/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 02:29:07,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 02:29:07,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 02:29:07,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 02:29:07,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 02:29:07,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 02:29:07,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 02:29:07,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 02:29:07,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 02:29:07,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 02:29:07,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 02:29:07,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 02:29:07,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 02:29:07,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 02:29:07,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 02:29:07,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 02:29:07,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 02:29:07,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 02:29:07,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 02:29:07,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 02:29:07,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 02:29:07,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 02:29:07,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 02:29:07,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 02:29:07,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 02:29:07,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 02:29:07,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 02:29:07,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 02:29:07,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 02:29:07,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 02:29:07,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 02:29:07,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 02:29:07,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 02:29:07,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 02:29:07,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 02:29:07,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 02:29:07,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 02:29:07,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 02:29:07,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 02:29:07,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 02:29:07,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 02:29:07,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 02:29:07,821 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 02:29:07,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 02:29:07,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 02:29:07,829 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 02:29:07,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 02:29:07,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 02:29:07,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 02:29:07,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 02:29:07,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 02:29:07,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 02:29:07,831 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 02:29:07,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 02:29:07,831 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 02:29:07,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 02:29:07,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 02:29:07,832 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 02:29:07,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 02:29:07,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 02:29:07,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 02:29:07,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 02:29:07,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 02:29:07,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 02:29:07,833 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-11 02:29:08,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 02:29:08,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 02:29:08,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 02:29:08,200 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 02:29:08,201 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 02:29:08,201 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-11 02:29:08,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c129e2ca3/276d19e9c09043919ae35221d8aefad1/FLAGcb7b6a5ff [2020-07-11 02:29:08,786 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 02:29:08,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-11 02:29:08,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c129e2ca3/276d19e9c09043919ae35221d8aefad1/FLAGcb7b6a5ff [2020-07-11 02:29:09,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c129e2ca3/276d19e9c09043919ae35221d8aefad1 [2020-07-11 02:29:09,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 02:29:09,142 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 02:29:09,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 02:29:09,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 02:29:09,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 02:29:09,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 02:29:09" (1/1) ... [2020-07-11 02:29:09,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a05ee65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:29:09, skipping insertion in model container [2020-07-11 02:29:09,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 02:29:09" (1/1) ... [2020-07-11 02:29:09,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 02:29:09,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 02:29:09,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 02:29:09,406 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 02:29:09,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 02:29:09,498 INFO L208 MainTranslator]: Completed translation [2020-07-11 02:29:09,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:29:09 WrapperNode [2020-07-11 02:29:09,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 02:29:09,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 02:29:09,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 02:29:09,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 02:29:09,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:29:09" (1/1) ... [2020-07-11 02:29:09,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:29:09" (1/1) ... [2020-07-11 02:29:09,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:29:09" (1/1) ... [2020-07-11 02:29:09,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:29:09" (1/1) ... [2020-07-11 02:29:09,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:29:09" (1/1) ... [2020-07-11 02:29:09,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:29:09" (1/1) ... [2020-07-11 02:29:09,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:29:09" (1/1) ... [2020-07-11 02:29:09,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 02:29:09,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 02:29:09,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 02:29:09,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 02:29:09,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:29:09" (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 [2020-07-11 02:29:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 02:29:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 02:29:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-11 02:29:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 02:29:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 02:29:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-11 02:29:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-11 02:29:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-11 02:29:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 02:29:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 02:29:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 02:29:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 02:29:10,369 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 02:29:10,370 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-11 02:29:10,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 02:29:10 BoogieIcfgContainer [2020-07-11 02:29:10,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 02:29:10,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 02:29:10,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 02:29:10,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 02:29:10,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 02:29:09" (1/3) ... [2020-07-11 02:29:10,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1ac8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 02:29:10, skipping insertion in model container [2020-07-11 02:29:10,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:29:09" (2/3) ... [2020-07-11 02:29:10,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1ac8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 02:29:10, skipping insertion in model container [2020-07-11 02:29:10,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 02:29:10" (3/3) ... [2020-07-11 02:29:10,387 INFO L109 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2020-07-11 02:29:10,399 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 02:29:10,408 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-07-11 02:29:10,425 INFO L251 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-07-11 02:29:10,454 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 02:29:10,454 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 02:29:10,454 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 02:29:10,455 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 02:29:10,455 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 02:29:10,455 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 02:29:10,455 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 02:29:10,456 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 02:29:10,480 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-07-11 02:29:10,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-11 02:29:10,494 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:29:10,495 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] [2020-07-11 02:29:10,496 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:29:10,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:29:10,504 INFO L82 PathProgramCache]: Analyzing trace with hash -2057699390, now seen corresponding path program 1 times [2020-07-11 02:29:10,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:29:10,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893278149] [2020-07-11 02:29:10,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:29:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:10,837 INFO L280 TraceCheckUtils]: 0: Hoare triple {190#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {181#true} is VALID [2020-07-11 02:29:10,838 INFO L280 TraceCheckUtils]: 1: Hoare triple {181#true} ~__return_334~0 := 0; {181#true} is VALID [2020-07-11 02:29:10,838 INFO L280 TraceCheckUtils]: 2: Hoare triple {181#true} assume true; {181#true} is VALID [2020-07-11 02:29:10,839 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {181#true} {181#true} #261#return; {181#true} is VALID [2020-07-11 02:29:10,843 INFO L263 TraceCheckUtils]: 0: Hoare triple {181#true} call ULTIMATE.init(); {190#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:29:10,843 INFO L280 TraceCheckUtils]: 1: Hoare triple {190#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {181#true} is VALID [2020-07-11 02:29:10,844 INFO L280 TraceCheckUtils]: 2: Hoare triple {181#true} ~__return_334~0 := 0; {181#true} is VALID [2020-07-11 02:29:10,844 INFO L280 TraceCheckUtils]: 3: Hoare triple {181#true} assume true; {181#true} is VALID [2020-07-11 02:29:10,845 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {181#true} {181#true} #261#return; {181#true} is VALID [2020-07-11 02:29:10,845 INFO L263 TraceCheckUtils]: 5: Hoare triple {181#true} call #t~ret3 := main(); {181#true} is VALID [2020-07-11 02:29:10,845 INFO L280 TraceCheckUtils]: 6: Hoare triple {181#true} havoc ~main__len~0; {181#true} is VALID [2020-07-11 02:29:10,846 INFO L280 TraceCheckUtils]: 7: Hoare triple {181#true} havoc ~main__i~0; {181#true} is VALID [2020-07-11 02:29:10,846 INFO L280 TraceCheckUtils]: 8: Hoare triple {181#true} havoc ~main__j~0; {181#true} is VALID [2020-07-11 02:29:10,847 INFO L280 TraceCheckUtils]: 9: Hoare triple {181#true} havoc ~main__bufsize~0; {181#true} is VALID [2020-07-11 02:29:10,847 INFO L280 TraceCheckUtils]: 10: Hoare triple {181#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {181#true} is VALID [2020-07-11 02:29:10,847 INFO L280 TraceCheckUtils]: 11: Hoare triple {181#true} ~main__bufsize~0 := #t~nondet0; {181#true} is VALID [2020-07-11 02:29:10,848 INFO L280 TraceCheckUtils]: 12: Hoare triple {181#true} havoc #t~nondet0; {181#true} is VALID [2020-07-11 02:29:10,848 INFO L280 TraceCheckUtils]: 13: Hoare triple {181#true} assume !(~main__bufsize~0 < 0); {181#true} is VALID [2020-07-11 02:29:10,849 INFO L280 TraceCheckUtils]: 14: Hoare triple {181#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {181#true} is VALID [2020-07-11 02:29:10,849 INFO L280 TraceCheckUtils]: 15: Hoare triple {181#true} ~main__len~0 := #t~nondet1; {181#true} is VALID [2020-07-11 02:29:10,849 INFO L280 TraceCheckUtils]: 16: Hoare triple {181#true} havoc #t~nondet1; {181#true} is VALID [2020-07-11 02:29:10,850 INFO L280 TraceCheckUtils]: 17: Hoare triple {181#true} ~main__limit~0 := ~main__bufsize~0 - 4; {181#true} is VALID [2020-07-11 02:29:10,850 INFO L280 TraceCheckUtils]: 18: Hoare triple {181#true} ~main__i~0 := 0; {181#true} is VALID [2020-07-11 02:29:10,852 INFO L280 TraceCheckUtils]: 19: Hoare triple {181#true} assume ~main__i~0 < ~main__len~0; {187#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:10,853 INFO L280 TraceCheckUtils]: 20: Hoare triple {187#(< main_~main__i~0 main_~main__len~0)} ~main__j~0 := 0; {187#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:10,854 INFO L280 TraceCheckUtils]: 21: Hoare triple {187#(< main_~main__i~0 main_~main__len~0)} assume ~main__i~0 < ~main__len~0; {187#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:10,855 INFO L280 TraceCheckUtils]: 22: Hoare triple {187#(< main_~main__i~0 main_~main__len~0)} assume ~main__j~0 < ~main__limit~0; {187#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:10,856 INFO L280 TraceCheckUtils]: 23: Hoare triple {187#(< main_~main__i~0 main_~main__len~0)} assume !(1 + ~main__i~0 < ~main__len~0); {187#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:10,857 INFO L280 TraceCheckUtils]: 24: Hoare triple {187#(< main_~main__i~0 main_~main__len~0)} havoc ~__tmp_3~0; {187#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:10,858 INFO L280 TraceCheckUtils]: 25: Hoare triple {187#(< main_~main__i~0 main_~main__len~0)} ~__tmp_3~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {188#(not (= 0 main_~__tmp_3~0))} is VALID [2020-07-11 02:29:10,859 INFO L280 TraceCheckUtils]: 26: Hoare triple {188#(not (= 0 main_~__tmp_3~0))} havoc ~__VERIFIER_assert__cond~2; {188#(not (= 0 main_~__tmp_3~0))} is VALID [2020-07-11 02:29:10,861 INFO L280 TraceCheckUtils]: 27: Hoare triple {188#(not (= 0 main_~__tmp_3~0))} ~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {189#(not (= 0 main_~__VERIFIER_assert__cond~2))} is VALID [2020-07-11 02:29:10,862 INFO L280 TraceCheckUtils]: 28: Hoare triple {189#(not (= 0 main_~__VERIFIER_assert__cond~2))} assume 0 == ~__VERIFIER_assert__cond~2; {182#false} is VALID [2020-07-11 02:29:10,863 INFO L280 TraceCheckUtils]: 29: Hoare triple {182#false} assume !false; {182#false} is VALID [2020-07-11 02:29:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:29:10,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893278149] [2020-07-11 02:29:10,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:29:10,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-11 02:29:10,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936664146] [2020-07-11 02:29:10,879 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-11 02:29:10,883 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:29:10,887 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-11 02:29:10,935 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:10,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-11 02:29:10,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:29:10,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-11 02:29:10,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-11 02:29:10,960 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 6 states. [2020-07-11 02:29:13,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:13,526 INFO L93 Difference]: Finished difference Result 435 states and 497 transitions. [2020-07-11 02:29:13,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-11 02:29:13,527 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-11 02:29:13,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:29:13,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:13,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 497 transitions. [2020-07-11 02:29:13,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:13,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 497 transitions. [2020-07-11 02:29:13,564 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 497 transitions. [2020-07-11 02:29:14,139 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 497 edges. 497 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:14,168 INFO L225 Difference]: With dead ends: 435 [2020-07-11 02:29:14,168 INFO L226 Difference]: Without dead ends: 264 [2020-07-11 02:29:14,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-07-11 02:29:14,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-11 02:29:14,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 154. [2020-07-11 02:29:14,677 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:29:14,680 INFO L82 GeneralOperation]: Start isEquivalent. First operand 264 states. Second operand 154 states. [2020-07-11 02:29:14,680 INFO L74 IsIncluded]: Start isIncluded. First operand 264 states. Second operand 154 states. [2020-07-11 02:29:14,681 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 154 states. [2020-07-11 02:29:14,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:14,709 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2020-07-11 02:29:14,710 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 272 transitions. [2020-07-11 02:29:14,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:14,722 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:14,722 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 264 states. [2020-07-11 02:29:14,722 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 264 states. [2020-07-11 02:29:14,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:14,748 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2020-07-11 02:29:14,748 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 272 transitions. [2020-07-11 02:29:14,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:14,751 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:14,752 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:29:14,752 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:29:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-11 02:29:14,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2020-07-11 02:29:14,765 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 30 [2020-07-11 02:29:14,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:29:14,765 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2020-07-11 02:29:14,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-11 02:29:14,765 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 158 transitions. [2020-07-11 02:29:15,001 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 158 edges. 158 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2020-07-11 02:29:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-11 02:29:15,003 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:29:15,003 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] [2020-07-11 02:29:15,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 02:29:15,004 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:29:15,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:29:15,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1575143415, now seen corresponding path program 1 times [2020-07-11 02:29:15,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:29:15,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [166346440] [2020-07-11 02:29:15,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:29:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:15,112 INFO L280 TraceCheckUtils]: 0: Hoare triple {1920#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {1911#true} is VALID [2020-07-11 02:29:15,112 INFO L280 TraceCheckUtils]: 1: Hoare triple {1911#true} ~__return_334~0 := 0; {1911#true} is VALID [2020-07-11 02:29:15,112 INFO L280 TraceCheckUtils]: 2: Hoare triple {1911#true} assume true; {1911#true} is VALID [2020-07-11 02:29:15,113 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1911#true} {1911#true} #261#return; {1911#true} is VALID [2020-07-11 02:29:15,114 INFO L263 TraceCheckUtils]: 0: Hoare triple {1911#true} call ULTIMATE.init(); {1920#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:29:15,114 INFO L280 TraceCheckUtils]: 1: Hoare triple {1920#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {1911#true} is VALID [2020-07-11 02:29:15,114 INFO L280 TraceCheckUtils]: 2: Hoare triple {1911#true} ~__return_334~0 := 0; {1911#true} is VALID [2020-07-11 02:29:15,114 INFO L280 TraceCheckUtils]: 3: Hoare triple {1911#true} assume true; {1911#true} is VALID [2020-07-11 02:29:15,115 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1911#true} {1911#true} #261#return; {1911#true} is VALID [2020-07-11 02:29:15,115 INFO L263 TraceCheckUtils]: 5: Hoare triple {1911#true} call #t~ret3 := main(); {1911#true} is VALID [2020-07-11 02:29:15,115 INFO L280 TraceCheckUtils]: 6: Hoare triple {1911#true} havoc ~main__len~0; {1911#true} is VALID [2020-07-11 02:29:15,116 INFO L280 TraceCheckUtils]: 7: Hoare triple {1911#true} havoc ~main__i~0; {1911#true} is VALID [2020-07-11 02:29:15,116 INFO L280 TraceCheckUtils]: 8: Hoare triple {1911#true} havoc ~main__j~0; {1911#true} is VALID [2020-07-11 02:29:15,116 INFO L280 TraceCheckUtils]: 9: Hoare triple {1911#true} havoc ~main__bufsize~0; {1911#true} is VALID [2020-07-11 02:29:15,117 INFO L280 TraceCheckUtils]: 10: Hoare triple {1911#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1911#true} is VALID [2020-07-11 02:29:15,117 INFO L280 TraceCheckUtils]: 11: Hoare triple {1911#true} ~main__bufsize~0 := #t~nondet0; {1911#true} is VALID [2020-07-11 02:29:15,117 INFO L280 TraceCheckUtils]: 12: Hoare triple {1911#true} havoc #t~nondet0; {1911#true} is VALID [2020-07-11 02:29:15,117 INFO L280 TraceCheckUtils]: 13: Hoare triple {1911#true} assume !(~main__bufsize~0 < 0); {1911#true} is VALID [2020-07-11 02:29:15,118 INFO L280 TraceCheckUtils]: 14: Hoare triple {1911#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1911#true} is VALID [2020-07-11 02:29:15,118 INFO L280 TraceCheckUtils]: 15: Hoare triple {1911#true} ~main__len~0 := #t~nondet1; {1911#true} is VALID [2020-07-11 02:29:15,118 INFO L280 TraceCheckUtils]: 16: Hoare triple {1911#true} havoc #t~nondet1; {1911#true} is VALID [2020-07-11 02:29:15,119 INFO L280 TraceCheckUtils]: 17: Hoare triple {1911#true} ~main__limit~0 := ~main__bufsize~0 - 4; {1911#true} is VALID [2020-07-11 02:29:15,119 INFO L280 TraceCheckUtils]: 18: Hoare triple {1911#true} ~main__i~0 := 0; {1911#true} is VALID [2020-07-11 02:29:15,119 INFO L280 TraceCheckUtils]: 19: Hoare triple {1911#true} assume ~main__i~0 < ~main__len~0; {1911#true} is VALID [2020-07-11 02:29:15,119 INFO L280 TraceCheckUtils]: 20: Hoare triple {1911#true} ~main__j~0 := 0; {1911#true} is VALID [2020-07-11 02:29:15,120 INFO L280 TraceCheckUtils]: 21: Hoare triple {1911#true} assume ~main__i~0 < ~main__len~0; {1911#true} is VALID [2020-07-11 02:29:15,120 INFO L280 TraceCheckUtils]: 22: Hoare triple {1911#true} assume ~main__j~0 < ~main__limit~0; {1911#true} is VALID [2020-07-11 02:29:15,122 INFO L280 TraceCheckUtils]: 23: Hoare triple {1911#true} assume 1 + ~main__i~0 < ~main__len~0; {1917#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-11 02:29:15,124 INFO L280 TraceCheckUtils]: 24: Hoare triple {1917#(< (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__tmp_1~0; {1917#(< (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-11 02:29:15,127 INFO L280 TraceCheckUtils]: 25: Hoare triple {1917#(< (+ main_~main__i~0 1) main_~main__len~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {1918#(not (= 0 main_~__tmp_1~0))} is VALID [2020-07-11 02:29:15,128 INFO L280 TraceCheckUtils]: 26: Hoare triple {1918#(not (= 0 main_~__tmp_1~0))} havoc ~__VERIFIER_assert__cond~0; {1918#(not (= 0 main_~__tmp_1~0))} is VALID [2020-07-11 02:29:15,129 INFO L280 TraceCheckUtils]: 27: Hoare triple {1918#(not (= 0 main_~__tmp_1~0))} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {1919#(not (= 0 main_~__VERIFIER_assert__cond~0))} is VALID [2020-07-11 02:29:15,130 INFO L280 TraceCheckUtils]: 28: Hoare triple {1919#(not (= 0 main_~__VERIFIER_assert__cond~0))} assume 0 == ~__VERIFIER_assert__cond~0; {1912#false} is VALID [2020-07-11 02:29:15,131 INFO L280 TraceCheckUtils]: 29: Hoare triple {1912#false} assume !false; {1912#false} is VALID [2020-07-11 02:29:15,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:29:15,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [166346440] [2020-07-11 02:29:15,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:29:15,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-11 02:29:15,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677204692] [2020-07-11 02:29:15,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-11 02:29:15,135 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:29:15,135 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-11 02:29:15,163 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:15,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-11 02:29:15,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:29:15,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-11 02:29:15,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-11 02:29:15,165 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 6 states. [2020-07-11 02:29:17,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:17,002 INFO L93 Difference]: Finished difference Result 223 states and 230 transitions. [2020-07-11 02:29:17,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-11 02:29:17,002 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-11 02:29:17,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:29:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:17,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-11 02:29:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:17,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-11 02:29:17,012 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 228 transitions. [2020-07-11 02:29:17,302 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 228 edges. 