~5))} is VALID [2020-07-08 12:46:52,550 INFO L280 TraceCheckUtils]: 25: Hoare triple {3005#(not (= 0 main_~__VERIFIER_assert__cond~5))} assume 0 == ~__VERIFIER_assert__cond~5; {2999#false} is VALID [2020-07-08 12:46:52,550 INFO L280 TraceCheckUtils]: 26: Hoare triple {2999#false} assume !false; {2999#false} is VALID [2020-07-08 12:46:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:52,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768029717] [2020-07-08 12:46:52,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:52,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:46:52,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453580565] [2020-07-08 12:46:52,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-07-08 12:46:52,552 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:52,553 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:46:52,584 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:52,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:46:52,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:52,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:46:52,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:46:52,585 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand 6 states. [2020-07-08 12:46:53,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:53,067 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2020-07-08 12:46:53,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 12:46:53,068 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-07-08 12:46:53,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:53,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 75 transitions. [2020-07-08 12:46:53,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:53,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 75 transitions. [2020-07-08 12:46:53,072 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 75 transitions. [2020-07-08 12:46:53,187 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:53,189 INFO L225 Difference]: With dead ends: 77 [2020-07-08 12:46:53,189 INFO L226 Difference]: Without dead ends: 75 [2020-07-08 12:46:53,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-08 12:46:53,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-07-08 12:46:53,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-07-08 12:46:53,249 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:53,249 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2020-07-08 12:46:53,249 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-08 12:46:53,249 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-08 12:46:53,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:53,255 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2020-07-08 12:46:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-07-08 12:46:53,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:53,256 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:53,256 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-08 12:46:53,256 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-08 12:46:53,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:53,259 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2020-07-08 12:46:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-07-08 12:46:53,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:53,259 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:53,259 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:53,259 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-08 12:46:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2020-07-08 12:46:53,262 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 27 [2020-07-08 12:46:53,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:53,262 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2020-07-08 12:46:53,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:46:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-07-08 12:46:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-08 12:46:53,263 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:53,263 INFO L422 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] [2020-07-08 12:46:53,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-08 12:46:53,263 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:53,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:53,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1188998893, now seen corresponding path program 1 times [2020-07-08 12:46:53,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:53,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149649072] [2020-07-08 12:46:53,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:53,358 INFO L280 TraceCheckUtils]: 0: Hoare triple {3343#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {3337#true} is VALID [2020-07-08 12:46:53,359 INFO L280 TraceCheckUtils]: 1: Hoare triple {3337#true} assume true; {3337#true} is VALID [2020-07-08 12:46:53,359 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3337#true} {3337#true} #223#return; {3337#true} is VALID [2020-07-08 12:46:53,360 INFO L263 TraceCheckUtils]: 0: Hoare triple {3337#true} call ULTIMATE.init(); {3343#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:53,360 INFO L280 TraceCheckUtils]: 1: Hoare triple {3343#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {3337#true} is VALID [2020-07-08 12:46:53,360 INFO L280 TraceCheckUtils]: 2: Hoare triple {3337#true} assume true; {3337#true} is VALID [2020-07-08 12:46:53,361 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3337#true} {3337#true} #223#return; {3337#true} is VALID [2020-07-08 12:46:53,361 INFO L263 TraceCheckUtils]: 4: Hoare triple {3337#true} call #t~ret7 := main(); {3337#true} is VALID [2020-07-08 12:46:53,361 INFO L280 TraceCheckUtils]: 5: Hoare triple {3337#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {3337#true} is VALID [2020-07-08 12:46:53,361 INFO L280 TraceCheckUtils]: 6: Hoare triple {3337#true} assume !!(~main__urilen~0 <= 1000000); {3337#true} is VALID [2020-07-08 12:46:53,361 INFO L280 TraceCheckUtils]: 7: Hoare triple {3337#true} assume !!(~main__urilen~0 >= -1000000); {3337#true} is VALID [2020-07-08 12:46:53,362 INFO L280 TraceCheckUtils]: 8: Hoare triple {3337#true} assume !!(~main__tokenlen~0 <= 1000000); {3337#true} is VALID [2020-07-08 12:46:53,362 INFO L280 TraceCheckUtils]: 9: Hoare triple {3337#true} assume !!(~main__tokenlen~0 >= -1000000); {3337#true} is VALID [2020-07-08 12:46:53,362 INFO L280 TraceCheckUtils]: 10: Hoare triple {3337#true} assume !!(~main__scheme~0 <= 1000000); {3337#true} is VALID [2020-07-08 12:46:53,362 INFO L280 TraceCheckUtils]: 11: Hoare triple {3337#true} assume !!(~main__scheme~0 >= -1000000); {3337#true} is VALID [2020-07-08 12:46:53,363 INFO L280 TraceCheckUtils]: 12: Hoare triple {3337#true} assume ~main__urilen~0 > 0; {3337#true} is VALID [2020-07-08 12:46:53,363 INFO L280 TraceCheckUtils]: 13: Hoare triple {3337#true} assume ~main__tokenlen~0 > 0; {3337#true} is VALID [2020-07-08 12:46:53,363 INFO L280 TraceCheckUtils]: 14: Hoare triple {3337#true} assume ~main__scheme~0 >= 0; {3337#true} is VALID [2020-07-08 12:46:53,363 INFO L280 TraceCheckUtils]: 15: Hoare triple {3337#true} assume !(0 == ~main__scheme~0); {3337#true} is VALID [2020-07-08 12:46:53,363 INFO L280 TraceCheckUtils]: 16: Hoare triple {3337#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {3337#true} is VALID [2020-07-08 12:46:53,364 INFO L280 TraceCheckUtils]: 17: Hoare triple {3337#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {3337#true} is VALID [2020-07-08 12:46:53,364 INFO L280 TraceCheckUtils]: 18: Hoare triple {3337#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {3337#true} is VALID [2020-07-08 12:46:53,364 INFO L280 TraceCheckUtils]: 19: Hoare triple {3337#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {3337#true} is VALID [2020-07-08 12:46:53,364 INFO L280 TraceCheckUtils]: 20: Hoare triple {3337#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {3337#true} is VALID [2020-07-08 12:46:53,365 INFO L280 TraceCheckUtils]: 21: Hoare triple {3337#true} assume !(0 == ~__VERIFIER_assert__cond~3); {3337#true} is VALID [2020-07-08 12:46:53,365 INFO L280 TraceCheckUtils]: 22: Hoare triple {3337#true} assume !(~main__cp~0 != ~main__urilen~0 - 1); {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:53,366 INFO L280 TraceCheckUtils]: 23: Hoare triple {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:53,366 INFO L280 TraceCheckUtils]: 24: Hoare triple {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:53,367 INFO L280 TraceCheckUtils]: 25: Hoare triple {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~5); {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:53,368 INFO L280 TraceCheckUtils]: 26: Hoare triple {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {3338#false} is VALID [2020-07-08 12:46:53,368 INFO L280 TraceCheckUtils]: 27: Hoare triple {3338#false} assume 0 == ~__VERIFIER_assert__cond~6; {3338#false} is VALID [2020-07-08 12:46:53,368 INFO L280 TraceCheckUtils]: 28: Hoare triple {3338#false} assume !false; {3338#false} is VALID [2020-07-08 12:46:53,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:53,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149649072] [2020-07-08 12:46:53,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:53,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 12:46:53,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148136348] [2020-07-08 12:46:53,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-07-08 12:46:53,371 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:53,371 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 12:46:53,408 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:53,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 12:46:53,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:53,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 12:46:53,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 12:46:53,409 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand 4 states. [2020-07-08 12:46:53,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:53,711 INFO L93 Difference]: Finished difference Result 115 states and 121 transitions. [2020-07-08 12:46:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 12:46:53,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-07-08 12:46:53,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 12:46:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2020-07-08 12:46:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 12:46:53,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2020-07-08 12:46:53,715 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 114 transitions. [2020-07-08 12:46:53,844 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:53,846 INFO L225 Difference]: With dead ends: 115 [2020-07-08 12:46:53,846 INFO L226 Difference]: Without dead ends: 75 [2020-07-08 12:46:53,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-08 12:46:53,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-07-08 12:46:53,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-07-08 12:46:53,894 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:53,894 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2020-07-08 12:46:53,894 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-08 12:46:53,894 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-08 12:46:53,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:53,897 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2020-07-08 12:46:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2020-07-08 12:46:53,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:53,898 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:53,898 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-08 12:46:53,898 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-08 12:46:53,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:53,901 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2020-07-08 12:46:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2020-07-08 12:46:53,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:53,901 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:53,902 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:53,902 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:53,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-08 12:46:53,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2020-07-08 12:46:53,904 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 29 [2020-07-08 12:46:53,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:53,904 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2020-07-08 12:46:53,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 12:46:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2020-07-08 12:46:53,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-08 12:46:53,905 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:53,905 INFO L422 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] [2020-07-08 12:46:53,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-08 12:46:53,906 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:53,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:53,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1640998784, now seen corresponding path program 1 times [2020-07-08 12:46:53,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:53,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563382475] [2020-07-08 12:46:53,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:54,018 INFO L280 TraceCheckUtils]: 0: Hoare triple {3719#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {3711#true} is VALID [2020-07-08 12:46:54,019 INFO L280 TraceCheckUtils]: 1: Hoare triple {3711#true} assume true; {3711#true} is VALID [2020-07-08 12:46:54,019 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3711#true} {3711#true} #223#return; {3711#true} is VALID [2020-07-08 12:46:54,021 INFO L263 TraceCheckUtils]: 0: Hoare triple {3711#true} call ULTIMATE.init(); {3719#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:54,021 INFO L280 TraceCheckUtils]: 1: Hoare triple {3719#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {3711#true} is VALID [2020-07-08 12:46:54,021 INFO L280 TraceCheckUtils]: 2: Hoare triple {3711#true} assume true; {3711#true} is VALID [2020-07-08 12:46:54,022 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3711#true} {3711#true} #223#return; {3711#true} is VALID [2020-07-08 12:46:54,022 INFO L263 TraceCheckUtils]: 4: Hoare triple {3711#true} call #t~ret7 := main(); {3711#true} is VALID [2020-07-08 12:46:54,024 INFO L280 TraceCheckUtils]: 5: Hoare triple {3711#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {3711#true} is VALID [2020-07-08 12:46:54,024 INFO L280 TraceCheckUtils]: 6: Hoare triple {3711#true} assume !!(~main__urilen~0 <= 1000000); {3711#true} is VALID [2020-07-08 12:46:54,024 INFO L280 TraceCheckUtils]: 7: Hoare triple {3711#true} assume !!(~main__urilen~0 >= -1000000); {3711#true} is VALID [2020-07-08 12:46:54,024 INFO L280 TraceCheckUtils]: 8: Hoare triple {3711#true} assume !!(~main__tokenlen~0 <= 1000000); {3711#true} is VALID [2020-07-08 12:46:54,025 INFO L280 TraceCheckUtils]: 9: Hoare triple {3711#true} assume !!(~main__tokenlen~0 >= -1000000); {3711#true} is VALID [2020-07-08 12:46:54,025 INFO L280 TraceCheckUtils]: 10: Hoare triple {3711#true} assume !!(~main__scheme~0 <= 1000000); {3711#true} is VALID [2020-07-08 12:46:54,025 INFO L280 TraceCheckUtils]: 11: Hoare triple {3711#true} assume !!(~main__scheme~0 >= -1000000); {3711#true} is VALID [2020-07-08 12:46:54,025 INFO L280 TraceCheckUtils]: 12: Hoare triple {3711#true} assume ~main__urilen~0 > 0; {3711#true} is VALID [2020-07-08 12:46:54,026 INFO L280 TraceCheckUtils]: 13: Hoare triple {3711#true} assume ~main__tokenlen~0 > 0; {3711#true} is VALID [2020-07-08 12:46:54,026 INFO L280 TraceCheckUtils]: 14: Hoare triple {3711#true} assume ~main__scheme~0 >= 0; {3711#true} is VALID [2020-07-08 12:46:54,030 INFO L280 TraceCheckUtils]: 15: Hoare triple {3711#true} assume !(0 == ~main__scheme~0); {3711#true} is VALID [2020-07-08 12:46:54,031 INFO L280 TraceCheckUtils]: 16: Hoare triple {3711#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,032 INFO L280 TraceCheckUtils]: 17: Hoare triple {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,033 INFO L280 TraceCheckUtils]: 18: Hoare triple {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,033 INFO L280 TraceCheckUtils]: 19: Hoare triple {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,034 INFO L280 TraceCheckUtils]: 20: Hoare triple {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,035 INFO L280 TraceCheckUtils]: 21: Hoare triple {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,036 INFO L280 TraceCheckUtils]: 22: Hoare triple {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {3717#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:54,045 INFO L280 TraceCheckUtils]: 23: Hoare triple {3717#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~main____CPAchecker_TMP_1~0); {3717#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:54,046 INFO L280 TraceCheckUtils]: 24: Hoare triple {3717#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {3717#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:54,047 INFO L280 TraceCheckUtils]: 25: Hoare triple {3717#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {3717#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:54,048 INFO L280 TraceCheckUtils]: 26: Hoare triple {3717#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~5); {3717#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:54,049 INFO L280 TraceCheckUtils]: 27: Hoare triple {3717#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {3718#(not (= 0 main_~__VERIFIER_assert__cond~6))} is VALID [2020-07-08 12:46:54,050 INFO L280 TraceCheckUtils]: 28: Hoare triple {3718#(not (= 0 main_~__VERIFIER_assert__cond~6))} assume 0 == ~__VERIFIER_assert__cond~6; {3712#false} is VALID [2020-07-08 12:46:54,050 INFO L280 TraceCheckUtils]: 29: Hoare triple {3712#false} assume !false; {3712#false} is VALID [2020-07-08 12:46:54,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:54,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563382475] [2020-07-08 12:46:54,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:54,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:46:54,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766983193] [2020-07-08 12:46:54,054 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-08 12:46:54,054 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:54,054 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:46:54,088 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:54,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:46:54,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:54,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:46:54,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:46:54,090 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 6 states. [2020-07-08 12:46:54,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:54,534 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2020-07-08 12:46:54,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 12:46:54,535 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-08 12:46:54,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:54,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:54,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 73 transitions. [2020-07-08 12:46:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 73 transitions. [2020-07-08 12:46:54,538 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 73 transitions. [2020-07-08 12:46:54,626 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:54,628 INFO L225 Difference]: With dead ends: 76 [2020-07-08 12:46:54,629 INFO L226 Difference]: Without dead ends: 74 [2020-07-08 12:46:54,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-08 12:46:54,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-07-08 12:46:54,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2020-07-08 12:46:54,688 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:54,688 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand 73 states. [2020-07-08 12:46:54,688 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 73 states. [2020-07-08 12:46:54,688 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 73 states. [2020-07-08 12:46:54,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:54,690 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2020-07-08 12:46:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2020-07-08 12:46:54,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:54,691 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:54,691 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 74 states. [2020-07-08 12:46:54,691 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 74 states. [2020-07-08 12:46:54,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:54,693 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2020-07-08 12:46:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2020-07-08 12:46:54,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:54,693 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:54,694 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:54,694 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:54,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-07-08 12:46:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2020-07-08 12:46:54,695 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 30 [2020-07-08 12:46:54,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:54,696 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2020-07-08 12:46:54,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:46:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2020-07-08 12:46:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-08 12:46:54,697 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:54,697 INFO L422 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] [2020-07-08 12:46:54,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-08 12:46:54,697 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1892106755, now seen corresponding path program 1 times [2020-07-08 12:46:54,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:54,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225223328] [2020-07-08 12:46:54,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:54,806 INFO L280 TraceCheckUtils]: 0: Hoare triple {4056#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {4048#true} is VALID [2020-07-08 12:46:54,806 INFO L280 TraceCheckUtils]: 1: Hoare triple {4048#true} assume true; {4048#true} is VALID [2020-07-08 12:46:54,807 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4048#true} {4048#true} #223#return; {4048#true} is VALID [2020-07-08 12:46:54,808 INFO L263 TraceCheckUtils]: 0: Hoare triple {4048#true} call ULTIMATE.init(); {4056#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:54,808 INFO L280 TraceCheckUtils]: 1: Hoare triple {4056#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {4048#true} is VALID [2020-07-08 12:46:54,808 INFO L280 TraceCheckUtils]: 2: Hoare triple {4048#true} assume true; {4048#true} is VALID [2020-07-08 12:46:54,808 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4048#true} {4048#true} #223#return; {4048#true} is VALID [2020-07-08 12:46:54,808 INFO L263 TraceCheckUtils]: 4: Hoare triple {4048#true} call #t~ret7 := main(); {4048#true} is VALID [2020-07-08 12:46:54,809 INFO L280 TraceCheckUtils]: 5: Hoare triple {4048#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {4048#true} is VALID [2020-07-08 12:46:54,809 INFO L280 TraceCheckUtils]: 6: Hoare triple {4048#true} assume !!(~main__urilen~0 <= 1000000); {4048#true} is VALID [2020-07-08 12:46:54,809 INFO L280 TraceCheckUtils]: 7: Hoare triple {4048#true} assume !!(~main__urilen~0 >= -1000000); {4048#true} is VALID [2020-07-08 12:46:54,809 INFO L280 TraceCheckUtils]: 8: Hoare triple {4048#true} assume !!(~main__tokenlen~0 <= 1000000); {4048#true} is VALID [2020-07-08 12:46:54,809 INFO L280 TraceCheckUtils]: 9: Hoare triple {4048#true} assume !!(~main__tokenlen~0 >= -1000000); {4048#true} is VALID [2020-07-08 12:46:54,810 INFO L280 TraceCheckUtils]: 10: Hoare triple {4048#true} assume !!(~main__scheme~0 <= 1000000); {4048#true} is VALID [2020-07-08 12:46:54,810 INFO L280 TraceCheckUtils]: 11: Hoare triple {4048#true} assume !!(~main__scheme~0 >= -1000000); {4048#true} is VALID [2020-07-08 12:46:54,810 INFO L280 TraceCheckUtils]: 12: Hoare triple {4048#true} assume ~main__urilen~0 > 0; {4048#true} is VALID [2020-07-08 12:46:54,810 INFO L280 TraceCheckUtils]: 13: Hoare triple {4048#true} assume ~main__tokenlen~0 > 0; {4048#true} is VALID [2020-07-08 12:46:54,811 INFO L280 TraceCheckUtils]: 14: Hoare triple {4048#true} assume ~main__scheme~0 >= 0; {4048#true} is VALID [2020-07-08 12:46:54,811 INFO L280 TraceCheckUtils]: 15: Hoare triple {4048#true} assume !(0 == ~main__scheme~0); {4048#true} is VALID [2020-07-08 12:46:54,811 INFO L280 TraceCheckUtils]: 16: Hoare triple {4048#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,812 INFO L280 TraceCheckUtils]: 17: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,813 INFO L280 TraceCheckUtils]: 18: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,815 INFO L280 TraceCheckUtils]: 19: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,816 INFO L280 TraceCheckUtils]: 20: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,817 INFO L280 TraceCheckUtils]: 21: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,819 INFO L280 TraceCheckUtils]: 22: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,820 INFO L280 TraceCheckUtils]: 23: Hoare triple {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,821 INFO L280 TraceCheckUtils]: 24: Hoare triple {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,823 INFO L280 TraceCheckUtils]: 25: Hoare triple {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~17);~main__cp~0 := 1 + ~main__cp~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,823 INFO L280 TraceCheckUtils]: 26: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:54,824 INFO L280 TraceCheckUtils]: 27: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {4055#(not (= main_~__VERIFIER_assert__cond~16 0))} is VALID [2020-07-08 12:46:54,824 INFO L280 TraceCheckUtils]: 28: Hoare triple {4055#(not (= main_~__VERIFIER_assert__cond~16 0))} assume 0 == ~__VERIFIER_assert__cond~16; {4049#false} is VALID [2020-07-08 12:46:54,825 INFO L280 TraceCheckUtils]: 29: Hoare triple {4049#false} assume !false; {4049#false} is VALID [2020-07-08 12:46:54,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-08 12:46:54,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225223328] [2020-07-08 12:46:54,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345843223] [2020-07-08 12:46:54,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-08 12:46:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:54,877 INFO L264 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-08 12:46:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:54,894 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-08 12:46:55,036 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-08 12:46:55,054 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-08 12:46:55,086 INFO L263 TraceCheckUtils]: 0: Hoare triple {4048#true} call ULTIMATE.init(); {4048#true} is VALID [2020-07-08 12:46:55,087 INFO L280 TraceCheckUtils]: 1: Hoare triple {4048#true} ~__return_main~0 := 0;~__return_375~0 := 0; {4048#true} is VALID [2020-07-08 12:46:55,087 INFO L280 TraceCheckUtils]: 2: Hoare triple {4048#true} assume true; {4048#true} is VALID [2020-07-08 12:46:55,087 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4048#true} {4048#true} #223#return; {4048#true} is VALID [2020-07-08 12:46:55,088 INFO L263 TraceCheckUtils]: 4: Hoare triple {4048#true} call #t~ret7 := main(); {4048#true} is VALID [2020-07-08 12:46:55,088 INFO L280 TraceCheckUtils]: 5: Hoare triple {4048#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {4048#true} is VALID [2020-07-08 12:46:55,088 INFO L280 TraceCheckUtils]: 6: Hoare triple {4048#true} assume !!