228 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:17,310 INFO L225 Difference]: With dead ends: 223 [2020-07-11 02:29:17,310 INFO L226 Difference]: Without dead ends: 221 [2020-07-11 02:29:17,312 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 [2020-07-11 02:29:17,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-11 02:29:17,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 152. [2020-07-11 02:29:17,834 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:29:17,834 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 152 states. [2020-07-11 02:29:17,834 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 152 states. [2020-07-11 02:29:17,834 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 152 states. [2020-07-11 02:29:17,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:17,842 INFO L93 Difference]: Finished difference Result 221 states and 228 transitions. [2020-07-11 02:29:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 228 transitions. [2020-07-11 02:29:17,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:17,843 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:17,843 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 221 states. [2020-07-11 02:29:17,843 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 221 states. [2020-07-11 02:29:17,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:17,852 INFO L93 Difference]: Finished difference Result 221 states and 228 transitions. [2020-07-11 02:29:17,852 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 228 transitions. [2020-07-11 02:29:17,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:17,853 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:17,853 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:29:17,853 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:29:17,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-11 02:29:17,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2020-07-11 02:29:17,858 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 30 [2020-07-11 02:29:17,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:29:17,859 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2020-07-11 02:29:17,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-11 02:29:17,859 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 152 states and 156 transitions. [2020-07-11 02:29:18,152 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2020-07-11 02:29:18,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-11 02:29:18,154 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:29:18,154 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] [2020-07-11 02:29:18,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 02:29:18,155 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:29:18,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:29:18,155 INFO L82 PathProgramCache]: Analyzing trace with hash 949374873, now seen corresponding path program 1 times [2020-07-11 02:29:18,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:29:18,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438143030] [2020-07-11 02:29:18,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:29:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:18,283 INFO L280 TraceCheckUtils]: 0: Hoare triple {3135#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {3126#true} is VALID [2020-07-11 02:29:18,284 INFO L280 TraceCheckUtils]: 1: Hoare triple {3126#true} ~__return_334~0 := 0; {3126#true} is VALID [2020-07-11 02:29:18,284 INFO L280 TraceCheckUtils]: 2: Hoare triple {3126#true} assume true; {3126#true} is VALID [2020-07-11 02:29:18,284 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3126#true} {3126#true} #261#return; {3126#true} is VALID [2020-07-11 02:29:18,285 INFO L263 TraceCheckUtils]: 0: Hoare triple {3126#true} call ULTIMATE.init(); {3135#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:29:18,285 INFO L280 TraceCheckUtils]: 1: Hoare triple {3135#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {3126#true} is VALID [2020-07-11 02:29:18,286 INFO L280 TraceCheckUtils]: 2: Hoare triple {3126#true} ~__return_334~0 := 0; {3126#true} is VALID [2020-07-11 02:29:18,286 INFO L280 TraceCheckUtils]: 3: Hoare triple {3126#true} assume true; {3126#true} is VALID [2020-07-11 02:29:18,286 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3126#true} {3126#true} #261#return; {3126#true} is VALID [2020-07-11 02:29:18,286 INFO L263 TraceCheckUtils]: 5: Hoare triple {3126#true} call #t~ret3 := main(); {3126#true} is VALID [2020-07-11 02:29:18,287 INFO L280 TraceCheckUtils]: 6: Hoare triple {3126#true} havoc ~main__len~0; {3126#true} is VALID [2020-07-11 02:29:18,287 INFO L280 TraceCheckUtils]: 7: Hoare triple {3126#true} havoc ~main__i~0; {3126#true} is VALID [2020-07-11 02:29:18,287 INFO L280 TraceCheckUtils]: 8: Hoare triple {3126#true} havoc ~main__j~0; {3126#true} is VALID [2020-07-11 02:29:18,287 INFO L280 TraceCheckUtils]: 9: Hoare triple {3126#true} havoc ~main__bufsize~0; {3126#true} is VALID [2020-07-11 02:29:18,287 INFO L280 TraceCheckUtils]: 10: Hoare triple {3126#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {3126#true} is VALID [2020-07-11 02:29:18,288 INFO L280 TraceCheckUtils]: 11: Hoare triple {3126#true} ~main__bufsize~0 := #t~nondet0; {3126#true} is VALID [2020-07-11 02:29:18,288 INFO L280 TraceCheckUtils]: 12: Hoare triple {3126#true} havoc #t~nondet0; {3126#true} is VALID [2020-07-11 02:29:18,288 INFO L280 TraceCheckUtils]: 13: Hoare triple {3126#true} assume !(~main__bufsize~0 < 0); {3126#true} is VALID [2020-07-11 02:29:18,288 INFO L280 TraceCheckUtils]: 14: Hoare triple {3126#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {3126#true} is VALID [2020-07-11 02:29:18,289 INFO L280 TraceCheckUtils]: 15: Hoare triple {3126#true} ~main__len~0 := #t~nondet1; {3126#true} is VALID [2020-07-11 02:29:18,289 INFO L280 TraceCheckUtils]: 16: Hoare triple {3126#true} havoc #t~nondet1; {3126#true} is VALID [2020-07-11 02:29:18,289 INFO L280 TraceCheckUtils]: 17: Hoare triple {3126#true} ~main__limit~0 := ~main__bufsize~0 - 4; {3126#true} is VALID [2020-07-11 02:29:18,293 INFO L280 TraceCheckUtils]: 18: Hoare triple {3126#true} ~main__i~0 := 0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:18,300 INFO L280 TraceCheckUtils]: 19: Hoare triple {3132#(<= 0 main_~main__i~0)} assume ~main__i~0 < ~main__len~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:18,313 INFO L280 TraceCheckUtils]: 20: Hoare triple {3132#(<= 0 main_~main__i~0)} ~main__j~0 := 0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:18,315 INFO L280 TraceCheckUtils]: 21: Hoare triple {3132#(<= 0 main_~main__i~0)} assume ~main__i~0 < ~main__len~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:18,315 INFO L280 TraceCheckUtils]: 22: Hoare triple {3132#(<= 0 main_~main__i~0)} assume ~main__j~0 < ~main__limit~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:18,316 INFO L280 TraceCheckUtils]: 23: Hoare triple {3132#(<= 0 main_~main__i~0)} assume !(1 + ~main__i~0 < ~main__len~0); {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:18,316 INFO L280 TraceCheckUtils]: 24: Hoare triple {3132#(<= 0 main_~main__i~0)} havoc ~__tmp_3~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:18,317 INFO L280 TraceCheckUtils]: 25: Hoare triple {3132#(<= 0 main_~main__i~0)} ~__tmp_3~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:18,318 INFO L280 TraceCheckUtils]: 26: Hoare triple {3132#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~2; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:18,319 INFO L280 TraceCheckUtils]: 27: Hoare triple {3132#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:18,320 INFO L280 TraceCheckUtils]: 28: Hoare triple {3132#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~2); {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:18,321 INFO L280 TraceCheckUtils]: 29: Hoare triple {3132#(<= 0 main_~main__i~0)} havoc ~__tmp_4~0; {3132#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:18,321 INFO L280 TraceCheckUtils]: 30: Hoare triple {3132#(<= 0 main_~main__i~0)} ~__tmp_4~0 := (if 0 <= ~main__i~0 then 1 else 0); {3133#(not (= 0 main_~__tmp_4~0))} is VALID [2020-07-11 02:29:18,322 INFO L280 TraceCheckUtils]: 31: Hoare triple {3133#(not (= 0 main_~__tmp_4~0))} havoc ~__VERIFIER_assert__cond~3; {3133#(not (= 0 main_~__tmp_4~0))} is VALID [2020-07-11 02:29:18,322 INFO L280 TraceCheckUtils]: 32: Hoare triple {3133#(not (= 0 main_~__tmp_4~0))} ~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {3134#(not (= 0 main_~__VERIFIER_assert__cond~3))} is VALID [2020-07-11 02:29:18,324 INFO L280 TraceCheckUtils]: 33: Hoare triple {3134#(not (= 0 main_~__VERIFIER_assert__cond~3))} assume 0 == ~__VERIFIER_assert__cond~3; {3127#false} is VALID [2020-07-11 02:29:18,324 INFO L280 TraceCheckUtils]: 34: Hoare triple {3127#false} assume !false; {3127#false} is VALID [2020-07-11 02:29:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:29:18,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438143030] [2020-07-11 02:29:18,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:29:18,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-11 02:29:18,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446317289] [2020-07-11 02:29:18,328 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-11 02:29:18,328 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:29:18,328 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-11 02:29:18,364 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:18,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-11 02:29:18,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:29:18,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-11 02:29:18,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-11 02:29:18,365 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 6 states. [2020-07-11 02:29:20,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:20,626 INFO L93 Difference]: Finished difference Result 263 states and 271 transitions. [2020-07-11 02:29:20,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-11 02:29:20,626 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-11 02:29:20,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:29:20,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2020-07-11 02:29:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2020-07-11 02:29:20,634 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 269 transitions. [2020-07-11 02:29:20,988 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 269 edges. 269 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:20,995 INFO L225 Difference]: With dead ends: 263 [2020-07-11 02:29:20,995 INFO L226 Difference]: Without dead ends: 261 [2020-07-11 02:29:20,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-11 02:29:20,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-07-11 02:29:21,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 150. [2020-07-11 02:29:21,693 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:29:21,693 INFO L82 GeneralOperation]: Start isEquivalent. First operand 261 states. Second operand 150 states. [2020-07-11 02:29:21,694 INFO L74 IsIncluded]: Start isIncluded. First operand 261 states. Second operand 150 states. [2020-07-11 02:29:21,694 INFO L87 Difference]: Start difference. First operand 261 states. Second operand 150 states. [2020-07-11 02:29:21,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:21,704 INFO L93 Difference]: Finished difference Result 261 states and 269 transitions. [2020-07-11 02:29:21,704 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 269 transitions. [2020-07-11 02:29:21,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:21,705 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:21,705 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 261 states. [2020-07-11 02:29:21,705 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 261 states. [2020-07-11 02:29:21,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:21,714 INFO L93 Difference]: Finished difference Result 261 states and 269 transitions. [2020-07-11 02:29:21,715 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 269 transitions. [2020-07-11 02:29:21,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:21,716 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:21,716 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:29:21,716 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:29:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-11 02:29:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2020-07-11 02:29:21,721 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 35 [2020-07-11 02:29:21,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:29:21,721 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2020-07-11 02:29:21,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-11 02:29:21,722 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 150 states and 154 transitions. [2020-07-11 02:29:22,058 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2020-07-11 02:29:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-11 02:29:22,059 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:29:22,060 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] [2020-07-11 02:29:22,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-11 02:29:22,060 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:29:22,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:29:22,061 INFO L82 PathProgramCache]: Analyzing trace with hash 386303974, now seen corresponding path program 1 times [2020-07-11 02:29:22,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:29:22,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1083563274] [2020-07-11 02:29:22,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:29:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:22,157 INFO L280 TraceCheckUtils]: 0: Hoare triple {4503#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {4494#true} is VALID [2020-07-11 02:29:22,158 INFO L280 TraceCheckUtils]: 1: Hoare triple {4494#true} ~__return_334~0 := 0; {4494#true} is VALID [2020-07-11 02:29:22,158 INFO L280 TraceCheckUtils]: 2: Hoare triple {4494#true} assume true; {4494#true} is VALID [2020-07-11 02:29:22,158 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4494#true} {4494#true} #261#return; {4494#true} is VALID [2020-07-11 02:29:22,159 INFO L263 TraceCheckUtils]: 0: Hoare triple {4494#true} call ULTIMATE.init(); {4503#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:29:22,159 INFO L280 TraceCheckUtils]: 1: Hoare triple {4503#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {4494#true} is VALID [2020-07-11 02:29:22,159 INFO L280 TraceCheckUtils]: 2: Hoare triple {4494#true} ~__return_334~0 := 0; {4494#true} is VALID [2020-07-11 02:29:22,159 INFO L280 TraceCheckUtils]: 3: Hoare triple {4494#true} assume true; {4494#true} is VALID [2020-07-11 02:29:22,160 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4494#true} {4494#true} #261#return; {4494#true} is VALID [2020-07-11 02:29:22,160 INFO L263 TraceCheckUtils]: 5: Hoare triple {4494#true} call #t~ret3 := main(); {4494#true} is VALID [2020-07-11 02:29:22,160 INFO L280 TraceCheckUtils]: 6: Hoare triple {4494#true} havoc ~main__len~0; {4494#true} is VALID [2020-07-11 02:29:22,160 INFO L280 TraceCheckUtils]: 7: Hoare triple {4494#true} havoc ~main__i~0; {4494#true} is VALID [2020-07-11 02:29:22,160 INFO L280 TraceCheckUtils]: 8: Hoare triple {4494#true} havoc ~main__j~0; {4494#true} is VALID [2020-07-11 02:29:22,161 INFO L280 TraceCheckUtils]: 9: Hoare triple {4494#true} havoc ~main__bufsize~0; {4494#true} is VALID [2020-07-11 02:29:22,161 INFO L280 TraceCheckUtils]: 10: Hoare triple {4494#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {4494#true} is VALID [2020-07-11 02:29:22,161 INFO L280 TraceCheckUtils]: 11: Hoare triple {4494#true} ~main__bufsize~0 := #t~nondet0; {4494#true} is VALID [2020-07-11 02:29:22,161 INFO L280 TraceCheckUtils]: 12: Hoare triple {4494#true} havoc #t~nondet0; {4494#true} is VALID [2020-07-11 02:29:22,161 INFO L280 TraceCheckUtils]: 13: Hoare triple {4494#true} assume !(~main__bufsize~0 < 0); {4494#true} is VALID [2020-07-11 02:29:22,162 INFO L280 TraceCheckUtils]: 14: Hoare triple {4494#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4494#true} is VALID [2020-07-11 02:29:22,162 INFO L280 TraceCheckUtils]: 15: Hoare triple {4494#true} ~main__len~0 := #t~nondet1; {4494#true} is VALID [2020-07-11 02:29:22,162 INFO L280 TraceCheckUtils]: 16: Hoare triple {4494#true} havoc #t~nondet1; {4494#true} is VALID [2020-07-11 02:29:22,163 INFO L280 TraceCheckUtils]: 17: Hoare triple {4494#true} ~main__limit~0 := ~main__bufsize~0 - 4; {4494#true} is VALID [2020-07-11 02:29:22,171 INFO L280 TraceCheckUtils]: 18: Hoare triple {4494#true} ~main__i~0 := 0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:22,172 INFO L280 TraceCheckUtils]: 19: Hoare triple {4500#(<= 0 main_~main__i~0)} assume ~main__i~0 < ~main__len~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:22,174 INFO L280 TraceCheckUtils]: 20: Hoare triple {4500#(<= 0 main_~main__i~0)} ~main__j~0 := 0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:22,175 INFO L280 TraceCheckUtils]: 21: Hoare triple {4500#(<= 0 main_~main__i~0)} assume ~main__i~0 < ~main__len~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:22,175 INFO L280 TraceCheckUtils]: 22: Hoare triple {4500#(<= 0 main_~main__i~0)} assume ~main__j~0 < ~main__limit~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:22,176 INFO L280 TraceCheckUtils]: 23: Hoare triple {4500#(<= 0 main_~main__i~0)} assume 1 + ~main__i~0 < ~main__len~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:22,176 INFO L280 TraceCheckUtils]: 24: Hoare triple {4500#(<= 0 main_~main__i~0)} havoc ~__tmp_1~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:22,176 INFO L280 TraceCheckUtils]: 25: Hoare triple {4500#(<= 0 main_~main__i~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:22,177 INFO L280 TraceCheckUtils]: 26: Hoare triple {4500#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:22,178 INFO L280 TraceCheckUtils]: 27: Hoare triple {4500#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:22,178 INFO L280 TraceCheckUtils]: 28: Hoare triple {4500#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:22,179 INFO L280 TraceCheckUtils]: 29: Hoare triple {4500#(<= 0 main_~main__i~0)} havoc ~__tmp_2~0; {4500#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:22,179 INFO L280 TraceCheckUtils]: 30: Hoare triple {4500#(<= 0 main_~main__i~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {4501#(not (= 0 main_~__tmp_2~0))} is VALID [2020-07-11 02:29:22,180 INFO L280 TraceCheckUtils]: 31: Hoare triple {4501#(not (= 0 main_~__tmp_2~0))} havoc ~__VERIFIER_assert__cond~1; {4501#(not (= 0 main_~__tmp_2~0))} is VALID [2020-07-11 02:29:22,180 INFO L280 TraceCheckUtils]: 32: Hoare triple {4501#(not (= 0 main_~__tmp_2~0))} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4502#(not (= 0 main_~__VERIFIER_assert__cond~1))} is VALID [2020-07-11 02:29:22,180 INFO L280 TraceCheckUtils]: 33: Hoare triple {4502#(not (= 0 main_~__VERIFIER_assert__cond~1))} assume 0 == ~__VERIFIER_assert__cond~1; {4495#false} is VALID [2020-07-11 02:29:22,181 INFO L280 TraceCheckUtils]: 34: Hoare triple {4495#false} assume !false; {4495#false} is VALID [2020-07-11 02:29:22,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:29:22,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1083563274] [2020-07-11 02:29:22,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:29:22,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-11 02:29:22,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615597829] [2020-07-11 02:29:22,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-11 02:29:22,193 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:29:22,193 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-11 02:29:22,224 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:22,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-11 02:29:22,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:29:22,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-11 02:29:22,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-11 02:29:22,225 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 6 states. [2020-07-11 02:29:23,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:23,886 INFO L93 Difference]: Finished difference Result 192 states and 199 transitions. [2020-07-11 02:29:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-11 02:29:23,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-11 02:29:23,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:29:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:23,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2020-07-11 02:29:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:23,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 197 transitions. [2020-07-11 02:29:23,892 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 197 transitions. [2020-07-11 02:29:24,153 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 197 edges. 197 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:24,159 INFO L225 Difference]: With dead ends: 192 [2020-07-11 02:29:24,159 INFO L226 Difference]: Without dead ends: 190 [2020-07-11 02:29:24,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-11 02:29:24,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-07-11 02:29:24,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 148. [2020-07-11 02:29:24,968 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:29:24,968 INFO L82 GeneralOperation]: Start isEquivalent. First operand 190 states. Second operand 148 states. [2020-07-11 02:29:24,969 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 148 states. [2020-07-11 02:29:24,969 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 148 states. [2020-07-11 02:29:24,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:24,975 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2020-07-11 02:29:24,975 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2020-07-11 02:29:24,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:24,975 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:24,976 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand 190 states. [2020-07-11 02:29:24,976 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 190 states. [2020-07-11 02:29:24,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:24,982 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2020-07-11 02:29:24,982 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2020-07-11 02:29:24,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:24,983 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:24,983 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:29:24,983 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:29:24,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-11 02:29:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2020-07-11 02:29:24,988 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 35 [2020-07-11 02:29:24,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:29:24,988 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2020-07-11 02:29:24,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-11 02:29:24,989 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 148 states and 152 transitions. [2020-07-11 02:29:25,310 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:25,311 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2020-07-11 02:29:25,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-11 02:29:25,312 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:29:25,312 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] [2020-07-11 02:29:25,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-11 02:29:25,313 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:29:25,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:29:25,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1765112685, now seen corresponding path program 1 times [2020-07-11 02:29:25,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:29:25,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7275319] [2020-07-11 02:29:25,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:29:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:25,459 INFO L280 TraceCheckUtils]: 0: Hoare triple {5584#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {5574#true} is VALID [2020-07-11 02:29:25,459 INFO L280 TraceCheckUtils]: 1: Hoare triple {5574#true} ~__return_334~0 := 0; {5574#true} is VALID [2020-07-11 02:29:25,460 INFO L280 TraceCheckUtils]: 2: Hoare triple {5574#true} assume true; {5574#true} is VALID [2020-07-11 02:29:25,460 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {5574#true} {5574#true} #261#return; {5574#true} is VALID [2020-07-11 02:29:25,462 INFO L263 TraceCheckUtils]: 0: Hoare triple {5574#true} call ULTIMATE.init(); {5584#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:29:25,462 INFO L280 TraceCheckUtils]: 1: Hoare triple {5584#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {5574#true} is VALID [2020-07-11 02:29:25,462 INFO L280 TraceCheckUtils]: 2: Hoare triple {5574#true} ~__return_334~0 := 0; {5574#true} is VALID [2020-07-11 02:29:25,463 INFO L280 TraceCheckUtils]: 3: Hoare triple {5574#true} assume true; {5574#true} is VALID [2020-07-11 02:29:25,463 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5574#true} {5574#true} #261#return; {5574#true} is VALID [2020-07-11 02:29:25,463 INFO L263 TraceCheckUtils]: 5: Hoare triple {5574#true} call #t~ret3 := main(); {5574#true} is VALID [2020-07-11 02:29:25,463 INFO L280 TraceCheckUtils]: 6: Hoare triple {5574#true} havoc ~main__len~0; {5574#true} is VALID [2020-07-11 02:29:25,463 INFO L280 TraceCheckUtils]: 7: Hoare triple {5574#true} havoc ~main__i~0; {5574#true} is VALID [2020-07-11 02:29:25,464 INFO L280 TraceCheckUtils]: 8: Hoare triple {5574#true} havoc ~main__j~0; {5574#true} is VALID [2020-07-11 02:29:25,464 INFO L280 TraceCheckUtils]: 9: Hoare triple {5574#true} havoc ~main__bufsize~0; {5574#true} is VALID [2020-07-11 02:29:25,464 INFO L280 TraceCheckUtils]: 10: Hoare triple {5574#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {5574#true} is VALID [2020-07-11 02:29:25,464 INFO L280 TraceCheckUtils]: 11: Hoare triple {5574#true} ~main__bufsize~0 := #t~nondet0; {5574#true} is VALID [2020-07-11 02:29:25,465 INFO L280 TraceCheckUtils]: 12: Hoare triple {5574#true} havoc #t~nondet0; {5574#true} is VALID [2020-07-11 02:29:25,465 INFO L280 TraceCheckUtils]: 13: Hoare triple {5574#true} assume !(~main__bufsize~0 < 0); {5574#true} is VALID [2020-07-11 02:29:25,465 INFO L280 TraceCheckUtils]: 14: Hoare triple {5574#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {5574#true} is VALID [2020-07-11 02:29:25,465 INFO L280 TraceCheckUtils]: 15: Hoare triple {5574#true} ~main__len~0 := #t~nondet1; {5574#true} is VALID [2020-07-11 02:29:25,465 INFO L280 TraceCheckUtils]: 16: Hoare triple {5574#true} havoc #t~nondet1; {5574#true} is VALID [2020-07-11 02:29:25,469 INFO L280 TraceCheckUtils]: 17: Hoare triple {5574#true} ~main__limit~0 := ~main__bufsize~0 - 4; {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,469 INFO L280 TraceCheckUtils]: 18: Hoare triple {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__i~0 := 0; {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,470 INFO L280 TraceCheckUtils]: 19: Hoare triple {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,470 INFO L280 TraceCheckUtils]: 20: Hoare triple {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__j~0 := 0; {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,470 INFO L280 TraceCheckUtils]: 21: Hoare triple {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,471 INFO L280 TraceCheckUtils]: 22: Hoare triple {5580#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__j~0 < ~main__limit~0; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,472 INFO L280 TraceCheckUtils]: 23: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(1 + ~main__i~0 < ~main__len~0); {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,472 INFO L280 TraceCheckUtils]: 24: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_3~0; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,478 INFO L280 TraceCheckUtils]: 25: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_3~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,479 INFO L280 TraceCheckUtils]: 26: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~2; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,480 INFO L280 TraceCheckUtils]: 27: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,480 INFO L280 TraceCheckUtils]: 28: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~2); {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,481 INFO L280 TraceCheckUtils]: 29: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_4~0; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,481 INFO L280 TraceCheckUtils]: 30: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_4~0 := (if 0 <= ~main__i~0 then 1 else 0); {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,481 INFO L280 TraceCheckUtils]: 31: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~3; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,482 INFO L280 TraceCheckUtils]: 32: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,482 INFO L280 TraceCheckUtils]: 33: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,483 INFO L280 TraceCheckUtils]: 34: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_5~0; {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:25,483 INFO L280 TraceCheckUtils]: 35: Hoare triple {5581#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_5~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {5582#(not (= 0 main_~__tmp_5~0))} is VALID [2020-07-11 02:29:25,484 INFO L280 TraceCheckUtils]: 36: Hoare triple {5582#(not (= 0 main_~__tmp_5~0))} havoc ~__VERIFIER_assert__cond~4; {5582#(not (= 0 main_~__tmp_5~0))} is VALID [2020-07-11 02:29:25,485 INFO L280 TraceCheckUtils]: 37: Hoare triple {5582#(not (= 0 main_~__tmp_5~0))} ~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {5583#(not (= 0 main_~__VERIFIER_assert__cond~4))} is VALID [2020-07-11 02:29:25,485 INFO L280 TraceCheckUtils]: 38: Hoare triple {5583#(not (= 0 main_~__VERIFIER_assert__cond~4))} assume 0 == ~__VERIFIER_assert__cond~4; {5575#false} is VALID [2020-07-11 02:29:25,485 INFO L280 TraceCheckUtils]: 39: Hoare triple {5575#false} assume !false; {5575#false} is VALID [2020-07-11 02:29:25,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:29:25,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7275319] [2020-07-11 02:29:25,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:29:25,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-11 02:29:25,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051130772] [2020-07-11 02:29:25,490 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-07-11 02:29:25,490 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:29:25,491 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 02:29:25,530 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:25,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 02:29:25,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:29:25,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 02:29:25,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-11 02:29:25,531 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand 7 states. [2020-07-11 02:29:28,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:28,728 INFO L93 Difference]: Finished difference Result 262 states and 270 transitions. [2020-07-11 02:29:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-11 02:29:28,729 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-07-11 02:29:28,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:29:28,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 02:29:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 268 transitions. [2020-07-11 02:29:28,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 02:29:28,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 268 transitions. [2020-07-11 02:29:28,736 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 268 transitions. [2020-07-11 02:29:29,117 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 268 edges. 