(~main__urilen~0 <= 1000000); {4048#true} is VALID [2020-07-08 12:46:55,088 INFO L280 TraceCheckUtils]: 7: Hoare triple {4048#true} assume !!(~main__urilen~0 >= -1000000); {4048#true} is VALID [2020-07-08 12:46:55,089 INFO L280 TraceCheckUtils]: 8: Hoare triple {4048#true} assume !!(~main__tokenlen~0 <= 1000000); {4048#true} is VALID [2020-07-08 12:46:55,089 INFO L280 TraceCheckUtils]: 9: Hoare triple {4048#true} assume !!(~main__tokenlen~0 >= -1000000); {4048#true} is VALID [2020-07-08 12:46:55,089 INFO L280 TraceCheckUtils]: 10: Hoare triple {4048#true} assume !!(~main__scheme~0 <= 1000000); {4048#true} is VALID [2020-07-08 12:46:55,090 INFO L280 TraceCheckUtils]: 11: Hoare triple {4048#true} assume !!(~main__scheme~0 >= -1000000); {4048#true} is VALID [2020-07-08 12:46:55,090 INFO L280 TraceCheckUtils]: 12: Hoare triple {4048#true} assume ~main__urilen~0 > 0; {4048#true} is VALID [2020-07-08 12:46:55,090 INFO L280 TraceCheckUtils]: 13: Hoare triple {4048#true} assume ~main__tokenlen~0 > 0; {4048#true} is VALID [2020-07-08 12:46:55,090 INFO L280 TraceCheckUtils]: 14: Hoare triple {4048#true} assume ~main__scheme~0 >= 0; {4048#true} is VALID [2020-07-08 12:46:55,091 INFO L280 TraceCheckUtils]: 15: Hoare triple {4048#true} assume !(0 == ~main__scheme~0); {4048#true} is VALID [2020-07-08 12:46:55,092 INFO L280 TraceCheckUtils]: 16: Hoare triple {4048#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:55,092 INFO L280 TraceCheckUtils]: 17: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:55,093 INFO L280 TraceCheckUtils]: 18: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:55,093 INFO L280 TraceCheckUtils]: 19: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:55,094 INFO L280 TraceCheckUtils]: 20: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:55,095 INFO L280 TraceCheckUtils]: 21: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:55,096 INFO L280 TraceCheckUtils]: 22: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:55,096 INFO L280 TraceCheckUtils]: 23: Hoare triple {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:55,097 INFO L280 TraceCheckUtils]: 24: Hoare triple {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:55,098 INFO L280 TraceCheckUtils]: 25: Hoare triple {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~17);~main__cp~0 := 1 + ~main__cp~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:55,099 INFO L280 TraceCheckUtils]: 26: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:55,100 INFO L280 TraceCheckUtils]: 27: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {4141#(<= 1 main_~__VERIFIER_assert__cond~16)} is VALID [2020-07-08 12:46:55,101 INFO L280 TraceCheckUtils]: 28: Hoare triple {4141#(<= 1 main_~__VERIFIER_assert__cond~16)} assume 0 == ~__VERIFIER_assert__cond~16; {4049#false} is VALID [2020-07-08 12:46:55,101 INFO L280 TraceCheckUtils]: 29: Hoare triple {4049#false} assume !false; {4049#false} is VALID [2020-07-08 12:46:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-08 12:46:55,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-08 12:46:55,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2020-07-08 12:46:55,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230639922] [2020-07-08 12:46:55,105 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-07-08 12:46:55,105 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:55,105 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 12:46:55,143 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:55,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 12:46:55,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:55,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 12:46:55,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-08 12:46:55,144 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand 7 states. [2020-07-08 12:46:55,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:55,733 INFO L93 Difference]: Finished difference Result 111 states and 115 transitions. [2020-07-08 12:46:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 12:46:55,734 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-07-08 12:46:55,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:55,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 12:46:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2020-07-08 12:46:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 12:46:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2020-07-08 12:46:55,737 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 114 transitions. [2020-07-08 12:46:55,892 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:55,894 INFO L225 Difference]: With dead ends: 111 [2020-07-08 12:46:55,894 INFO L226 Difference]: Without dead ends: 109 [2020-07-08 12:46:55,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-08 12:46:55,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-08 12:46:55,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 70. [2020-07-08 12:46:55,962 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:55,963 INFO L82 GeneralOperation]: Start isEquivalent. First operand 109 states. Second operand 70 states. [2020-07-08 12:46:55,963 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 70 states. [2020-07-08 12:46:55,963 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 70 states. [2020-07-08 12:46:55,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:55,966 INFO L93 Difference]: Finished difference Result 109 states and 113 transitions. [2020-07-08 12:46:55,966 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2020-07-08 12:46:55,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:55,966 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:55,967 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 109 states. [2020-07-08 12:46:55,967 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 109 states. [2020-07-08 12:46:55,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:55,969 INFO L93 Difference]: Finished difference Result 109 states and 113 transitions. [2020-07-08 12:46:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2020-07-08 12:46:55,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:55,970 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:55,970 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:55,970 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-08 12:46:55,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 73 transitions. [2020-07-08 12:46:55,972 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 73 transitions. Word has length 30 [2020-07-08 12:46:55,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:55,972 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 73 transitions. [2020-07-08 12:46:55,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 12:46:55,973 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions. [2020-07-08 12:46:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-08 12:46:55,973 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:55,973 INFO L422 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] [2020-07-08 12:46:56,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-08 12:46:56,189 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:56,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:56,189 INFO L82 PathProgramCache]: Analyzing trace with hash 668648404, now seen corresponding path program 1 times [2020-07-08 12:46:56,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:56,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248231980] [2020-07-08 12:46:56,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:56,268 INFO L280 TraceCheckUtils]: 0: Hoare triple {4586#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {4578#true} is VALID [2020-07-08 12:46:56,268 INFO L280 TraceCheckUtils]: 1: Hoare triple {4578#true} assume true; {4578#true} is VALID [2020-07-08 12:46:56,268 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4578#true} {4578#true} #223#return; {4578#true} is VALID [2020-07-08 12:46:56,269 INFO L263 TraceCheckUtils]: 0: Hoare triple {4578#true} call ULTIMATE.init(); {4586#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:56,269 INFO L280 TraceCheckUtils]: 1: Hoare triple {4586#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {4578#true} is VALID [2020-07-08 12:46:56,269 INFO L280 TraceCheckUtils]: 2: Hoare triple {4578#true} assume true; {4578#true} is VALID [2020-07-08 12:46:56,269 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4578#true} {4578#true} #223#return; {4578#true} is VALID [2020-07-08 12:46:56,270 INFO L263 TraceCheckUtils]: 4: Hoare triple {4578#true} call #t~ret7 := main(); {4578#true} is VALID [2020-07-08 12:46:56,270 INFO L280 TraceCheckUtils]: 5: Hoare triple {4578#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {4578#true} is VALID [2020-07-08 12:46:56,270 INFO L280 TraceCheckUtils]: 6: Hoare triple {4578#true} assume !!(~main__urilen~0 <= 1000000); {4578#true} is VALID [2020-07-08 12:46:56,270 INFO L280 TraceCheckUtils]: 7: Hoare triple {4578#true} assume !!(~main__urilen~0 >= -1000000); {4578#true} is VALID [2020-07-08 12:46:56,270 INFO L280 TraceCheckUtils]: 8: Hoare triple {4578#true} assume !!(~main__tokenlen~0 <= 1000000); {4578#true} is VALID [2020-07-08 12:46:56,271 INFO L280 TraceCheckUtils]: 9: Hoare triple {4578#true} assume !!(~main__tokenlen~0 >= -1000000); {4578#true} is VALID [2020-07-08 12:46:56,271 INFO L280 TraceCheckUtils]: 10: Hoare triple {4578#true} assume !!(~main__scheme~0 <= 1000000); {4578#true} is VALID [2020-07-08 12:46:56,271 INFO L280 TraceCheckUtils]: 11: Hoare triple {4578#true} assume !!(~main__scheme~0 >= -1000000); {4578#true} is VALID [2020-07-08 12:46:56,276 INFO L280 TraceCheckUtils]: 12: Hoare triple {4578#true} assume ~main__urilen~0 > 0; {4578#true} is VALID [2020-07-08 12:46:56,277 INFO L280 TraceCheckUtils]: 13: Hoare triple {4578#true} assume ~main__tokenlen~0 > 0; {4578#true} is VALID [2020-07-08 12:46:56,277 INFO L280 TraceCheckUtils]: 14: Hoare triple {4578#true} assume ~main__scheme~0 >= 0; {4583#(<= 0 main_~main__scheme~0)} is VALID [2020-07-08 12:46:56,278 INFO L280 TraceCheckUtils]: 15: Hoare triple {4583#(<= 0 main_~main__scheme~0)} assume !(0 == ~main__scheme~0); {4583#(<= 0 main_~main__scheme~0)} is VALID [2020-07-08 12:46:56,279 INFO L280 TraceCheckUtils]: 16: Hoare triple {4583#(<= 0 main_~main__scheme~0)} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:56,279 INFO L280 TraceCheckUtils]: 17: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:56,280 INFO L280 TraceCheckUtils]: 18: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:56,280 INFO L280 TraceCheckUtils]: 19: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:56,281 INFO L280 TraceCheckUtils]: 20: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:56,281 INFO L280 TraceCheckUtils]: 21: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:56,282 INFO L280 TraceCheckUtils]: 22: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:56,282 INFO L280 TraceCheckUtils]: 23: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_1~0); {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:56,283 INFO L280 TraceCheckUtils]: 24: Hoare triple {4584#(<= 0 main_~main__cp~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:56,283 INFO L280 TraceCheckUtils]: 25: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:56,284 INFO L280 TraceCheckUtils]: 26: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~5); {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:56,284 INFO L280 TraceCheckUtils]: 27: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:56,285 INFO L280 TraceCheckUtils]: 28: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {4585#(not (= 0 main_~__VERIFIER_assert__cond~7))} is VALID [2020-07-08 12:46:56,286 INFO L280 TraceCheckUtils]: 29: Hoare triple {4585#(not (= 0 main_~__VERIFIER_assert__cond~7))} assume 0 == ~__VERIFIER_assert__cond~7; {4579#false} is VALID [2020-07-08 12:46:56,286 INFO L280 TraceCheckUtils]: 30: Hoare triple {4579#false} assume !false; {4579#false} is VALID [2020-07-08 12:46:56,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:56,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248231980] [2020-07-08 12:46:56,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:56,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:46:56,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408905932] [2020-07-08 12:46:56,288 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-07-08 12:46:56,288 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:56,288 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:46:56,315 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:56,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:46:56,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:56,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:46:56,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:46:56,316 INFO L87 Difference]: Start difference. First operand 70 states and 73 transitions. Second operand 6 states. [2020-07-08 12:46:56,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:56,690 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2020-07-08 12:46:56,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 12:46:56,690 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-07-08 12:46:56,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:56,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:56,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 68 transitions. [2020-07-08 12:46:56,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:56,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 68 transitions. [2020-07-08 12:46:56,693 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 68 transitions. [2020-07-08 12:46:56,783 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:56,787 INFO L225 Difference]: With dead ends: 70 [2020-07-08 12:46:56,787 INFO L226 Difference]: Without dead ends: 68 [2020-07-08 12:46:56,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-08 12:46:56,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-08 12:46:56,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-07-08 12:46:56,858 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:56,858 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 68 states. [2020-07-08 12:46:56,859 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-08 12:46:56,859 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-08 12:46:56,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:56,860 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2020-07-08 12:46:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-07-08 12:46:56,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:56,861 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:56,861 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-08 12:46:56,861 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-08 12:46:56,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:56,862 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2020-07-08 12:46:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-07-08 12:46:56,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:56,862 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:56,862 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:56,863 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:56,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-07-08 12:46:56,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 71 transitions. [2020-07-08 12:46:56,864 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 71 transitions. Word has length 31 [2020-07-08 12:46:56,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:56,864 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 71 transitions. [2020-07-08 12:46:56,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:46:56,864 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-07-08 12:46:56,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-08 12:46:56,865 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:56,865 INFO L422 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] [2020-07-08 12:46:56,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-08 12:46:56,865 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:56,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:56,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1470784207, now seen corresponding path program 1 times [2020-07-08 12:46:56,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:56,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8954042] [2020-07-08 12:46:56,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:56,976 INFO L280 TraceCheckUtils]: 0: Hoare triple {4897#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {4889#true} is VALID [2020-07-08 12:46:56,976 INFO L280 TraceCheckUtils]: 1: Hoare triple {4889#true} assume true; {4889#true} is VALID [2020-07-08 12:46:56,977 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4889#true} {4889#true} #223#return; {4889#true} is VALID [2020-07-08 12:46:56,978 INFO L263 TraceCheckUtils]: 0: Hoare triple {4889#true} call ULTIMATE.init(); {4897#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:56,978 INFO L280 TraceCheckUtils]: 1: Hoare triple {4897#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {4889#true} is VALID [2020-07-08 12:46:56,978 INFO L280 TraceCheckUtils]: 2: Hoare triple {4889#true} assume true; {4889#true} is VALID [2020-07-08 12:46:56,978 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4889#true} {4889#true} #223#return; {4889#true} is VALID [2020-07-08 12:46:56,978 INFO L263 TraceCheckUtils]: 4: Hoare triple {4889#true} call #t~ret7 := main(); {4889#true} is VALID [2020-07-08 12:46:56,979 INFO L280 TraceCheckUtils]: 5: Hoare triple {4889#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {4889#true} is VALID [2020-07-08 12:46:56,979 INFO L280 TraceCheckUtils]: 6: Hoare triple {4889#true} assume !!(~main__urilen~0 <= 1000000); {4889#true} is VALID [2020-07-08 12:46:56,979 INFO L280 TraceCheckUtils]: 7: Hoare triple {4889#true} assume !!(~main__urilen~0 >= -1000000); {4889#true} is VALID [2020-07-08 12:46:56,979 INFO L280 TraceCheckUtils]: 8: Hoare triple {4889#true} assume !!(~main__tokenlen~0 <= 1000000); {4889#true} is VALID [2020-07-08 12:46:56,979 INFO L280 TraceCheckUtils]: 9: Hoare triple {4889#true} assume !!(~main__tokenlen~0 >= -1000000); {4889#true} is VALID [2020-07-08 12:46:56,980 INFO L280 TraceCheckUtils]: 10: Hoare triple {4889#true} assume !!(~main__scheme~0 <= 1000000); {4889#true} is VALID [2020-07-08 12:46:56,980 INFO L280 TraceCheckUtils]: 11: Hoare triple {4889#true} assume !!(~main__scheme~0 >= -1000000); {4889#true} is VALID [2020-07-08 12:46:56,980 INFO L280 TraceCheckUtils]: 12: Hoare triple {4889#true} assume ~main__urilen~0 > 0; {4889#true} is VALID [2020-07-08 12:46:56,983 INFO L280 TraceCheckUtils]: 13: Hoare triple {4889#true} assume ~main__tokenlen~0 > 0; {4889#true} is VALID [2020-07-08 12:46:56,983 INFO L280 TraceCheckUtils]: 14: Hoare triple {4889#true} assume ~main__scheme~0 >= 0; {4889#true} is VALID [2020-07-08 12:46:56,983 INFO L280 TraceCheckUtils]: 15: Hoare triple {4889#true} assume !(0 == ~main__scheme~0); {4889#true} is VALID [2020-07-08 12:46:56,984 INFO L280 TraceCheckUtils]: 16: Hoare triple {4889#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:56,984 INFO L280 TraceCheckUtils]: 17: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:56,985 INFO L280 TraceCheckUtils]: 18: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:56,985 INFO L280 TraceCheckUtils]: 19: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:56,986 INFO L280 TraceCheckUtils]: 20: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:56,986 INFO L280 TraceCheckUtils]: 21: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:56,987 INFO L280 TraceCheckUtils]: 22: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:56,988 INFO L280 TraceCheckUtils]: 23: Hoare triple {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:56,988 INFO L280 TraceCheckUtils]: 24: Hoare triple {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:56,989 INFO L280 TraceCheckUtils]: 25: Hoare triple {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~17);~main__cp~0 := 1 + ~main__cp~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,000 INFO L280 TraceCheckUtils]: 26: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,000 INFO L280 TraceCheckUtils]: 27: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_1~0); {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,001 INFO L280 TraceCheckUtils]: 28: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {4896#(not (= 0 main_~__VERIFIER_assert__cond~4))} is VALID [2020-07-08 12:46:57,002 INFO L280 TraceCheckUtils]: 29: Hoare triple {4896#(not (= 0 main_~__VERIFIER_assert__cond~4))} assume 0 == ~__VERIFIER_assert__cond~4; {4890#false} is VALID [2020-07-08 12:46:57,002 INFO L280 TraceCheckUtils]: 30: Hoare triple {4890#false} assume !false; {4890#false} is VALID [2020-07-08 12:46:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-08 12:46:57,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8954042] [2020-07-08 12:46:57,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931223548] [2020-07-08 12:46:57,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-08 12:46:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:57,049 INFO L264 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-08 12:46:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:57,062 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-08 12:46:57,152 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-08 12:46:57,165 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-08 12:46:57,192 INFO L263 TraceCheckUtils]: 0: Hoare triple {4889#true} call ULTIMATE.init(); {4889#true} is VALID [2020-07-08 12:46:57,192 INFO L280 TraceCheckUtils]: 1: Hoare triple {4889#true} ~__return_main~0 := 0;~__return_375~0 := 0; {4889#true} is VALID [2020-07-08 12:46:57,192 INFO L280 TraceCheckUtils]: 2: Hoare triple {4889#true} assume true; {4889#true} is VALID [2020-07-08 12:46:57,193 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4889#true} {4889#true} #223#return; {4889#true} is VALID [2020-07-08 12:46:57,193 INFO L263 TraceCheckUtils]: 4: Hoare triple {4889#true} call #t~ret7 := main(); {4889#true} is VALID [2020-07-08 12:46:57,193 INFO L280 TraceCheckUtils]: 5: Hoare triple {4889#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {4889#true} is VALID [2020-07-08 12:46:57,193 INFO L280 TraceCheckUtils]: 6: Hoare triple {4889#true} assume !!(~main__urilen~0 <= 1000000); {4889#true} is VALID [2020-07-08 12:46:57,193 INFO L280 TraceCheckUtils]: 7: Hoare triple {4889#true} assume !!(~main__urilen~0 >= -1000000); {4889#true} is VALID [2020-07-08 12:46:57,194 INFO L280 TraceCheckUtils]: 8: Hoare triple {4889#true} assume !!(~main__tokenlen~0 <= 1000000); {4889#true} is VALID [2020-07-08 12:46:57,194 INFO L280 TraceCheckUtils]: 9: Hoare triple {4889#true} assume !!(~main__tokenlen~0 >= -1000000); {4889#true} is VALID [2020-07-08 12:46:57,194 INFO L280 TraceCheckUtils]: 10: Hoare triple {4889#true} assume !!(~main__scheme~0 <= 1000000); {4889#true} is VALID [2020-07-08 12:46:57,194 INFO L280 TraceCheckUtils]: 11: Hoare triple {4889#true} assume !!(~main__scheme~0 >= -1000000); {4889#true} is VALID [2020-07-08 12:46:57,194 INFO L280 TraceCheckUtils]: 12: Hoare triple {4889#true} assume ~main__urilen~0 > 0; {4889#true} is VALID [2020-07-08 12:46:57,194 INFO L280 TraceCheckUtils]: 13: Hoare triple {4889#true} assume ~main__tokenlen~0 > 0; {4889#true} is VALID [2020-07-08 12:46:57,195 INFO L280 TraceCheckUtils]: 14: Hoare triple {4889#true} assume ~main__scheme~0 >= 0; {4889#true} is VALID [2020-07-08 12:46:57,195 INFO L280 TraceCheckUtils]: 15: Hoare triple {4889#true} assume !(0 == ~main__scheme~0); {4889#true} is VALID [2020-07-08 12:46:57,195 INFO L280 TraceCheckUtils]: 16: Hoare triple {4889#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,196 INFO L280 TraceCheckUtils]: 17: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,196 INFO L280 TraceCheckUtils]: 18: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,197 INFO L280 TraceCheckUtils]: 19: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,200 INFO L280 TraceCheckUtils]: 20: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,201 INFO L280 TraceCheckUtils]: 21: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,202 INFO L280 TraceCheckUtils]: 22: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,203 INFO L280 TraceCheckUtils]: 23: Hoare triple {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,203 INFO L280 TraceCheckUtils]: 24: Hoare triple {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,204 INFO L280 TraceCheckUtils]: 25: Hoare triple {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~17);~main__cp~0 := 1 + ~main__cp~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,205 INFO L280 TraceCheckUtils]: 26: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,205 INFO L280 TraceCheckUtils]: 27: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_1~0); {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:57,206 INFO L280 TraceCheckUtils]: 28: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {4985#(<= 1 main_~__VERIFIER_assert__cond~4)} is VALID [2020-07-08 12:46:57,206 INFO L280 TraceCheckUtils]: 29: Hoare triple {4985#(<= 1 main_~__VERIFIER_assert__cond~4)} assume 0 == ~__VERIFIER_assert__cond~4; {4890#false} is VALID [2020-07-08 12:46:57,206 INFO L280 TraceCheckUtils]: 30: Hoare triple {4890#false} assume !false; {4890#false} is VALID [2020-07-08 12:46:57,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-08 12:46:57,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-08 12:46:57,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2020-07-08 12:46:57,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396540460] [2020-07-08 12:46:57,209 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-07-08 12:46:57,209 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:57,209 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 12:46:57,245 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:57,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 12:46:57,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:57,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 12:46:57,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-08 12:46:57,246 INFO L87 Difference]: Start difference. First operand 68 states and 71 transitions. Second operand 7 states. [2020-07-08 12:46:57,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:57,650 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2020-07-08 12:46:57,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 12:46:57,650 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-07-08 12:46:57,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:57,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 12:46:57,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2020-07-08 12:46:57,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 12:46:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2020-07-08 12:46:57,653 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 67 transitions. [2020-07-08 12:46:57,738 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:57,740 INFO L225 Difference]: With dead ends: 69 [2020-07-08 12:46:57,740 INFO L226 Difference]: Without dead ends: 67 [2020-07-08 12:46:57,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-08 12:46:57,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-08 12:46:57,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2020-07-08 12:46:57,778 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:57,779 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 62 states. [2020-07-08 12:46:57,779 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 62 states. [2020-07-08 12:46:57,779 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 62 states. [2020-07-08 12:46:57,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:57,781 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2020-07-08 12:46:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2020-07-08 12:46:57,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:57,782 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:57,782 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 67 states. [2020-07-08 12:46:57,782 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 67 states. [2020-07-08 12:46:57,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:57,784 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2020-07-08 12:46:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2020-07-08 12:46:57,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:57,785 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:57,785 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:57,785 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-08 12:46:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2020-07-08 12:46:57,787 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 31 [2020-07-08 12:46:57,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:57,787 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2020-07-08 12:46:57,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 12:46:57,788 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2020-07-08 12:46:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-08 12:46:57,788 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:57,789 INFO L422 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] [2020-07-08 12:46:58,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-08 12:46:58,004 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:58,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:58,005 INFO L82 PathProgramCache]: Analyzing trace with hash -350608983, now seen corresponding path program 1 times [2020-07-08 12:46:58,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:58,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730300183] [2020-07-08 12:46:58,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:58,092 INFO L280 TraceCheckUtils]: 0: Hoare triple {5291#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {5283#true} is VALID [2020-07-08 12:46:58,092 INFO L280 TraceCheckUtils]: 1: Hoare triple {5283#true} assume true; {5283#true} is VALID [2020-07-08 12:46:58,092 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5283#true} {5283#true} #223#return; {5283#true} is VALID [2020-07-08 12:46:58,093 INFO L263 TraceCheckUtils]: 0: Hoare triple {5283#true} call ULTIMATE.init(); {5291#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:58,094 INFO L280 TraceCheckUtils]: 1: Hoare triple {5291#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {5283#true} is VALID [2020-07-08 12:46:58,094 INFO L280 TraceCheckUtils]: 2: Hoare triple {5283#true} assume true; {5283#true} is VALID [2020-07-08 12:46:58,094 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {5283#true} {5283#true} #223#return; {5283#true} is VALID [2020-07-08 12:46:58,094 INFO L263 TraceCheckUtils]: 4: Hoare triple {5283#true} call #t~ret7 := main(); {5283#true} is VALID [2020-07-08 12:46:58,095 INFO L280 TraceCheckUtils]: 5: Hoare triple {5283#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {5283#true} is VALID [2020-07-08 12:46:58,095 INFO L280 TraceCheckUtils]: 6: Hoare triple {5283#true} assume !!(~main__urilen~0 <= 1000000); {5283#true} is VALID [2020-07-08 12:46:58,095 INFO L280 TraceCheckUtils]: 7: Hoare triple {5283#true} assume !!(~main__urilen~0 >= -1000000); {5283#true} is VALID [2020-07-08 12:46:58,095 INFO L280 TraceCheckUtils]: 8: Hoare triple {5283#true} assume !!(~main__tokenlen~0 <= 1000000); {5283#true} is VALID [2020-07-08 12:46:58,095 INFO L280 TraceCheckUtils]: 9: Hoare triple {5283#true} assume !!(~main__tokenlen~0 >= -1000000); {5283#true} is VALID [2020-07-08 12:46:58,096 INFO L280 TraceCheckUtils]: 10: Hoare triple {5283#true} assume !!(~main__scheme~0 <= 1000000); {5283#true} is VALID [2020-07-08 12:46:58,096 INFO L280 TraceCheckUtils]: 11: Hoare triple {5283#true} assume !!(~main__scheme~0 >= -1000000); {5283#true} is VALID [2020-07-08 12:46:58,096 INFO L280 TraceCheckUtils]: 12: Hoare triple {5283#true} assume ~main__urilen~0 > 0; {5283#true} is VALID [2020-07-08 12:46:58,096 INFO L280 TraceCheckUtils]: 13: Hoare triple {5283#true} assume ~main__tokenlen~0 > 0; {5283#true} is VALID [2020-07-08 12:46:58,096 INFO L280 TraceCheckUtils]: 14: Hoare triple {5283#true} assume ~main__scheme~0 >= 0; {5283#true} is VALID [2020-07-08 12:46:58,097 INFO L280 TraceCheckUtils]: 15: Hoare triple {5283#true} assume !(0 == ~main__scheme~0); {5283#true} is VALID [2020-07-08 12:46:58,098 INFO L280 TraceCheckUtils]: 16: Hoare triple {5283#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:58,098 INFO L280 TraceCheckUtils]: 17: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:58,099 INFO L280 TraceCheckUtils]: 18: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:58,099 INFO L280 TraceCheckUtils]: 19: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:58,100 INFO L280 TraceCheckUtils]: 20: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:58,100 INFO L280 TraceCheckUtils]: 21: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:58,101 INFO L280 TraceCheckUtils]: 22: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:58,102 INFO L280 TraceCheckUtils]: 23: Hoare triple {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~main____CPAchecker_TMP_1~0); {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:58,103 INFO L280 TraceCheckUtils]: 24: Hoare triple {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:58,104 INFO L280 TraceCheckUtils]: 25: Hoare triple {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:58,105 INFO L280 TraceCheckUtils]: 26: Hoare triple {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~5); {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:58,105 INFO L280 TraceCheckUtils]: 27: Hoare triple {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:58,106 INFO L280 TraceCheckUtils]: 28: Hoare triple {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:58,107 INFO L280 TraceCheckUtils]: 29: Hoare triple {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~7); {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:46:58,108 INFO L280 TraceCheckUtils]: 30: Hoare triple {5289#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:46:58,109 INFO L280 TraceCheckUtils]: 31: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {5290#(not (= 0 main_~__VERIFIER_assert__cond~8))} is VALID [2020-07-08 12:46:58,110 INFO L280 TraceCheckUtils]: 32: Hoare triple {5290#(not (= 0 main_~__VERIFIER_assert__cond~8))} assume 0 == ~__VERIFIER_assert__cond~8; {5284#false} is VALID [2020-07-08 12:46:58,110 INFO L280 TraceCheckUtils]: 33: Hoare triple {5284#false} assume !false; {5284#false} is VALID [2020-07-08 12:46:58,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:58,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730300183] [2020-07-08 12:46:58,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:58,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:46:58,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804481402] [2020-07-08 12:46:58,114 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-08 12:46:58,114 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:58,114 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:46:58,157 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:58,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:46:58,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:58,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:46:58,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:46:58,159 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 6 states. [2020-07-08 12:46:58,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:58,599 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2020-07-08 12:46:58,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 12:46:58,599 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-08 12:46:58,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:58,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:58,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2020-07-08 12:46:58,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:46:58,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2020-07-08 12:46:58,602 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 65 transitions. [2020-07-08 12:46:58,692 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:58,694 INFO L225 Difference]: With dead ends: 63 [2020-07-08 12:46:58,694 INFO L226 Difference]: Without dead ends: 61 [2020-07-08 12:46:58,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-08 12:46:58,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-08 12:46:58,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2020-07-08 12:46:58,742 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:58,743 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 60 states. [2020-07-08 12:46:58,743 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 60 states. [2020-07-08 12:46:58,743 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 60 states. [2020-07-08 12:46:58,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:58,744 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2020-07-08 12:46:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-07-08 12:46:58,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:58,745 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:58,745 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 61 states. [2020-07-08 12:46:58,745 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 61 states. [2020-07-08 12:46:58,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:58,747 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2020-07-08 12:46:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-07-08 12:46:58,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:58,747 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:58,747 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:58,748 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-08 12:46:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2020-07-08 12:46:58,749 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 34 [2020-07-08 12:46:58,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:58,749 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2020-07-08 12:46:58,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:46:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2020-07-08 12:46:58,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-08 12:46:58,750 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:58,750 INFO L422 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] [2020-07-08 12:46:58,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-08 12:46:58,751 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:58,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:58,751 INFO L82 PathProgramCache]: Analyzing trace with hash 2016026591, now seen corresponding path program 1 times [2020-07-08 12:46:58,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:58,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873675907] [2020-07-08 12:46:58,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:58,833 INFO L280 TraceCheckUtils]: 0: Hoare triple {5573#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {5564#true} is VALID [2020-07-08 12:46:58,834 INFO L280 TraceCheckUtils]: 1: Hoare triple {5564#true} assume true; {5564#true} is VALID [2020-07-08 12:46:58,834 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5564#true} {5564#true} #223#return; {5564#true} is VALID [2020-07-08 12:46:58,835 INFO L263 TraceCheckUtils]: 0: Hoare triple {5564#true} call ULTIMATE.init(); {5573#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:58,836 INFO L280 TraceCheckUtils]: 1: Hoare triple {5573#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {5564#true} is VALID [2020-07-08 12:46:58,836 INFO L280 TraceCheckUtils]: 2: Hoare triple {5564#true} assume true; {5564#true} is VALID [2020-07-08 12:46:58,836 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {5564#true} {5564#true} #223#return; {5564#true} is VALID [2020-07-08 12:46:58,836 INFO L263 TraceCheckUtils]: 4: Hoare triple {5564#true} call #t~ret7 := main(); {5564#true} is VALID [2020-07-08 12:46:58,837 INFO L280 TraceCheckUtils]: 5: Hoare triple {5564#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {5564#true} is VALID [2020-07-08 12:46:58,837 INFO L280 TraceCheckUtils]: 6: Hoare triple {5564#true} assume !!(~main__urilen~0 <= 1000000); {5564#true} is VALID [2020-07-08 12:46:58,837 INFO L280 TraceCheckUtils]: 7: Hoare triple {5564#true} assume !!(~main__urilen~0 >= -1000000); {5564#true} is VALID [2020-07-08 12:46:58,837 INFO L280 TraceCheckUtils]: 8: Hoare triple {5564#true} assume !!(~main__tokenlen~0 <= 1000000); {5564#true} is VALID [2020-07-08 12:46:58,838 INFO L280 TraceCheckUtils]: 9: Hoare triple {5564#true} assume !!(~main__tokenlen~0 >= -1000000); {5564#true} is VALID [2020-07-08 12:46:58,838 INFO L280 TraceCheckUtils]: 10: Hoare triple {5564#true} assume !!(~main__scheme~0 <= 1000000); {5564#true} is VALID [2020-07-08 12:46:58,838 INFO L280 TraceCheckUtils]: 11: Hoare triple {5564#true} assume !!(~main__scheme~0 >= -1000000); {5564#true} is VALID [2020-07-08 12:46:58,838 INFO L280 TraceCheckUtils]: 12: Hoare triple {5564#true} assume ~main__urilen~0 > 0; {5564#true} is VALID [2020-07-08 12:46:58,838 INFO L280 TraceCheckUtils]: 13: Hoare triple {5564#true} assume ~main__tokenlen~0 > 0; {5564#true} is VALID [2020-07-08 12:46:58,839 INFO L280 TraceCheckUtils]: 14: Hoare triple {5564#true} assume ~main__scheme~0 >= 0; {5569#(<= 0 main_~main__scheme~0)} is VALID [2020-07-08 12:46:58,840 INFO L280 TraceCheckUtils]: 15: Hoare triple {5569#(<= 0 main_~main__scheme~0)} assume !(0 == ~main__scheme~0); {5569#(<= 0 main_~main__scheme~0)} is VALID [2020-07-08 12:46:58,841 INFO L280 TraceCheckUtils]: 16: Hoare triple {5569#(<= 0 main_~main__scheme~0)} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,841 INFO L280 TraceCheckUtils]: 17: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,842 INFO L280 TraceCheckUtils]: 18: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,842 INFO L280 TraceCheckUtils]: 19: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,843 INFO L280 TraceCheckUtils]: 20: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,844 INFO L280 TraceCheckUtils]: 21: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,844 INFO L280 TraceCheckUtils]: 22: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,845 INFO L280 TraceCheckUtils]: 23: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_1~0); {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,845 INFO L280 TraceCheckUtils]: 24: Hoare triple {5570#(<= 0 main_~main__cp~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,846 INFO L280 TraceCheckUtils]: 25: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,846 INFO L280 TraceCheckUtils]: 26: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~5); {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,847 INFO L280 TraceCheckUtils]: 27: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,847 INFO L280 TraceCheckUtils]: 28: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,848 INFO L280 TraceCheckUtils]: 29: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,849 INFO L280 TraceCheckUtils]: 30: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {5571#(<= 1 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,850 INFO L280 TraceCheckUtils]: 31: Hoare triple {5571#(<= 1 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {5571#(<= 1 main_~main__cp~0)} is VALID [2020-07-08 12:46:58,851 INFO L280 TraceCheckUtils]: 32: Hoare triple {5571#(<= 1 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {5572#(not (= 0 main_~__VERIFIER_assert__cond~9))} is VALID [2020-07-08 12:46:58,852 INFO L280 TraceCheckUtils]: 33: Hoare triple {5572#(not (= 0 main_~__VERIFIER_assert__cond~9))} assume 0 == ~__VERIFIER_assert__cond~9; {5565#false} is VALID [2020-07-08 12:46:58,852 INFO L280 TraceCheckUtils]: 34: Hoare triple {5565#false} assume !false; {5565#false} is VALID [2020-07-08 12:46:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:58,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873675907] [2020-07-08 12:46:58,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:58,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 12:46:58,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119437797] [2020-07-08 12:46:58,855 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-07-08 12:46:58,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:58,856 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 12:46:58,893 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:58,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 12:46:58,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:58,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 12:46:58,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-08 12:46:58,894 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 7 states. [2020-07-08 12:46:59,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:59,389 INFO L93 Difference]: Finished difference Result 71 states and 74 transitions. [2020-07-08 12:46:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 12:46:59,389 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-07-08 12:46:59,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:46:59,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 12:46:59,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 74 transitions. [2020-07-08 12:46:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 12:46:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 74 transitions. [2020-07-08 12:46:59,392 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 74 transitions. [2020-07-08 12:46:59,489 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:59,491 INFO L225 Difference]: With dead ends: 71 [2020-07-08 12:46:59,491 INFO L226 Difference]: Without dead ends: 69 [2020-07-08 12:46:59,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-08 12:46:59,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-07-08 12:46:59,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 58. [2020-07-08 12:46:59,537 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:46:59,537 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 58 states. [2020-07-08 12:46:59,537 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 58 states. [2020-07-08 12:46:59,537 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 58 states. [2020-07-08 12:46:59,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:59,541 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2020-07-08 12:46:59,541 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 72 transitions. [2020-07-08 12:46:59,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:59,541 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:59,541 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 69 states. [2020-07-08 12:46:59,542 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 69 states. [2020-07-08 12:46:59,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:46:59,543 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2020-07-08 12:46:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 72 transitions. [2020-07-08 12:46:59,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:46:59,544 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:46:59,544 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:46:59,544 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:46:59,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-07-08 12:46:59,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2020-07-08 12:46:59,546 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 35 [2020-07-08 12:46:59,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:46:59,546 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2020-07-08 12:46:59,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 12:46:59,547 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2020-07-08 12:46:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-08 12:46:59,548 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:59,548 INFO L422 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] [2020-07-08 12:46:59,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-08 12:46:59,549 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:59,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:59,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1371399406, now seen corresponding path program 1 times [2020-07-08 12:46:59,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:59,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477244270] [2020-07-08 12:46:59,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:59,673 INFO L280 TraceCheckUtils]: 0: Hoare triple {5877#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {5869#true} is VALID [2020-07-08 12:46:59,673 INFO L280 TraceCheckUtils]: 1: Hoare triple {5869#true} assume true; {5869#true} is VALID [2020-07-08 12:46:59,673 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5869#true} {5869#true} #223#return; {5869#true} is VALID [2020-07-08 12:46:59,674 INFO L263 TraceCheckUtils]: 0: Hoare triple {5869#true} call ULTIMATE.init(); {5877#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:46:59,674 INFO L280 TraceCheckUtils]: 1: Hoare triple {5877#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {5869#true} is VALID [2020-07-08 12:46:59,674 INFO L280 TraceCheckUtils]: 2: Hoare triple {5869#true} assume true; {5869#true} is VALID [2020-07-08 12:46:59,675 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {5869#true} {5869#true} #223#return; {5869#true} is VALID [2020-07-08 12:46:59,675 INFO L263 TraceCheckUtils]: 4: Hoare triple {5869#true} call #t~ret7 := main(); {5869#true} is VALID [2020-07-08 12:46:59,675 INFO L280 TraceCheckUtils]: 5: Hoare triple {5869#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {5869#true} is VALID [2020-07-08 12:46:59,675 INFO L280 TraceCheckUtils]: 6: Hoare triple {5869#true} assume !!(~main__urilen~0 <= 1000000); {5869#true} is VALID [2020-07-08 12:46:59,676 INFO L280 TraceCheckUtils]: 7: Hoare triple {5869#true} assume !!(~main__urilen~0 >= -1000000); {5869#true} is VALID [2020-07-08 12:46:59,676 INFO L280 TraceCheckUtils]: 8: Hoare triple {5869#true} assume !!(~main__tokenlen~0 <= 1000000); {5869#true} is VALID [2020-07-08 12:46:59,676 INFO L280 TraceCheckUtils]: 9: Hoare triple {5869#true} assume !!(~main__tokenlen~0 >= -1000000); {5869#true} is VALID [2020-07-08 12:46:59,676 INFO L280 TraceCheckUtils]: 10: Hoare triple {5869#true} assume !!(~main__scheme~0 <= 1000000); {5869#true} is VALID [2020-07-08 12:46:59,676 INFO L280 TraceCheckUtils]: 11: Hoare triple {5869#true} assume !!(~main__scheme~0 >= -1000000); {5869#true} is VALID [2020-07-08 12:46:59,677 INFO L280 TraceCheckUtils]: 12: Hoare triple {5869#true} assume ~main__urilen~0 > 0; {5869#true} is VALID [2020-07-08 12:46:59,677 INFO L280 TraceCheckUtils]: 13: Hoare triple {5869#true} assume ~main__tokenlen~0 > 0; {5869#true} is VALID [2020-07-08 12:46:59,677 INFO L280 TraceCheckUtils]: 14: Hoare triple {5869#true} assume ~main__scheme~0 >= 0; {5869#true} is VALID [2020-07-08 12:46:59,677 INFO L280 TraceCheckUtils]: 15: Hoare triple {5869#true} assume !