268 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:29,123 INFO L225 Difference]: With dead ends: 262 [2020-07-11 02:29:29,123 INFO L226 Difference]: Without dead ends: 260 [2020-07-11 02:29:29,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-07-11 02:29:29,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-07-11 02:29:30,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 146. [2020-07-11 02:29:30,052 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:29:30,052 INFO L82 GeneralOperation]: Start isEquivalent. First operand 260 states. Second operand 146 states. [2020-07-11 02:29:30,052 INFO L74 IsIncluded]: Start isIncluded. First operand 260 states. Second operand 146 states. [2020-07-11 02:29:30,052 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 146 states. [2020-07-11 02:29:30,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:30,062 INFO L93 Difference]: Finished difference Result 260 states and 268 transitions. [2020-07-11 02:29:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 268 transitions. [2020-07-11 02:29:30,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:30,063 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:30,063 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 260 states. [2020-07-11 02:29:30,063 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 260 states. [2020-07-11 02:29:30,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:30,073 INFO L93 Difference]: Finished difference Result 260 states and 268 transitions. [2020-07-11 02:29:30,073 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 268 transitions. [2020-07-11 02:29:30,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:30,074 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:30,074 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:29:30,074 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:29:30,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-11 02:29:30,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2020-07-11 02:29:30,079 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 40 [2020-07-11 02:29:30,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:29:30,080 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2020-07-11 02:29:30,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 02:29:30,080 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 146 states and 150 transitions. [2020-07-11 02:29:30,495 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2020-07-11 02:29:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-11 02:29:30,499 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:29:30,499 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, 1] [2020-07-11 02:29:30,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-11 02:29:30,500 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:29:30,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:29:30,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1900232348, now seen corresponding path program 1 times [2020-07-11 02:29:30,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:29:30,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311475628] [2020-07-11 02:29:30,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:29:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:30,643 INFO L280 TraceCheckUtils]: 0: Hoare triple {6944#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {6935#true} is VALID [2020-07-11 02:29:30,644 INFO L280 TraceCheckUtils]: 1: Hoare triple {6935#true} ~__return_334~0 := 0; {6935#true} is VALID [2020-07-11 02:29:30,644 INFO L280 TraceCheckUtils]: 2: Hoare triple {6935#true} assume true; {6935#true} is VALID [2020-07-11 02:29:30,644 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6935#true} {6935#true} #261#return; {6935#true} is VALID [2020-07-11 02:29:30,645 INFO L263 TraceCheckUtils]: 0: Hoare triple {6935#true} call ULTIMATE.init(); {6944#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:29:30,646 INFO L280 TraceCheckUtils]: 1: Hoare triple {6944#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {6935#true} is VALID [2020-07-11 02:29:30,646 INFO L280 TraceCheckUtils]: 2: Hoare triple {6935#true} ~__return_334~0 := 0; {6935#true} is VALID [2020-07-11 02:29:30,646 INFO L280 TraceCheckUtils]: 3: Hoare triple {6935#true} assume true; {6935#true} is VALID [2020-07-11 02:29:30,646 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6935#true} {6935#true} #261#return; {6935#true} is VALID [2020-07-11 02:29:30,646 INFO L263 TraceCheckUtils]: 5: Hoare triple {6935#true} call #t~ret3 := main(); {6935#true} is VALID [2020-07-11 02:29:30,647 INFO L280 TraceCheckUtils]: 6: Hoare triple {6935#true} havoc ~main__len~0; {6935#true} is VALID [2020-07-11 02:29:30,647 INFO L280 TraceCheckUtils]: 7: Hoare triple {6935#true} havoc ~main__i~0; {6935#true} is VALID [2020-07-11 02:29:30,647 INFO L280 TraceCheckUtils]: 8: Hoare triple {6935#true} havoc ~main__j~0; {6935#true} is VALID [2020-07-11 02:29:30,647 INFO L280 TraceCheckUtils]: 9: Hoare triple {6935#true} havoc ~main__bufsize~0; {6935#true} is VALID [2020-07-11 02:29:30,648 INFO L280 TraceCheckUtils]: 10: Hoare triple {6935#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {6935#true} is VALID [2020-07-11 02:29:30,648 INFO L280 TraceCheckUtils]: 11: Hoare triple {6935#true} ~main__bufsize~0 := #t~nondet0; {6935#true} is VALID [2020-07-11 02:29:30,648 INFO L280 TraceCheckUtils]: 12: Hoare triple {6935#true} havoc #t~nondet0; {6935#true} is VALID [2020-07-11 02:29:30,648 INFO L280 TraceCheckUtils]: 13: Hoare triple {6935#true} assume !(~main__bufsize~0 < 0); {6935#true} is VALID [2020-07-11 02:29:30,649 INFO L280 TraceCheckUtils]: 14: Hoare triple {6935#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {6935#true} is VALID [2020-07-11 02:29:30,649 INFO L280 TraceCheckUtils]: 15: Hoare triple {6935#true} ~main__len~0 := #t~nondet1; {6935#true} is VALID [2020-07-11 02:29:30,649 INFO L280 TraceCheckUtils]: 16: Hoare triple {6935#true} havoc #t~nondet1; {6935#true} is VALID [2020-07-11 02:29:30,649 INFO L280 TraceCheckUtils]: 17: Hoare triple {6935#true} ~main__limit~0 := ~main__bufsize~0 - 4; {6935#true} is VALID [2020-07-11 02:29:30,650 INFO L280 TraceCheckUtils]: 18: Hoare triple {6935#true} ~main__i~0 := 0; {6935#true} is VALID [2020-07-11 02:29:30,650 INFO L280 TraceCheckUtils]: 19: Hoare triple {6935#true} assume ~main__i~0 < ~main__len~0; {6935#true} is VALID [2020-07-11 02:29:30,651 INFO L280 TraceCheckUtils]: 20: Hoare triple {6935#true} ~main__j~0 := 0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,652 INFO L280 TraceCheckUtils]: 21: Hoare triple {6941#(<= 0 main_~main__j~0)} assume ~main__i~0 < ~main__len~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,653 INFO L280 TraceCheckUtils]: 22: Hoare triple {6941#(<= 0 main_~main__j~0)} assume ~main__j~0 < ~main__limit~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,654 INFO L280 TraceCheckUtils]: 23: Hoare triple {6941#(<= 0 main_~main__j~0)} assume !(1 + ~main__i~0 < ~main__len~0); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,655 INFO L280 TraceCheckUtils]: 24: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_3~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,656 INFO L280 TraceCheckUtils]: 25: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__tmp_3~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,657 INFO L280 TraceCheckUtils]: 26: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~2; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,658 INFO L280 TraceCheckUtils]: 27: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,659 INFO L280 TraceCheckUtils]: 28: Hoare triple {6941#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~2); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,660 INFO L280 TraceCheckUtils]: 29: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_4~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,661 INFO L280 TraceCheckUtils]: 30: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__tmp_4~0 := (if 0 <= ~main__i~0 then 1 else 0); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,662 INFO L280 TraceCheckUtils]: 31: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~3; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,663 INFO L280 TraceCheckUtils]: 32: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,664 INFO L280 TraceCheckUtils]: 33: Hoare triple {6941#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,665 INFO L280 TraceCheckUtils]: 34: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_5~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,666 INFO L280 TraceCheckUtils]: 35: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__tmp_5~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,667 INFO L280 TraceCheckUtils]: 36: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~4; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,667 INFO L280 TraceCheckUtils]: 37: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,668 INFO L280 TraceCheckUtils]: 38: Hoare triple {6941#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~4); {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,668 INFO L280 TraceCheckUtils]: 39: Hoare triple {6941#(<= 0 main_~main__j~0)} havoc ~__tmp_6~0; {6941#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:30,669 INFO L280 TraceCheckUtils]: 40: Hoare triple {6941#(<= 0 main_~main__j~0)} ~__tmp_6~0 := (if 0 <= ~main__j~0 then 1 else 0); {6942#(not (= 0 main_~__tmp_6~0))} is VALID [2020-07-11 02:29:30,670 INFO L280 TraceCheckUtils]: 41: Hoare triple {6942#(not (= 0 main_~__tmp_6~0))} havoc ~__VERIFIER_assert__cond~5; {6942#(not (= 0 main_~__tmp_6~0))} is VALID [2020-07-11 02:29:30,670 INFO L280 TraceCheckUtils]: 42: Hoare triple {6942#(not (= 0 main_~__tmp_6~0))} ~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {6943#(not (= 0 main_~__VERIFIER_assert__cond~5))} is VALID [2020-07-11 02:29:30,683 INFO L280 TraceCheckUtils]: 43: Hoare triple {6943#(not (= 0 main_~__VERIFIER_assert__cond~5))} assume 0 == ~__VERIFIER_assert__cond~5; {6936#false} is VALID [2020-07-11 02:29:30,684 INFO L280 TraceCheckUtils]: 44: Hoare triple {6936#false} assume !false; {6936#false} is VALID [2020-07-11 02:29:30,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:29:30,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311475628] [2020-07-11 02:29:30,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:29:30,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-11 02:29:30,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329117887] [2020-07-11 02:29:30,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-11 02:29:30,688 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:29:30,688 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-11 02:29:30,729 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:30,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-11 02:29:30,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:29:30,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-11 02:29:30,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-11 02:29:30,731 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand 6 states. [2020-07-11 02:29:33,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:33,746 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2020-07-11 02:29:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-11 02:29:33,746 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-11 02:29:33,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:29:33,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:33,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-11 02:29:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-11 02:29:33,752 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 273 transitions. [2020-07-11 02:29:34,105 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 273 edges. 273 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:34,111 INFO L225 Difference]: With dead ends: 267 [2020-07-11 02:29:34,111 INFO L226 Difference]: Without dead ends: 265 [2020-07-11 02:29:34,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-11 02:29:34,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-07-11 02:29:35,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 144. [2020-07-11 02:29:35,173 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:29:35,174 INFO L82 GeneralOperation]: Start isEquivalent. First operand 265 states. Second operand 144 states. [2020-07-11 02:29:35,174 INFO L74 IsIncluded]: Start isIncluded. First operand 265 states. Second operand 144 states. [2020-07-11 02:29:35,174 INFO L87 Difference]: Start difference. First operand 265 states. Second operand 144 states. [2020-07-11 02:29:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:35,181 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2020-07-11 02:29:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 273 transitions. [2020-07-11 02:29:35,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:35,182 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:35,182 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 265 states. [2020-07-11 02:29:35,183 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 265 states. [2020-07-11 02:29:35,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:35,189 INFO L93 Difference]: Finished difference Result 265 states and 273 transitions. [2020-07-11 02:29:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 273 transitions. [2020-07-11 02:29:35,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:35,190 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:35,191 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:29:35,191 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:29:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-11 02:29:35,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 148 transitions. [2020-07-11 02:29:35,194 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 148 transitions. Word has length 45 [2020-07-11 02:29:35,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:29:35,194 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 148 transitions. [2020-07-11 02:29:35,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-11 02:29:35,195 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 144 states and 148 transitions. [2020-07-11 02:29:35,681 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 148 edges. 148 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:35,681 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 148 transitions. [2020-07-11 02:29:35,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-11 02:29:35,682 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:29:35,682 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, 1] [2020-07-11 02:29:35,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-11 02:29:35,683 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:29:35,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:29:35,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1678067487, now seen corresponding path program 1 times [2020-07-11 02:29:35,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:29:35,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116237205] [2020-07-11 02:29:35,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:29:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:35,812 INFO L280 TraceCheckUtils]: 0: Hoare triple {8318#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {8309#true} is VALID [2020-07-11 02:29:35,812 INFO L280 TraceCheckUtils]: 1: Hoare triple {8309#true} ~__return_334~0 := 0; {8309#true} is VALID [2020-07-11 02:29:35,813 INFO L280 TraceCheckUtils]: 2: Hoare triple {8309#true} assume true; {8309#true} is VALID [2020-07-11 02:29:35,813 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8309#true} {8309#true} #261#return; {8309#true} is VALID [2020-07-11 02:29:35,813 INFO L263 TraceCheckUtils]: 0: Hoare triple {8309#true} call ULTIMATE.init(); {8318#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:29:35,814 INFO L280 TraceCheckUtils]: 1: Hoare triple {8318#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {8309#true} is VALID [2020-07-11 02:29:35,814 INFO L280 TraceCheckUtils]: 2: Hoare triple {8309#true} ~__return_334~0 := 0; {8309#true} is VALID [2020-07-11 02:29:35,814 INFO L280 TraceCheckUtils]: 3: Hoare triple {8309#true} assume true; {8309#true} is VALID [2020-07-11 02:29:35,814 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8309#true} {8309#true} #261#return; {8309#true} is VALID [2020-07-11 02:29:35,814 INFO L263 TraceCheckUtils]: 5: Hoare triple {8309#true} call #t~ret3 := main(); {8309#true} is VALID [2020-07-11 02:29:35,815 INFO L280 TraceCheckUtils]: 6: Hoare triple {8309#true} havoc ~main__len~0; {8309#true} is VALID [2020-07-11 02:29:35,815 INFO L280 TraceCheckUtils]: 7: Hoare triple {8309#true} havoc ~main__i~0; {8309#true} is VALID [2020-07-11 02:29:35,815 INFO L280 TraceCheckUtils]: 8: Hoare triple {8309#true} havoc ~main__j~0; {8309#true} is VALID [2020-07-11 02:29:35,815 INFO L280 TraceCheckUtils]: 9: Hoare triple {8309#true} havoc ~main__bufsize~0; {8309#true} is VALID [2020-07-11 02:29:35,815 INFO L280 TraceCheckUtils]: 10: Hoare triple {8309#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {8309#true} is VALID [2020-07-11 02:29:35,816 INFO L280 TraceCheckUtils]: 11: Hoare triple {8309#true} ~main__bufsize~0 := #t~nondet0; {8309#true} is VALID [2020-07-11 02:29:35,816 INFO L280 TraceCheckUtils]: 12: Hoare triple {8309#true} havoc #t~nondet0; {8309#true} is VALID [2020-07-11 02:29:35,816 INFO L280 TraceCheckUtils]: 13: Hoare triple {8309#true} assume !(~main__bufsize~0 < 0); {8309#true} is VALID [2020-07-11 02:29:35,816 INFO L280 TraceCheckUtils]: 14: Hoare triple {8309#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8309#true} is VALID [2020-07-11 02:29:35,816 INFO L280 TraceCheckUtils]: 15: Hoare triple {8309#true} ~main__len~0 := #t~nondet1; {8309#true} is VALID [2020-07-11 02:29:35,817 INFO L280 TraceCheckUtils]: 16: Hoare triple {8309#true} havoc #t~nondet1; {8309#true} is VALID [2020-07-11 02:29:35,817 INFO L280 TraceCheckUtils]: 17: Hoare triple {8309#true} ~main__limit~0 := ~main__bufsize~0 - 4; {8309#true} is VALID [2020-07-11 02:29:35,817 INFO L280 TraceCheckUtils]: 18: Hoare triple {8309#true} ~main__i~0 := 0; {8309#true} is VALID [2020-07-11 02:29:35,818 INFO L280 TraceCheckUtils]: 19: Hoare triple {8309#true} assume ~main__i~0 < ~main__len~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,819 INFO L280 TraceCheckUtils]: 20: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~main__j~0 := 0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,819 INFO L280 TraceCheckUtils]: 21: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume ~main__i~0 < ~main__len~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,820 INFO L280 TraceCheckUtils]: 22: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume ~main__j~0 < ~main__limit~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,820 INFO L280 TraceCheckUtils]: 23: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume 1 + ~main__i~0 < ~main__len~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,821 INFO L280 TraceCheckUtils]: 24: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc ~__tmp_1~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,821 INFO L280 TraceCheckUtils]: 25: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,821 INFO L280 TraceCheckUtils]: 26: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc ~__VERIFIER_assert__cond~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,822 INFO L280 TraceCheckUtils]: 27: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,822 INFO L280 TraceCheckUtils]: 28: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,823 INFO L280 TraceCheckUtils]: 29: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc ~__tmp_2~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,823 INFO L280 TraceCheckUtils]: 30: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,823 INFO L280 TraceCheckUtils]: 31: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc ~__VERIFIER_assert__cond~1; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,824 INFO L280 TraceCheckUtils]: 32: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,824 INFO L280 TraceCheckUtils]: 33: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,825 INFO L280 TraceCheckUtils]: 34: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc ~main____CPAchecker_TMP_0~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,825 INFO L280 TraceCheckUtils]: 35: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,826 INFO L280 TraceCheckUtils]: 36: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,826 INFO L280 TraceCheckUtils]: 37: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc #t~nondet2; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,827 INFO L280 TraceCheckUtils]: 38: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,827 INFO L280 TraceCheckUtils]: 39: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} havoc ~__tmp_7~0; {8315#(< main_~main__i~0 main_~main__len~0)} is VALID [2020-07-11 02:29:35,828 INFO L280 TraceCheckUtils]: 40: Hoare triple {8315#(< main_~main__i~0 main_~main__len~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {8316#(not (= 0 main_~__tmp_7~0))} is VALID [2020-07-11 02:29:35,829 INFO L280 TraceCheckUtils]: 41: Hoare triple {8316#(not (= 0 main_~__tmp_7~0))} havoc ~__VERIFIER_assert__cond~6; {8316#(not (= 0 main_~__tmp_7~0))} is VALID [2020-07-11 02:29:35,830 INFO L280 TraceCheckUtils]: 42: Hoare triple {8316#(not (= 0 main_~__tmp_7~0))} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {8317#(not (= 0 main_~__VERIFIER_assert__cond~6))} is VALID [2020-07-11 02:29:35,831 INFO L280 TraceCheckUtils]: 43: Hoare triple {8317#(not (= 0 main_~__VERIFIER_assert__cond~6))} assume 0 == ~__VERIFIER_assert__cond~6; {8310#false} is VALID [2020-07-11 02:29:35,831 INFO L280 TraceCheckUtils]: 44: Hoare triple {8310#false} assume !false; {8310#false} is VALID [2020-07-11 02:29:35,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:29:35,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116237205] [2020-07-11 02:29:35,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:29:35,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-11 02:29:35,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235669588] [2020-07-11 02:29:35,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-11 02:29:35,835 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:29:35,836 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-11 02:29:35,888 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:35,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-11 02:29:35,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:29:35,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-11 02:29:35,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-11 02:29:35,890 INFO L87 Difference]: Start difference. First operand 144 states and 148 transitions. Second operand 6 states. [2020-07-11 02:29:38,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:38,245 INFO L93 Difference]: Finished difference Result 194 states and 202 transitions. [2020-07-11 02:29:38,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-11 02:29:38,246 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2020-07-11 02:29:38,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:29:38,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:38,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 202 transitions. [2020-07-11 02:29:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:38,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 202 transitions. [2020-07-11 02:29:38,251 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 202 transitions. [2020-07-11 02:29:38,536 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 202 edges. 202 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:38,540 INFO L225 Difference]: With dead ends: 194 [2020-07-11 02:29:38,540 INFO L226 Difference]: Without dead ends: 192 [2020-07-11 02:29:38,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-11 02:29:38,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-11 02:29:39,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 142. [2020-07-11 02:29:39,659 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:29:39,659 INFO L82 GeneralOperation]: Start isEquivalent. First operand 192 states. Second operand 142 states. [2020-07-11 02:29:39,659 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states. Second operand 142 states. [2020-07-11 02:29:39,659 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 142 states. [2020-07-11 02:29:39,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:39,664 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2020-07-11 02:29:39,664 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 200 transitions. [2020-07-11 02:29:39,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:39,665 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:39,665 INFO L74 IsIncluded]: Start isIncluded. First operand 142 states. Second operand 192 states. [2020-07-11 02:29:39,665 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 192 states. [2020-07-11 02:29:39,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:39,670 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2020-07-11 02:29:39,670 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 200 transitions. [2020-07-11 02:29:39,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:39,671 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:39,671 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:29:39,671 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:29:39,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-11 02:29:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 146 transitions. [2020-07-11 02:29:39,675 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 146 transitions. Word has length 45 [2020-07-11 02:29:39,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:29:39,675 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 146 transitions. [2020-07-11 02:29:39,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-11 02:29:39,675 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 142 states and 146 transitions. [2020-07-11 02:29:40,141 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2020-07-11 02:29:40,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-11 02:29:40,143 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:29:40,143 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, 1, 1, 1, 1, 1, 1] [2020-07-11 02:29:40,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-11 02:29:40,143 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:29:40,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:29:40,144 INFO L82 PathProgramCache]: Analyzing trace with hash 776869197, now seen corresponding path program 1 times [2020-07-11 02:29:40,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:29:40,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018161657] [2020-07-11 02:29:40,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:29:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:40,294 INFO L280 TraceCheckUtils]: 0: Hoare triple {9398#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {9387#true} is VALID [2020-07-11 02:29:40,294 INFO L280 TraceCheckUtils]: 1: Hoare triple {9387#true} ~__return_334~0 := 0; {9387#true} is VALID [2020-07-11 02:29:40,294 INFO L280 TraceCheckUtils]: 2: Hoare triple {9387#true} assume true; {9387#true} is VALID [2020-07-11 02:29:40,295 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {9387#true} {9387#true} #261#return; {9387#true} is VALID [2020-07-11 02:29:40,295 INFO L263 TraceCheckUtils]: 0: Hoare triple {9387#true} call ULTIMATE.init(); {9398#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:29:40,295 INFO L280 TraceCheckUtils]: 1: Hoare triple {9398#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {9387#true} is VALID [2020-07-11 02:29:40,296 INFO L280 TraceCheckUtils]: 2: Hoare triple {9387#true} ~__return_334~0 := 0; {9387#true} is VALID [2020-07-11 02:29:40,296 INFO L280 TraceCheckUtils]: 3: Hoare triple {9387#true} assume true; {9387#true} is VALID [2020-07-11 02:29:40,296 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9387#true} {9387#true} #261#return; {9387#true} is VALID [2020-07-11 02:29:40,296 INFO L263 TraceCheckUtils]: 5: Hoare triple {9387#true} call #t~ret3 := main(); {9387#true} is VALID [2020-07-11 02:29:40,297 INFO L280 TraceCheckUtils]: 6: Hoare triple {9387#true} havoc ~main__len~0; {9387#true} is VALID [2020-07-11 02:29:40,297 INFO L280 TraceCheckUtils]: 7: Hoare triple {9387#true} havoc ~main__i~0; {9387#true} is VALID [2020-07-11 02:29:40,297 INFO L280 TraceCheckUtils]: 8: Hoare triple {9387#true} havoc ~main__j~0; {9387#true} is VALID [2020-07-11 02:29:40,297 INFO L280 TraceCheckUtils]: 9: Hoare triple {9387#true} havoc ~main__bufsize~0; {9387#true} is VALID [2020-07-11 02:29:40,297 INFO L280 TraceCheckUtils]: 10: Hoare triple {9387#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {9387#true} is VALID [2020-07-11 02:29:40,298 INFO L280 TraceCheckUtils]: 11: Hoare triple {9387#true} ~main__bufsize~0 := #t~nondet0; {9387#true} is VALID [2020-07-11 02:29:40,298 INFO L280 TraceCheckUtils]: 12: Hoare triple {9387#true} havoc #t~nondet0; {9387#true} is VALID [2020-07-11 02:29:40,298 INFO L280 TraceCheckUtils]: 13: Hoare triple {9387#true} assume !(~main__bufsize~0 < 0); {9387#true} is VALID [2020-07-11 02:29:40,298 INFO L280 TraceCheckUtils]: 14: Hoare triple {9387#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {9387#true} is VALID [2020-07-11 02:29:40,298 INFO L280 TraceCheckUtils]: 15: Hoare triple {9387#true} ~main__len~0 := #t~nondet1; {9387#true} is VALID [2020-07-11 02:29:40,299 INFO L280 TraceCheckUtils]: 16: Hoare triple {9387#true} havoc #t~nondet1; {9387#true} is VALID [2020-07-11 02:29:40,299 INFO L280 TraceCheckUtils]: 17: Hoare triple {9387#true} ~main__limit~0 := ~main__bufsize~0 - 4; {9387#true} is VALID [2020-07-11 02:29:40,299 INFO L280 TraceCheckUtils]: 18: Hoare triple {9387#true} ~main__i~0 := 0; {9387#true} is VALID [2020-07-11 02:29:40,299 INFO L280 TraceCheckUtils]: 19: Hoare triple {9387#true} assume ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-11 02:29:40,300 INFO L280 TraceCheckUtils]: 20: Hoare triple {9387#true} ~main__j~0 := 0; {9387#true} is VALID [2020-07-11 02:29:40,300 INFO L280 TraceCheckUtils]: 21: Hoare triple {9387#true} assume ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-11 02:29:40,300 INFO L280 TraceCheckUtils]: 22: Hoare triple {9387#true} assume ~main__j~0 < ~main__limit~0; {9387#true} is VALID [2020-07-11 02:29:40,300 INFO L280 TraceCheckUtils]: 23: Hoare triple {9387#true} assume 1 + ~main__i~0 < ~main__len~0; {9387#true} is VALID [2020-07-11 02:29:40,300 INFO L280 TraceCheckUtils]: 24: Hoare triple {9387#true} havoc ~__tmp_1~0; {9387#true} is VALID [2020-07-11 02:29:40,301 INFO L280 TraceCheckUtils]: 25: Hoare triple {9387#true} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {9387#true} is VALID [2020-07-11 02:29:40,301 INFO L280 TraceCheckUtils]: 26: Hoare triple {9387#true} havoc ~__VERIFIER_assert__cond~0; {9387#true} is VALID [2020-07-11 02:29:40,301 INFO L280 TraceCheckUtils]: 27: Hoare triple {9387#true} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {9387#true} is VALID [2020-07-11 02:29:40,301 INFO L280 TraceCheckUtils]: 28: Hoare triple {9387#true} assume !(0 == ~__VERIFIER_assert__cond~0); {9387#true} is VALID [2020-07-11 02:29:40,302 INFO L280 TraceCheckUtils]: 29: Hoare triple {9387#true} havoc ~__tmp_2~0; {9387#true} is VALID [2020-07-11 02:29:40,303 INFO L280 TraceCheckUtils]: 30: Hoare triple {9387#true} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {9393#(or (and (<= 0 main_~main__i~0) (= 1 main_~__tmp_2~0)) (and (= 0 main_~__tmp_2~0) (< main_~main__i~0 0)))} is VALID [2020-07-11 02:29:40,303 INFO L280 TraceCheckUtils]: 31: Hoare triple {9393#(or (and (<= 0 main_~main__i~0) (= 1 main_~__tmp_2~0)) (and (= 0 main_~__tmp_2~0) (< main_~main__i~0 0)))} havoc ~__VERIFIER_assert__cond~1; {9393#(or (and (<= 0 main_~main__i~0) (= 1 main_~__tmp_2~0)) (and (= 0 main_~__tmp_2~0) (< main_~main__i~0 0)))} is VALID [2020-07-11 02:29:40,304 INFO L280 TraceCheckUtils]: 32: Hoare triple {9393#(or (and (<= 0 main_~main__i~0) (= 1 main_~__tmp_2~0)) (and (= 0 main_~__tmp_2~0) (< main_~main__i~0 0)))} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {9394#(or (and (= 0 main_~__VERIFIER_assert__cond~1) (< main_~main__i~0 0)) (and (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1)))} is VALID [2020-07-11 02:29:40,305 INFO L280 TraceCheckUtils]: 33: Hoare triple {9394#(or (and (= 0 main_~__VERIFIER_assert__cond~1) (< main_~main__i~0 0)) (and (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1)))} assume !(0 == ~__VERIFIER_assert__cond~1); {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:40,306 INFO L280 TraceCheckUtils]: 34: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc ~main____CPAchecker_TMP_0~0; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:40,306 INFO L280 TraceCheckUtils]: 35: Hoare triple {9395#(<= 0 main_~main__i~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:40,307 INFO L280 TraceCheckUtils]: 36: Hoare triple {9395#(<= 0 main_~main__i~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:40,307 INFO L280 TraceCheckUtils]: 37: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc #t~nondet2; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:40,308 INFO L280 TraceCheckUtils]: 38: Hoare triple {9395#(<= 0 main_~main__i~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:40,308 INFO L280 TraceCheckUtils]: 39: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc ~__tmp_7~0; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:40,308 INFO L280 TraceCheckUtils]: 40: Hoare triple {9395#(<= 0 main_~main__i~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:40,309 INFO L280 TraceCheckUtils]: 41: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~6; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:40,309 INFO L280 TraceCheckUtils]: 42: Hoare triple {9395#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:40,310 INFO L280 TraceCheckUtils]: 43: Hoare triple {9395#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:40,310 INFO L280 TraceCheckUtils]: 44: Hoare triple {9395#(<= 0 main_~main__i~0)} havoc ~__tmp_8~0; {9395#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:29:40,311 INFO L280 TraceCheckUtils]: 45: Hoare triple {9395#(<= 0 main_~main__i~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {9396#(not (= 0 main_~__tmp_8~0))} is VALID [2020-07-11 02:29:40,311 INFO L280 TraceCheckUtils]: 46: Hoare triple {9396#(not (= 0 main_~__tmp_8~0))} havoc ~__VERIFIER_assert__cond~7; {9396#(not (= 0 main_~__tmp_8~0))} is VALID [2020-07-11 02:29:40,311 INFO L280 TraceCheckUtils]: 47: Hoare triple {9396#(not (= 0 main_~__tmp_8~0))} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {9397#(not (= 0 main_~__VERIFIER_assert__cond~7))} is VALID [2020-07-11 02:29:40,312 INFO L280 TraceCheckUtils]: 48: Hoare triple {9397#(not (= 0 main_~__VERIFIER_assert__cond~7))} assume 0 == ~__VERIFIER_assert__cond~7; {9388#false} is VALID [2020-07-11 02:29:40,312 INFO L280 TraceCheckUtils]: 49: Hoare triple {9388#false} assume !false; {9388#false} is VALID [2020-07-11 02:29:40,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:29:40,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018161657] [2020-07-11 02:29:40,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:29:40,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-11 02:29:40,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979679820] [2020-07-11 02:29:40,317 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-07-11 02:29:40,317 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:29:40,317 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 02:29:40,378 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:40,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 02:29:40,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:29:40,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 02:29:40,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-11 02:29:40,379 INFO L87 Difference]: Start difference. First operand 142 states and 146 transitions. Second operand 8 states. [2020-07-11 02:29:44,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:44,387 INFO L93 Difference]: Finished difference Result 233 states and 244 transitions. [2020-07-11 02:29:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-11 02:29:44,387 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-07-11 02:29:44,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:29:44,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 02:29:44,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 241 transitions. [2020-07-11 02:29:44,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 02:29:44,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 241 transitions. [2020-07-11 02:29:44,392 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 241 transitions. [2020-07-11 02:29:44,732 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 241 edges. 241 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:44,737 INFO L225 Difference]: With dead ends: 233 [2020-07-11 02:29:44,738 INFO L226 Difference]: Without dead ends: 231 [2020-07-11 02:29:44,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-07-11 02:29:44,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-07-11 02:29:46,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 140. [2020-07-11 02:29:46,048 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:29:46,048 INFO L82 GeneralOperation]: Start isEquivalent. First operand 231 states. Second operand 140 states. [2020-07-11 02:29:46,048 INFO L74 IsIncluded]: Start isIncluded. First operand 231 states. Second operand 140 states. [2020-07-11 02:29:46,048 INFO L87 Difference]: Start difference. First operand 231 states. Second operand 140 states. [2020-07-11 02:29:46,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:46,054 INFO L93 Difference]: Finished difference Result 231 states and 242 transitions. [2020-07-11 02:29:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 242 transitions. [2020-07-11 02:29:46,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:46,055 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:46,056 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 231 states. [2020-07-11 02:29:46,056 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 231 states. [2020-07-11 02:29:46,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:46,061 INFO L93 Difference]: Finished difference Result 231 states and 242 transitions. [2020-07-11 02:29:46,061 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 242 transitions. [2020-07-11 02:29:46,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:46,062 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:46,062 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:29:46,062 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:29:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-11 02:29:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 144 transitions. [2020-07-11 02:29:46,065 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 144 transitions. Word has length 50 [2020-07-11 02:29:46,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:29:46,065 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 144 transitions. [2020-07-11 02:29:46,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 02:29:46,065 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 140 states and 144 transitions. [2020-07-11 02:29:46,551 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 144 edges. 144 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:46,551 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 144 transitions. [2020-07-11 02:29:46,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-11 02:29:46,552 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:29:46,553 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:29:46,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-11 02:29:46,553 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:29:46,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:29:46,554 INFO L82 PathProgramCache]: Analyzing trace with hash -828388948, now seen corresponding path program 1 times [2020-07-11 02:29:46,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:29:46,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129436841] [2020-07-11 02:29:46,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:29:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:46,655 INFO L280 TraceCheckUtils]: 0: Hoare triple {10640#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {10630#true} is VALID [2020-07-11 02:29:46,656 INFO L280 TraceCheckUtils]: 1: Hoare triple {10630#true} ~__return_334~0 := 0; {10630#true} is VALID [2020-07-11 02:29:46,656 INFO L280 TraceCheckUtils]: 2: Hoare triple {10630#true} assume true; {10630#true} is VALID [2020-07-11 02:29:46,656 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {10630#true} {10630#true} #261#return; {10630#true} is VALID [2020-07-11 02:29:46,657 INFO L263 TraceCheckUtils]: 0: Hoare triple {10630#true} call ULTIMATE.init(); {10640#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:29:46,657 INFO L280 TraceCheckUtils]: 1: Hoare triple {10640#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {10630#true} is VALID [2020-07-11 02:29:46,657 INFO L280 TraceCheckUtils]: 2: Hoare triple {10630#true} ~__return_334~0 := 0; {10630#true} is VALID [2020-07-11 02:29:46,657 INFO L280 TraceCheckUtils]: 3: Hoare triple {10630#true} assume true; {10630#true} is VALID [2020-07-11 02:29:46,658 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10630#true} {10630#true} #261#return; {10630#true} is VALID [2020-07-11 02:29:46,658 INFO L263 TraceCheckUtils]: 5: Hoare triple {10630#true} call #t~ret3 := main(); {10630#true} is VALID [2020-07-11 02:29:46,658 INFO L280 TraceCheckUtils]: 6: Hoare triple {10630#true} havoc ~main__len~0; {10630#true} is VALID [2020-07-11 02:29:46,658 INFO L280 TraceCheckUtils]: 7: Hoare triple {10630#true} havoc ~main__i~0; {10630#true} is VALID [2020-07-11 02:29:46,658 INFO L280 TraceCheckUtils]: 8: Hoare triple {10630#true} havoc ~main__j~0; {10630#true} is VALID [2020-07-11 02:29:46,658 INFO L280 TraceCheckUtils]: 9: Hoare triple {10630#true} havoc ~main__bufsize~0; {10630#true} is VALID [2020-07-11 02:29:46,658 INFO L280 TraceCheckUtils]: 10: Hoare triple {10630#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {10630#true} is VALID [2020-07-11 02:29:46,659 INFO L280 TraceCheckUtils]: 11: Hoare triple {10630#true} ~main__bufsize~0 := #t~nondet0; {10630#true} is VALID [2020-07-11 02:29:46,659 INFO L280 TraceCheckUtils]: 12: Hoare triple {10630#true} havoc #t~nondet0; {10630#true} is VALID [2020-07-11 02:29:46,659 INFO L280 TraceCheckUtils]: 13: Hoare triple {10630#true} assume !(~main__bufsize~0 < 0); {10630#true} is VALID [2020-07-11 02:29:46,659 INFO L280 TraceCheckUtils]: 14: Hoare triple {10630#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10630#true} is VALID [2020-07-11 02:29:46,659 INFO L280 TraceCheckUtils]: 15: Hoare triple {10630#true} ~main__len~0 := #t~nondet1; {10630#true} is VALID [2020-07-11 02:29:46,659 INFO L280 TraceCheckUtils]: 16: Hoare triple {10630#true} havoc #t~nondet1; {10630#true} is VALID [2020-07-11 02:29:46,660 INFO L280 TraceCheckUtils]: 17: Hoare triple {10630#true} ~main__limit~0 := ~main__bufsize~0 - 4; {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,660 INFO L280 TraceCheckUtils]: 18: Hoare triple {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__i~0 := 0; {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,661 INFO L280 TraceCheckUtils]: 19: Hoare triple {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,661 INFO L280 TraceCheckUtils]: 20: Hoare triple {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__j~0 := 0; {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,661 INFO L280 TraceCheckUtils]: 21: Hoare triple {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,662 INFO L280 TraceCheckUtils]: 22: Hoare triple {10636#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__j~0 < ~main__limit~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,662 INFO L280 TraceCheckUtils]: 23: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume 1 + ~main__i~0 < ~main__len~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,663 INFO L280 TraceCheckUtils]: 24: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_1~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,663 INFO L280 TraceCheckUtils]: 25: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,664 INFO L280 TraceCheckUtils]: 26: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,664 INFO L280 TraceCheckUtils]: 27: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,664 INFO L280 TraceCheckUtils]: 28: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,665 INFO L280 TraceCheckUtils]: 29: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_2~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,665 INFO L280 TraceCheckUtils]: 30: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,666 INFO L280 TraceCheckUtils]: 31: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~1; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,666 INFO L280 TraceCheckUtils]: 32: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,666 INFO L280 TraceCheckUtils]: 33: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,667 INFO L280 TraceCheckUtils]: 34: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~main____CPAchecker_TMP_0~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,673 INFO L280 TraceCheckUtils]: 35: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,674 INFO L280 TraceCheckUtils]: 36: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,683 INFO L280 TraceCheckUtils]: 37: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc #t~nondet2; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,685 INFO L280 TraceCheckUtils]: 38: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,690 INFO L280 TraceCheckUtils]: 39: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_7~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,691 INFO L280 TraceCheckUtils]: 40: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,692 INFO L280 TraceCheckUtils]: 41: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~6; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,693 INFO L280 TraceCheckUtils]: 42: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,695 INFO L280 TraceCheckUtils]: 43: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,695 INFO L280 TraceCheckUtils]: 44: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_8~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,696 INFO L280 TraceCheckUtils]: 45: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,696 INFO L280 TraceCheckUtils]: 46: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~7; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,697 INFO L280 TraceCheckUtils]: 47: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,697 INFO L280 TraceCheckUtils]: 48: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,698 INFO L280 TraceCheckUtils]: 49: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_9~0; {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:29:46,699 INFO L280 TraceCheckUtils]: 50: Hoare triple {10637#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {10638#(not (= 0 main_~__tmp_9~0))} is VALID [2020-07-11 02:29:46,699 INFO L280 TraceCheckUtils]: 51: Hoare triple {10638#(not (= 0 main_~__tmp_9~0))} havoc ~__VERIFIER_assert__cond~8; {10638#(not (= 0 main_~__tmp_9~0))} is VALID [2020-07-11 02:29:46,700 INFO L280 TraceCheckUtils]: 52: Hoare triple {10638#(not (= 0 main_~__tmp_9~0))} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {10639#(not (= 0 main_~__VERIFIER_assert__cond~8))} is VALID [2020-07-11 02:29:46,700 INFO L280 TraceCheckUtils]: 53: Hoare triple {10639#(not (= 0 main_~__VERIFIER_assert__cond~8))} assume 0 == ~__VERIFIER_assert__cond~8; {10631#false} is VALID [2020-07-11 02:29:46,700 INFO L280 TraceCheckUtils]: 54: Hoare triple {10631#false} assume !false; {10631#false} is VALID [2020-07-11 02:29:46,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:29:46,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129436841] [2020-07-11 02:29:46,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:29:46,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-11 02:29:46,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22380581] [2020-07-11 02:29:46,709 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-07-11 02:29:46,709 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:29:46,709 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 02:29:46,760 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:46,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 02:29:46,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:29:46,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 02:29:46,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-11 02:29:46,762 INFO L87 Difference]: Start difference. First operand 140 states and 144 transitions. Second operand 7 states. [2020-07-11 02:29:49,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:49,694 INFO L93 Difference]: Finished difference Result 198 states and 206 transitions. [2020-07-11 02:29:49,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-11 02:29:49,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-07-11 02:29:49,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:29:49,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 02:29:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 204 transitions. [2020-07-11 02:29:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 02:29:49,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 204 transitions. [2020-07-11 02:29:49,699 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 204 transitions. [2020-07-11 02:29:49,981 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:49,986 INFO L225 Difference]: With dead ends: 198 [2020-07-11 02:29:49,986 INFO L226 Difference]: Without dead ends: 196 [2020-07-11 02:29:49,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-07-11 02:29:49,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-11 02:29:51,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 138. [2020-07-11 02:29:51,344 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:29:51,344 INFO L82 GeneralOperation]: Start isEquivalent. First operand 196 states. Second operand 138 states. [2020-07-11 02:29:51,344 INFO L74 IsIncluded]: Start isIncluded. First operand 196 states. Second operand 138 states. [2020-07-11 02:29:51,344 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 138 states. [2020-07-11 02:29:51,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:51,349 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2020-07-11 02:29:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2020-07-11 02:29:51,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:51,350 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:51,350 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 196 states. [2020-07-11 02:29:51,350 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 196 states. [2020-07-11 02:29:51,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:51,355 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2020-07-11 02:29:51,355 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2020-07-11 02:29:51,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:51,356 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:51,356 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:29:51,356 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:29:51,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-11 02:29:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2020-07-11 02:29:51,359 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 55 [2020-07-11 02:29:51,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:29:51,359 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2020-07-11 02:29:51,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 02:29:51,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 138 states and 142 transitions. [2020-07-11 02:29:51,872 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 142 edges. 142 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:51,872 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2020-07-11 02:29:51,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-11 02:29:51,873 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:29:51,873 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:29:51,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-11 02:29:51,874 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:29:51,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:29:51,874 INFO L82 PathProgramCache]: Analyzing trace with hash -2080692744, now seen corresponding path program 1 times [2020-07-11 02:29:51,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:29:51,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889632292] [2020-07-11 02:29:51,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:29:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:51,960 INFO L280 TraceCheckUtils]: 0: Hoare triple {11728#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {11719#true} is VALID [2020-07-11 02:29:51,961 INFO L280 TraceCheckUtils]: 1: Hoare triple {11719#true} ~__return_334~0 := 0; {11719#true} is VALID [2020-07-11 02:29:51,961 INFO L280 TraceCheckUtils]: 2: Hoare triple {11719#true} assume true; {11719#true} is VALID [2020-07-11 02:29:51,961 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {11719#true} {11719#true} #261#return; {11719#true} is VALID [2020-07-11 02:29:51,962 INFO L263 TraceCheckUtils]: 0: Hoare triple {11719#true} call ULTIMATE.init(); {11728#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:29:51,962 INFO L280 TraceCheckUtils]: 1: Hoare triple {11728#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {11719#true} is VALID [2020-07-11 02:29:51,962 INFO L280 TraceCheckUtils]: 2: Hoare triple {11719#true} ~__return_334~0 := 0; {11719#true} is VALID [2020-07-11 02:29:51,962 INFO L280 TraceCheckUtils]: 3: Hoare triple {11719#true} assume true; {11719#true} is VALID [2020-07-11 02:29:51,962 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {11719#true} {11719#true} #261#return; {11719#true} is VALID [2020-07-11 02:29:51,962 INFO L263 TraceCheckUtils]: 5: Hoare triple {11719#true} call #t~ret3 := main(); {11719#true} is VALID [2020-07-11 02:29:51,963 INFO L280 TraceCheckUtils]: 6: Hoare triple {11719#true} havoc ~main__len~0; {11719#true} is VALID [2020-07-11 02:29:51,963 INFO L280 TraceCheckUtils]: 7: Hoare triple {11719#true} havoc ~main__i~0; {11719#true} is VALID [2020-07-11 02:29:51,963 INFO L280 TraceCheckUtils]: 8: Hoare triple {11719#true} havoc ~main__j~0; {11719#true} is VALID [2020-07-11 02:29:51,963 INFO L280 TraceCheckUtils]: 9: Hoare triple {11719#true} havoc ~main__bufsize~0; {11719#true} is VALID [2020-07-11 02:29:51,963 INFO L280 TraceCheckUtils]: 10: Hoare triple {11719#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {11719#true} is VALID [2020-07-11 02:29:51,963 INFO L280 TraceCheckUtils]: 11: Hoare triple {11719#true} ~main__bufsize~0 := #t~nondet0; {11719#true} is VALID [2020-07-11 02:29:51,963 INFO L280 TraceCheckUtils]: 12: Hoare triple {11719#true} havoc #t~nondet0; {11719#true} is VALID [2020-07-11 02:29:51,964 INFO L280 TraceCheckUtils]: 13: Hoare triple {11719#true} assume !