(0 == ~main__scheme~0); {5869#true} is VALID [2020-07-08 12:46:59,677 INFO L280 TraceCheckUtils]: 16: Hoare triple {5869#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {5869#true} is VALID [2020-07-08 12:46:59,677 INFO L280 TraceCheckUtils]: 17: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {5869#true} is VALID [2020-07-08 12:46:59,678 INFO L280 TraceCheckUtils]: 18: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {5869#true} is VALID [2020-07-08 12:46:59,678 INFO L280 TraceCheckUtils]: 19: Hoare triple {5869#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {5869#true} is VALID [2020-07-08 12:46:59,678 INFO L280 TraceCheckUtils]: 20: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {5869#true} is VALID [2020-07-08 12:46:59,678 INFO L280 TraceCheckUtils]: 21: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~3); {5869#true} is VALID [2020-07-08 12:46:59,678 INFO L280 TraceCheckUtils]: 22: Hoare triple {5869#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {5869#true} is VALID [2020-07-08 12:46:59,679 INFO L280 TraceCheckUtils]: 23: Hoare triple {5869#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {5869#true} is VALID [2020-07-08 12:46:59,679 INFO L280 TraceCheckUtils]: 24: Hoare triple {5869#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {5869#true} is VALID [2020-07-08 12:46:59,679 INFO L280 TraceCheckUtils]: 25: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {5869#true} is VALID [2020-07-08 12:46:59,679 INFO L280 TraceCheckUtils]: 26: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~5); {5869#true} is VALID [2020-07-08 12:46:59,679 INFO L280 TraceCheckUtils]: 27: Hoare triple {5869#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {5869#true} is VALID [2020-07-08 12:46:59,679 INFO L280 TraceCheckUtils]: 28: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {5869#true} is VALID [2020-07-08 12:46:59,680 INFO L280 TraceCheckUtils]: 29: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~7); {5869#true} is VALID [2020-07-08 12:46:59,680 INFO L280 TraceCheckUtils]: 30: Hoare triple {5869#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {5869#true} is VALID [2020-07-08 12:46:59,681 INFO L280 TraceCheckUtils]: 31: Hoare triple {5869#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {5874#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~8)) (and (< main_~main__cp~0 main_~main__urilen~0) (= 1 main_~__VERIFIER_assert__cond~8)))} is VALID [2020-07-08 12:46:59,682 INFO L280 TraceCheckUtils]: 32: Hoare triple {5874#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~8)) (and (< main_~main__cp~0 main_~main__urilen~0) (= 1 main_~__VERIFIER_assert__cond~8)))} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {5875#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:46:59,683 INFO L280 TraceCheckUtils]: 33: Hoare triple {5875#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {5875#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:46:59,683 INFO L280 TraceCheckUtils]: 34: Hoare triple {5875#(< main_~main__cp~0 main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {5875#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:46:59,684 INFO L280 TraceCheckUtils]: 35: Hoare triple {5875#(< main_~main__cp~0 main_~main__urilen~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {5876#(not (= main_~__VERIFIER_assert__cond~10 0))} is VALID [2020-07-08 12:46:59,685 INFO L280 TraceCheckUtils]: 36: Hoare triple {5876#(not (= main_~__VERIFIER_assert__cond~10 0))} assume 0 == ~__VERIFIER_assert__cond~10; {5870#false} is VALID [2020-07-08 12:46:59,685 INFO L280 TraceCheckUtils]: 37: Hoare triple {5870#false} assume !false; {5870#false} is VALID [2020-07-08 12:46:59,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:46:59,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477244270] [2020-07-08 12:46:59,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:46:59,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:46:59,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113359297] [2020-07-08 12:46:59,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-08 12:46:59,688 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:46:59,688 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:46:59,727 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:46:59,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:46:59,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:46:59,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:46:59,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:46:59,728 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 6 states. [2020-07-08 12:47:00,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:00,434 INFO L93 Difference]: Finished difference Result 91 states and 95 transitions. [2020-07-08 12:47:00,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 12:47:00,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-08 12:47:00,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:47:00,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 95 transitions. [2020-07-08 12:47:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 95 transitions. [2020-07-08 12:47:00,437 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 95 transitions. [2020-07-08 12:47:00,568 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:00,570 INFO L225 Difference]: With dead ends: 91 [2020-07-08 12:47:00,570 INFO L226 Difference]: Without dead ends: 89 [2020-07-08 12:47:00,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-07-08 12:47:00,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-07-08 12:47:00,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 61. [2020-07-08 12:47:00,630 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:47:00,631 INFO L82 GeneralOperation]: Start isEquivalent. First operand 89 states. Second operand 61 states. [2020-07-08 12:47:00,631 INFO L74 IsIncluded]: Start isIncluded. First operand 89 states. Second operand 61 states. [2020-07-08 12:47:00,631 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 61 states. [2020-07-08 12:47:00,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:00,633 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2020-07-08 12:47:00,633 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2020-07-08 12:47:00,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:00,634 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:00,634 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 89 states. [2020-07-08 12:47:00,634 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 89 states. [2020-07-08 12:47:00,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:00,636 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2020-07-08 12:47:00,636 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2020-07-08 12:47:00,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:00,637 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:00,637 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:47:00,637 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:47:00,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-08 12:47:00,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2020-07-08 12:47:00,639 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 38 [2020-07-08 12:47:00,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:47:00,639 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2020-07-08 12:47:00,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:47:00,639 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-07-08 12:47:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-08 12:47:00,640 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:00,640 INFO L422 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] [2020-07-08 12:47:00,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-08 12:47:00,641 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:00,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:00,641 INFO L82 PathProgramCache]: Analyzing trace with hash 436294569, now seen corresponding path program 1 times [2020-07-08 12:47:00,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:00,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63296164] [2020-07-08 12:47:00,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:00,723 INFO L280 TraceCheckUtils]: 0: Hoare triple {6250#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {6242#true} is VALID [2020-07-08 12:47:00,724 INFO L280 TraceCheckUtils]: 1: Hoare triple {6242#true} assume true; {6242#true} is VALID [2020-07-08 12:47:00,724 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6242#true} {6242#true} #223#return; {6242#true} is VALID [2020-07-08 12:47:00,725 INFO L263 TraceCheckUtils]: 0: Hoare triple {6242#true} call ULTIMATE.init(); {6250#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:47:00,726 INFO L280 TraceCheckUtils]: 1: Hoare triple {6250#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {6242#true} is VALID [2020-07-08 12:47:00,726 INFO L280 TraceCheckUtils]: 2: Hoare triple {6242#true} assume true; {6242#true} is VALID [2020-07-08 12:47:00,726 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6242#true} {6242#true} #223#return; {6242#true} is VALID [2020-07-08 12:47:00,726 INFO L263 TraceCheckUtils]: 4: Hoare triple {6242#true} call #t~ret7 := main(); {6242#true} is VALID [2020-07-08 12:47:00,727 INFO L280 TraceCheckUtils]: 5: Hoare triple {6242#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {6242#true} is VALID [2020-07-08 12:47:00,727 INFO L280 TraceCheckUtils]: 6: Hoare triple {6242#true} assume !!(~main__urilen~0 <= 1000000); {6242#true} is VALID [2020-07-08 12:47:00,727 INFO L280 TraceCheckUtils]: 7: Hoare triple {6242#true} assume !!(~main__urilen~0 >= -1000000); {6242#true} is VALID [2020-07-08 12:47:00,727 INFO L280 TraceCheckUtils]: 8: Hoare triple {6242#true} assume !!(~main__tokenlen~0 <= 1000000); {6242#true} is VALID [2020-07-08 12:47:00,728 INFO L280 TraceCheckUtils]: 9: Hoare triple {6242#true} assume !!(~main__tokenlen~0 >= -1000000); {6242#true} is VALID [2020-07-08 12:47:00,728 INFO L280 TraceCheckUtils]: 10: Hoare triple {6242#true} assume !!(~main__scheme~0 <= 1000000); {6242#true} is VALID [2020-07-08 12:47:00,728 INFO L280 TraceCheckUtils]: 11: Hoare triple {6242#true} assume !!(~main__scheme~0 >= -1000000); {6242#true} is VALID [2020-07-08 12:47:00,728 INFO L280 TraceCheckUtils]: 12: Hoare triple {6242#true} assume ~main__urilen~0 > 0; {6242#true} is VALID [2020-07-08 12:47:00,729 INFO L280 TraceCheckUtils]: 13: Hoare triple {6242#true} assume ~main__tokenlen~0 > 0; {6242#true} is VALID [2020-07-08 12:47:00,729 INFO L280 TraceCheckUtils]: 14: Hoare triple {6242#true} assume ~main__scheme~0 >= 0; {6242#true} is VALID [2020-07-08 12:47:00,729 INFO L280 TraceCheckUtils]: 15: Hoare triple {6242#true} assume !(0 == ~main__scheme~0); {6242#true} is VALID [2020-07-08 12:47:00,729 INFO L280 TraceCheckUtils]: 16: Hoare triple {6242#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {6242#true} is VALID [2020-07-08 12:47:00,730 INFO L280 TraceCheckUtils]: 17: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {6242#true} is VALID [2020-07-08 12:47:00,730 INFO L280 TraceCheckUtils]: 18: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {6242#true} is VALID [2020-07-08 12:47:00,730 INFO L280 TraceCheckUtils]: 19: Hoare triple {6242#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {6242#true} is VALID [2020-07-08 12:47:00,730 INFO L280 TraceCheckUtils]: 20: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {6242#true} is VALID [2020-07-08 12:47:00,731 INFO L280 TraceCheckUtils]: 21: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~3); {6242#true} is VALID [2020-07-08 12:47:00,731 INFO L280 TraceCheckUtils]: 22: Hoare triple {6242#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {6242#true} is VALID [2020-07-08 12:47:00,731 INFO L280 TraceCheckUtils]: 23: Hoare triple {6242#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {6242#true} is VALID [2020-07-08 12:47:00,731 INFO L280 TraceCheckUtils]: 24: Hoare triple {6242#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {6242#true} is VALID [2020-07-08 12:47:00,732 INFO L280 TraceCheckUtils]: 25: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {6242#true} is VALID [2020-07-08 12:47:00,732 INFO L280 TraceCheckUtils]: 26: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~5); {6242#true} is VALID [2020-07-08 12:47:00,732 INFO L280 TraceCheckUtils]: 27: Hoare triple {6242#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {6242#true} is VALID [2020-07-08 12:47:00,733 INFO L280 TraceCheckUtils]: 28: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {6242#true} is VALID [2020-07-08 12:47:00,733 INFO L280 TraceCheckUtils]: 29: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~7); {6242#true} is VALID [2020-07-08 12:47:00,733 INFO L280 TraceCheckUtils]: 30: Hoare triple {6242#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {6242#true} is VALID [2020-07-08 12:47:00,733 INFO L280 TraceCheckUtils]: 31: Hoare triple {6242#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {6242#true} is VALID [2020-07-08 12:47:00,735 INFO L280 TraceCheckUtils]: 32: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {6247#(or (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~9)) (and (= 0 main_~__VERIFIER_assert__cond~9) (< main_~main__cp~0 0)))} is VALID [2020-07-08 12:47:00,736 INFO L280 TraceCheckUtils]: 33: Hoare triple {6247#(or (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~9)) (and (= 0 main_~__VERIFIER_assert__cond~9) (< main_~main__cp~0 0)))} assume !(0 == ~__VERIFIER_assert__cond~9); {6248#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:47:00,736 INFO L280 TraceCheckUtils]: 34: Hoare triple {6248#(<= 0 main_~main__cp~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {6248#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:47:00,737 INFO L280 TraceCheckUtils]: 35: Hoare triple {6248#(<= 0 main_~main__cp~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {6248#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:47:00,738 INFO L280 TraceCheckUtils]: 36: Hoare triple {6248#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {6249#(not (= main_~__VERIFIER_assert__cond~11 0))} is VALID [2020-07-08 12:47:00,739 INFO L280 TraceCheckUtils]: 37: Hoare triple {6249#(not (= main_~__VERIFIER_assert__cond~11 0))} assume 0 == ~__VERIFIER_assert__cond~11; {6243#false} is VALID [2020-07-08 12:47:00,739 INFO L280 TraceCheckUtils]: 38: Hoare triple {6243#false} assume !false; {6243#false} is VALID [2020-07-08 12:47:00,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:47:00,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63296164] [2020-07-08 12:47:00,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:47:00,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:47:00,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280429753] [2020-07-08 12:47:00,743 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-07-08 12:47:00,743 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:47:00,743 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:47:00,784 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:00,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:47:00,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:47:00,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:47:00,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:47:00,785 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 6 states. [2020-07-08 12:47:01,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:01,253 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2020-07-08 12:47:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 12:47:01,253 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-07-08 12:47:01,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:47:01,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:01,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2020-07-08 12:47:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:01,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2020-07-08 12:47:01,255 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 63 transitions. [2020-07-08 12:47:01,335 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:01,337 INFO L225 Difference]: With dead ends: 61 [2020-07-08 12:47:01,337 INFO L226 Difference]: Without dead ends: 59 [2020-07-08 12:47:01,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-08 12:47:01,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-07-08 12:47:01,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-07-08 12:47:01,405 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:47:01,405 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 59 states. [2020-07-08 12:47:01,405 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2020-07-08 12:47:01,405 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2020-07-08 12:47:01,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:01,407 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2020-07-08 12:47:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-07-08 12:47:01,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:01,408 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:01,408 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2020-07-08 12:47:01,408 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2020-07-08 12:47:01,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:01,409 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2020-07-08 12:47:01,410 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-07-08 12:47:01,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:01,410 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:01,410 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:47:01,410 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:47:01,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-08 12:47:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2020-07-08 12:47:01,412 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 39 [2020-07-08 12:47:01,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:47:01,412 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2020-07-08 12:47:01,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:47:01,412 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-07-08 12:47:01,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-08 12:47:01,413 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:01,413 INFO L422 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] [2020-07-08 12:47:01,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-08 12:47:01,414 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:01,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:01,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1627614740, now seen corresponding path program 1 times [2020-07-08 12:47:01,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:01,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033863966] [2020-07-08 12:47:01,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:01,497 INFO L280 TraceCheckUtils]: 0: Hoare triple {6523#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {6515#true} is VALID [2020-07-08 12:47:01,497 INFO L280 TraceCheckUtils]: 1: Hoare triple {6515#true} assume true; {6515#true} is VALID [2020-07-08 12:47:01,497 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6515#true} {6515#true} #223#return; {6515#true} is VALID [2020-07-08 12:47:01,498 INFO L263 TraceCheckUtils]: 0: Hoare triple {6515#true} call ULTIMATE.init(); {6523#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:47:01,498 INFO L280 TraceCheckUtils]: 1: Hoare triple {6523#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {6515#true} is VALID [2020-07-08 12:47:01,499 INFO L280 TraceCheckUtils]: 2: Hoare triple {6515#true} assume true; {6515#true} is VALID [2020-07-08 12:47:01,499 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6515#true} {6515#true} #223#return; {6515#true} is VALID [2020-07-08 12:47:01,499 INFO L263 TraceCheckUtils]: 4: Hoare triple {6515#true} call #t~ret7 := main(); {6515#true} is VALID [2020-07-08 12:47:01,499 INFO L280 TraceCheckUtils]: 5: Hoare triple {6515#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {6515#true} is VALID [2020-07-08 12:47:01,500 INFO L280 TraceCheckUtils]: 6: Hoare triple {6515#true} assume !!(~main__urilen~0 <= 1000000); {6515#true} is VALID [2020-07-08 12:47:01,500 INFO L280 TraceCheckUtils]: 7: Hoare triple {6515#true} assume !!(~main__urilen~0 >= -1000000); {6515#true} is VALID [2020-07-08 12:47:01,500 INFO L280 TraceCheckUtils]: 8: Hoare triple {6515#true} assume !!(~main__tokenlen~0 <= 1000000); {6515#true} is VALID [2020-07-08 12:47:01,500 INFO L280 TraceCheckUtils]: 9: Hoare triple {6515#true} assume !!(~main__tokenlen~0 >= -1000000); {6515#true} is VALID [2020-07-08 12:47:01,500 INFO L280 TraceCheckUtils]: 10: Hoare triple {6515#true} assume !!(~main__scheme~0 <= 1000000); {6515#true} is VALID [2020-07-08 12:47:01,501 INFO L280 TraceCheckUtils]: 11: Hoare triple {6515#true} assume !!(~main__scheme~0 >= -1000000); {6515#true} is VALID [2020-07-08 12:47:01,501 INFO L280 TraceCheckUtils]: 12: Hoare triple {6515#true} assume ~main__urilen~0 > 0; {6515#true} is VALID [2020-07-08 12:47:01,501 INFO L280 TraceCheckUtils]: 13: Hoare triple {6515#true} assume ~main__tokenlen~0 > 0; {6515#true} is VALID [2020-07-08 12:47:01,501 INFO L280 TraceCheckUtils]: 14: Hoare triple {6515#true} assume ~main__scheme~0 >= 0; {6515#true} is VALID [2020-07-08 12:47:01,501 INFO L280 TraceCheckUtils]: 15: Hoare triple {6515#true} assume !(0 == ~main__scheme~0); {6515#true} is VALID [2020-07-08 12:47:01,501 INFO L280 TraceCheckUtils]: 16: Hoare triple {6515#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {6515#true} is VALID [2020-07-08 12:47:01,502 INFO L280 TraceCheckUtils]: 17: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {6515#true} is VALID [2020-07-08 12:47:01,502 INFO L280 TraceCheckUtils]: 18: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {6515#true} is VALID [2020-07-08 12:47:01,502 INFO L280 TraceCheckUtils]: 19: Hoare triple {6515#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {6515#true} is VALID [2020-07-08 12:47:01,502 INFO L280 TraceCheckUtils]: 20: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {6515#true} is VALID [2020-07-08 12:47:01,502 INFO L280 TraceCheckUtils]: 21: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~3); {6515#true} is VALID [2020-07-08 12:47:01,503 INFO L280 TraceCheckUtils]: 22: Hoare triple {6515#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {6515#true} is VALID [2020-07-08 12:47:01,503 INFO L280 TraceCheckUtils]: 23: Hoare triple {6515#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {6515#true} is VALID [2020-07-08 12:47:01,503 INFO L280 TraceCheckUtils]: 24: Hoare triple {6515#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {6515#true} is VALID [2020-07-08 12:47:01,503 INFO L280 TraceCheckUtils]: 25: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {6515#true} is VALID [2020-07-08 12:47:01,503 INFO L280 TraceCheckUtils]: 26: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~5); {6515#true} is VALID [2020-07-08 12:47:01,503 INFO L280 TraceCheckUtils]: 27: Hoare triple {6515#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {6515#true} is VALID [2020-07-08 12:47:01,504 INFO L280 TraceCheckUtils]: 28: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {6515#true} is VALID [2020-07-08 12:47:01,504 INFO L280 TraceCheckUtils]: 29: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~7); {6515#true} is VALID [2020-07-08 12:47:01,504 INFO L280 TraceCheckUtils]: 30: Hoare triple {6515#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {6515#true} is VALID [2020-07-08 12:47:01,505 INFO L280 TraceCheckUtils]: 31: Hoare triple {6515#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {6520#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:01,506 INFO L280 TraceCheckUtils]: 32: Hoare triple {6520#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {6520#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:01,506 INFO L280 TraceCheckUtils]: 33: Hoare triple {6520#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {6520#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:01,507 INFO L280 TraceCheckUtils]: 34: Hoare triple {6520#(= 0 main_~main__c~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {6520#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:01,508 INFO L280 TraceCheckUtils]: 35: Hoare triple {6520#(= 0 main_~main__c~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {6521#(and (= 0 main_~main__c~0) (<= (+ main_~main__c~0 2) main_~main__tokenlen~0))} is VALID [2020-07-08 12:47:01,509 INFO L280 TraceCheckUtils]: 36: Hoare triple {6521#(and (= 0 main_~main__c~0) (<= (+ main_~main__c~0 2) main_~main__tokenlen~0))} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {6521#(and (= 0 main_~main__c~0) (<= (+ main_~main__c~0 2) main_~main__tokenlen~0))} is VALID [2020-07-08 12:47:01,510 INFO L280 TraceCheckUtils]: 37: Hoare triple {6521#(and (= 0 main_~main__c~0) (<= (+ main_~main__c~0 2) main_~main__tokenlen~0))} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {6521#(and (= 0 main_~main__c~0) (<= (+ main_~main__c~0 2) main_~main__tokenlen~0))} is VALID [2020-07-08 12:47:01,525 INFO L280 TraceCheckUtils]: 38: Hoare triple {6521#(and (= 0 main_~main__c~0) (<= (+ main_~main__c~0 2) main_~main__tokenlen~0))} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {6522#(not (= main_~__VERIFIER_assert__cond~12 0))} is VALID [2020-07-08 12:47:01,526 INFO L280 TraceCheckUtils]: 39: Hoare triple {6522#(not (= main_~__VERIFIER_assert__cond~12 0))} assume 0 == ~__VERIFIER_assert__cond~12; {6516#false} is VALID [2020-07-08 12:47:01,527 INFO L280 TraceCheckUtils]: 40: Hoare triple {6516#false} assume !false; {6516#false} is VALID [2020-07-08 12:47:01,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:47:01,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033863966] [2020-07-08 12:47:01,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:47:01,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:47:01,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347138165] [2020-07-08 12:47:01,532 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-07-08 12:47:01,532 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:47:01,532 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:47:01,577 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:01,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:47:01,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:47:01,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:47:01,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:47:01,579 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 6 states. [2020-07-08 12:47:02,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:02,025 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2020-07-08 12:47:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 12:47:02,026 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-07-08 12:47:02,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:47:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 72 transitions. [2020-07-08 12:47:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:02,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 72 transitions. [2020-07-08 12:47:02,032 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 72 transitions. [2020-07-08 12:47:02,143 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:02,145 INFO L225 Difference]: With dead ends: 70 [2020-07-08 12:47:02,145 INFO L226 Difference]: Without dead ends: 68 [2020-07-08 12:47:02,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-08 12:47:02,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-08 12:47:02,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-07-08 12:47:02,245 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:47:02,245 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 66 states. [2020-07-08 12:47:02,245 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 66 states. [2020-07-08 12:47:02,245 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 66 states. [2020-07-08 12:47:02,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:02,247 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2020-07-08 12:47:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-07-08 12:47:02,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:02,248 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:02,248 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 68 states. [2020-07-08 12:47:02,248 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 68 states. [2020-07-08 12:47:02,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:02,250 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2020-07-08 12:47:02,250 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-07-08 12:47:02,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:02,251 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:02,251 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:47:02,251 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:47:02,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-08 12:47:02,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2020-07-08 12:47:02,253 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 41 [2020-07-08 12:47:02,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:47:02,253 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2020-07-08 12:47:02,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:47:02,253 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2020-07-08 12:47:02,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-08 12:47:02,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:02,254 INFO L422 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] [2020-07-08 12:47:02,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-08 12:47:02,255 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:02,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:02,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1083553822, now seen corresponding path program 1 times [2020-07-08 12:47:02,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:02,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470354288] [2020-07-08 12:47:02,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:02,352 INFO L280 TraceCheckUtils]: 0: Hoare triple {6834#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {6826#true} is VALID [2020-07-08 12:47:02,353 INFO L280 TraceCheckUtils]: 1: Hoare triple {6826#true} assume true; {6826#true} is VALID [2020-07-08 12:47:02,353 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6826#true} {6826#true} #223#return; {6826#true} is VALID [2020-07-08 12:47:02,354 INFO L263 TraceCheckUtils]: 0: Hoare triple {6826#true} call ULTIMATE.init(); {6834#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:47:02,354 INFO L280 TraceCheckUtils]: 1: Hoare triple {6834#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {6826#true} is VALID [2020-07-08 12:47:02,355 INFO L280 TraceCheckUtils]: 2: Hoare triple {6826#true} assume true; {6826#true} is VALID [2020-07-08 12:47:02,355 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6826#true} {6826#true} #223#return; {6826#true} is VALID [2020-07-08 12:47:02,355 INFO L263 TraceCheckUtils]: 4: Hoare triple {6826#true} call #t~ret7 := main(); {6826#true} is VALID [2020-07-08 12:47:02,355 INFO L280 TraceCheckUtils]: 5: Hoare triple {6826#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {6826#true} is VALID [2020-07-08 12:47:02,355 INFO L280 TraceCheckUtils]: 6: Hoare triple {6826#true} assume !!(~main__urilen~0 <= 1000000); {6826#true} is VALID [2020-07-08 12:47:02,356 INFO L280 TraceCheckUtils]: 7: Hoare triple {6826#true} assume !!(~main__urilen~0 >= -1000000); {6826#true} is VALID [2020-07-08 12:47:02,356 INFO L280 TraceCheckUtils]: 8: Hoare triple {6826#true} assume !!(~main__tokenlen~0 <= 1000000); {6826#true} is VALID [2020-07-08 12:47:02,356 INFO L280 TraceCheckUtils]: 9: Hoare triple {6826#true} assume !!(~main__tokenlen~0 >= -1000000); {6826#true} is VALID [2020-07-08 12:47:02,356 INFO L280 TraceCheckUtils]: 10: Hoare triple {6826#true} assume !!(~main__scheme~0 <= 1000000); {6826#true} is VALID [2020-07-08 12:47:02,356 INFO L280 TraceCheckUtils]: 11: Hoare triple {6826#true} assume !!(~main__scheme~0 >= -1000000); {6826#true} is VALID [2020-07-08 12:47:02,357 INFO L280 TraceCheckUtils]: 12: Hoare triple {6826#true} assume ~main__urilen~0 > 0; {6826#true} is VALID [2020-07-08 12:47:02,357 INFO L280 TraceCheckUtils]: 13: Hoare triple {6826#true} assume ~main__tokenlen~0 > 0; {6826#true} is VALID [2020-07-08 12:47:02,357 INFO L280 TraceCheckUtils]: 14: Hoare triple {6826#true} assume ~main__scheme~0 >= 0; {6826#true} is VALID [2020-07-08 12:47:02,357 INFO L280 TraceCheckUtils]: 15: Hoare triple {6826#true} assume !(0 == ~main__scheme~0); {6826#true} is VALID [2020-07-08 12:47:02,357 INFO L280 TraceCheckUtils]: 16: Hoare triple {6826#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {6826#true} is VALID [2020-07-08 12:47:02,358 INFO L280 TraceCheckUtils]: 17: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {6826#true} is VALID [2020-07-08 12:47:02,358 INFO L280 TraceCheckUtils]: 18: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {6826#true} is VALID [2020-07-08 12:47:02,358 INFO L280 TraceCheckUtils]: 19: Hoare triple {6826#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {6826#true} is VALID [2020-07-08 12:47:02,358 INFO L280 TraceCheckUtils]: 20: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {6826#true} is VALID [2020-07-08 12:47:02,358 INFO L280 TraceCheckUtils]: 21: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~3); {6826#true} is VALID [2020-07-08 12:47:02,358 INFO L280 TraceCheckUtils]: 22: Hoare triple {6826#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {6826#true} is VALID [2020-07-08 12:47:02,359 INFO L280 TraceCheckUtils]: 23: Hoare triple {6826#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {6826#true} is VALID [2020-07-08 12:47:02,359 INFO L280 TraceCheckUtils]: 24: Hoare triple {6826#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {6826#true} is VALID [2020-07-08 12:47:02,359 INFO L280 TraceCheckUtils]: 25: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {6826#true} is VALID [2020-07-08 12:47:02,359 INFO L280 TraceCheckUtils]: 26: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~5); {6826#true} is VALID [2020-07-08 12:47:02,359 INFO L280 TraceCheckUtils]: 27: Hoare triple {6826#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {6826#true} is VALID [2020-07-08 12:47:02,360 INFO L280 TraceCheckUtils]: 28: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {6826#true} is VALID [2020-07-08 12:47:02,360 INFO L280 TraceCheckUtils]: 29: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~7); {6826#true} is VALID [2020-07-08 12:47:02,360 INFO L280 TraceCheckUtils]: 30: Hoare triple {6826#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {6826#true} is VALID [2020-07-08 12:47:02,361 INFO L280 TraceCheckUtils]: 31: Hoare triple {6826#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {6831#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:02,361 INFO L280 TraceCheckUtils]: 32: Hoare triple {6831#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {6831#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:02,362 INFO L280 TraceCheckUtils]: 33: Hoare triple {6831#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {6831#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:02,362 INFO L280 TraceCheckUtils]: 34: Hoare triple {6831#(= 0 main_~main__c~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {6831#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:02,363 INFO L280 TraceCheckUtils]: 35: Hoare triple {6831#(= 0 main_~main__c~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {6831#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:02,363 INFO L280 TraceCheckUtils]: 36: Hoare triple {6831#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {6831#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:02,364 INFO L280 TraceCheckUtils]: 37: Hoare triple {6831#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {6831#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:02,365 INFO L280 TraceCheckUtils]: 38: Hoare triple {6831#(= 0 main_~main__c~0)} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {6832#(<= 1 main_~main__c~0)} is VALID [2020-07-08 12:47:02,366 INFO L280 TraceCheckUtils]: 39: Hoare triple {6832#(<= 1 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if 0 <= ~main__c~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {6833#(not (= main_~__VERIFIER_assert__cond~13 0))} is VALID [2020-07-08 12:47:02,366 INFO L280 TraceCheckUtils]: 40: Hoare triple {6833#(not (= main_~__VERIFIER_assert__cond~13 0))} assume 0 == ~__VERIFIER_assert__cond~13; {6827#false} is VALID [2020-07-08 12:47:02,367 INFO L280 TraceCheckUtils]: 41: Hoare triple {6827#false} assume !false; {6827#false} is VALID [2020-07-08 12:47:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:47:02,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470354288] [2020-07-08 12:47:02,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:47:02,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:47:02,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041275739] [2020-07-08 12:47:02,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-07-08 12:47:02,370 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:47:02,371 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:47:02,418 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:02,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:47:02,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:47:02,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:47:02,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:47:02,419 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 6 states. [2020-07-08 12:47:02,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:02,924 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2020-07-08 12:47:02,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 12:47:02,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-07-08 12:47:02,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:47:02,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:02,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 68 transitions. [2020-07-08 12:47:02,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:02,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 68 transitions. [2020-07-08 12:47:02,927 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 68 transitions. [2020-07-08 12:47:03,024 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:03,025 INFO L225 Difference]: With dead ends: 68 [2020-07-08 12:47:03,025 INFO L226 Difference]: Without dead ends: 66 [2020-07-08 12:47:03,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-07-08 12:47:03,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-08 12:47:03,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2020-07-08 12:47:03,116 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:47:03,117 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 64 states. [2020-07-08 12:47:03,117 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 64 states. [2020-07-08 12:47:03,117 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 64 states. [2020-07-08 12:47:03,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:03,118 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2020-07-08 12:47:03,119 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-07-08 12:47:03,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:03,119 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:03,119 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 66 states. [2020-07-08 12:47:03,119 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 66 states. [2020-07-08 12:47:03,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:03,121 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2020-07-08 12:47:03,121 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-07-08 12:47:03,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:03,121 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:03,121 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:47:03,121 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:47:03,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-07-08 12:47:03,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2020-07-08 12:47:03,123 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 42 [2020-07-08 12:47:03,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:47:03,123 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2020-07-08 12:47:03,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:47:03,123 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2020-07-08 12:47:03,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-08 12:47:03,124 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:03,124 INFO L422 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] [2020-07-08 12:47:03,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-07-08 12:47:03,124 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:03,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:03,125 INFO L82 PathProgramCache]: Analyzing trace with hash -769566670, now seen corresponding path program 1 times [2020-07-08 12:47:03,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:03,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830096046] [2020-07-08 12:47:03,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:03,209 INFO L280 TraceCheckUtils]: 0: Hoare triple {7137#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {7129#true} is VALID [2020-07-08 12:47:03,209 INFO L280 TraceCheckUtils]: 1: Hoare triple {7129#true} assume true; {7129#true} is VALID [2020-07-08 12:47:03,209 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {7129#true} {7129#true} #223#return; {7129#true} is VALID [2020-07-08 12:47:03,210 INFO L263 TraceCheckUtils]: 0: Hoare triple {7129#true} call ULTIMATE.init(); {7137#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:47:03,210 INFO L280 TraceCheckUtils]: 1: Hoare triple {7137#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {7129#true} is VALID [2020-07-08 12:47:03,210 INFO L280 TraceCheckUtils]: 2: Hoare triple {7129#true} assume true; {7129#true} is VALID [2020-07-08 12:47:03,210 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {7129#true} {7129#true} #223#return; {7129#true} is VALID [2020-07-08 12:47:03,211 INFO L263 TraceCheckUtils]: 4: Hoare triple {7129#true} call #t~ret7 := main(); {7129#true} is VALID [2020-07-08 12:47:03,211 INFO L280 TraceCheckUtils]: 5: Hoare triple {7129#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {7129#true} is VALID [2020-07-08 12:47:03,211 INFO L280 TraceCheckUtils]: 6: Hoare triple {7129#true} assume !!(~main__urilen~0 <= 1000000); {7129#true} is VALID [2020-07-08 12:47:03,211 INFO L280 TraceCheckUtils]: 7: Hoare triple {7129#true} assume !!(~main__urilen~0 >= -1000000); {7129#true} is VALID [2020-07-08 12:47:03,211 INFO L280 TraceCheckUtils]: 8: Hoare triple {7129#true} assume !!(~main__tokenlen~0 <= 1000000); {7129#true} is VALID [2020-07-08 12:47:03,211 INFO L280 TraceCheckUtils]: 9: Hoare triple {7129#true} assume !!(~main__tokenlen~0 >= -1000000); {7129#true} is VALID [2020-07-08 12:47:03,212 INFO L280 TraceCheckUtils]: 10: Hoare triple {7129#true} assume !!(~main__scheme~0 <= 1000000); {7129#true} is VALID [2020-07-08 12:47:03,212 INFO L280 TraceCheckUtils]: 11: Hoare triple {7129#true} assume !!(~main__scheme~0 >= -1000000); {7129#true} is VALID [2020-07-08 12:47:03,212 INFO L280 TraceCheckUtils]: 12: Hoare triple {7129#true} assume ~main__urilen~0 > 0; {7129#true} is VALID [2020-07-08 12:47:03,212 INFO L280 TraceCheckUtils]: 13: Hoare triple {7129#true} assume ~main__tokenlen~0 > 0; {7129#true} is VALID [2020-07-08 12:47:03,212 INFO L280 TraceCheckUtils]: 14: Hoare triple {7129#true} assume ~main__scheme~0 >= 0; {7129#true} is VALID [2020-07-08 12:47:03,212 INFO L280 TraceCheckUtils]: 15: Hoare triple {7129#true} assume !(0 == ~main__scheme~0); {7129#true} is VALID [2020-07-08 12:47:03,213 INFO L280 TraceCheckUtils]: 16: Hoare triple {7129#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {7129#true} is VALID [2020-07-08 12:47:03,213 INFO L280 TraceCheckUtils]: 17: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {7129#true} is VALID [2020-07-08 12:47:03,213 INFO L280 TraceCheckUtils]: 18: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {7129#true} is VALID [2020-07-08 12:47:03,213 INFO L280 TraceCheckUtils]: 19: Hoare triple {7129#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {7129#true} is VALID [2020-07-08 12:47:03,213 INFO L280 TraceCheckUtils]: 20: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {7129#true} is VALID [2020-07-08 12:47:03,214 INFO L280 TraceCheckUtils]: 21: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~3); {7129#true} is VALID [2020-07-08 12:47:03,214 INFO L280 TraceCheckUtils]: 22: Hoare triple {7129#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {7129#true} is VALID [2020-07-08 12:47:03,214 INFO L280 TraceCheckUtils]: 23: Hoare triple {7129#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {7129#true} is VALID [2020-07-08 12:47:03,214 INFO L280 TraceCheckUtils]: 24: Hoare triple {7129#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {7129#true} is VALID [2020-07-08 12:47:03,214 INFO L280 TraceCheckUtils]: 25: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {7129#true} is VALID [2020-07-08 12:47:03,214 INFO L280 TraceCheckUtils]: 26: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~5); {7129#true} is VALID [2020-07-08 12:47:03,215 INFO L280 TraceCheckUtils]: 27: Hoare triple {7129#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {7129#true} is VALID [2020-07-08 12:47:03,215 INFO L280 TraceCheckUtils]: 28: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {7129#true} is VALID [2020-07-08 12:47:03,215 INFO L280 TraceCheckUtils]: 29: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~7); {7129#true} is VALID [2020-07-08 12:47:03,215 INFO L280 TraceCheckUtils]: 30: Hoare triple {7129#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {7129#true} is VALID [2020-07-08 12:47:03,216 INFO L280 TraceCheckUtils]: 31: Hoare triple {7129#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {7134#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~8)) (and (< main_~main__cp~0 main_~main__urilen~0) (= 1 main_~__VERIFIER_assert__cond~8)))} is VALID [2020-07-08 12:47:03,217 INFO L280 TraceCheckUtils]: 32: Hoare triple {7134#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~8)) (and (< main_~main__cp~0 main_~main__urilen~0) (= 1 main_~__VERIFIER_assert__cond~8)))} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:47:03,218 INFO L280 TraceCheckUtils]: 33: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:47:03,218 INFO L280 TraceCheckUtils]: 34: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:47:03,219 INFO L280 TraceCheckUtils]: 35: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:47:03,219 INFO L280 TraceCheckUtils]: 36: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:47:03,220 INFO L280 TraceCheckUtils]: 37: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:47:03,220 INFO L280 TraceCheckUtils]: 38: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:47:03,221 INFO L280 TraceCheckUtils]: 39: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if 0 <= ~main__c~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:47:03,222 INFO L280 TraceCheckUtils]: 40: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {7136#(not (= main_~__VERIFIER_assert__cond~14 0))} is VALID [2020-07-08 12:47:03,222 INFO L280 TraceCheckUtils]: 41: Hoare triple {7136#(not (= main_~__VERIFIER_assert__cond~14 0))} assume 0 == ~__VERIFIER_assert__cond~14; {7130#false} is VALID [2020-07-08 12:47:03,222 INFO L280 TraceCheckUtils]: 42: Hoare triple {7130#false} assume !false; {7130#false} is VALID [2020-07-08 12:47:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:47:03,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830096046] [2020-07-08 12:47:03,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:47:03,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:47:03,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523152710] [2020-07-08 12:47:03,226 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-07-08 12:47:03,226 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:47:03,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:47:03,272 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:03,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:47:03,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:47:03,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:47:03,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:47:03,273 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 6 states. [2020-07-08 12:47:04,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:04,005 INFO L93 Difference]: Finished difference Result 90 states and 95 transitions. [2020-07-08 12:47:04,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 12:47:04,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-07-08 12:47:04,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:47:04,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:04,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 95 transitions. [2020-07-08 12:47:04,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 95 transitions. [2020-07-08 12:47:04,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 95 transitions. [2020-07-08 12:47:04,130 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:04,132 INFO L225 Difference]: With dead ends: 90 [2020-07-08 12:47:04,132 INFO L226 Difference]: Without dead ends: 88 [2020-07-08 12:47:04,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-07-08 12:47:04,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-07-08 12:47:04,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 69. [2020-07-08 12:47:04,221 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:47:04,222 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand 69 states. [2020-07-08 12:47:04,222 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 69 states. [2020-07-08 12:47:04,222 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 69 states. [2020-07-08 12:47:04,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:04,224 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2020-07-08 12:47:04,224 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2020-07-08 12:47:04,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:04,224 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:04,225 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 88 states. [2020-07-08 12:47:04,225 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 88 states. [2020-07-08 12:47:04,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:04,226 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2020-07-08 12:47:04,226 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2020-07-08 12:47:04,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:04,227 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:04,227 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:47:04,227 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:47:04,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-07-08 12:47:04,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2020-07-08 12:47:04,229 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 43 [2020-07-08 12:47:04,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:47:04,229 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2020-07-08 12:47:04,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:47:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2020-07-08 12:47:04,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-08 12:47:04,230 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:04,230 INFO L422 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] [2020-07-08 12:47:04,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-07-08 12:47:04,230 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:04,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:04,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1913240228, now seen corresponding path program 1 times [2020-07-08 12:47:04,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:04,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318320691] [2020-07-08 12:47:04,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:04,314 INFO L280 TraceCheckUtils]: 0: Hoare triple {7520#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {7512#true} is VALID [2020-07-08 12:47:04,314 INFO L280 TraceCheckUtils]: 1: Hoare triple {7512#true} assume true; {7512#true} is VALID [2020-07-08 12:47:04,314 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {7512#true} {7512#true} #223#return; {7512#true} is VALID [2020-07-08 12:47:04,315 INFO L263 TraceCheckUtils]: 0: Hoare triple {7512#true} call ULTIMATE.init(); {7520#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:47:04,315 INFO L280 TraceCheckUtils]: 1: Hoare triple {7520#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {7512#true} is VALID [2020-07-08 12:47:04,315 INFO L280 TraceCheckUtils]: 2: Hoare triple {7512#true} assume true; {7512#true} is VALID [2020-07-08 12:47:04,316 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {7512#true} {7512#true} #223#return; {7512#true} is VALID [2020-07-08 12:47:04,316 INFO L263 TraceCheckUtils]: 4: Hoare triple {7512#true} call #t~ret7 := main(); {7512#true} is VALID [2020-07-08 12:47:04,316 INFO L280 TraceCheckUtils]: 5: Hoare triple {7512#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {7512#true} is VALID [2020-07-08 12:47:04,316 INFO L280 TraceCheckUtils]: 6: Hoare triple {7512#true} assume !!(~main__urilen~0 <= 1000000); {7512#true} is VALID [2020-07-08 12:47:04,316 INFO L280 TraceCheckUtils]: 7: Hoare triple {7512#true} assume !!(~main__urilen~0 >= -1000000); {7512#true} is VALID [2020-07-08 12:47:04,316 INFO L280 TraceCheckUtils]: 8: Hoare triple {7512#true} assume !!(~main__tokenlen~0 <= 1000000); {7512#true} is VALID [2020-07-08 12:47:04,317 INFO L280 TraceCheckUtils]: 9: Hoare triple {7512#true} assume !!(~main__tokenlen~0 >= -1000000); {7512#true} is VALID [2020-07-08 12:47:04,317 INFO L280 TraceCheckUtils]: 10: Hoare triple {7512#true} assume !!(~main__scheme~0 <= 1000000); {7512#true} is VALID [2020-07-08 12:47:04,317 INFO L280 TraceCheckUtils]: 11: Hoare triple {7512#true} assume !!(~main__scheme~0 >= -1000000); {7512#true} is VALID [2020-07-08 12:47:04,317 INFO L280 TraceCheckUtils]: 12: Hoare triple {7512#true} assume ~main__urilen~0 > 0; {7512#true} is VALID [2020-07-08 12:47:04,317 INFO L280 TraceCheckUtils]: 13: Hoare triple {7512#true} assume ~main__tokenlen~0 > 0; {7512#true} is VALID [2020-07-08 12:47:04,318 INFO L280 TraceCheckUtils]: 14: Hoare triple {7512#true} assume ~main__scheme~0 >= 0; {7512#true} is VALID [2020-07-08 12:47:04,318 INFO L280 TraceCheckUtils]: 15: Hoare triple {7512#true} assume !(0 == ~main__scheme~0); {7512#true} is VALID [2020-07-08 12:47:04,318 INFO L280 TraceCheckUtils]: 16: Hoare triple {7512#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {7512#true} is VALID [2020-07-08 12:47:04,318 INFO L280 TraceCheckUtils]: 17: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {7512#true} is VALID [2020-07-08 12:47:04,318 INFO L280 TraceCheckUtils]: 18: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {7512#true} is VALID [2020-07-08 12:47:04,319 INFO L280 TraceCheckUtils]: 19: Hoare triple {7512#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {7512#true} is VALID [2020-07-08 12:47:04,319 INFO L280 TraceCheckUtils]: 20: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {7512#true} is VALID [2020-07-08 12:47:04,319 INFO L280 TraceCheckUtils]: 21: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~3); {7512#true} is VALID [2020-07-08 12:47:04,319 INFO L280 TraceCheckUtils]: 22: Hoare triple {7512#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {7512#true} is VALID [2020-07-08 12:47:04,319 INFO L280 TraceCheckUtils]: 23: Hoare triple {7512#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {7512#true} is VALID [2020-07-08 12:47:04,320 INFO L280 TraceCheckUtils]: 24: Hoare triple {7512#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {7512#true} is VALID [2020-07-08 12:47:04,320 INFO L280 TraceCheckUtils]: 25: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {7512#true} is VALID [2020-07-08 12:47:04,320 INFO L280 TraceCheckUtils]: 26: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~5); {7512#true} is VALID [2020-07-08 12:47:04,321 INFO L280 TraceCheckUtils]: 27: Hoare triple {7512#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {7512#true} is VALID [2020-07-08 12:47:04,321 INFO L280 TraceCheckUtils]: 28: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {7512#true} is VALID [2020-07-08 12:47:04,321 INFO L280 TraceCheckUtils]: 29: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~7); {7512#true} is VALID [2020-07-08 12:47:04,321 INFO L280 TraceCheckUtils]: 30: Hoare triple {7512#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {7512#true} is VALID [2020-07-08 12:47:04,321 INFO L280 TraceCheckUtils]: 31: Hoare triple {7512#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {7512#true} is VALID [2020-07-08 12:47:04,323 INFO L280 TraceCheckUtils]: 32: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {7517#(or (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~9)) (and (= 0 main_~__VERIFIER_assert__cond~9) (< main_~main__cp~0 0)))} is VALID [2020-07-08 12:47:04,323 INFO L280 TraceCheckUtils]: 33: Hoare triple {7517#(or (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~9)) (and (= 0 main_~__VERIFIER_assert__cond~9) (< main_~main__cp~0 0)))} assume !