(~main__bufsize~0 < 0); {11719#true} is VALID [2020-07-11 02:29:51,964 INFO L280 TraceCheckUtils]: 14: Hoare triple {11719#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {11719#true} is VALID [2020-07-11 02:29:51,964 INFO L280 TraceCheckUtils]: 15: Hoare triple {11719#true} ~main__len~0 := #t~nondet1; {11719#true} is VALID [2020-07-11 02:29:51,964 INFO L280 TraceCheckUtils]: 16: Hoare triple {11719#true} havoc #t~nondet1; {11719#true} is VALID [2020-07-11 02:29:51,964 INFO L280 TraceCheckUtils]: 17: Hoare triple {11719#true} ~main__limit~0 := ~main__bufsize~0 - 4; {11719#true} is VALID [2020-07-11 02:29:51,964 INFO L280 TraceCheckUtils]: 18: Hoare triple {11719#true} ~main__i~0 := 0; {11719#true} is VALID [2020-07-11 02:29:51,964 INFO L280 TraceCheckUtils]: 19: Hoare triple {11719#true} assume ~main__i~0 < ~main__len~0; {11719#true} is VALID [2020-07-11 02:29:51,965 INFO L280 TraceCheckUtils]: 20: Hoare triple {11719#true} ~main__j~0 := 0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,965 INFO L280 TraceCheckUtils]: 21: Hoare triple {11725#(<= 0 main_~main__j~0)} assume ~main__i~0 < ~main__len~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,966 INFO L280 TraceCheckUtils]: 22: Hoare triple {11725#(<= 0 main_~main__j~0)} assume ~main__j~0 < ~main__limit~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,966 INFO L280 TraceCheckUtils]: 23: Hoare triple {11725#(<= 0 main_~main__j~0)} assume 1 + ~main__i~0 < ~main__len~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,966 INFO L280 TraceCheckUtils]: 24: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_1~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,967 INFO L280 TraceCheckUtils]: 25: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,967 INFO L280 TraceCheckUtils]: 26: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,967 INFO L280 TraceCheckUtils]: 27: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,968 INFO L280 TraceCheckUtils]: 28: Hoare triple {11725#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,968 INFO L280 TraceCheckUtils]: 29: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_2~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,968 INFO L280 TraceCheckUtils]: 30: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,969 INFO L280 TraceCheckUtils]: 31: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~1; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,970 INFO L280 TraceCheckUtils]: 32: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,970 INFO L280 TraceCheckUtils]: 33: Hoare triple {11725#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,971 INFO L280 TraceCheckUtils]: 34: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~main____CPAchecker_TMP_0~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,971 INFO L280 TraceCheckUtils]: 35: Hoare triple {11725#(<= 0 main_~main__j~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,972 INFO L280 TraceCheckUtils]: 36: Hoare triple {11725#(<= 0 main_~main__j~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,972 INFO L280 TraceCheckUtils]: 37: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc #t~nondet2; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,973 INFO L280 TraceCheckUtils]: 38: Hoare triple {11725#(<= 0 main_~main__j~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,973 INFO L280 TraceCheckUtils]: 39: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_7~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,974 INFO L280 TraceCheckUtils]: 40: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,974 INFO L280 TraceCheckUtils]: 41: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~6; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,975 INFO L280 TraceCheckUtils]: 42: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,975 INFO L280 TraceCheckUtils]: 43: Hoare triple {11725#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,975 INFO L280 TraceCheckUtils]: 44: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_8~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,976 INFO L280 TraceCheckUtils]: 45: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,976 INFO L280 TraceCheckUtils]: 46: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~7; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,976 INFO L280 TraceCheckUtils]: 47: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,977 INFO L280 TraceCheckUtils]: 48: Hoare triple {11725#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,977 INFO L280 TraceCheckUtils]: 49: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_9~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,978 INFO L280 TraceCheckUtils]: 50: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,978 INFO L280 TraceCheckUtils]: 51: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~8; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,979 INFO L280 TraceCheckUtils]: 52: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,979 INFO L280 TraceCheckUtils]: 53: Hoare triple {11725#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,979 INFO L280 TraceCheckUtils]: 54: Hoare triple {11725#(<= 0 main_~main__j~0)} havoc ~__tmp_10~0; {11725#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:29:51,980 INFO L280 TraceCheckUtils]: 55: Hoare triple {11725#(<= 0 main_~main__j~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {11726#(not (= 0 main_~__tmp_10~0))} is VALID [2020-07-11 02:29:51,980 INFO L280 TraceCheckUtils]: 56: Hoare triple {11726#(not (= 0 main_~__tmp_10~0))} havoc ~__VERIFIER_assert__cond~9; {11726#(not (= 0 main_~__tmp_10~0))} is VALID [2020-07-11 02:29:51,981 INFO L280 TraceCheckUtils]: 57: Hoare triple {11726#(not (= 0 main_~__tmp_10~0))} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {11727#(not (= 0 main_~__VERIFIER_assert__cond~9))} is VALID [2020-07-11 02:29:51,981 INFO L280 TraceCheckUtils]: 58: Hoare triple {11727#(not (= 0 main_~__VERIFIER_assert__cond~9))} assume 0 == ~__VERIFIER_assert__cond~9; {11720#false} is VALID [2020-07-11 02:29:51,981 INFO L280 TraceCheckUtils]: 59: Hoare triple {11720#false} assume !false; {11720#false} is VALID [2020-07-11 02:29:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:29:51,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889632292] [2020-07-11 02:29:51,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:29:51,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-11 02:29:51,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073241730] [2020-07-11 02:29:51,985 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-11 02:29:51,986 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:29:51,986 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-11 02:29:52,047 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:52,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-11 02:29:52,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:29:52,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-11 02:29:52,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-11 02:29:52,049 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand 6 states. [2020-07-11 02:29:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:54,951 INFO L93 Difference]: Finished difference Result 203 states and 211 transitions. [2020-07-11 02:29:54,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-11 02:29:54,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-11 02:29:54,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:29:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 209 transitions. [2020-07-11 02:29:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 02:29:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 209 transitions. [2020-07-11 02:29:54,956 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 209 transitions. [2020-07-11 02:29:55,245 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:55,249 INFO L225 Difference]: With dead ends: 203 [2020-07-11 02:29:55,250 INFO L226 Difference]: Without dead ends: 201 [2020-07-11 02:29:55,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-11 02:29:55,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-07-11 02:29:56,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 136. [2020-07-11 02:29:56,636 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:29:56,636 INFO L82 GeneralOperation]: Start isEquivalent. First operand 201 states. Second operand 136 states. [2020-07-11 02:29:56,636 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 136 states. [2020-07-11 02:29:56,637 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 136 states. [2020-07-11 02:29:56,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:56,641 INFO L93 Difference]: Finished difference Result 201 states and 209 transitions. [2020-07-11 02:29:56,641 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2020-07-11 02:29:56,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:56,642 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:56,642 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 201 states. [2020-07-11 02:29:56,642 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 201 states. [2020-07-11 02:29:56,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:29:56,648 INFO L93 Difference]: Finished difference Result 201 states and 209 transitions. [2020-07-11 02:29:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2020-07-11 02:29:56,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:29:56,649 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:29:56,649 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:29:56,649 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:29:56,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-11 02:29:56,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 140 transitions. [2020-07-11 02:29:56,652 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 140 transitions. Word has length 60 [2020-07-11 02:29:56,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:29:56,652 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 140 transitions. [2020-07-11 02:29:56,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-11 02:29:56,652 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 136 states and 140 transitions. [2020-07-11 02:29:57,186 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 140 edges. 140 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2020-07-11 02:29:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-11 02:29:57,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:29:57,188 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:29:57,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-11 02:29:57,189 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:29:57,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:29:57,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1555133305, now seen corresponding path program 1 times [2020-07-11 02:29:57,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:29:57,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611734432] [2020-07-11 02:29:57,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:29:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:29:57,339 INFO L280 TraceCheckUtils]: 0: Hoare triple {12831#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {12821#true} is VALID [2020-07-11 02:29:57,339 INFO L280 TraceCheckUtils]: 1: Hoare triple {12821#true} ~__return_334~0 := 0; {12821#true} is VALID [2020-07-11 02:29:57,339 INFO L280 TraceCheckUtils]: 2: Hoare triple {12821#true} assume true; {12821#true} is VALID [2020-07-11 02:29:57,340 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {12821#true} {12821#true} #261#return; {12821#true} is VALID [2020-07-11 02:29:57,340 INFO L263 TraceCheckUtils]: 0: Hoare triple {12821#true} call ULTIMATE.init(); {12831#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:29:57,341 INFO L280 TraceCheckUtils]: 1: Hoare triple {12831#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {12821#true} is VALID [2020-07-11 02:29:57,341 INFO L280 TraceCheckUtils]: 2: Hoare triple {12821#true} ~__return_334~0 := 0; {12821#true} is VALID [2020-07-11 02:29:57,341 INFO L280 TraceCheckUtils]: 3: Hoare triple {12821#true} assume true; {12821#true} is VALID [2020-07-11 02:29:57,341 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {12821#true} {12821#true} #261#return; {12821#true} is VALID [2020-07-11 02:29:57,341 INFO L263 TraceCheckUtils]: 5: Hoare triple {12821#true} call #t~ret3 := main(); {12821#true} is VALID [2020-07-11 02:29:57,342 INFO L280 TraceCheckUtils]: 6: Hoare triple {12821#true} havoc ~main__len~0; {12821#true} is VALID [2020-07-11 02:29:57,342 INFO L280 TraceCheckUtils]: 7: Hoare triple {12821#true} havoc ~main__i~0; {12821#true} is VALID [2020-07-11 02:29:57,342 INFO L280 TraceCheckUtils]: 8: Hoare triple {12821#true} havoc ~main__j~0; {12821#true} is VALID [2020-07-11 02:29:57,342 INFO L280 TraceCheckUtils]: 9: Hoare triple {12821#true} havoc ~main__bufsize~0; {12821#true} is VALID [2020-07-11 02:29:57,342 INFO L280 TraceCheckUtils]: 10: Hoare triple {12821#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {12821#true} is VALID [2020-07-11 02:29:57,343 INFO L280 TraceCheckUtils]: 11: Hoare triple {12821#true} ~main__bufsize~0 := #t~nondet0; {12821#true} is VALID [2020-07-11 02:29:57,343 INFO L280 TraceCheckUtils]: 12: Hoare triple {12821#true} havoc #t~nondet0; {12821#true} is VALID [2020-07-11 02:29:57,343 INFO L280 TraceCheckUtils]: 13: Hoare triple {12821#true} assume !(~main__bufsize~0 < 0); {12821#true} is VALID [2020-07-11 02:29:57,343 INFO L280 TraceCheckUtils]: 14: Hoare triple {12821#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {12821#true} is VALID [2020-07-11 02:29:57,343 INFO L280 TraceCheckUtils]: 15: Hoare triple {12821#true} ~main__len~0 := #t~nondet1; {12821#true} is VALID [2020-07-11 02:29:57,343 INFO L280 TraceCheckUtils]: 16: Hoare triple {12821#true} havoc #t~nondet1; {12821#true} is VALID [2020-07-11 02:29:57,344 INFO L280 TraceCheckUtils]: 17: Hoare triple {12821#true} ~main__limit~0 := ~main__bufsize~0 - 4; {12821#true} is VALID [2020-07-11 02:29:57,344 INFO L280 TraceCheckUtils]: 18: Hoare triple {12821#true} ~main__i~0 := 0; {12821#true} is VALID [2020-07-11 02:29:57,344 INFO L280 TraceCheckUtils]: 19: Hoare triple {12821#true} assume ~main__i~0 < ~main__len~0; {12821#true} is VALID [2020-07-11 02:29:57,344 INFO L280 TraceCheckUtils]: 20: Hoare triple {12821#true} ~main__j~0 := 0; {12821#true} is VALID [2020-07-11 02:29:57,344 INFO L280 TraceCheckUtils]: 21: Hoare triple {12821#true} assume ~main__i~0 < ~main__len~0; {12821#true} is VALID [2020-07-11 02:29:57,345 INFO L280 TraceCheckUtils]: 22: Hoare triple {12821#true} assume ~main__j~0 < ~main__limit~0; {12821#true} is VALID [2020-07-11 02:29:57,346 INFO L280 TraceCheckUtils]: 23: Hoare triple {12821#true} assume 1 + ~main__i~0 < ~main__len~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,347 INFO L280 TraceCheckUtils]: 24: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__tmp_1~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,348 INFO L280 TraceCheckUtils]: 25: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,349 INFO L280 TraceCheckUtils]: 26: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,350 INFO L280 TraceCheckUtils]: 27: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,351 INFO L280 TraceCheckUtils]: 28: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,352 INFO L280 TraceCheckUtils]: 29: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__tmp_2~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,353 INFO L280 TraceCheckUtils]: 30: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,354 INFO L280 TraceCheckUtils]: 31: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~1; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,355 INFO L280 TraceCheckUtils]: 32: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,356 INFO L280 TraceCheckUtils]: 33: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,357 INFO L280 TraceCheckUtils]: 34: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~main____CPAchecker_TMP_0~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,357 INFO L280 TraceCheckUtils]: 35: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,358 INFO L280 TraceCheckUtils]: 36: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,358 INFO L280 TraceCheckUtils]: 37: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc #t~nondet2; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,359 INFO L280 TraceCheckUtils]: 38: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,359 INFO L280 TraceCheckUtils]: 39: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__tmp_7~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,360 INFO L280 TraceCheckUtils]: 40: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,361 INFO L280 TraceCheckUtils]: 41: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~6; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,361 INFO L280 TraceCheckUtils]: 42: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,362 INFO L280 TraceCheckUtils]: 43: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,362 INFO L280 TraceCheckUtils]: 44: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__tmp_8~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,363 INFO L280 TraceCheckUtils]: 45: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,364 INFO L280 TraceCheckUtils]: 46: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~7; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,364 INFO L280 TraceCheckUtils]: 47: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,365 INFO L280 TraceCheckUtils]: 48: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,365 INFO L280 TraceCheckUtils]: 49: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__tmp_9~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,366 INFO L280 TraceCheckUtils]: 50: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,366 INFO L280 TraceCheckUtils]: 51: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~8; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,367 INFO L280 TraceCheckUtils]: 52: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,367 INFO L280 TraceCheckUtils]: 53: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,368 INFO L280 TraceCheckUtils]: 54: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__tmp_10~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,368 INFO L280 TraceCheckUtils]: 55: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,369 INFO L280 TraceCheckUtils]: 56: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} havoc ~__VERIFIER_assert__cond~9; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,370 INFO L280 TraceCheckUtils]: 57: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,370 INFO L280 TraceCheckUtils]: 58: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,371 INFO L280 TraceCheckUtils]: 59: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,371 INFO L280 TraceCheckUtils]: 60: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~main__j~0 := 1 + ~main__j~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,372 INFO L280 TraceCheckUtils]: 61: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} is VALID [2020-07-11 02:29:57,373 INFO L280 TraceCheckUtils]: 62: Hoare triple {12827#(<= (+ main_~main__i~0 2) main_~main__len~0)} ~main__i~0 := 1 + ~main__i~0; {12828#(<= (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-11 02:29:57,373 INFO L280 TraceCheckUtils]: 63: Hoare triple {12828#(<= (+ main_~main__i~0 1) main_~main__len~0)} havoc ~__tmp_11~0; {12828#(<= (+ main_~main__i~0 1) main_~main__len~0)} is VALID [2020-07-11 02:29:57,374 INFO L280 TraceCheckUtils]: 64: Hoare triple {12828#(<= (+ main_~main__i~0 1) main_~main__len~0)} ~__tmp_11~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {12829#(not (= 0 main_~__tmp_11~0))} is VALID [2020-07-11 02:29:57,375 INFO L280 TraceCheckUtils]: 65: Hoare triple {12829#(not (= 0 main_~__tmp_11~0))} havoc ~__VERIFIER_assert__cond~10; {12829#(not (= 0 main_~__tmp_11~0))} is VALID [2020-07-11 02:29:57,375 INFO L280 TraceCheckUtils]: 66: Hoare triple {12829#(not (= 0 main_~__tmp_11~0))} ~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {12830#(not (= main_~__VERIFIER_assert__cond~10 0))} is VALID [2020-07-11 02:29:57,376 INFO L280 TraceCheckUtils]: 67: Hoare triple {12830#(not (= main_~__VERIFIER_assert__cond~10 0))} assume 0 == ~__VERIFIER_assert__cond~10; {12822#false} is VALID [2020-07-11 02:29:57,376 INFO L280 TraceCheckUtils]: 68: Hoare triple {12822#false} assume !false; {12822#false} is VALID [2020-07-11 02:29:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:29:57,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611734432] [2020-07-11 02:29:57,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:29:57,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-11 02:29:57,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122253711] [2020-07-11 02:29:57,383 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-11 02:29:57,383 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:29:57,384 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 02:29:57,458 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:29:57,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 02:29:57,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:29:57,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 02:29:57,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-11 02:29:57,460 INFO L87 Difference]: Start difference. First operand 136 states and 140 transitions. Second operand 7 states. [2020-07-11 02:30:02,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:02,080 INFO L93 Difference]: Finished difference Result 375 states and 390 transitions. [2020-07-11 02:30:02,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-11 02:30:02,080 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-11 02:30:02,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:30:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 02:30:02,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 387 transitions. [2020-07-11 02:30:02,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 02:30:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 387 transitions. [2020-07-11 02:30:02,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 387 transitions. [2020-07-11 02:30:02,603 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 387 edges. 387 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:02,609 INFO L225 Difference]: With dead ends: 375 [2020-07-11 02:30:02,609 INFO L226 Difference]: Without dead ends: 258 [2020-07-11 02:30:02,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-07-11 02:30:02,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-07-11 02:30:04,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 158. [2020-07-11 02:30:04,423 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:30:04,423 INFO L82 GeneralOperation]: Start isEquivalent. First operand 258 states. Second operand 158 states. [2020-07-11 02:30:04,423 INFO L74 IsIncluded]: Start isIncluded. First operand 258 states. Second operand 158 states. [2020-07-11 02:30:04,423 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 158 states. [2020-07-11 02:30:04,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:04,430 INFO L93 Difference]: Finished difference Result 258 states and 266 transitions. [2020-07-11 02:30:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 266 transitions. [2020-07-11 02:30:04,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:04,431 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:30:04,431 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 258 states. [2020-07-11 02:30:04,431 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 258 states. [2020-07-11 02:30:04,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:04,436 INFO L93 Difference]: Finished difference Result 258 states and 266 transitions. [2020-07-11 02:30:04,437 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 266 transitions. [2020-07-11 02:30:04,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:04,437 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:30:04,438 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:30:04,438 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:30:04,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-11 02:30:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 162 transitions. [2020-07-11 02:30:04,441 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 162 transitions. Word has length 69 [2020-07-11 02:30:04,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:30:04,441 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 162 transitions. [2020-07-11 02:30:04,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 02:30:04,441 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 158 states and 162 transitions. [2020-07-11 02:30:05,132 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 162 edges. 162 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:05,133 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 162 transitions. [2020-07-11 02:30:05,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-11 02:30:05,134 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:30:05,134 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:30:05,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-11 02:30:05,135 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:30:05,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:30:05,136 INFO L82 PathProgramCache]: Analyzing trace with hash -623432219, now seen corresponding path program 1 times [2020-07-11 02:30:05,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:30:05,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068814362] [2020-07-11 02:30:05,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:30:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:30:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:30:05,253 INFO L280 TraceCheckUtils]: 0: Hoare triple {14442#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {14432#true} is VALID [2020-07-11 02:30:05,253 INFO L280 TraceCheckUtils]: 1: Hoare triple {14432#true} ~__return_334~0 := 0; {14432#true} is VALID [2020-07-11 02:30:05,253 INFO L280 TraceCheckUtils]: 2: Hoare triple {14432#true} assume true; {14432#true} is VALID [2020-07-11 02:30:05,254 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {14432#true} {14432#true} #261#return; {14432#true} is VALID [2020-07-11 02:30:05,255 INFO L263 TraceCheckUtils]: 0: Hoare triple {14432#true} call ULTIMATE.init(); {14442#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:30:05,255 INFO L280 TraceCheckUtils]: 1: Hoare triple {14442#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {14432#true} is VALID [2020-07-11 02:30:05,256 INFO L280 TraceCheckUtils]: 2: Hoare triple {14432#true} ~__return_334~0 := 0; {14432#true} is VALID [2020-07-11 02:30:05,256 INFO L280 TraceCheckUtils]: 3: Hoare triple {14432#true} assume true; {14432#true} is VALID [2020-07-11 02:30:05,256 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {14432#true} {14432#true} #261#return; {14432#true} is VALID [2020-07-11 02:30:05,257 INFO L263 TraceCheckUtils]: 5: Hoare triple {14432#true} call #t~ret3 := main(); {14432#true} is VALID [2020-07-11 02:30:05,257 INFO L280 TraceCheckUtils]: 6: Hoare triple {14432#true} havoc ~main__len~0; {14432#true} is VALID [2020-07-11 02:30:05,257 INFO L280 TraceCheckUtils]: 7: Hoare triple {14432#true} havoc ~main__i~0; {14432#true} is VALID [2020-07-11 02:30:05,258 INFO L280 TraceCheckUtils]: 8: Hoare triple {14432#true} havoc ~main__j~0; {14432#true} is VALID [2020-07-11 02:30:05,258 INFO L280 TraceCheckUtils]: 9: Hoare triple {14432#true} havoc ~main__bufsize~0; {14432#true} is VALID [2020-07-11 02:30:05,258 INFO L280 TraceCheckUtils]: 10: Hoare triple {14432#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {14432#true} is VALID [2020-07-11 02:30:05,258 INFO L280 TraceCheckUtils]: 11: Hoare triple {14432#true} ~main__bufsize~0 := #t~nondet0; {14432#true} is VALID [2020-07-11 02:30:05,259 INFO L280 TraceCheckUtils]: 12: Hoare triple {14432#true} havoc #t~nondet0; {14432#true} is VALID [2020-07-11 02:30:05,259 INFO L280 TraceCheckUtils]: 13: Hoare triple {14432#true} assume !