(0 == ~__VERIFIER_assert__cond~9); {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:47:04,324 INFO L280 TraceCheckUtils]: 34: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:47:04,324 INFO L280 TraceCheckUtils]: 35: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:47:04,325 INFO L280 TraceCheckUtils]: 36: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:47:04,325 INFO L280 TraceCheckUtils]: 37: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:47:04,326 INFO L280 TraceCheckUtils]: 38: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:47:04,326 INFO L280 TraceCheckUtils]: 39: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if 0 <= ~main__c~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:47:04,327 INFO L280 TraceCheckUtils]: 40: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-08 12:47:04,328 INFO L280 TraceCheckUtils]: 41: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {7519#(not (= main_~__VERIFIER_assert__cond~15 0))} is VALID [2020-07-08 12:47:04,328 INFO L280 TraceCheckUtils]: 42: Hoare triple {7519#(not (= main_~__VERIFIER_assert__cond~15 0))} assume 0 == ~__VERIFIER_assert__cond~15; {7513#false} is VALID [2020-07-08 12:47:04,329 INFO L280 TraceCheckUtils]: 43: Hoare triple {7513#false} assume !false; {7513#false} is VALID [2020-07-08 12:47:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:47:04,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318320691] [2020-07-08 12:47:04,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:47:04,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:47:04,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123661392] [2020-07-08 12:47:04,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-07-08 12:47:04,332 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:47:04,332 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:47:04,376 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:04,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:47:04,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:47:04,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:47:04,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:47:04,378 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand 6 states. [2020-07-08 12:47:04,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:04,902 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2020-07-08 12:47:04,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 12:47:04,902 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-07-08 12:47:04,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:47:04,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:04,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2020-07-08 12:47:04,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:04,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2020-07-08 12:47:04,904 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 70 transitions. [2020-07-08 12:47:04,996 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:04,998 INFO L225 Difference]: With dead ends: 75 [2020-07-08 12:47:04,998 INFO L226 Difference]: Without dead ends: 73 [2020-07-08 12:47:04,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-08 12:47:04,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-08 12:47:05,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2020-07-08 12:47:05,077 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:47:05,078 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 67 states. [2020-07-08 12:47:05,078 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 67 states. [2020-07-08 12:47:05,078 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 67 states. [2020-07-08 12:47:05,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:05,079 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2020-07-08 12:47:05,079 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2020-07-08 12:47:05,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:05,080 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:05,080 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 73 states. [2020-07-08 12:47:05,080 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 73 states. [2020-07-08 12:47:05,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:05,081 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2020-07-08 12:47:05,081 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2020-07-08 12:47:05,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:05,082 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:05,082 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:47:05,082 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:47:05,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-07-08 12:47:05,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2020-07-08 12:47:05,083 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 44 [2020-07-08 12:47:05,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:47:05,083 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2020-07-08 12:47:05,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:47:05,084 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2020-07-08 12:47:05,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-08 12:47:05,084 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:05,084 INFO L422 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] [2020-07-08 12:47:05,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-07-08 12:47:05,084 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:05,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:05,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1562566919, now seen corresponding path program 1 times [2020-07-08 12:47:05,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:05,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99776166] [2020-07-08 12:47:05,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:05,256 INFO L280 TraceCheckUtils]: 0: Hoare triple {7848#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {7839#true} is VALID [2020-07-08 12:47:05,256 INFO L280 TraceCheckUtils]: 1: Hoare triple {7839#true} assume true; {7839#true} is VALID [2020-07-08 12:47:05,257 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {7839#true} {7839#true} #223#return; {7839#true} is VALID [2020-07-08 12:47:05,258 INFO L263 TraceCheckUtils]: 0: Hoare triple {7839#true} call ULTIMATE.init(); {7848#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:47:05,258 INFO L280 TraceCheckUtils]: 1: Hoare triple {7848#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {7839#true} is VALID [2020-07-08 12:47:05,258 INFO L280 TraceCheckUtils]: 2: Hoare triple {7839#true} assume true; {7839#true} is VALID [2020-07-08 12:47:05,259 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {7839#true} {7839#true} #223#return; {7839#true} is VALID [2020-07-08 12:47:05,259 INFO L263 TraceCheckUtils]: 4: Hoare triple {7839#true} call #t~ret7 := main(); {7839#true} is VALID [2020-07-08 12:47:05,259 INFO L280 TraceCheckUtils]: 5: Hoare triple {7839#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {7839#true} is VALID [2020-07-08 12:47:05,259 INFO L280 TraceCheckUtils]: 6: Hoare triple {7839#true} assume !!(~main__urilen~0 <= 1000000); {7839#true} is VALID [2020-07-08 12:47:05,260 INFO L280 TraceCheckUtils]: 7: Hoare triple {7839#true} assume !!(~main__urilen~0 >= -1000000); {7839#true} is VALID [2020-07-08 12:47:05,260 INFO L280 TraceCheckUtils]: 8: Hoare triple {7839#true} assume !!(~main__tokenlen~0 <= 1000000); {7839#true} is VALID [2020-07-08 12:47:05,260 INFO L280 TraceCheckUtils]: 9: Hoare triple {7839#true} assume !!(~main__tokenlen~0 >= -1000000); {7839#true} is VALID [2020-07-08 12:47:05,260 INFO L280 TraceCheckUtils]: 10: Hoare triple {7839#true} assume !!(~main__scheme~0 <= 1000000); {7839#true} is VALID [2020-07-08 12:47:05,261 INFO L280 TraceCheckUtils]: 11: Hoare triple {7839#true} assume !!(~main__scheme~0 >= -1000000); {7839#true} is VALID [2020-07-08 12:47:05,261 INFO L280 TraceCheckUtils]: 12: Hoare triple {7839#true} assume ~main__urilen~0 > 0; {7839#true} is VALID [2020-07-08 12:47:05,261 INFO L280 TraceCheckUtils]: 13: Hoare triple {7839#true} assume ~main__tokenlen~0 > 0; {7839#true} is VALID [2020-07-08 12:47:05,261 INFO L280 TraceCheckUtils]: 14: Hoare triple {7839#true} assume ~main__scheme~0 >= 0; {7839#true} is VALID [2020-07-08 12:47:05,262 INFO L280 TraceCheckUtils]: 15: Hoare triple {7839#true} assume !(0 == ~main__scheme~0); {7839#true} is VALID [2020-07-08 12:47:05,263 INFO L280 TraceCheckUtils]: 16: Hoare triple {7839#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,269 INFO L280 TraceCheckUtils]: 17: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,270 INFO L280 TraceCheckUtils]: 18: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,271 INFO L280 TraceCheckUtils]: 19: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,271 INFO L280 TraceCheckUtils]: 20: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,272 INFO L280 TraceCheckUtils]: 21: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,273 INFO L280 TraceCheckUtils]: 22: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,274 INFO L280 TraceCheckUtils]: 23: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~main____CPAchecker_TMP_1~0); {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,274 INFO L280 TraceCheckUtils]: 24: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,275 INFO L280 TraceCheckUtils]: 25: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,276 INFO L280 TraceCheckUtils]: 26: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~5); {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,277 INFO L280 TraceCheckUtils]: 27: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,278 INFO L280 TraceCheckUtils]: 28: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,279 INFO L280 TraceCheckUtils]: 29: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~7); {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,281 INFO L280 TraceCheckUtils]: 30: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,282 INFO L280 TraceCheckUtils]: 31: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {7846#(and (<= (+ main_~main__cp~0 2) main_~main__urilen~0) (= 0 main_~main__c~0))} is VALID [2020-07-08 12:47:05,283 INFO L280 TraceCheckUtils]: 32: Hoare triple {7846#(and (<= (+ main_~main__cp~0 2) main_~main__urilen~0) (= 0 main_~main__c~0))} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {7846#(and (<= (+ main_~main__cp~0 2) main_~main__urilen~0) (= 0 main_~main__c~0))} is VALID [2020-07-08 12:47:05,283 INFO L280 TraceCheckUtils]: 33: Hoare triple {7846#(and (<= (+ main_~main__cp~0 2) main_~main__urilen~0) (= 0 main_~main__c~0))} assume !(0 == ~__VERIFIER_assert__cond~9); {7846#(and (<= (+ main_~main__cp~0 2) main_~main__urilen~0) (= 0 main_~main__c~0))} is VALID [2020-07-08 12:47:05,284 INFO L280 TraceCheckUtils]: 34: Hoare triple {7846#(and (<= (+ main_~main__cp~0 2) main_~main__urilen~0) (= 0 main_~main__c~0))} assume ~main__cp~0 != ~main__urilen~0 - 1; {7846#(and (<= (+ main_~main__cp~0 2) main_~main__urilen~0) (= 0 main_~main__c~0))} is VALID [2020-07-08 12:47:05,285 INFO L280 TraceCheckUtils]: 35: Hoare triple {7846#(and (<= (+ main_~main__cp~0 2) main_~main__urilen~0) (= 0 main_~main__c~0))} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,286 INFO L280 TraceCheckUtils]: 36: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,287 INFO L280 TraceCheckUtils]: 37: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,287 INFO L280 TraceCheckUtils]: 38: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !!(0 == ~main____CPAchecker_TMP_3~0); {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,288 INFO L280 TraceCheckUtils]: 39: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} ~main__cp~0 := 1 + ~main__cp~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,289 INFO L280 TraceCheckUtils]: 40: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,290 INFO L280 TraceCheckUtils]: 41: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7847#(not (= main_~__VERIFIER_assert__cond~10 0))} is VALID [2020-07-08 12:47:05,291 INFO L280 TraceCheckUtils]: 42: Hoare triple {7847#(not (= main_~__VERIFIER_assert__cond~10 0))} assume 0 == ~__VERIFIER_assert__cond~10; {7840#false} is VALID [2020-07-08 12:47:05,291 INFO L280 TraceCheckUtils]: 43: Hoare triple {7840#false} assume !false; {7840#false} is VALID [2020-07-08 12:47:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:47:05,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99776166] [2020-07-08 12:47:05,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554434466] [2020-07-08 12:47:05,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-08 12:47:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:05,358 INFO L264 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-08 12:47:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:05,369 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-08 12:47:05,520 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-08 12:47:05,572 INFO L263 TraceCheckUtils]: 0: Hoare triple {7839#true} call ULTIMATE.init(); {7839#true} is VALID [2020-07-08 12:47:05,573 INFO L280 TraceCheckUtils]: 1: Hoare triple {7839#true} ~__return_main~0 := 0;~__return_375~0 := 0; {7839#true} is VALID [2020-07-08 12:47:05,573 INFO L280 TraceCheckUtils]: 2: Hoare triple {7839#true} assume true; {7839#true} is VALID [2020-07-08 12:47:05,573 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {7839#true} {7839#true} #223#return; {7839#true} is VALID [2020-07-08 12:47:05,574 INFO L263 TraceCheckUtils]: 4: Hoare triple {7839#true} call #t~ret7 := main(); {7839#true} is VALID [2020-07-08 12:47:05,574 INFO L280 TraceCheckUtils]: 5: Hoare triple {7839#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {7839#true} is VALID [2020-07-08 12:47:05,574 INFO L280 TraceCheckUtils]: 6: Hoare triple {7839#true} assume !!(~main__urilen~0 <= 1000000); {7839#true} is VALID [2020-07-08 12:47:05,574 INFO L280 TraceCheckUtils]: 7: Hoare triple {7839#true} assume !!(~main__urilen~0 >= -1000000); {7839#true} is VALID [2020-07-08 12:47:05,574 INFO L280 TraceCheckUtils]: 8: Hoare triple {7839#true} assume !!(~main__tokenlen~0 <= 1000000); {7839#true} is VALID [2020-07-08 12:47:05,574 INFO L280 TraceCheckUtils]: 9: Hoare triple {7839#true} assume !!(~main__tokenlen~0 >= -1000000); {7839#true} is VALID [2020-07-08 12:47:05,575 INFO L280 TraceCheckUtils]: 10: Hoare triple {7839#true} assume !!(~main__scheme~0 <= 1000000); {7839#true} is VALID [2020-07-08 12:47:05,575 INFO L280 TraceCheckUtils]: 11: Hoare triple {7839#true} assume !!(~main__scheme~0 >= -1000000); {7839#true} is VALID [2020-07-08 12:47:05,575 INFO L280 TraceCheckUtils]: 12: Hoare triple {7839#true} assume ~main__urilen~0 > 0; {7839#true} is VALID [2020-07-08 12:47:05,575 INFO L280 TraceCheckUtils]: 13: Hoare triple {7839#true} assume ~main__tokenlen~0 > 0; {7839#true} is VALID [2020-07-08 12:47:05,575 INFO L280 TraceCheckUtils]: 14: Hoare triple {7839#true} assume ~main__scheme~0 >= 0; {7839#true} is VALID [2020-07-08 12:47:05,575 INFO L280 TraceCheckUtils]: 15: Hoare triple {7839#true} assume !(0 == ~main__scheme~0); {7839#true} is VALID [2020-07-08 12:47:05,576 INFO L280 TraceCheckUtils]: 16: Hoare triple {7839#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,576 INFO L280 TraceCheckUtils]: 17: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,577 INFO L280 TraceCheckUtils]: 18: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,577 INFO L280 TraceCheckUtils]: 19: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,577 INFO L280 TraceCheckUtils]: 20: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,578 INFO L280 TraceCheckUtils]: 21: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,578 INFO L280 TraceCheckUtils]: 22: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,579 INFO L280 TraceCheckUtils]: 23: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~main____CPAchecker_TMP_1~0); {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,579 INFO L280 TraceCheckUtils]: 24: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,580 INFO L280 TraceCheckUtils]: 25: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,580 INFO L280 TraceCheckUtils]: 26: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~5); {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,581 INFO L280 TraceCheckUtils]: 27: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,581 INFO L280 TraceCheckUtils]: 28: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,582 INFO L280 TraceCheckUtils]: 29: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~7); {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,583 INFO L280 TraceCheckUtils]: 30: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,583 INFO L280 TraceCheckUtils]: 31: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,584 INFO L280 TraceCheckUtils]: 32: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,584 INFO L280 TraceCheckUtils]: 33: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~9); {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,585 INFO L280 TraceCheckUtils]: 34: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume ~main__cp~0 != ~main__urilen~0 - 1; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,585 INFO L280 TraceCheckUtils]: 35: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,586 INFO L280 TraceCheckUtils]: 36: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,586 INFO L280 TraceCheckUtils]: 37: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,590 INFO L280 TraceCheckUtils]: 38: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !!(0 == ~main____CPAchecker_TMP_3~0); {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-08 12:47:05,594 INFO L280 TraceCheckUtils]: 39: Hoare triple {7845#(and (< main_~main__cp~0 main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} ~main__cp~0 := 1 + ~main__cp~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,594 INFO L280 TraceCheckUtils]: 40: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-08 12:47:05,595 INFO L280 TraceCheckUtils]: 41: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7975#(<= 1 main_~__VERIFIER_assert__cond~10)} is VALID [2020-07-08 12:47:05,596 INFO L280 TraceCheckUtils]: 42: Hoare triple {7975#(<= 1 main_~__VERIFIER_assert__cond~10)} assume 0 == ~__VERIFIER_assert__cond~10; {7840#false} is VALID [2020-07-08 12:47:05,596 INFO L280 TraceCheckUtils]: 43: Hoare triple {7840#false} assume !false; {7840#false} is VALID [2020-07-08 12:47:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:47:05,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-08 12:47:05,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-08 12:47:05,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239406419] [2020-07-08 12:47:05,601 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-07-08 12:47:05,601 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:47:05,603 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 12:47:05,660 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:05,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 12:47:05,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:47:05,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 12:47:05,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-08 12:47:05,662 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 8 states. [2020-07-08 12:47:06,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:06,261 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2020-07-08 12:47:06,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 12:47:06,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-07-08 12:47:06,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:47:06,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 12:47:06,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 61 transitions. [2020-07-08 12:47:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 12:47:06,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 61 transitions. [2020-07-08 12:47:06,266 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 61 transitions. [2020-07-08 12:47:06,343 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:06,344 INFO L225 Difference]: With dead ends: 68 [2020-07-08 12:47:06,344 INFO L226 Difference]: Without dead ends: 66 [2020-07-08 12:47:06,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 7 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2020-07-08 12:47:06,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-08 12:47:06,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2020-07-08 12:47:06,425 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:47:06,425 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 65 states. [2020-07-08 12:47:06,425 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 65 states. [2020-07-08 12:47:06,425 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 65 states. [2020-07-08 12:47:06,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:06,427 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2020-07-08 12:47:06,427 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2020-07-08 12:47:06,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:06,427 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:06,428 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 66 states. [2020-07-08 12:47:06,428 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 66 states. [2020-07-08 12:47:06,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:06,429 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2020-07-08 12:47:06,429 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2020-07-08 12:47:06,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:06,430 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:06,430 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:47:06,430 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:47:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-07-08 12:47:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2020-07-08 12:47:06,431 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 44 [2020-07-08 12:47:06,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:47:06,432 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2020-07-08 12:47:06,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 12:47:06,432 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2020-07-08 12:47:06,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-08 12:47:06,432 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:06,432 INFO L422 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] [2020-07-08 12:47:06,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-07-08 12:47:06,634 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:06,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:06,634 INFO L82 PathProgramCache]: Analyzing trace with hash 790604971, now seen corresponding path program 1 times [2020-07-08 12:47:06,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:06,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715921333] [2020-07-08 12:47:06,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:06,712 INFO L280 TraceCheckUtils]: 0: Hoare triple {8289#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {8281#true} is VALID [2020-07-08 12:47:06,713 INFO L280 TraceCheckUtils]: 1: Hoare triple {8281#true} assume true; {8281#true} is VALID [2020-07-08 12:47:06,713 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8281#true} {8281#true} #223#return; {8281#true} is VALID [2020-07-08 12:47:06,714 INFO L263 TraceCheckUtils]: 0: Hoare triple {8281#true} call ULTIMATE.init(); {8289#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:47:06,714 INFO L280 TraceCheckUtils]: 1: Hoare triple {8289#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {8281#true} is VALID [2020-07-08 12:47:06,714 INFO L280 TraceCheckUtils]: 2: Hoare triple {8281#true} assume true; {8281#true} is VALID [2020-07-08 12:47:06,714 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8281#true} {8281#true} #223#return; {8281#true} is VALID [2020-07-08 12:47:06,714 INFO L263 TraceCheckUtils]: 4: Hoare triple {8281#true} call #t~ret7 := main(); {8281#true} is VALID [2020-07-08 12:47:06,714 INFO L280 TraceCheckUtils]: 5: Hoare triple {8281#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {8281#true} is VALID [2020-07-08 12:47:06,715 INFO L280 TraceCheckUtils]: 6: Hoare triple {8281#true} assume !!(~main__urilen~0 <= 1000000); {8281#true} is VALID [2020-07-08 12:47:06,715 INFO L280 TraceCheckUtils]: 7: Hoare triple {8281#true} assume !!(~main__urilen~0 >= -1000000); {8281#true} is VALID [2020-07-08 12:47:06,715 INFO L280 TraceCheckUtils]: 8: Hoare triple {8281#true} assume !!(~main__tokenlen~0 <= 1000000); {8281#true} is VALID [2020-07-08 12:47:06,715 INFO L280 TraceCheckUtils]: 9: Hoare triple {8281#true} assume !!(~main__tokenlen~0 >= -1000000); {8281#true} is VALID [2020-07-08 12:47:06,715 INFO L280 TraceCheckUtils]: 10: Hoare triple {8281#true} assume !!(~main__scheme~0 <= 1000000); {8281#true} is VALID [2020-07-08 12:47:06,715 INFO L280 TraceCheckUtils]: 11: Hoare triple {8281#true} assume !!(~main__scheme~0 >= -1000000); {8281#true} is VALID [2020-07-08 12:47:06,716 INFO L280 TraceCheckUtils]: 12: Hoare triple {8281#true} assume ~main__urilen~0 > 0; {8281#true} is VALID [2020-07-08 12:47:06,716 INFO L280 TraceCheckUtils]: 13: Hoare triple {8281#true} assume ~main__tokenlen~0 > 0; {8281#true} is VALID [2020-07-08 12:47:06,716 INFO L280 TraceCheckUtils]: 14: Hoare triple {8281#true} assume ~main__scheme~0 >= 0; {8281#true} is VALID [2020-07-08 12:47:06,716 INFO L280 TraceCheckUtils]: 15: Hoare triple {8281#true} assume !(0 == ~main__scheme~0); {8281#true} is VALID [2020-07-08 12:47:06,716 INFO L280 TraceCheckUtils]: 16: Hoare triple {8281#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {8281#true} is VALID [2020-07-08 12:47:06,716 INFO L280 TraceCheckUtils]: 17: Hoare triple {8281#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {8281#true} is VALID [2020-07-08 12:47:06,717 INFO L280 TraceCheckUtils]: 18: Hoare triple {8281#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {8281#true} is VALID [2020-07-08 12:47:06,717 INFO L280 TraceCheckUtils]: 19: Hoare triple {8281#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {8281#true} is VALID [2020-07-08 12:47:06,717 INFO L280 TraceCheckUtils]: 20: Hoare triple {8281#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {8281#true} is VALID [2020-07-08 12:47:06,717 INFO L280 TraceCheckUtils]: 21: Hoare triple {8281#true} assume !(0 == ~__VERIFIER_assert__cond~3); {8281#true} is VALID [2020-07-08 12:47:06,717 INFO L280 TraceCheckUtils]: 22: Hoare triple {8281#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {8281#true} is VALID [2020-07-08 12:47:06,717 INFO L280 TraceCheckUtils]: 23: Hoare triple {8281#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {8281#true} is VALID [2020-07-08 12:47:06,718 INFO L280 TraceCheckUtils]: 24: Hoare triple {8281#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {8281#true} is VALID [2020-07-08 12:47:06,718 INFO L280 TraceCheckUtils]: 25: Hoare triple {8281#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {8281#true} is VALID [2020-07-08 12:47:06,718 INFO L280 TraceCheckUtils]: 26: Hoare triple {8281#true} assume !(0 == ~__VERIFIER_assert__cond~5); {8281#true} is VALID [2020-07-08 12:47:06,718 INFO L280 TraceCheckUtils]: 27: Hoare triple {8281#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {8281#true} is VALID [2020-07-08 12:47:06,718 INFO L280 TraceCheckUtils]: 28: Hoare triple {8281#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {8281#true} is VALID [2020-07-08 12:47:06,719 INFO L280 TraceCheckUtils]: 29: Hoare triple {8281#true} assume !(0 == ~__VERIFIER_assert__cond~7); {8281#true} is VALID [2020-07-08 12:47:06,719 INFO L280 TraceCheckUtils]: 30: Hoare triple {8281#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {8281#true} is VALID [2020-07-08 12:47:06,719 INFO L280 TraceCheckUtils]: 31: Hoare triple {8281#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {8281#true} is VALID [2020-07-08 12:47:06,719 INFO L280 TraceCheckUtils]: 32: Hoare triple {8281#true} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {8281#true} is VALID [2020-07-08 12:47:06,719 INFO L280 TraceCheckUtils]: 33: Hoare triple {8281#true} assume !(0 == ~__VERIFIER_assert__cond~9); {8281#true} is VALID [2020-07-08 12:47:06,719 INFO L280 TraceCheckUtils]: 34: Hoare triple {8281#true} assume ~main__cp~0 != ~main__urilen~0 - 1; {8281#true} is VALID [2020-07-08 12:47:06,719 INFO L280 TraceCheckUtils]: 35: Hoare triple {8281#true} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {8281#true} is VALID [2020-07-08 12:47:06,720 INFO L280 TraceCheckUtils]: 36: Hoare triple {8281#true} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {8281#true} is VALID [2020-07-08 12:47:06,720 INFO L280 TraceCheckUtils]: 37: Hoare triple {8281#true} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {8281#true} is VALID [2020-07-08 12:47:06,720 INFO L280 TraceCheckUtils]: 38: Hoare triple {8281#true} assume !!(0 == ~main____CPAchecker_TMP_3~0); {8281#true} is VALID [2020-07-08 12:47:06,720 INFO L280 TraceCheckUtils]: 39: Hoare triple {8281#true} ~main__cp~0 := 1 + ~main__cp~0; {8281#true} is VALID [2020-07-08 12:47:06,720 INFO L280 TraceCheckUtils]: 40: Hoare triple {8281#true} assume ~main__cp~0 != ~main__urilen~0 - 1; {8281#true} is VALID [2020-07-08 12:47:06,721 INFO L280 TraceCheckUtils]: 41: Hoare triple {8281#true} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {8286#(or (and (= main_~__VERIFIER_assert__cond~10 1) (< main_~main__cp~0 main_~main__urilen~0)) (and (<= main_~main__urilen~0 main_~main__cp~0) (= main_~__VERIFIER_assert__cond~10 0)))} is VALID [2020-07-08 12:47:06,722 INFO L280 TraceCheckUtils]: 42: Hoare triple {8286#(or (and (= main_~__VERIFIER_assert__cond~10 1) (< main_~main__cp~0 main_~main__urilen~0)) (and (<= main_~main__urilen~0 main_~main__cp~0) (= main_~__VERIFIER_assert__cond~10 0)))} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {8287#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:47:06,723 INFO L280 TraceCheckUtils]: 43: Hoare triple {8287#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {8287#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:47:06,723 INFO L280 TraceCheckUtils]: 44: Hoare triple {8287#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {8287#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:47:06,724 INFO L280 TraceCheckUtils]: 45: Hoare triple {8287#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if 0 <= ~main__c~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {8287#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-08 12:47:06,724 INFO L280 TraceCheckUtils]: 46: Hoare triple {8287#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {8288#(not (= main_~__VERIFIER_assert__cond~14 0))} is VALID [2020-07-08 12:47:06,725 INFO L280 TraceCheckUtils]: 47: Hoare triple {8288#(not (= main_~__VERIFIER_assert__cond~14 0))} assume 0 == ~__VERIFIER_assert__cond~14; {8282#false} is VALID [2020-07-08 12:47:06,725 INFO L280 TraceCheckUtils]: 48: Hoare triple {8282#false} assume !false; {8282#false} is VALID [2020-07-08 12:47:06,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-08 12:47:06,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715921333] [2020-07-08 12:47:06,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:47:06,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:47:06,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912878854] [2020-07-08 12:47:06,728 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-08 12:47:06,728 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:47:06,728 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:47:06,781 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:06,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:47:06,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:47:06,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:47:06,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:47:06,782 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 6 states. [2020-07-08 12:47:07,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:07,483 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2020-07-08 12:47:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 12:47:07,483 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-08 12:47:07,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:47:07,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:07,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 73 transitions. [2020-07-08 12:47:07,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 73 transitions. [2020-07-08 12:47:07,486 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 73 transitions. [2020-07-08 12:47:07,584 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:07,586 INFO L225 Difference]: With dead ends: 77 [2020-07-08 12:47:07,587 INFO L226 Difference]: Without dead ends: 75 [2020-07-08 12:47:07,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-07-08 12:47:07,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-07-08 12:47:07,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 55. [2020-07-08 12:47:07,670 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:47:07,670 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 55 states. [2020-07-08 12:47:07,670 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 55 states. [2020-07-08 12:47:07,670 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 55 states. [2020-07-08 12:47:07,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:07,672 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2020-07-08 12:47:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-07-08 12:47:07,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:07,673 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:07,673 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 75 states. [2020-07-08 12:47:07,673 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 75 states. [2020-07-08 12:47:07,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:07,674 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2020-07-08 12:47:07,675 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-07-08 12:47:07,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:07,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:07,681 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:47:07,681 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:47:07,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-08 12:47:07,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2020-07-08 12:47:07,682 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 49 [2020-07-08 12:47:07,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:47:07,682 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2020-07-08 12:47:07,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:47:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2020-07-08 12:47:07,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-08 12:47:07,683 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:07,683 INFO L422 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] [2020-07-08 12:47:07,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-07-08 12:47:07,684 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:07,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:07,688 INFO L82 PathProgramCache]: Analyzing trace with hash 705971477, now seen corresponding path program 1 times [2020-07-08 12:47:07,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:07,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308656089] [2020-07-08 12:47:07,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:07,783 INFO L280 TraceCheckUtils]: 0: Hoare triple {8620#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {8612#true} is VALID [2020-07-08 12:47:07,784 INFO L280 TraceCheckUtils]: 1: Hoare triple {8612#true} assume true; {8612#true} is VALID [2020-07-08 12:47:07,784 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8612#true} {8612#true} #223#return; {8612#true} is VALID [2020-07-08 12:47:07,785 INFO L263 TraceCheckUtils]: 0: Hoare triple {8612#true} call ULTIMATE.init(); {8620#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-08 12:47:07,785 INFO L280 TraceCheckUtils]: 1: Hoare triple {8620#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {8612#true} is VALID [2020-07-08 12:47:07,785 INFO L280 TraceCheckUtils]: 2: Hoare triple {8612#true} assume true; {8612#true} is VALID [2020-07-08 12:47:07,786 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8612#true} {8612#true} #223#return; {8612#true} is VALID [2020-07-08 12:47:07,786 INFO L263 TraceCheckUtils]: 4: Hoare triple {8612#true} call #t~ret7 := main(); {8612#true} is VALID [2020-07-08 12:47:07,786 INFO L280 TraceCheckUtils]: 5: Hoare triple {8612#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {8612#true} is VALID [2020-07-08 12:47:07,786 INFO L280 TraceCheckUtils]: 6: Hoare triple {8612#true} assume !!(~main__urilen~0 <= 1000000); {8612#true} is VALID [2020-07-08 12:47:07,786 INFO L280 TraceCheckUtils]: 7: Hoare triple {8612#true} assume !!(~main__urilen~0 >= -1000000); {8612#true} is VALID [2020-07-08 12:47:07,786 INFO L280 TraceCheckUtils]: 8: Hoare triple {8612#true} assume !!(~main__tokenlen~0 <= 1000000); {8612#true} is VALID [2020-07-08 12:47:07,787 INFO L280 TraceCheckUtils]: 9: Hoare triple {8612#true} assume !!(~main__tokenlen~0 >= -1000000); {8612#true} is VALID [2020-07-08 12:47:07,787 INFO L280 TraceCheckUtils]: 10: Hoare triple {8612#true} assume !!(~main__scheme~0 <= 1000000); {8612#true} is VALID [2020-07-08 12:47:07,787 INFO L280 TraceCheckUtils]: 11: Hoare triple {8612#true} assume !!(~main__scheme~0 >= -1000000); {8612#true} is VALID [2020-07-08 12:47:07,787 INFO L280 TraceCheckUtils]: 12: Hoare triple {8612#true} assume ~main__urilen~0 > 0; {8612#true} is VALID [2020-07-08 12:47:07,787 INFO L280 TraceCheckUtils]: 13: Hoare triple {8612#true} assume ~main__tokenlen~0 > 0; {8612#true} is VALID [2020-07-08 12:47:07,787 INFO L280 TraceCheckUtils]: 14: Hoare triple {8612#true} assume ~main__scheme~0 >= 0; {8612#true} is VALID [2020-07-08 12:47:07,788 INFO L280 TraceCheckUtils]: 15: Hoare triple {8612#true} assume !(0 == ~main__scheme~0); {8612#true} is VALID [2020-07-08 12:47:07,788 INFO L280 TraceCheckUtils]: 16: Hoare triple {8612#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {8612#true} is VALID [2020-07-08 12:47:07,788 INFO L280 TraceCheckUtils]: 17: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {8612#true} is VALID [2020-07-08 12:47:07,788 INFO L280 TraceCheckUtils]: 18: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {8612#true} is VALID [2020-07-08 12:47:07,788 INFO L280 TraceCheckUtils]: 19: Hoare triple {8612#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {8612#true} is VALID [2020-07-08 12:47:07,788 INFO L280 TraceCheckUtils]: 20: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {8612#true} is VALID [2020-07-08 12:47:07,789 INFO L280 TraceCheckUtils]: 21: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~3); {8612#true} is VALID [2020-07-08 12:47:07,789 INFO L280 TraceCheckUtils]: 22: Hoare triple {8612#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {8612#true} is VALID [2020-07-08 12:47:07,789 INFO L280 TraceCheckUtils]: 23: Hoare triple {8612#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {8612#true} is VALID [2020-07-08 12:47:07,789 INFO L280 TraceCheckUtils]: 24: Hoare triple {8612#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {8612#true} is VALID [2020-07-08 12:47:07,789 INFO L280 TraceCheckUtils]: 25: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {8612#true} is VALID [2020-07-08 12:47:07,790 INFO L280 TraceCheckUtils]: 26: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~5); {8612#true} is VALID [2020-07-08 12:47:07,790 INFO L280 TraceCheckUtils]: 27: Hoare triple {8612#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {8612#true} is VALID [2020-07-08 12:47:07,790 INFO L280 TraceCheckUtils]: 28: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {8612#true} is VALID [2020-07-08 12:47:07,790 INFO L280 TraceCheckUtils]: 29: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~7); {8612#true} is VALID [2020-07-08 12:47:07,790 INFO L280 TraceCheckUtils]: 30: Hoare triple {8612#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {8612#true} is VALID [2020-07-08 12:47:07,791 INFO L280 TraceCheckUtils]: 31: Hoare triple {8612#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {8617#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:07,792 INFO L280 TraceCheckUtils]: 32: Hoare triple {8617#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {8617#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:07,792 INFO L280 TraceCheckUtils]: 33: Hoare triple {8617#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {8617#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:07,793 INFO L280 TraceCheckUtils]: 34: Hoare triple {8617#(= 0 main_~main__c~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {8617#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:07,793 INFO L280 TraceCheckUtils]: 35: Hoare triple {8617#(= 0 main_~main__c~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {8617#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:07,794 INFO L280 TraceCheckUtils]: 36: Hoare triple {8617#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {8617#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:07,794 INFO L280 TraceCheckUtils]: 37: Hoare triple {8617#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {8617#(= 0 main_~main__c~0)} is VALID [2020-07-08 12:47:07,795 INFO L280 TraceCheckUtils]: 38: Hoare triple {8617#(= 0 main_~main__c~0)} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {8612#true} is VALID [2020-07-08 12:47:07,795 INFO L280 TraceCheckUtils]: 39: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if 0 <= ~main__c~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {8612#true} is VALID [2020-07-08 12:47:07,795 INFO L280 TraceCheckUtils]: 40: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {8612#true} is VALID [2020-07-08 12:47:07,795 INFO L280 TraceCheckUtils]: 41: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {8612#true} is VALID [2020-07-08 12:47:07,795 INFO L280 TraceCheckUtils]: 42: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~15); {8612#true} is VALID [2020-07-08 12:47:07,796 INFO L280 TraceCheckUtils]: 43: Hoare triple {8612#true} ~main__cp~0 := 1 + ~main__cp~0; {8612#true} is VALID [2020-07-08 12:47:07,796 INFO L280 TraceCheckUtils]: 44: Hoare triple {8612#true} assume ~main__cp~0 != ~main__urilen~0 - 1; {8612#true} is VALID [2020-07-08 12:47:07,797 INFO L280 TraceCheckUtils]: 45: Hoare triple {8612#true} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {8618#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} is VALID [2020-07-08 12:47:07,797 INFO L280 TraceCheckUtils]: 46: Hoare triple {8618#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {8618#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} is VALID [2020-07-08 12:47:07,798 INFO L280 TraceCheckUtils]: 47: Hoare triple {8618#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {8618#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} is VALID [2020-07-08 12:47:07,799 INFO L280 TraceCheckUtils]: 48: Hoare triple {8618#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {8619#(not (= main_~__VERIFIER_assert__cond~12 0))} is VALID [2020-07-08 12:47:07,799 INFO L280 TraceCheckUtils]: 49: Hoare triple {8619#(not (= main_~__VERIFIER_assert__cond~12 0))} assume 0 == ~__VERIFIER_assert__cond~12; {8613#false} is VALID [2020-07-08 12:47:07,800 INFO L280 TraceCheckUtils]: 50: Hoare triple {8613#false} assume !false; {8613#false} is VALID [2020-07-08 12:47:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:47:07,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308656089] [2020-07-08 12:47:07,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931494736] [2020-07-08 12:47:07,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-08 12:47:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:07,880 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-08 12:47:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:07,899 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-08 12:47:07,997 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-08 12:47:08,052 INFO L263 TraceCheckUtils]: 0: Hoare triple {8612#true} call ULTIMATE.init(); {8612#true} is VALID [2020-07-08 12:47:08,053 INFO L280 TraceCheckUtils]: 1: Hoare triple {8612#true} ~__return_main~0 := 0;~__return_375~0 := 0; {8612#true} is VALID [2020-07-08 12:47:08,053 INFO L280 TraceCheckUtils]: 2: Hoare triple {8612#true} assume true; {8612#true} is VALID [2020-07-08 12:47:08,053 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8612#true} {8612#true} #223#return; {8612#true} is VALID [2020-07-08 12:47:08,054 INFO L263 TraceCheckUtils]: 4: Hoare triple {8612#true} call #t~ret7 := main(); {8612#true} is VALID [2020-07-08 12:47:08,054 INFO L280 TraceCheckUtils]: 5: Hoare triple {8612#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {8612#true} is VALID [2020-07-08 12:47:08,054 INFO L280 TraceCheckUtils]: 6: Hoare triple {8612#true} assume !!(~main__urilen~0 <= 1000000); {8612#true} is VALID [2020-07-08 12:47:08,054 INFO L280 TraceCheckUtils]: 7: Hoare triple {8612#true} assume !!(~main__urilen~0 >= -1000000); {8612#true} is VALID [2020-07-08 12:47:08,054 INFO L280 TraceCheckUtils]: 8: Hoare triple {8612#true} assume !!(~main__tokenlen~0 <= 1000000); {8612#true} is VALID [2020-07-08 12:47:08,055 INFO L280 TraceCheckUtils]: 9: Hoare triple {8612#true} assume !!(~main__tokenlen~0 >= -1000000); {8612#true} is VALID [2020-07-08 12:47:08,055 INFO L280 TraceCheckUtils]: 10: Hoare triple {8612#true} assume !!(~main__scheme~0 <= 1000000); {8612#true} is VALID [2020-07-08 12:47:08,055 INFO L280 TraceCheckUtils]: 11: Hoare triple {8612#true} assume !!(~main__scheme~0 >= -1000000); {8612#true} is VALID [2020-07-08 12:47:08,055 INFO L280 TraceCheckUtils]: 12: Hoare triple {8612#true} assume ~main__urilen~0 > 0; {8612#true} is VALID [2020-07-08 12:47:08,055 INFO L280 TraceCheckUtils]: 13: Hoare triple {8612#true} assume ~main__tokenlen~0 > 0; {8612#true} is VALID [2020-07-08 12:47:08,056 INFO L280 TraceCheckUtils]: 14: Hoare triple {8612#true} assume ~main__scheme~0 >= 0; {8612#true} is VALID [2020-07-08 12:47:08,056 INFO L280 TraceCheckUtils]: 15: Hoare triple {8612#true} assume !(0 == ~main__scheme~0); {8612#true} is VALID [2020-07-08 12:47:08,056 INFO L280 TraceCheckUtils]: 16: Hoare triple {8612#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {8612#true} is VALID [2020-07-08 12:47:08,056 INFO L280 TraceCheckUtils]: 17: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {8612#true} is VALID [2020-07-08 12:47:08,056 INFO L280 TraceCheckUtils]: 18: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {8612#true} is VALID [2020-07-08 12:47:08,057 INFO L280 TraceCheckUtils]: 19: Hoare triple {8612#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {8612#true} is VALID [2020-07-08 12:47:08,057 INFO L280 TraceCheckUtils]: 20: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {8612#true} is VALID [2020-07-08 12:47:08,057 INFO L280 TraceCheckUtils]: 21: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~3); {8612#true} is VALID [2020-07-08 12:47:08,057 INFO L280 TraceCheckUtils]: 22: Hoare triple {8612#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {8612#true} is VALID [2020-07-08 12:47:08,057 INFO L280 TraceCheckUtils]: 23: Hoare triple {8612#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {8612#true} is VALID [2020-07-08 12:47:08,058 INFO L280 TraceCheckUtils]: 24: Hoare triple {8612#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {8612#true} is VALID [2020-07-08 12:47:08,058 INFO L280 TraceCheckUtils]: 25: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {8612#true} is VALID [2020-07-08 12:47:08,058 INFO L280 TraceCheckUtils]: 26: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~5); {8612#true} is VALID [2020-07-08 12:47:08,058 INFO L280 TraceCheckUtils]: 27: Hoare triple {8612#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {8612#true} is VALID [2020-07-08 12:47:08,058 INFO L280 TraceCheckUtils]: 28: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {8612#true} is VALID [2020-07-08 12:47:08,059 INFO L280 TraceCheckUtils]: 29: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~7); {8612#true} is VALID [2020-07-08 12:47:08,059 INFO L280 TraceCheckUtils]: 30: Hoare triple {8612#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {8612#true} is VALID [2020-07-08 12:47:08,059 INFO L280 TraceCheckUtils]: 31: Hoare triple {8612#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {8612#true} is VALID [2020-07-08 12:47:08,059 INFO L280 TraceCheckUtils]: 32: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {8612#true} is VALID [2020-07-08 12:47:08,059 INFO L280 TraceCheckUtils]: 33: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~9); {8612#true} is VALID [2020-07-08 12:47:08,059 INFO L280 TraceCheckUtils]: 34: Hoare triple {8612#true} assume ~main__cp~0 != ~main__urilen~0 - 1; {8612#true} is VALID [2020-07-08 12:47:08,060 INFO L280 TraceCheckUtils]: 35: Hoare triple {8612#true} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {8612#true} is VALID [2020-07-08 12:47:08,060 INFO L280 TraceCheckUtils]: 36: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {8612#true} is VALID [2020-07-08 12:47:08,060 INFO L280 TraceCheckUtils]: 37: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {8612#true} is VALID [2020-07-08 12:47:08,060 INFO L280 TraceCheckUtils]: 38: Hoare triple {8612#true} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {8612#true} is VALID [2020-07-08 12:47:08,061 INFO L280 TraceCheckUtils]: 39: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if 0 <= ~main__c~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {8612#true} is VALID [2020-07-08 12:47:08,061 INFO L280 TraceCheckUtils]: 40: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {8612#true} is VALID [2020-07-08 12:47:08,061 INFO L280 TraceCheckUtils]: 41: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {8612#true} is VALID [2020-07-08 12:47:08,061 INFO L280 TraceCheckUtils]: 42: Hoare triple {8612#true} assume !(0 == ~__VERIFIER_assert__cond~15); {8612#true} is VALID [2020-07-08 12:47:08,061 INFO L280 TraceCheckUtils]: 43: Hoare triple {8612#true} ~main__cp~0 := 1 + ~main__cp~0; {8612#true} is VALID [2020-07-08 12:47:08,061 INFO L280 TraceCheckUtils]: 44: Hoare triple {8612#true} assume ~main__cp~0 != ~main__urilen~0 - 1; {8612#true} is VALID [2020-07-08 12:47:08,063 INFO L280 TraceCheckUtils]: 45: Hoare triple {8612#true} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {8618#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} is VALID [2020-07-08 12:47:08,064 INFO L280 TraceCheckUtils]: 46: Hoare triple {8618#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {8618#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} is VALID [2020-07-08 12:47:08,064 INFO L280 TraceCheckUtils]: 47: Hoare triple {8618#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {8618#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} is VALID [2020-07-08 12:47:08,065 INFO L280 TraceCheckUtils]: 48: Hoare triple {8618#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {8768#(<= 1 main_~__VERIFIER_assert__cond~12)} is VALID [2020-07-08 12:47:08,066 INFO L280 TraceCheckUtils]: 49: Hoare triple {8768#(<= 1 main_~__VERIFIER_assert__cond~12)} assume 0 == ~__VERIFIER_assert__cond~12; {8613#false} is VALID [2020-07-08 12:47:08,066 INFO L280 TraceCheckUtils]: 50: Hoare triple {8613#false} assume !false; {8613#false} is VALID [2020-07-08 12:47:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-08 12:47:08,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-08 12:47:08,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2020-07-08 12:47:08,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181783940] [2020-07-08 12:47:08,070 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-08 12:47:08,070 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:47:08,070 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 12:47:08,126 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:08,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 12:47:08,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:47:08,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 12:47:08,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-08 12:47:08,127 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 4 states. [2020-07-08 12:47:08,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:08,407 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2020-07-08 12:47:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 12:47:08,407 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-08 12:47:08,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:47:08,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 12:47:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 62 transitions. [2020-07-08 12:47:08,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 12:47:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 62 transitions. [2020-07-08 12:47:08,411 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 62 transitions. [2020-07-08 12:47:08,487 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:08,487 INFO L225 Difference]: With dead ends: 60 [2020-07-08 12:47:08,487 INFO L226 Difference]: Without dead ends: 0 [2020-07-08 12:47:08,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-08 12:47:08,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-08 12:47:08,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-08 12:47:08,489 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:47:08,489 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-08 12:47:08,489 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 12:47:08,489 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 12:47:08,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:08,490 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 12:47:08,490 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:47:08,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:08,490 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:08,491 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 12:47:08,491 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 12:47:08,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:08,491 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 12:47:08,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:47:08,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:08,492 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:08,492 