(~main__bufsize~0 < 0); {14432#true} is VALID [2020-07-11 02:30:05,259 INFO L280 TraceCheckUtils]: 14: Hoare triple {14432#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {14432#true} is VALID [2020-07-11 02:30:05,260 INFO L280 TraceCheckUtils]: 15: Hoare triple {14432#true} ~main__len~0 := #t~nondet1; {14432#true} is VALID [2020-07-11 02:30:05,260 INFO L280 TraceCheckUtils]: 16: Hoare triple {14432#true} havoc #t~nondet1; {14432#true} is VALID [2020-07-11 02:30:05,260 INFO L280 TraceCheckUtils]: 17: Hoare triple {14432#true} ~main__limit~0 := ~main__bufsize~0 - 4; {14432#true} is VALID [2020-07-11 02:30:05,262 INFO L280 TraceCheckUtils]: 18: Hoare triple {14432#true} ~main__i~0 := 0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,263 INFO L280 TraceCheckUtils]: 19: Hoare triple {14438#(<= 0 main_~main__i~0)} assume ~main__i~0 < ~main__len~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,263 INFO L280 TraceCheckUtils]: 20: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main__j~0 := 0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,264 INFO L280 TraceCheckUtils]: 21: Hoare triple {14438#(<= 0 main_~main__i~0)} assume ~main__i~0 < ~main__len~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,264 INFO L280 TraceCheckUtils]: 22: Hoare triple {14438#(<= 0 main_~main__i~0)} assume ~main__j~0 < ~main__limit~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,265 INFO L280 TraceCheckUtils]: 23: Hoare triple {14438#(<= 0 main_~main__i~0)} assume 1 + ~main__i~0 < ~main__len~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,266 INFO L280 TraceCheckUtils]: 24: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_1~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,266 INFO L280 TraceCheckUtils]: 25: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,267 INFO L280 TraceCheckUtils]: 26: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,267 INFO L280 TraceCheckUtils]: 27: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,268 INFO L280 TraceCheckUtils]: 28: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,268 INFO L280 TraceCheckUtils]: 29: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_2~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,269 INFO L280 TraceCheckUtils]: 30: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,269 INFO L280 TraceCheckUtils]: 31: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~1; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,270 INFO L280 TraceCheckUtils]: 32: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,270 INFO L280 TraceCheckUtils]: 33: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,273 INFO L280 TraceCheckUtils]: 34: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~main____CPAchecker_TMP_0~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,273 INFO L280 TraceCheckUtils]: 35: Hoare triple {14438#(<= 0 main_~main__i~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,274 INFO L280 TraceCheckUtils]: 36: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,275 INFO L280 TraceCheckUtils]: 37: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc #t~nondet2; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,275 INFO L280 TraceCheckUtils]: 38: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,276 INFO L280 TraceCheckUtils]: 39: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_7~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,277 INFO L280 TraceCheckUtils]: 40: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,277 INFO L280 TraceCheckUtils]: 41: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~6; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,278 INFO L280 TraceCheckUtils]: 42: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,279 INFO L280 TraceCheckUtils]: 43: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,279 INFO L280 TraceCheckUtils]: 44: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_8~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,280 INFO L280 TraceCheckUtils]: 45: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,280 INFO L280 TraceCheckUtils]: 46: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~7; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,281 INFO L280 TraceCheckUtils]: 47: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,283 INFO L280 TraceCheckUtils]: 48: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,283 INFO L280 TraceCheckUtils]: 49: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_9~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,284 INFO L280 TraceCheckUtils]: 50: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,284 INFO L280 TraceCheckUtils]: 51: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~8; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,285 INFO L280 TraceCheckUtils]: 52: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,286 INFO L280 TraceCheckUtils]: 53: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,286 INFO L280 TraceCheckUtils]: 54: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__tmp_10~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,287 INFO L280 TraceCheckUtils]: 55: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,288 INFO L280 TraceCheckUtils]: 56: Hoare triple {14438#(<= 0 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~9; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,288 INFO L280 TraceCheckUtils]: 57: Hoare triple {14438#(<= 0 main_~main__i~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,289 INFO L280 TraceCheckUtils]: 58: Hoare triple {14438#(<= 0 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,290 INFO L280 TraceCheckUtils]: 59: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,291 INFO L280 TraceCheckUtils]: 60: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main__j~0 := 1 + ~main__j~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,291 INFO L280 TraceCheckUtils]: 61: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {14438#(<= 0 main_~main__i~0)} is VALID [2020-07-11 02:30:05,292 INFO L280 TraceCheckUtils]: 62: Hoare triple {14438#(<= 0 main_~main__i~0)} ~main__i~0 := 1 + ~main__i~0; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-11 02:30:05,293 INFO L280 TraceCheckUtils]: 63: Hoare triple {14439#(<= 1 main_~main__i~0)} havoc ~__tmp_11~0; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-11 02:30:05,294 INFO L280 TraceCheckUtils]: 64: Hoare triple {14439#(<= 1 main_~main__i~0)} ~__tmp_11~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-11 02:30:05,295 INFO L280 TraceCheckUtils]: 65: Hoare triple {14439#(<= 1 main_~main__i~0)} havoc ~__VERIFIER_assert__cond~10; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-11 02:30:05,295 INFO L280 TraceCheckUtils]: 66: Hoare triple {14439#(<= 1 main_~main__i~0)} ~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-11 02:30:05,296 INFO L280 TraceCheckUtils]: 67: Hoare triple {14439#(<= 1 main_~main__i~0)} assume !(0 == ~__VERIFIER_assert__cond~10); {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-11 02:30:05,297 INFO L280 TraceCheckUtils]: 68: Hoare triple {14439#(<= 1 main_~main__i~0)} havoc ~__tmp_12~0; {14439#(<= 1 main_~main__i~0)} is VALID [2020-07-11 02:30:05,298 INFO L280 TraceCheckUtils]: 69: Hoare triple {14439#(<= 1 main_~main__i~0)} ~__tmp_12~0 := (if 0 <= ~main__i~0 then 1 else 0); {14440#(not (= 0 main_~__tmp_12~0))} is VALID [2020-07-11 02:30:05,298 INFO L280 TraceCheckUtils]: 70: Hoare triple {14440#(not (= 0 main_~__tmp_12~0))} havoc ~__VERIFIER_assert__cond~11; {14440#(not (= 0 main_~__tmp_12~0))} is VALID [2020-07-11 02:30:05,299 INFO L280 TraceCheckUtils]: 71: Hoare triple {14440#(not (= 0 main_~__tmp_12~0))} ~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {14441#(not (= main_~__VERIFIER_assert__cond~11 0))} is VALID [2020-07-11 02:30:05,299 INFO L280 TraceCheckUtils]: 72: Hoare triple {14441#(not (= main_~__VERIFIER_assert__cond~11 0))} assume 0 == ~__VERIFIER_assert__cond~11; {14433#false} is VALID [2020-07-11 02:30:05,299 INFO L280 TraceCheckUtils]: 73: Hoare triple {14433#false} assume !false; {14433#false} is VALID [2020-07-11 02:30:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:30:05,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068814362] [2020-07-11 02:30:05,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:30:05,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-11 02:30:05,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051761231] [2020-07-11 02:30:05,308 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-11 02:30:05,309 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:30:05,309 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 02:30:05,394 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:05,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 02:30:05,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:30:05,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 02:30:05,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-11 02:30:05,395 INFO L87 Difference]: Start difference. First operand 158 states and 162 transitions. Second operand 7 states. [2020-07-11 02:30:10,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:10,950 INFO L93 Difference]: Finished difference Result 351 states and 362 transitions. [2020-07-11 02:30:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-11 02:30:10,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-11 02:30:10,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:30:10,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 02:30:10,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 288 transitions. [2020-07-11 02:30:10,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 02:30:10,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 288 transitions. [2020-07-11 02:30:10,954 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 288 transitions. [2020-07-11 02:30:11,340 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 288 edges. 288 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:11,348 INFO L225 Difference]: With dead ends: 351 [2020-07-11 02:30:11,348 INFO L226 Difference]: Without dead ends: 349 [2020-07-11 02:30:11,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-07-11 02:30:11,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-07-11 02:30:13,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 156. [2020-07-11 02:30:13,089 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:30:13,089 INFO L82 GeneralOperation]: Start isEquivalent. First operand 349 states. Second operand 156 states. [2020-07-11 02:30:13,089 INFO L74 IsIncluded]: Start isIncluded. First operand 349 states. Second operand 156 states. [2020-07-11 02:30:13,090 INFO L87 Difference]: Start difference. First operand 349 states. Second operand 156 states. [2020-07-11 02:30:13,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:13,098 INFO L93 Difference]: Finished difference Result 349 states and 360 transitions. [2020-07-11 02:30:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 360 transitions. [2020-07-11 02:30:13,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:13,099 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:30:13,099 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand 349 states. [2020-07-11 02:30:13,099 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 349 states. [2020-07-11 02:30:13,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:13,105 INFO L93 Difference]: Finished difference Result 349 states and 360 transitions. [2020-07-11 02:30:13,105 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 360 transitions. [2020-07-11 02:30:13,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:13,106 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:30:13,106 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:30:13,106 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:30:13,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-11 02:30:13,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 160 transitions. [2020-07-11 02:30:13,109 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 160 transitions. Word has length 74 [2020-07-11 02:30:13,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:30:13,110 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 160 transitions. [2020-07-11 02:30:13,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 02:30:13,110 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 156 states and 160 transitions. [2020-07-11 02:30:13,796 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 160 edges. 160 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:13,796 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions. [2020-07-11 02:30:13,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-11 02:30:13,797 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:30:13,798 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:30:13,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-11 02:30:13,798 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:30:13,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:30:13,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1977531324, now seen corresponding path program 1 times [2020-07-11 02:30:13,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:30:13,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700065659] [2020-07-11 02:30:13,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:30:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:30:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:30:13,916 INFO L280 TraceCheckUtils]: 0: Hoare triple {16178#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {16167#true} is VALID [2020-07-11 02:30:13,917 INFO L280 TraceCheckUtils]: 1: Hoare triple {16167#true} ~__return_334~0 := 0; {16167#true} is VALID [2020-07-11 02:30:13,917 INFO L280 TraceCheckUtils]: 2: Hoare triple {16167#true} assume true; {16167#true} is VALID [2020-07-11 02:30:13,917 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {16167#true} {16167#true} #261#return; {16167#true} is VALID [2020-07-11 02:30:13,918 INFO L263 TraceCheckUtils]: 0: Hoare triple {16167#true} call ULTIMATE.init(); {16178#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:30:13,918 INFO L280 TraceCheckUtils]: 1: Hoare triple {16178#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {16167#true} is VALID [2020-07-11 02:30:13,918 INFO L280 TraceCheckUtils]: 2: Hoare triple {16167#true} ~__return_334~0 := 0; {16167#true} is VALID [2020-07-11 02:30:13,918 INFO L280 TraceCheckUtils]: 3: Hoare triple {16167#true} assume true; {16167#true} is VALID [2020-07-11 02:30:13,918 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {16167#true} {16167#true} #261#return; {16167#true} is VALID [2020-07-11 02:30:13,919 INFO L263 TraceCheckUtils]: 5: Hoare triple {16167#true} call #t~ret3 := main(); {16167#true} is VALID [2020-07-11 02:30:13,919 INFO L280 TraceCheckUtils]: 6: Hoare triple {16167#true} havoc ~main__len~0; {16167#true} is VALID [2020-07-11 02:30:13,919 INFO L280 TraceCheckUtils]: 7: Hoare triple {16167#true} havoc ~main__i~0; {16167#true} is VALID [2020-07-11 02:30:13,919 INFO L280 TraceCheckUtils]: 8: Hoare triple {16167#true} havoc ~main__j~0; {16167#true} is VALID [2020-07-11 02:30:13,919 INFO L280 TraceCheckUtils]: 9: Hoare triple {16167#true} havoc ~main__bufsize~0; {16167#true} is VALID [2020-07-11 02:30:13,919 INFO L280 TraceCheckUtils]: 10: Hoare triple {16167#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {16167#true} is VALID [2020-07-11 02:30:13,919 INFO L280 TraceCheckUtils]: 11: Hoare triple {16167#true} ~main__bufsize~0 := #t~nondet0; {16167#true} is VALID [2020-07-11 02:30:13,920 INFO L280 TraceCheckUtils]: 12: Hoare triple {16167#true} havoc #t~nondet0; {16167#true} is VALID [2020-07-11 02:30:13,920 INFO L280 TraceCheckUtils]: 13: Hoare triple {16167#true} assume !(~main__bufsize~0 < 0); {16167#true} is VALID [2020-07-11 02:30:13,920 INFO L280 TraceCheckUtils]: 14: Hoare triple {16167#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {16167#true} is VALID [2020-07-11 02:30:13,920 INFO L280 TraceCheckUtils]: 15: Hoare triple {16167#true} ~main__len~0 := #t~nondet1; {16167#true} is VALID [2020-07-11 02:30:13,920 INFO L280 TraceCheckUtils]: 16: Hoare triple {16167#true} havoc #t~nondet1; {16167#true} is VALID [2020-07-11 02:30:13,921 INFO L280 TraceCheckUtils]: 17: Hoare triple {16167#true} ~main__limit~0 := ~main__bufsize~0 - 4; {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,922 INFO L280 TraceCheckUtils]: 18: Hoare triple {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__i~0 := 0; {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,922 INFO L280 TraceCheckUtils]: 19: Hoare triple {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,923 INFO L280 TraceCheckUtils]: 20: Hoare triple {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__j~0 := 0; {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,923 INFO L280 TraceCheckUtils]: 21: Hoare triple {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,924 INFO L280 TraceCheckUtils]: 22: Hoare triple {16173#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__j~0 < ~main__limit~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,925 INFO L280 TraceCheckUtils]: 23: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume 1 + ~main__i~0 < ~main__len~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,925 INFO L280 TraceCheckUtils]: 24: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_1~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,926 INFO L280 TraceCheckUtils]: 25: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,926 INFO L280 TraceCheckUtils]: 26: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,927 INFO L280 TraceCheckUtils]: 27: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,927 INFO L280 TraceCheckUtils]: 28: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,928 INFO L280 TraceCheckUtils]: 29: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_2~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,928 INFO L280 TraceCheckUtils]: 30: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,929 INFO L280 TraceCheckUtils]: 31: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~1; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,929 INFO L280 TraceCheckUtils]: 32: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,930 INFO L280 TraceCheckUtils]: 33: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,930 INFO L280 TraceCheckUtils]: 34: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~main____CPAchecker_TMP_0~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,931 INFO L280 TraceCheckUtils]: 35: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,931 INFO L280 TraceCheckUtils]: 36: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,932 INFO L280 TraceCheckUtils]: 37: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc #t~nondet2; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,932 INFO L280 TraceCheckUtils]: 38: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,933 INFO L280 TraceCheckUtils]: 39: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_7~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,933 INFO L280 TraceCheckUtils]: 40: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,934 INFO L280 TraceCheckUtils]: 41: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~6; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,934 INFO L280 TraceCheckUtils]: 42: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,935 INFO L280 TraceCheckUtils]: 43: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,935 INFO L280 TraceCheckUtils]: 44: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_8~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,936 INFO L280 TraceCheckUtils]: 45: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,936 INFO L280 TraceCheckUtils]: 46: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~7; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,937 INFO L280 TraceCheckUtils]: 47: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,937 INFO L280 TraceCheckUtils]: 48: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,938 INFO L280 TraceCheckUtils]: 49: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_9~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,939 INFO L280 TraceCheckUtils]: 50: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,940 INFO L280 TraceCheckUtils]: 51: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~8; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,940 INFO L280 TraceCheckUtils]: 52: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,941 INFO L280 TraceCheckUtils]: 53: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,942 INFO L280 TraceCheckUtils]: 54: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_10~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,943 INFO L280 TraceCheckUtils]: 55: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,943 INFO L280 TraceCheckUtils]: 56: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~9; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,944 INFO L280 TraceCheckUtils]: 57: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,945 INFO L280 TraceCheckUtils]: 58: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,946 INFO L280 TraceCheckUtils]: 59: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,947 INFO L280 TraceCheckUtils]: 60: Hoare triple {16174#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main__j~0 := 1 + ~main__j~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,948 INFO L280 TraceCheckUtils]: 61: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,948 INFO L280 TraceCheckUtils]: 62: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~main__i~0 := 1 + ~main__i~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,949 INFO L280 TraceCheckUtils]: 63: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_11~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,950 INFO L280 TraceCheckUtils]: 64: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_11~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,950 INFO L280 TraceCheckUtils]: 65: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~10; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,951 INFO L280 TraceCheckUtils]: 66: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,952 INFO L280 TraceCheckUtils]: 67: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~10); {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,952 INFO L280 TraceCheckUtils]: 68: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_12~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,953 INFO L280 TraceCheckUtils]: 69: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_12~0 := (if 0 <= ~main__i~0 then 1 else 0); {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,954 INFO L280 TraceCheckUtils]: 70: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~11; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,955 INFO L280 TraceCheckUtils]: 71: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,956 INFO L280 TraceCheckUtils]: 72: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~11); {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,968 INFO L280 TraceCheckUtils]: 73: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_13~0; {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:13,969 INFO L280 TraceCheckUtils]: 74: Hoare triple {16175#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_13~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {16176#(not (= 0 main_~__tmp_13~0))} is VALID [2020-07-11 02:30:13,970 INFO L280 TraceCheckUtils]: 75: Hoare triple {16176#(not (= 0 main_~__tmp_13~0))} havoc ~__VERIFIER_assert__cond~12; {16176#(not (= 0 main_~__tmp_13~0))} is VALID [2020-07-11 02:30:13,970 INFO L280 TraceCheckUtils]: 76: Hoare triple {16176#(not (= 0 main_~__tmp_13~0))} ~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {16177#(not (= main_~__VERIFIER_assert__cond~12 0))} is VALID [2020-07-11 02:30:13,971 INFO L280 TraceCheckUtils]: 77: Hoare triple {16177#(not (= main_~__VERIFIER_assert__cond~12 0))} assume 0 == ~__VERIFIER_assert__cond~12; {16168#false} is VALID [2020-07-11 02:30:13,971 INFO L280 TraceCheckUtils]: 78: Hoare triple {16168#false} assume !false; {16168#false} is VALID [2020-07-11 02:30:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:30:13,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700065659] [2020-07-11 02:30:13,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:30:13,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-11 02:30:13,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904608375] [2020-07-11 02:30:13,981 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-11 02:30:13,981 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:30:13,981 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 02:30:14,079 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:14,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 02:30:14,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:30:14,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 02:30:14,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-11 02:30:14,081 INFO L87 Difference]: Start difference. First operand 156 states and 160 transitions. Second operand 8 states. [2020-07-11 02:30:18,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:18,790 INFO L93 Difference]: Finished difference Result 271 states and 282 transitions. [2020-07-11 02:30:18,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-11 02:30:18,790 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-11 02:30:18,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:30:18,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 02:30:18,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 231 transitions. [2020-07-11 02:30:18,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 02:30:18,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 231 transitions. [2020-07-11 02:30:18,793 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 231 transitions. [2020-07-11 02:30:19,130 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:19,135 INFO L225 Difference]: With dead ends: 271 [2020-07-11 02:30:19,135 INFO L226 Difference]: Without dead ends: 269 [2020-07-11 02:30:19,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2020-07-11 02:30:19,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-11 02:30:20,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 154. [2020-07-11 02:30:20,934 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:30:20,934 INFO L82 GeneralOperation]: Start isEquivalent. First operand 269 states. Second operand 154 states. [2020-07-11 02:30:20,935 INFO L74 IsIncluded]: Start isIncluded. First operand 269 states. Second operand 154 states. [2020-07-11 02:30:20,935 INFO L87 Difference]: Start difference. First operand 269 states. Second operand 154 states. [2020-07-11 02:30:20,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:20,940 INFO L93 Difference]: Finished difference Result 269 states and 280 transitions. [2020-07-11 02:30:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 280 transitions. [2020-07-11 02:30:20,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:20,941 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:30:20,941 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 269 states. [2020-07-11 02:30:20,941 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 269 states. [2020-07-11 02:30:20,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:20,947 INFO L93 Difference]: Finished difference Result 269 states and 280 transitions. [2020-07-11 02:30:20,947 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 280 transitions. [2020-07-11 02:30:20,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:20,947 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:30:20,947 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:30:20,947 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:30:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-11 02:30:20,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2020-07-11 02:30:20,949 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 79 [2020-07-11 02:30:20,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:30:20,949 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2020-07-11 02:30:20,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 02:30:20,950 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 158 transitions. [2020-07-11 02:30:21,689 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 158 edges. 158 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2020-07-11 02:30:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-11 02:30:21,690 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:30:21,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:30:21,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-11 02:30:21,690 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:30:21,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:30:21,691 INFO L82 PathProgramCache]: Analyzing trace with hash 108101264, now seen corresponding path program 1 times [2020-07-11 02:30:21,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:30:21,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712783556] [2020-07-11 02:30:21,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:30:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:30:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:30:21,796 INFO L280 TraceCheckUtils]: 0: Hoare triple {17595#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {17585#true} is VALID [2020-07-11 02:30:21,796 INFO L280 TraceCheckUtils]: 1: Hoare triple {17585#true} ~__return_334~0 := 0; {17585#true} is VALID [2020-07-11 02:30:21,796 INFO L280 TraceCheckUtils]: 2: Hoare triple {17585#true} assume true; {17585#true} is VALID [2020-07-11 02:30:21,796 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {17585#true} {17585#true} #261#return; {17585#true} is VALID [2020-07-11 02:30:21,797 INFO L263 TraceCheckUtils]: 0: Hoare triple {17585#true} call ULTIMATE.init(); {17595#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:30:21,798 INFO L280 TraceCheckUtils]: 1: Hoare triple {17595#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {17585#true} is VALID [2020-07-11 02:30:21,798 INFO L280 TraceCheckUtils]: 2: Hoare triple {17585#true} ~__return_334~0 := 0; {17585#true} is VALID [2020-07-11 02:30:21,798 INFO L280 TraceCheckUtils]: 3: Hoare triple {17585#true} assume true; {17585#true} is VALID [2020-07-11 02:30:21,798 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {17585#true} {17585#true} #261#return; {17585#true} is VALID [2020-07-11 02:30:21,799 INFO L263 TraceCheckUtils]: 5: Hoare triple {17585#true} call #t~ret3 := main(); {17585#true} is VALID [2020-07-11 02:30:21,799 INFO L280 TraceCheckUtils]: 6: Hoare triple {17585#true} havoc ~main__len~0; {17585#true} is VALID [2020-07-11 02:30:21,799 INFO L280 TraceCheckUtils]: 7: Hoare triple {17585#true} havoc ~main__i~0; {17585#true} is VALID [2020-07-11 02:30:21,799 INFO L280 TraceCheckUtils]: 8: Hoare triple {17585#true} havoc ~main__j~0; {17585#true} is VALID [2020-07-11 02:30:21,799 INFO L280 TraceCheckUtils]: 9: Hoare triple {17585#true} havoc ~main__bufsize~0; {17585#true} is VALID [2020-07-11 02:30:21,800 INFO L280 TraceCheckUtils]: 10: Hoare triple {17585#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {17585#true} is VALID [2020-07-11 02:30:21,800 INFO L280 TraceCheckUtils]: 11: Hoare triple {17585#true} ~main__bufsize~0 := #t~nondet0; {17585#true} is VALID [2020-07-11 02:30:21,800 INFO L280 TraceCheckUtils]: 12: Hoare triple {17585#true} havoc #t~nondet0; {17585#true} is VALID [2020-07-11 02:30:21,800 INFO L280 TraceCheckUtils]: 13: Hoare triple {17585#true} assume !(~main__bufsize~0 < 0); {17585#true} is VALID [2020-07-11 02:30:21,800 INFO L280 TraceCheckUtils]: 14: Hoare triple {17585#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {17585#true} is VALID [2020-07-11 02:30:21,801 INFO L280 TraceCheckUtils]: 15: Hoare triple {17585#true} ~main__len~0 := #t~nondet1; {17585#true} is VALID [2020-07-11 02:30:21,801 INFO L280 TraceCheckUtils]: 16: Hoare triple {17585#true} havoc #t~nondet1; {17585#true} is VALID [2020-07-11 02:30:21,801 INFO L280 TraceCheckUtils]: 17: Hoare triple {17585#true} ~main__limit~0 := ~main__bufsize~0 - 4; {17585#true} is VALID [2020-07-11 02:30:21,801 INFO L280 TraceCheckUtils]: 18: Hoare triple {17585#true} ~main__i~0 := 0; {17585#true} is VALID [2020-07-11 02:30:21,801 INFO L280 TraceCheckUtils]: 19: Hoare triple {17585#true} assume ~main__i~0 < ~main__len~0; {17585#true} is VALID [2020-07-11 02:30:21,803 INFO L280 TraceCheckUtils]: 20: Hoare triple {17585#true} ~main__j~0 := 0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,803 INFO L280 TraceCheckUtils]: 21: Hoare triple {17591#(<= 0 main_~main__j~0)} assume ~main__i~0 < ~main__len~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,804 INFO L280 TraceCheckUtils]: 22: Hoare triple {17591#(<= 0 main_~main__j~0)} assume ~main__j~0 < ~main__limit~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,804 INFO L280 TraceCheckUtils]: 23: Hoare triple {17591#(<= 0 main_~main__j~0)} assume 1 + ~main__i~0 < ~main__len~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,805 INFO L280 TraceCheckUtils]: 24: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_1~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,805 INFO L280 TraceCheckUtils]: 25: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,806 INFO L280 TraceCheckUtils]: 26: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,806 INFO L280 TraceCheckUtils]: 27: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,807 INFO L280 TraceCheckUtils]: 28: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,807 INFO L280 TraceCheckUtils]: 29: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_2~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,808 INFO L280 TraceCheckUtils]: 30: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,808 INFO L280 TraceCheckUtils]: 31: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~1; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,809 INFO L280 TraceCheckUtils]: 32: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,809 INFO L280 TraceCheckUtils]: 33: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,810 INFO L280 TraceCheckUtils]: 34: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~main____CPAchecker_TMP_0~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,810 INFO L280 TraceCheckUtils]: 35: Hoare triple {17591#(<= 0 main_~main__j~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,811 INFO L280 TraceCheckUtils]: 36: Hoare triple {17591#(<= 0 main_~main__j~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,811 INFO L280 TraceCheckUtils]: 37: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc #t~nondet2; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,812 INFO L280 TraceCheckUtils]: 38: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,812 INFO L280 TraceCheckUtils]: 39: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_7~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,813 INFO L280 TraceCheckUtils]: 40: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,813 INFO L280 TraceCheckUtils]: 41: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~6; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,814 INFO L280 TraceCheckUtils]: 42: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,814 INFO L280 TraceCheckUtils]: 43: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,815 INFO L280 TraceCheckUtils]: 44: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_8~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,815 INFO L280 TraceCheckUtils]: 45: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,816 INFO L280 TraceCheckUtils]: 46: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~7; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,816 INFO L280 TraceCheckUtils]: 47: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,817 INFO L280 TraceCheckUtils]: 48: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,817 INFO L280 TraceCheckUtils]: 49: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_9~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,818 INFO L280 TraceCheckUtils]: 50: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,818 INFO L280 TraceCheckUtils]: 51: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~8; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,819 INFO L280 TraceCheckUtils]: 52: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,819 INFO L280 TraceCheckUtils]: 53: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,820 INFO L280 TraceCheckUtils]: 54: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__tmp_10~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,820 INFO L280 TraceCheckUtils]: 55: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,821 INFO L280 TraceCheckUtils]: 56: Hoare triple {17591#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~9; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,821 INFO L280 TraceCheckUtils]: 57: Hoare triple {17591#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,822 INFO L280 TraceCheckUtils]: 58: Hoare triple {17591#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,822 INFO L280 TraceCheckUtils]: 59: Hoare triple {17591#(<= 0 main_~main__j~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {17591#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:21,823 INFO L280 TraceCheckUtils]: 60: Hoare triple {17591#(<= 0 main_~main__j~0)} ~main__j~0 := 1 + ~main__j~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,824 INFO L280 TraceCheckUtils]: 61: Hoare triple {17592#(<= 1 main_~main__j~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,824 INFO L280 TraceCheckUtils]: 62: Hoare triple {17592#(<= 1 main_~main__j~0)} ~main__i~0 := 1 + ~main__i~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,825 INFO L280 TraceCheckUtils]: 63: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_11~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,825 INFO L280 TraceCheckUtils]: 64: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__tmp_11~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,826 INFO L280 TraceCheckUtils]: 65: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~10; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,826 INFO L280 TraceCheckUtils]: 66: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,827 INFO L280 TraceCheckUtils]: 67: Hoare triple {17592#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~10); {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,827 INFO L280 TraceCheckUtils]: 68: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_12~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,828 INFO L280 TraceCheckUtils]: 69: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__tmp_12~0 := (if 0 <= ~main__i~0 then 1 else 0); {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,828 INFO L280 TraceCheckUtils]: 70: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~11; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,828 INFO L280 TraceCheckUtils]: 71: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,829 INFO L280 TraceCheckUtils]: 72: Hoare triple {17592#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~11); {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,829 INFO L280 TraceCheckUtils]: 73: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_13~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,830 INFO L280 TraceCheckUtils]: 74: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__tmp_13~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,830 INFO L280 TraceCheckUtils]: 75: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~12; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,831 INFO L280 TraceCheckUtils]: 76: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,831 INFO L280 TraceCheckUtils]: 77: Hoare triple {17592#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~12); {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,832 INFO L280 TraceCheckUtils]: 78: Hoare triple {17592#(<= 1 main_~main__j~0)} havoc ~__tmp_14~0; {17592#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:21,833 INFO L280 TraceCheckUtils]: 79: Hoare triple {17592#(<= 1 main_~main__j~0)} ~__tmp_14~0 := (if 0 <= ~main__j~0 then 1 else 0); {17593#(not (= 0 main_~__tmp_14~0))} is VALID [2020-07-11 02:30:21,833 INFO L280 TraceCheckUtils]: 80: Hoare triple {17593#(not (= 0 main_~__tmp_14~0))} havoc ~__VERIFIER_assert__cond~13; {17593#(not (= 0 main_~__tmp_14~0))} is VALID [2020-07-11 02:30:21,834 INFO L280 TraceCheckUtils]: 81: Hoare triple {17593#(not (= 0 main_~__tmp_14~0))} ~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {17594#(not (= main_~__VERIFIER_assert__cond~13 0))} is VALID [2020-07-11 02:30:21,834 INFO L280 TraceCheckUtils]: 82: Hoare triple {17594#(not (= main_~__VERIFIER_assert__cond~13 0))} assume 0 == ~__VERIFIER_assert__cond~13; {17586#false} is VALID [2020-07-11 02:30:21,834 INFO L280 TraceCheckUtils]: 83: Hoare triple {17586#false} assume !false; {17586#false} is VALID [2020-07-11 02:30:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:30:21,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712783556] [2020-07-11 02:30:21,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:30:21,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-11 02:30:21,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844175685] [2020-07-11 02:30:21,842 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-07-11 02:30:21,842 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:30:21,842 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 02:30:21,941 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:21,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 02:30:21,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:30:21,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 02:30:21,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-11 02:30:21,942 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 7 states. [2020-07-11 02:30:29,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:29,497 INFO L93 Difference]: Finished difference Result 439 states and 453 transitions. [2020-07-11 02:30:29,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-11 02:30:29,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-07-11 02:30:29,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:30:29,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 02:30:29,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 359 transitions. [2020-07-11 02:30:29,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 02:30:29,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 359 transitions. [2020-07-11 02:30:29,503 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 359 transitions. [2020-07-11 02:30:30,005 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 359 edges. 359 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:30,016 INFO L225 Difference]: With dead ends: 439 [2020-07-11 02:30:30,016 INFO L226 Difference]: Without dead ends: 437 [2020-07-11 02:30:30,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-07-11 02:30:30,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-07-11 02:30:31,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 152. [2020-07-11 02:30:31,923 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:30:31,923 INFO L82 GeneralOperation]: Start isEquivalent. First operand 437 states. Second operand 152 states. [2020-07-11 02:30:31,924 INFO L74 IsIncluded]: Start isIncluded. First operand 437 states. Second operand 152 states. [2020-07-11 02:30:31,924 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 152 states. [2020-07-11 02:30:31,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:31,935 INFO L93 Difference]: Finished difference Result 437 states and 451 transitions. [2020-07-11 02:30:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 451 transitions. [2020-07-11 02:30:31,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:31,936 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:30:31,936 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 437 states. [2020-07-11 02:30:31,936 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 437 states. [2020-07-11 02:30:31,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:31,949 INFO L93 Difference]: Finished difference Result 437 states and 451 transitions. [2020-07-11 02:30:31,949 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 451 transitions. [2020-07-11 02:30:31,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:31,950 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:30:31,950 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:30:31,950 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:30:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-11 02:30:31,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2020-07-11 02:30:31,953 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 84 [2020-07-11 02:30:31,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:30:31,953 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2020-07-11 02:30:31,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 02:30:31,953 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 152 states and 156 transitions. [2020-07-11 02:30:32,780 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2020-07-11 02:30:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-11 02:30:32,782 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:30:32,782 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:30:32,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-11 02:30:32,783 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:30:32,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:30:32,783 INFO L82 PathProgramCache]: Analyzing trace with hash 274017809, now seen corresponding path program 1 times [2020-07-11 02:30:32,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:30:32,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212590236] [2020-07-11 02:30:32,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:30:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:30:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:30:32,901 INFO L280 TraceCheckUtils]: 0: Hoare triple {19682#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {19670#true} is VALID [2020-07-11 02:30:32,902 INFO L280 TraceCheckUtils]: 1: Hoare triple {19670#true} ~__return_334~0 := 0; {19670#true} is VALID [2020-07-11 02:30:32,902 INFO L280 TraceCheckUtils]: 2: Hoare triple {19670#true} assume true; {19670#true} is VALID [2020-07-11 02:30:32,902 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {19670#true} {19670#true} #261#return; {19670#true} is VALID [2020-07-11 02:30:32,903 INFO L263 TraceCheckUtils]: 0: Hoare triple {19670#true} call ULTIMATE.init(); {19682#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:30:32,904 INFO L280 TraceCheckUtils]: 1: Hoare triple {19682#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {19670#true} is VALID [2020-07-11 02:30:32,904 INFO L280 TraceCheckUtils]: 2: Hoare triple {19670#true} ~__return_334~0 := 0; {19670#true} is VALID [2020-07-11 02:30:32,904 INFO L280 TraceCheckUtils]: 3: Hoare triple {19670#true} assume true; {19670#true} is VALID [2020-07-11 02:30:32,904 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {19670#true} {19670#true} #261#return; {19670#true} is VALID [2020-07-11 02:30:32,905 INFO L263 TraceCheckUtils]: 5: Hoare triple {19670#true} call #t~ret3 := main(); {19670#true} is VALID [2020-07-11 02:30:32,905 INFO L280 TraceCheckUtils]: 6: Hoare triple {19670#true} havoc ~main__len~0; {19670#true} is VALID [2020-07-11 02:30:32,905 INFO L280 TraceCheckUtils]: 7: Hoare triple {19670#true} havoc ~main__i~0; {19670#true} is VALID [2020-07-11 02:30:32,905 INFO L280 TraceCheckUtils]: 8: Hoare triple {19670#true} havoc ~main__j~0; {19670#true} is VALID [2020-07-11 02:30:32,905 INFO L280 TraceCheckUtils]: 9: Hoare triple {19670#true} havoc ~main__bufsize~0; {19670#true} is VALID [2020-07-11 02:30:32,906 INFO L280 TraceCheckUtils]: 10: Hoare triple {19670#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {19670#true} is VALID [2020-07-11 02:30:32,906 INFO L280 TraceCheckUtils]: 11: Hoare triple {19670#true} ~main__bufsize~0 := #t~nondet0; {19670#true} is VALID [2020-07-11 02:30:32,906 INFO L280 TraceCheckUtils]: 12: Hoare triple {19670#true} havoc #t~nondet0; {19670#true} is VALID [2020-07-11 02:30:32,906 INFO L280 TraceCheckUtils]: 13: Hoare triple {19670#true} assume !(~main__bufsize~0 < 0); {19670#true} is VALID [2020-07-11 02:30:32,906 INFO L280 TraceCheckUtils]: 14: Hoare triple {19670#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {19670#true} is VALID [2020-07-11 02:30:32,907 INFO L280 TraceCheckUtils]: 15: Hoare triple {19670#true} ~main__len~0 := #t~nondet1; {19670#true} is VALID [2020-07-11 02:30:32,907 INFO L280 TraceCheckUtils]: 16: Hoare triple {19670#true} havoc #t~nondet1; {19670#true} is VALID [2020-07-11 02:30:32,908 INFO L280 TraceCheckUtils]: 17: Hoare triple {19670#true} ~main__limit~0 := ~main__bufsize~0 - 4; {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,908 INFO L280 TraceCheckUtils]: 18: Hoare triple {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__i~0 := 0; {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,909 INFO L280 TraceCheckUtils]: 19: Hoare triple {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,909 INFO L280 TraceCheckUtils]: 20: Hoare triple {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} ~main__j~0 := 0; {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,910 INFO L280 TraceCheckUtils]: 21: Hoare triple {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__i~0 < ~main__len~0; {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,911 INFO L280 TraceCheckUtils]: 22: Hoare triple {19676#(<= (+ main_~main__limit~0 4) main_~main__bufsize~0)} assume ~main__j~0 < ~main__limit~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,911 INFO L280 TraceCheckUtils]: 23: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume 1 + ~main__i~0 < ~main__len~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,912 INFO L280 TraceCheckUtils]: 24: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_1~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,912 INFO L280 TraceCheckUtils]: 25: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,913 INFO L280 TraceCheckUtils]: 26: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,913 INFO L280 TraceCheckUtils]: 27: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,914 INFO L280 TraceCheckUtils]: 28: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,914 INFO L280 TraceCheckUtils]: 29: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_2~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,914 INFO L280 TraceCheckUtils]: 30: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,915 INFO L280 TraceCheckUtils]: 31: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~1; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,915 INFO L280 TraceCheckUtils]: 32: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,916 INFO L280 TraceCheckUtils]: 33: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,917 INFO L280 TraceCheckUtils]: 34: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~main____CPAchecker_TMP_0~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,917 INFO L280 TraceCheckUtils]: 35: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,918 INFO L280 TraceCheckUtils]: 36: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,918 INFO L280 TraceCheckUtils]: 37: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc #t~nondet2; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,919 INFO L280 TraceCheckUtils]: 38: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,919 INFO L280 TraceCheckUtils]: 39: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_7~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,920 INFO L280 TraceCheckUtils]: 40: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,920 INFO L280 TraceCheckUtils]: 41: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~6; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,922 INFO L280 TraceCheckUtils]: 42: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,922 INFO L280 TraceCheckUtils]: 43: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,923 INFO L280 TraceCheckUtils]: 44: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_8~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,923 INFO L280 TraceCheckUtils]: 45: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,924 INFO L280 TraceCheckUtils]: 46: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~7; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,925 INFO L280 TraceCheckUtils]: 47: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,925 INFO L280 TraceCheckUtils]: 48: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,926 INFO L280 TraceCheckUtils]: 49: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_9~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,927 INFO L280 TraceCheckUtils]: 50: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,927 INFO L280 TraceCheckUtils]: 51: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~8; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,928 INFO L280 TraceCheckUtils]: 52: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,928 INFO L280 TraceCheckUtils]: 53: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,929 INFO L280 TraceCheckUtils]: 54: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__tmp_10~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,929 INFO L280 TraceCheckUtils]: 55: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,930 INFO L280 TraceCheckUtils]: 56: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~9; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,931 INFO L280 TraceCheckUtils]: 57: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,931 INFO L280 TraceCheckUtils]: 58: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,932 INFO L280 TraceCheckUtils]: 59: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,933 INFO L280 TraceCheckUtils]: 60: Hoare triple {19677#(<= (+ main_~main__j~0 5) main_~main__bufsize~0)} ~main__j~0 := 1 + ~main__j~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,933 INFO L280 TraceCheckUtils]: 61: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,934 INFO L280 TraceCheckUtils]: 62: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~main__i~0 := 1 + ~main__i~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,935 INFO L280 TraceCheckUtils]: 63: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_11~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,935 INFO L280 TraceCheckUtils]: 64: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_11~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,936 INFO L280 TraceCheckUtils]: 65: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~10; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,936 INFO L280 TraceCheckUtils]: 66: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,937 INFO L280 TraceCheckUtils]: 67: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~10); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,938 INFO L280 TraceCheckUtils]: 68: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_12~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,938 INFO L280 TraceCheckUtils]: 69: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_12~0 := (if 0 <= ~main__i~0 then 1 else 0); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,939 INFO L280 TraceCheckUtils]: 70: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~11; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,939 INFO L280 TraceCheckUtils]: 71: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,940 INFO L280 TraceCheckUtils]: 72: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~11); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,941 INFO L280 TraceCheckUtils]: 73: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_13~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,942 INFO L280 TraceCheckUtils]: 74: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_13~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,943 INFO L280 TraceCheckUtils]: 75: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~12; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,944 INFO L280 TraceCheckUtils]: 76: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,945 INFO L280 TraceCheckUtils]: 77: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~12); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,945 INFO L280 TraceCheckUtils]: 78: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__tmp_14~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,946 INFO L280 TraceCheckUtils]: 79: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__tmp_14~0 := (if 0 <= ~main__j~0 then 1 else 0); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,948 INFO L280 TraceCheckUtils]: 80: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} havoc ~__VERIFIER_assert__cond~13; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,949 INFO L280 TraceCheckUtils]: 81: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,950 INFO L280 TraceCheckUtils]: 82: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} assume !(0 == ~__VERIFIER_assert__cond~13); {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,950 INFO L280 TraceCheckUtils]: 83: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~main____CPAchecker_TMP_3~0 := ~main__j~0; {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,952 INFO L280 TraceCheckUtils]: 84: Hoare triple {19678#(<= (+ main_~main__j~0 4) main_~main__bufsize~0)} ~main__j~0 := 1 + ~main__j~0; {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,953 INFO L280 TraceCheckUtils]: 85: Hoare triple {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} ~main____CPAchecker_TMP_4~0 := ~main__i~0; {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,954 INFO L280 TraceCheckUtils]: 86: Hoare triple {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} ~main__i~0 := 1 + ~main__i~0; {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,955 INFO L280 TraceCheckUtils]: 87: Hoare triple {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} havoc ~__tmp_15~0; {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} is VALID [2020-07-11 02:30:32,956 INFO L280 TraceCheckUtils]: 88: Hoare triple {19679#(<= (+ main_~main__j~0 3) main_~main__bufsize~0)} ~__tmp_15~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {19680#(not (= 0 main_~__tmp_15~0))} is VALID [2020-07-11 02:30:32,957 INFO L280 TraceCheckUtils]: 89: Hoare triple {19680#(not (= 0 main_~__tmp_15~0))} havoc ~__VERIFIER_assert__cond~14; {19680#(not (= 0 main_~__tmp_15~0))} is VALID [2020-07-11 02:30:32,958 INFO L280 TraceCheckUtils]: 90: Hoare triple {19680#(not (= 0 main_~__tmp_15~0))} ~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {19681#(not (= main_~__VERIFIER_assert__cond~14 0))} is VALID [2020-07-11 02:30:32,959 INFO L280 TraceCheckUtils]: 91: Hoare triple {19681#(not (= main_~__VERIFIER_assert__cond~14 0))} assume 0 == ~__VERIFIER_assert__cond~14; {19671#false} is VALID [2020-07-11 02:30:32,959 INFO L280 TraceCheckUtils]: 92: Hoare triple {19671#false} assume !false; {19671#false} is VALID [2020-07-11 02:30:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:30:32,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212590236] [2020-07-11 02:30:32,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:30:32,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-11 02:30:32,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132058175] [2020-07-11 02:30:32,984 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-11 02:30:32,985 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:30:32,985 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-11 02:30:33,119 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:33,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-11 02:30:33,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:30:33,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-11 02:30:33,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-11 02:30:33,120 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 9 states. [2020-07-11 02:30:38,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:38,708 INFO L93 Difference]: Finished difference Result 281 states and 292 transitions. [2020-07-11 02:30:38,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-11 02:30:38,709 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-11 02:30:38,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:30:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-11 02:30:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 241 transitions. [2020-07-11 02:30:38,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-11 02:30:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 241 transitions. [2020-07-11 02:30:38,712 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 241 transitions. [2020-07-11 02:30:39,079 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 241 edges. 