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:47:08,492 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:47:08,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-08 12:47:08,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-08 12:47:08,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-07-08 12:47:08,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:47:08,493 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-08 12:47:08,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 12:47:08,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:47:08,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:08,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-08 12:47:08,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-08 12:47:08,890 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 110 [2020-07-08 12:47:09,084 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 92 [2020-07-08 12:47:09,256 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2020-07-08 12:47:09,777 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2020-07-08 12:47:09,968 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2020-07-08 12:47:10,301 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2020-07-08 12:47:10,308 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-08 12:47:10,309 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|)) [2020-07-08 12:47:10,309 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-08 12:47:10,309 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-08 12:47:10,309 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-08 12:47:10,309 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-08 12:47:10,309 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-08 12:47:10,309 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-07-08 12:47:10,309 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-08 12:47:10,309 INFO L268 CegarLoopResult]: For program point L5-2(lines 4 6) no Hoare annotation was computed. [2020-07-08 12:47:10,309 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-07-08 12:47:10,309 INFO L268 CegarLoopResult]: For program point L192(lines 192 352) no Hoare annotation was computed. [2020-07-08 12:47:10,309 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2020-07-08 12:47:10,310 INFO L268 CegarLoopResult]: For program point L382(lines 382 391) no Hoare annotation was computed. [2020-07-08 12:47:10,310 INFO L268 CegarLoopResult]: For program point L93(lines 93 410) no Hoare annotation was computed. [2020-07-08 12:47:10,310 INFO L268 CegarLoopResult]: For program point L27(lines 27 435) no Hoare annotation was computed. [2020-07-08 12:47:10,310 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 437) no Hoare annotation was computed. [2020-07-08 12:47:10,310 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-07-08 12:47:10,310 INFO L264 CegarLoopResult]: At program point L399(lines 129 400) the Hoare annotation is: (and (< main_~main__cp~0 main_~main__urilen~0) (= 1 main_~__VERIFIER_assert__cond~3) (= |old(~__return_375~0)| ~__return_375~0) (let ((.cse0 (not (= 0 main_~__VERIFIER_assert__cond~0))) (.cse1 (<= 1 main_~main__cp~0)) (.cse2 (not (= 0 main_~__VERIFIER_assert__cond~1))) (.cse3 (< 0 main_~main__scheme~0))) (or (and (not (= 0 main_~__VERIFIER_assert__cond~2)) .cse0 (not (= main_~__VERIFIER_assert__cond~16 0)) .cse1 .cse2 .cse3) (and (= 1 main_~__VERIFIER_assert__cond~2) .cse0 .cse1 .cse2 .cse3)))) [2020-07-08 12:47:10,310 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 253) no Hoare annotation was computed. [2020-07-08 12:47:10,310 INFO L268 CegarLoopResult]: For program point L102(lines 102 409) no Hoare annotation was computed. [2020-07-08 12:47:10,310 INFO L268 CegarLoopResult]: For program point L69(lines 69 414) no Hoare annotation was computed. [2020-07-08 12:47:10,311 INFO L264 CegarLoopResult]: At program point L325(lines 260 326) the Hoare annotation is: (let ((.cse0 (= 1 main_~__VERIFIER_assert__cond~9)) (.cse1 (not (= 0 main_~__VERIFIER_assert__cond~2))) (.cse2 (not (= 0 main_~__VERIFIER_assert__cond~8))) (.cse3 (not (= 0 main_~__VERIFIER_assert__cond~5))) (.cse4 (not (= (+ main_~main__cp~0 1) main_~main__urilen~0))) (.cse5 (<= 1 main_~__VERIFIER_assert__cond~4)) (.cse6 (= 1 main_~__VERIFIER_assert__cond~3)) (.cse7 (= |old(~__return_375~0)| ~__return_375~0)) (.cse8 (not (= 0 main_~__VERIFIER_assert__cond~6))) (.cse9 (= main_~__VERIFIER_assert__cond~10 1)) (.cse10 (not (= 0 main_~__VERIFIER_assert__cond~7))) (.cse11 (not (= main_~__VERIFIER_assert__cond~11 0))) (.cse12 (not (= 0 main_~__VERIFIER_assert__cond~0))) (.cse13 (< main_~main__cp~0 main_~main__urilen~0)) (.cse14 (not (= 0 main_~__VERIFIER_assert__cond~1))) (.cse15 (<= 1 main_~main__cp~0)) (.cse16 (< 0 main_~main__scheme~0))) (or (and .cse0 .cse1 .cse2 (not (= main_~__VERIFIER_assert__cond~14 0)) .cse3 .cse4 (not (= main_~__VERIFIER_assert__cond~15 0)) .cse5 .cse6 .cse7 .cse8 (<= 1 main_~__VERIFIER_assert__cond~12) .cse9 (not (= main_~__VERIFIER_assert__cond~13 0)) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (<= 1 main_~main__c~0)) (and .cse0 .cse1 .cse2 (= 0 main_~main__c~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= (+ main_~main__c~0 2) main_~main__tokenlen~0) .cse14 .cse15 .cse16))) [2020-07-08 12:47:10,311 INFO L268 CegarLoopResult]: For program point L292(lines 292 316) no Hoare annotation was computed. [2020-07-08 12:47:10,311 INFO L268 CegarLoopResult]: For program point L160(lines 160 357) no Hoare annotation was computed. [2020-07-08 12:47:10,311 INFO L268 CegarLoopResult]: For program point L61(lines 61 420) no Hoare annotation was computed. [2020-07-08 12:47:10,311 INFO L268 CegarLoopResult]: For program point L251(lines 251 327) no Hoare annotation was computed. [2020-07-08 12:47:10,311 INFO L268 CegarLoopResult]: For program point L185(lines 185 353) no Hoare annotation was computed. [2020-07-08 12:47:10,311 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-07-08 12:47:10,311 INFO L264 CegarLoopResult]: At program point L408(lines 102 409) the Hoare annotation is: (and (not (= 0 main_~__VERIFIER_assert__cond~0)) (= |old(~__return_375~0)| ~__return_375~0)) [2020-07-08 12:47:10,311 INFO L268 CegarLoopResult]: For program point L210(lines 210 344) no Hoare annotation was computed. [2020-07-08 12:47:10,311 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-07-08 12:47:10,312 INFO L268 CegarLoopResult]: For program point L45(lines 45 432) no Hoare annotation was computed. [2020-07-08 12:47:10,312 INFO L268 CegarLoopResult]: For program point L268(lines 268 320) no Hoare annotation was computed. [2020-07-08 12:47:10,312 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 294) no Hoare annotation was computed. [2020-07-08 12:47:10,312 INFO L268 CegarLoopResult]: For program point L202(lines 202 351) no Hoare annotation was computed. [2020-07-08 12:47:10,312 INFO L268 CegarLoopResult]: For program point L260(lines 260 326) no Hoare annotation was computed. [2020-07-08 12:47:10,312 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-07-08 12:47:10,312 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-07-08 12:47:10,312 INFO L268 CegarLoopResult]: For program point L153(lines 153 358) no Hoare annotation was computed. [2020-07-08 12:47:10,312 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2020-07-08 12:47:10,313 INFO L268 CegarLoopResult]: For program point L21(lines 21 436) no Hoare annotation was computed. [2020-07-08 12:47:10,313 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 437) no Hoare annotation was computed. [2020-07-08 12:47:10,313 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 282) no Hoare annotation was computed. [2020-07-08 12:47:10,313 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-07-08 12:47:10,313 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-07-08 12:47:10,313 INFO L268 CegarLoopResult]: For program point L63(lines 63 415) no Hoare annotation was computed. [2020-07-08 12:47:10,313 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 437) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2020-07-08 12:47:10,313 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-08 12:47:10,313 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-08 12:47:10,313 INFO L268 CegarLoopResult]: For program point L121(lines 121 401) no Hoare annotation was computed. [2020-07-08 12:47:10,313 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-07-08 12:47:10,313 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point L39(lines 39 433) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 372) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point L370(lines 370 393) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point L81(lines 81 412) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point L304(lines 304 314) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 306) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point L222(lines 222 342) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-08 12:47:10,314 INFO L268 CegarLoopResult]: For program point L57(lines 57 430) no Hoare annotation was computed. [2020-07-08 12:47:10,315 INFO L264 CegarLoopResult]: At program point L313(lines 228 342) the Hoare annotation is: (let ((.cse0 (= 1 main_~__VERIFIER_assert__cond~9)) (.cse1 (not (= 0 main_~__VERIFIER_assert__cond~2))) (.cse2 (not (= 0 main_~__VERIFIER_assert__cond~8))) (.cse17 (= 0 main_~main__c~0)) (.cse3 (not (= 0 main_~__VERIFIER_assert__cond~5))) (.cse4 (<= 1 main_~__VERIFIER_assert__cond~4)) (.cse5 (= 1 main_~__VERIFIER_assert__cond~3)) (.cse6 (= |old(~__return_375~0)| ~__return_375~0)) (.cse7 (not (= 0 main_~__VERIFIER_assert__cond~6))) (.cse8 (<= 0 main_~main__cp~0)) (.cse9 (not (= 0 main_~__VERIFIER_assert__cond~7))) (.cse10 (<= 1 main_~__VERIFIER_assert__cond~10)) (.cse11 (not (= main_~__VERIFIER_assert__cond~11 0))) (.cse12 (not (= 0 main_~__VERIFIER_assert__cond~0))) (.cse13 (<= (+ main_~main__cp~0 1) main_~main__urilen~0)) (.cse14 (<= 1 main_~main__cp~0)) (.cse15 (not (= 0 main_~__VERIFIER_assert__cond~1))) (.cse16 (< 0 main_~main__scheme~0))) (or (and .cse0 .cse1 .cse2 (not (= main_~__VERIFIER_assert__cond~14 0)) .cse3 (not (= main_~__VERIFIER_assert__cond~15 0)) .cse4 .cse5 .cse6 .cse7 (<= 1 main_~__VERIFIER_assert__cond~12) .cse8 (not (= main_~__VERIFIER_assert__cond~13 0)) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (<= 1 main_~main__c~0)) (and .cse0 .cse1 .cse2 .cse17 .cse3 .cse4 .cse5 .cse6 (= 1 main_~__VERIFIER_assert__cond~8) .cse7 .cse8 .cse9 (<= (+ main_~main__cp~0 2) main_~main__urilen~0) .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 .cse1 .cse2 .cse17 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= (+ main_~main__c~0 2) main_~main__tokenlen~0) .cse14 .cse15 .cse16))) [2020-07-08 12:47:10,315 INFO L268 CegarLoopResult]: For program point L280(lines 280 318) no Hoare annotation was computed. [2020-07-08 12:47:10,315 INFO L268 CegarLoopResult]: For program point L239(lines 239 329) no Hoare annotation was computed. [2020-07-08 12:47:10,315 INFO L268 CegarLoopResult]: For program point L173(lines 173 355) no Hoare annotation was computed. [2020-07-08 12:47:10,315 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 241) no Hoare annotation was computed. [2020-07-08 12:47:10,315 INFO L268 CegarLoopResult]: For program point L33(lines 33 434) no Hoare annotation was computed. [2020-07-08 12:47:10,315 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2020-07-08 12:47:10,315 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-07-08 12:47:10,315 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-08 12:47:10,315 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-07-08 12:47:10,316 INFO L268 CegarLoopResult]: For program point L141(lines 141 360) no Hoare annotation was computed. [2020-07-08 12:47:10,316 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 224) no Hoare annotation was computed. [2020-07-08 12:47:10,316 INFO L268 CegarLoopResult]: For program point L232(lines 232 336) no Hoare annotation was computed. [2020-07-08 12:47:10,316 INFO L268 CegarLoopResult]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2020-07-08 12:47:10,316 INFO L268 CegarLoopResult]: For program point L133(lines 133 395) no Hoare annotation was computed. [2020-07-08 12:47:10,316 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-08 12:47:10,316 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 143) no Hoare annotation was computed. [2020-07-08 12:47:10,316 INFO L268 CegarLoopResult]: For program point L59(lines 59 425) no Hoare annotation was computed. [2020-07-08 12:47:10,316 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-07-08 12:47:10,316 INFO L268 CegarLoopResult]: For program point L51(lines 51 431) no Hoare annotation was computed. [2020-07-08 12:47:10,316 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-07-08 12:47:10,317 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 270) no Hoare annotation was computed. [2020-07-08 12:47:10,317 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-08 12:47:10,317 INFO L268 CegarLoopResult]: For program point L109(lines 109 403) no Hoare annotation was computed. [2020-07-08 12:47:10,317 INFO L264 CegarLoopResult]: At program point L390(lines 127 401) the Hoare annotation is: (let ((.cse0 (<= (+ main_~main__cp~0 1) main_~main__urilen~0)) (.cse1 (not (= 0 main_~__VERIFIER_assert__cond~0))) (.cse2 (= |old(~__return_375~0)| ~__return_375~0)) (.cse3 (= 1 main_~__VERIFIER_assert__cond~3)) (.cse4 (<= 1 main_~main__cp~0)) (.cse5 (not (= 0 main_~__VERIFIER_assert__cond~1))) (.cse6 (< 0 main_~main__scheme~0))) (or (and (<= 1 main_~__VERIFIER_assert__cond~16) (not (= 0 main_~__VERIFIER_assert__cond~2)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= main_~__VERIFIER_assert__cond~17 0))) (and (= 1 main_~__VERIFIER_assert__cond~2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-07-08 12:47:10,321 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 12:47:10,322 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 12:47:10,322 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 12:47:10,322 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 12:47:10,322 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 12:47:10,322 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-08 12:47:10,322 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-08 12:47:10,322 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 12:47:10,323 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 12:47:10,323 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 12:47:10,323 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 12:47:10,323 WARN L170 areAnnotationChecker]: L5-2 has no Hoare annotation [2020-07-08 12:47:10,323 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 12:47:10,323 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 12:47:10,323 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 12:47:10,323 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 12:47:10,323 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-08 12:47:10,324 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-08 12:47:10,325 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-08 12:47:10,326 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 12:47:10,326 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-08 12:47:10,326 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-08 12:47:10,326 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-08 12:47:10,326 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-08 12:47:10,326 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-08 12:47:10,326 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-08 12:47:10,326 WARN L170 areAnnotationChecker]: L133 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L133 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L133 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L370 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L370 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L382 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L382 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L143 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L143 has no Hoare annotation [2020-07-08 12:47:10,328 WARN L170 areAnnotationChecker]: L153 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L153 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2020-07-08 12:47:10,329 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-08 12:47:10,330 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-08 12:47:10,330 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-08 12:47:10,330 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-08 12:47:10,330 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2020-07-08 12:47:10,330 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2020-07-08 12:47:10,330 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2020-07-08 12:47:10,330 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2020-07-08 12:47:10,330 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2020-07-08 12:47:10,330 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2020-07-08 12:47:10,330 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-08 12:47:10,331 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-08 12:47:10,331 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-08 12:47:10,331 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-08 12:47:10,331 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-08 12:47:10,333 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-08 12:47:10,333 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-08 12:47:10,333 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2020-07-08 12:47:10,333 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2020-07-08 12:47:10,333 WARN L170 areAnnotationChecker]: L241 has no Hoare annotation [2020-07-08 12:47:10,333 WARN L170 areAnnotationChecker]: L241 has no Hoare annotation [2020-07-08 12:47:10,333 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2020-07-08 12:47:10,333 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2020-07-08 12:47:10,333 WARN L170 areAnnotationChecker]: L253 has no Hoare annotation [2020-07-08 12:47:10,333 WARN L170 areAnnotationChecker]: L253 has no Hoare annotation [2020-07-08 12:47:10,333 WARN L170 areAnnotationChecker]: L260 has no Hoare annotation [2020-07-08 12:47:10,334 WARN L170 areAnnotationChecker]: L260 has no Hoare annotation [2020-07-08 12:47:10,334 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2020-07-08 12:47:10,334 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2020-07-08 12:47:10,336 WARN L170 areAnnotationChecker]: L270 has no Hoare annotation [2020-07-08 12:47:10,336 WARN L170 areAnnotationChecker]: L270 has no Hoare annotation [2020-07-08 12:47:10,336 WARN L170 areAnnotationChecker]: L280 has no Hoare annotation [2020-07-08 12:47:10,336 WARN L170 areAnnotationChecker]: L280 has no Hoare annotation [2020-07-08 12:47:10,336 WARN L170 areAnnotationChecker]: L282 has no Hoare annotation [2020-07-08 12:47:10,336 WARN L170 areAnnotationChecker]: L282 has no Hoare annotation [2020-07-08 12:47:10,336 WARN L170 areAnnotationChecker]: L292 has no Hoare annotation [2020-07-08 12:47:10,336 WARN L170 areAnnotationChecker]: L292 has no Hoare annotation [2020-07-08 12:47:10,336 WARN L170 areAnnotationChecker]: L294 has no Hoare annotation [2020-07-08 12:47:10,336 WARN L170 areAnnotationChecker]: L294 has no Hoare annotation [2020-07-08 12:47:10,336 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-08 12:47:10,336 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-08 12:47:10,337 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2020-07-08 12:47:10,337 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2020-07-08 12:47:10,337 INFO L163 areAnnotationChecker]: CFG has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 12:47:10,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 12:47:10 BoogieIcfgContainer [2020-07-08 12:47:10,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 12:47:10,362 INFO L168 Benchmark]: Toolchain (without parser) took 26412.11 ms. Allocated memory was 142.1 MB in the beginning and 433.6 MB in the end (delta: 291.5 MB). Free memory was 100.5 MB in the beginning and 313.5 MB in the end (delta: -213.0 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:10,363 INFO L168 Benchmark]: CDTParser took 1.32 ms. Allocated memory is still 142.1 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 12:47:10,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.98 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 100.3 MB in the beginning and 180.6 MB in the end (delta: -80.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:10,363 INFO L168 Benchmark]: Boogie Preprocessor took 54.82 ms. Allocated memory is still 201.9 MB. Free memory was 180.6 MB in the beginning and 178.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:10,364 INFO L168 Benchmark]: RCFGBuilder took 771.11 ms. Allocated memory is still 201.9 MB. Free memory was 178.3 MB in the beginning and 130.9 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:10,365 INFO L168 Benchmark]: TraceAbstraction took 25130.16 ms. Allocated memory was 201.9 MB in the beginning and 433.6 MB in the end (delta: 231.7 MB). Free memory was 130.2 MB in the beginning and 313.5 MB in the end (delta: -183.3 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:10,367 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 ms. Allocated memory is still 142.1 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 444.98 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 100.3 MB in the beginning and 180.6 MB in the end (delta: -80.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.82 ms. Allocated memory is still 201.9 MB. Free memory was 180.6 MB in the beginning and 178.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 771.11 ms. Allocated memory is still 201.9 MB. Free memory was 178.3 MB in the beginning and 130.9 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25130.16 ms. Allocated memory was 201.9 MB in the beginning and 433.6 MB in the end (delta: 231.7 MB). Free memory was 130.2 MB in the beginning and 313.5 MB in the end (delta: -183.3 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 306]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 372]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 212]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 282]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 224]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 241]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 294]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 270]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 143]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 253]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 384]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 123]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 95]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((((1 <= __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && main__cp + 1 <= main__urilen) && !(0 == __VERIFIER_assert__cond)) && \old(__return_375) == __return_375) && 1 == __VERIFIER_assert__cond) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) || (((((((1 == __VERIFIER_assert__cond && main__cp + 1 <= main__urilen) && !(0 == __VERIFIER_assert__cond)) && \old(__return_375) == __return_375) && 1 == __VERIFIER_assert__cond) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: !(0 == __VERIFIER_assert__cond) && \old(__return_375) == __return_375 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((1 == __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && 1 == __VERIFIER_assert__cond) && \old(__return_375) == __return_375) && !(0 == __VERIFIER_assert__cond)) && 1 <= __VERIFIER_assert__cond) && 0 <= main__cp) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && 1 <= __VERIFIER_assert__cond) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && main__cp + 1 <= main__urilen) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme) && 1 <= main__c) || (((((((((((((((((1 == __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && 0 == main__c) && !(0 == __VERIFIER_assert__cond)) && 1 <= __VERIFIER_assert__cond) && 1 == __VERIFIER_assert__cond) && \old(__return_375) == __return_375) && 1 == __VERIFIER_assert__cond) && !(0 == __VERIFIER_assert__cond)) && 0 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && main__cp + 2 <= main__urilen) && !(0 == __VERIFIER_assert__cond)) && main__cp + 1 <= main__urilen) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme)) || ((((((((((((((((((1 == __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && 0 == main__c) && !(0 == __VERIFIER_assert__cond)) && 1 <= __VERIFIER_assert__cond) && 1 == __VERIFIER_assert__cond) && \old(__return_375) == __return_375) && !(0 == __VERIFIER_assert__cond)) && 0 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 1 <= __VERIFIER_assert__cond) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && main__cp + 1 <= main__urilen) && main__c + 2 <= main__tokenlen) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((main__cp < main__urilen && 1 == __VERIFIER_assert__cond) && \old(__return_375) == __return_375) && ((((((!(0 == __VERIFIER_assert__cond) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme) || ((((1 == __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme)) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (((((((((((((((((((((1 == __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && !(main__cp + 1 == main__urilen)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && 1 == __VERIFIER_assert__cond) && \old(__return_375) == __return_375) && !(0 == __VERIFIER_assert__cond)) && 1 <= __VERIFIER_assert__cond) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && main__cp < main__urilen) && !(0 == __VERIFIER_assert__cond)) && 1 <= main__cp) && 0 < main__scheme) && 1 <= main__c) || ((((((((((((((((((1 == __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && 0 == main__c) && !(0 == __VERIFIER_assert__cond)) && !(main__cp + 1 == main__urilen)) && 1 <= __VERIFIER_assert__cond) && 1 == __VERIFIER_assert__cond) && \old(__return_375) == __return_375) && !(0 == __VERIFIER_assert__cond)) && __VERIFIER_assert__cond == 1) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && main__cp < main__urilen) && main__c + 2 <= main__tokenlen) && !(0 == __VERIFIER_assert__cond)) && 1 <= main__cp) && 0 < main__scheme) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 91 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.4s, OverallIterations: 24, TraceHistogramMax: 2, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1391 SDtfs, 3904 SDslu, 423 SDs, 0 SdLazy, 2540 SolverSat, 208 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 425 GetRequests, 226 SyntacticMatches, 15 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 24 MinimizatonAttempts, 289 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 17 NumberOfFragments, 509 HoareAnnotationTreeSize, 9 FomulaSimplifications, 58018 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 11810 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 929 ConstructedInterpolants, 0 QuantifiedInterpolants, 81019 SizeOfPredicates, 19 NumberOfNonLiveVariables, 547 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 28 InterpolantComputations, 21 PerfectInterpolantSequences, 16/33 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...