241 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:39,085 INFO L225 Difference]: With dead ends: 281 [2020-07-11 02:30:39,086 INFO L226 Difference]: Without dead ends: 279 [2020-07-11 02:30:39,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-07-11 02:30:39,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-07-11 02:30:41,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 150. [2020-07-11 02:30:41,026 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:30:41,026 INFO L82 GeneralOperation]: Start isEquivalent. First operand 279 states. Second operand 150 states. [2020-07-11 02:30:41,026 INFO L74 IsIncluded]: Start isIncluded. First operand 279 states. Second operand 150 states. [2020-07-11 02:30:41,027 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 150 states. [2020-07-11 02:30:41,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:41,032 INFO L93 Difference]: Finished difference Result 279 states and 290 transitions. [2020-07-11 02:30:41,032 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 290 transitions. [2020-07-11 02:30:41,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:41,033 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:30:41,033 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 279 states. [2020-07-11 02:30:41,033 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 279 states. [2020-07-11 02:30:41,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:41,039 INFO L93 Difference]: Finished difference Result 279 states and 290 transitions. [2020-07-11 02:30:41,040 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 290 transitions. [2020-07-11 02:30:41,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:41,040 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:30:41,040 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:30:41,040 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:30:41,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-11 02:30:41,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2020-07-11 02:30:41,043 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 93 [2020-07-11 02:30:41,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:30:41,043 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2020-07-11 02:30:41,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-11 02:30:41,044 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 150 states and 154 transitions. [2020-07-11 02:30:41,868 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:41,869 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2020-07-11 02:30:41,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-11 02:30:41,870 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:30:41,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:30:41,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-11 02:30:41,871 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_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, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:30:41,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:30:41,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1620264573, now seen corresponding path program 1 times [2020-07-11 02:30:41,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:30:41,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880564803] [2020-07-11 02:30:41,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:30:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:30:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:30:41,970 INFO L280 TraceCheckUtils]: 0: Hoare triple {21136#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {21125#true} is VALID [2020-07-11 02:30:41,970 INFO L280 TraceCheckUtils]: 1: Hoare triple {21125#true} ~__return_334~0 := 0; {21125#true} is VALID [2020-07-11 02:30:41,970 INFO L280 TraceCheckUtils]: 2: Hoare triple {21125#true} assume true; {21125#true} is VALID [2020-07-11 02:30:41,970 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {21125#true} {21125#true} #261#return; {21125#true} is VALID [2020-07-11 02:30:41,972 INFO L263 TraceCheckUtils]: 0: Hoare triple {21125#true} call ULTIMATE.init(); {21136#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} is VALID [2020-07-11 02:30:41,972 INFO L280 TraceCheckUtils]: 1: Hoare triple {21136#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|))} ~__return_main~0 := 0; {21125#true} is VALID [2020-07-11 02:30:41,972 INFO L280 TraceCheckUtils]: 2: Hoare triple {21125#true} ~__return_334~0 := 0; {21125#true} is VALID [2020-07-11 02:30:41,972 INFO L280 TraceCheckUtils]: 3: Hoare triple {21125#true} assume true; {21125#true} is VALID [2020-07-11 02:30:41,972 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {21125#true} {21125#true} #261#return; {21125#true} is VALID [2020-07-11 02:30:41,973 INFO L263 TraceCheckUtils]: 5: Hoare triple {21125#true} call #t~ret3 := main(); {21125#true} is VALID [2020-07-11 02:30:41,973 INFO L280 TraceCheckUtils]: 6: Hoare triple {21125#true} havoc ~main__len~0; {21125#true} is VALID [2020-07-11 02:30:41,973 INFO L280 TraceCheckUtils]: 7: Hoare triple {21125#true} havoc ~main__i~0; {21125#true} is VALID [2020-07-11 02:30:41,973 INFO L280 TraceCheckUtils]: 8: Hoare triple {21125#true} havoc ~main__j~0; {21125#true} is VALID [2020-07-11 02:30:41,973 INFO L280 TraceCheckUtils]: 9: Hoare triple {21125#true} havoc ~main__bufsize~0; {21125#true} is VALID [2020-07-11 02:30:41,974 INFO L280 TraceCheckUtils]: 10: Hoare triple {21125#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {21125#true} is VALID [2020-07-11 02:30:41,974 INFO L280 TraceCheckUtils]: 11: Hoare triple {21125#true} ~main__bufsize~0 := #t~nondet0; {21125#true} is VALID [2020-07-11 02:30:41,974 INFO L280 TraceCheckUtils]: 12: Hoare triple {21125#true} havoc #t~nondet0; {21125#true} is VALID [2020-07-11 02:30:41,974 INFO L280 TraceCheckUtils]: 13: Hoare triple {21125#true} assume !(~main__bufsize~0 < 0); {21125#true} is VALID [2020-07-11 02:30:41,974 INFO L280 TraceCheckUtils]: 14: Hoare triple {21125#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {21125#true} is VALID [2020-07-11 02:30:41,974 INFO L280 TraceCheckUtils]: 15: Hoare triple {21125#true} ~main__len~0 := #t~nondet1; {21125#true} is VALID [2020-07-11 02:30:41,975 INFO L280 TraceCheckUtils]: 16: Hoare triple {21125#true} havoc #t~nondet1; {21125#true} is VALID [2020-07-11 02:30:41,975 INFO L280 TraceCheckUtils]: 17: Hoare triple {21125#true} ~main__limit~0 := ~main__bufsize~0 - 4; {21125#true} is VALID [2020-07-11 02:30:41,975 INFO L280 TraceCheckUtils]: 18: Hoare triple {21125#true} ~main__i~0 := 0; {21125#true} is VALID [2020-07-11 02:30:41,975 INFO L280 TraceCheckUtils]: 19: Hoare triple {21125#true} assume ~main__i~0 < ~main__len~0; {21125#true} is VALID [2020-07-11 02:30:41,976 INFO L280 TraceCheckUtils]: 20: Hoare triple {21125#true} ~main__j~0 := 0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,977 INFO L280 TraceCheckUtils]: 21: Hoare triple {21131#(<= 0 main_~main__j~0)} assume ~main__i~0 < ~main__len~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,977 INFO L280 TraceCheckUtils]: 22: Hoare triple {21131#(<= 0 main_~main__j~0)} assume ~main__j~0 < ~main__limit~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,978 INFO L280 TraceCheckUtils]: 23: Hoare triple {21131#(<= 0 main_~main__j~0)} assume 1 + ~main__i~0 < ~main__len~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,978 INFO L280 TraceCheckUtils]: 24: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_1~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,979 INFO L280 TraceCheckUtils]: 25: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__tmp_1~0 := (if 1 + ~main__i~0 < ~main__len~0 then 1 else 0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,980 INFO L280 TraceCheckUtils]: 26: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,980 INFO L280 TraceCheckUtils]: 27: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,981 INFO L280 TraceCheckUtils]: 28: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,981 INFO L280 TraceCheckUtils]: 29: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_2~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,982 INFO L280 TraceCheckUtils]: 30: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__tmp_2~0 := (if 0 <= ~main__i~0 then 1 else 0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,983 INFO L280 TraceCheckUtils]: 31: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~1; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,983 INFO L280 TraceCheckUtils]: 32: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,984 INFO L280 TraceCheckUtils]: 33: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~1); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,984 INFO L280 TraceCheckUtils]: 34: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~main____CPAchecker_TMP_0~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,985 INFO L280 TraceCheckUtils]: 35: Hoare triple {21131#(<= 0 main_~main__j~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,985 INFO L280 TraceCheckUtils]: 36: Hoare triple {21131#(<= 0 main_~main__j~0)} ~main____CPAchecker_TMP_0~0 := #t~nondet2; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,986 INFO L280 TraceCheckUtils]: 37: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc #t~nondet2; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,986 INFO L280 TraceCheckUtils]: 38: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !!(0 == ~main____CPAchecker_TMP_0~0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,987 INFO L280 TraceCheckUtils]: 39: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_7~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,987 INFO L280 TraceCheckUtils]: 40: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__tmp_7~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,988 INFO L280 TraceCheckUtils]: 41: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~6; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,988 INFO L280 TraceCheckUtils]: 42: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,988 INFO L280 TraceCheckUtils]: 43: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~6); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,989 INFO L280 TraceCheckUtils]: 44: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_8~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,989 INFO L280 TraceCheckUtils]: 45: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__tmp_8~0 := (if 0 <= ~main__i~0 then 1 else 0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,990 INFO L280 TraceCheckUtils]: 46: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~7; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,991 INFO L280 TraceCheckUtils]: 47: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,991 INFO L280 TraceCheckUtils]: 48: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,992 INFO L280 TraceCheckUtils]: 49: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_9~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,992 INFO L280 TraceCheckUtils]: 50: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__tmp_9~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,993 INFO L280 TraceCheckUtils]: 51: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~8; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,993 INFO L280 TraceCheckUtils]: 52: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,994 INFO L280 TraceCheckUtils]: 53: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~8); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,995 INFO L280 TraceCheckUtils]: 54: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__tmp_10~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,996 INFO L280 TraceCheckUtils]: 55: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__tmp_10~0 := (if 0 <= ~main__j~0 then 1 else 0); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,997 INFO L280 TraceCheckUtils]: 56: Hoare triple {21131#(<= 0 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~9; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,997 INFO L280 TraceCheckUtils]: 57: Hoare triple {21131#(<= 0 main_~main__j~0)} ~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,998 INFO L280 TraceCheckUtils]: 58: Hoare triple {21131#(<= 0 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,998 INFO L280 TraceCheckUtils]: 59: Hoare triple {21131#(<= 0 main_~main__j~0)} ~main____CPAchecker_TMP_1~0 := ~main__j~0; {21131#(<= 0 main_~main__j~0)} is VALID [2020-07-11 02:30:41,999 INFO L280 TraceCheckUtils]: 60: Hoare triple {21131#(<= 0 main_~main__j~0)} ~main__j~0 := 1 + ~main__j~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,000 INFO L280 TraceCheckUtils]: 61: Hoare triple {21132#(<= 1 main_~main__j~0)} ~main____CPAchecker_TMP_2~0 := ~main__i~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,000 INFO L280 TraceCheckUtils]: 62: Hoare triple {21132#(<= 1 main_~main__j~0)} ~main__i~0 := 1 + ~main__i~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,001 INFO L280 TraceCheckUtils]: 63: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_11~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,002 INFO L280 TraceCheckUtils]: 64: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__tmp_11~0 := (if ~main__i~0 < ~main__len~0 then 1 else 0); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,002 INFO L280 TraceCheckUtils]: 65: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~10; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,003 INFO L280 TraceCheckUtils]: 66: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,003 INFO L280 TraceCheckUtils]: 67: Hoare triple {21132#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~10); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,004 INFO L280 TraceCheckUtils]: 68: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_12~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,004 INFO L280 TraceCheckUtils]: 69: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__tmp_12~0 := (if 0 <= ~main__i~0 then 1 else 0); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,005 INFO L280 TraceCheckUtils]: 70: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~11; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,006 INFO L280 TraceCheckUtils]: 71: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,006 INFO L280 TraceCheckUtils]: 72: Hoare triple {21132#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~11); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,007 INFO L280 TraceCheckUtils]: 73: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_13~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,007 INFO L280 TraceCheckUtils]: 74: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__tmp_13~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,008 INFO L280 TraceCheckUtils]: 75: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~12; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,008 INFO L280 TraceCheckUtils]: 76: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,009 INFO L280 TraceCheckUtils]: 77: Hoare triple {21132#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~12); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,010 INFO L280 TraceCheckUtils]: 78: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__tmp_14~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,010 INFO L280 TraceCheckUtils]: 79: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__tmp_14~0 := (if 0 <= ~main__j~0 then 1 else 0); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,011 INFO L280 TraceCheckUtils]: 80: Hoare triple {21132#(<= 1 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~13; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,011 INFO L280 TraceCheckUtils]: 81: Hoare triple {21132#(<= 1 main_~main__j~0)} ~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,012 INFO L280 TraceCheckUtils]: 82: Hoare triple {21132#(<= 1 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~13); {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,012 INFO L280 TraceCheckUtils]: 83: Hoare triple {21132#(<= 1 main_~main__j~0)} ~main____CPAchecker_TMP_3~0 := ~main__j~0; {21132#(<= 1 main_~main__j~0)} is VALID [2020-07-11 02:30:42,013 INFO L280 TraceCheckUtils]: 84: Hoare triple {21132#(<= 1 main_~main__j~0)} ~main__j~0 := 1 + ~main__j~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-11 02:30:42,014 INFO L280 TraceCheckUtils]: 85: Hoare triple {21133#(<= 2 main_~main__j~0)} ~main____CPAchecker_TMP_4~0 := ~main__i~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-11 02:30:42,014 INFO L280 TraceCheckUtils]: 86: Hoare triple {21133#(<= 2 main_~main__j~0)} ~main__i~0 := 1 + ~main__i~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-11 02:30:42,015 INFO L280 TraceCheckUtils]: 87: Hoare triple {21133#(<= 2 main_~main__j~0)} havoc ~__tmp_15~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-11 02:30:42,016 INFO L280 TraceCheckUtils]: 88: Hoare triple {21133#(<= 2 main_~main__j~0)} ~__tmp_15~0 := (if ~main__j~0 < ~main__bufsize~0 then 1 else 0); {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-11 02:30:42,016 INFO L280 TraceCheckUtils]: 89: Hoare triple {21133#(<= 2 main_~main__j~0)} havoc ~__VERIFIER_assert__cond~14; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-11 02:30:42,017 INFO L280 TraceCheckUtils]: 90: Hoare triple {21133#(<= 2 main_~main__j~0)} ~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-11 02:30:42,018 INFO L280 TraceCheckUtils]: 91: Hoare triple {21133#(<= 2 main_~main__j~0)} assume !(0 == ~__VERIFIER_assert__cond~14); {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-11 02:30:42,018 INFO L280 TraceCheckUtils]: 92: Hoare triple {21133#(<= 2 main_~main__j~0)} havoc ~__tmp_16~0; {21133#(<= 2 main_~main__j~0)} is VALID [2020-07-11 02:30:42,019 INFO L280 TraceCheckUtils]: 93: Hoare triple {21133#(<= 2 main_~main__j~0)} ~__tmp_16~0 := (if 0 <= ~main__j~0 then 1 else 0); {21134#(not (= 0 main_~__tmp_16~0))} is VALID [2020-07-11 02:30:42,020 INFO L280 TraceCheckUtils]: 94: Hoare triple {21134#(not (= 0 main_~__tmp_16~0))} havoc ~__VERIFIER_assert__cond~15; {21134#(not (= 0 main_~__tmp_16~0))} is VALID [2020-07-11 02:30:42,021 INFO L280 TraceCheckUtils]: 95: Hoare triple {21134#(not (= 0 main_~__tmp_16~0))} ~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {21135#(not (= main_~__VERIFIER_assert__cond~15 0))} is VALID [2020-07-11 02:30:42,021 INFO L280 TraceCheckUtils]: 96: Hoare triple {21135#(not (= main_~__VERIFIER_assert__cond~15 0))} assume 0 == ~__VERIFIER_assert__cond~15; {21126#false} is VALID [2020-07-11 02:30:42,022 INFO L280 TraceCheckUtils]: 97: Hoare triple {21126#false} assume !false; {21126#false} is VALID [2020-07-11 02:30:42,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:30:42,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880564803] [2020-07-11 02:30:42,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:30:42,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-11 02:30:42,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334847753] [2020-07-11 02:30:42,039 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-11 02:30:42,040 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:30:42,040 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 02:30:42,176 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:42,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 02:30:42,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:30:42,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 02:30:42,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-11 02:30:42,177 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 8 states. [2020-07-11 02:30:55,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:55,562 INFO L93 Difference]: Finished difference Result 679 states and 701 transitions. [2020-07-11 02:30:55,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-11 02:30:55,562 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-11 02:30:55,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:30:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 02:30:55,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 557 transitions. [2020-07-11 02:30:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 02:30:55,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 557 transitions. [2020-07-11 02:30:55,567 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 557 transitions. [2020-07-11 02:30:56,329 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 557 edges. 557 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:56,329 INFO L225 Difference]: With dead ends: 679 [2020-07-11 02:30:56,329 INFO L226 Difference]: Without dead ends: 0 [2020-07-11 02:30:56,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-07-11 02:30:56,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-11 02:30:56,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-11 02:30:56,333 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:30:56,333 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-11 02:30:56,333 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-11 02:30:56,333 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-11 02:30:56,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:56,334 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-11 02:30:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-11 02:30:56,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:56,334 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:30:56,334 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-11 02:30:56,334 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-11 02:30:56,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:30:56,334 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-11 02:30:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-11 02:30:56,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:56,335 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:30:56,335 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:30:56,335 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:30:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-11 02:30:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-11 02:30:56,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-07-11 02:30:56,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:30:56,335 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-11 02:30:56,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 02:30:56,335 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-11 02:30:56,336 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:30:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-11 02:30:56,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:30:56,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-11 02:30:56,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-11 02:30:56,502 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 112 [2020-07-11 02:30:56,913 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 95 [2020-07-11 02:30:57,298 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 71 [2020-07-11 02:30:57,647 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 150 [2020-07-11 02:30:57,839 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 121 [2020-07-11 02:30:57,974 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 119 [2020-07-11 02:30:58,107 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 99 [2020-07-11 02:30:58,437 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-11 02:30:58,739 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-11 02:30:58,925 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 102 [2020-07-11 02:30:59,047 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-11 02:30:59,173 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 110 [2020-07-11 02:30:59,285 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2020-07-11 02:30:59,390 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2020-07-11 02:30:59,568 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 163 [2020-07-11 02:30:59,713 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 146 [2020-07-11 02:30:59,834 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 155 [2020-07-11 02:31:00,171 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 145 [2020-07-11 02:31:00,384 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 146 [2020-07-11 02:31:00,512 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 142 [2020-07-11 02:31:00,644 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 163 [2020-07-11 02:31:00,753 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 166 [2020-07-11 02:31:01,203 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 111 [2020-07-11 02:31:02,090 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 153 [2020-07-11 02:31:02,684 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 120 [2020-07-11 02:31:02,797 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 154 [2020-07-11 02:31:02,902 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 153 [2020-07-11 02:31:04,014 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 125 [2020-07-11 02:31:04,189 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 150 [2020-07-11 02:31:04,304 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 171 [2020-07-11 02:31:04,415 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 164 [2020-07-11 02:31:04,529 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 160 [2020-07-11 02:31:04,980 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2020-07-11 02:31:05,378 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2020-07-11 02:31:05,536 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-07-11 02:31:05,721 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2020-07-11 02:31:05,835 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 20 [2020-07-11 02:31:06,265 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 28 [2020-07-11 02:31:06,486 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2020-07-11 02:31:06,840 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 38 [2020-07-11 02:31:07,037 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2020-07-11 02:31:07,279 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-07-11 02:31:07,508 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2020-07-11 02:31:07,765 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2020-07-11 02:31:07,929 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-11 02:31:08,245 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-11 02:31:08,527 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 57 [2020-07-11 02:31:08,645 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-07-11 02:31:08,895 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-07-11 02:31:09,202 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-11 02:31:09,385 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-11 02:31:09,705 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 16 [2020-07-11 02:31:10,037 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-11 02:31:10,230 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 26 [2020-07-11 02:31:10,517 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 31 [2020-07-11 02:31:10,822 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-11 02:31:11,372 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 39 [2020-07-11 02:31:11,876 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 42 [2020-07-11 02:31:12,249 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 46 [2020-07-11 02:31:12,528 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-11 02:31:12,689 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-11 02:31:12,866 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-11 02:31:13,229 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 26 [2020-07-11 02:31:13,675 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 30 [2020-07-11 02:31:14,096 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 35 [2020-07-11 02:31:14,635 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 39 [2020-07-11 02:31:15,118 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2020-07-11 02:31:15,359 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2020-07-11 02:31:15,555 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2020-07-11 02:31:15,803 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 48 [2020-07-11 02:31:16,061 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 50 [2020-07-11 02:31:16,341 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-11 02:31:16,666 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 20 [2020-07-11 02:31:16,848 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 13 [2020-07-11 02:31:17,044 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 34 [2020-07-11 02:31:17,315 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2020-07-11 02:31:17,497 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-07-11 02:31:17,836 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2020-07-11 02:31:17,973 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-07-11 02:31:18,218 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2020-07-11 02:31:18,380 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-11 02:31:18,654 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 30 [2020-07-11 02:31:18,919 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2020-07-11 02:31:19,225 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-07-11 02:31:19,398 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-11 02:31:19,571 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2020-07-11 02:31:19,783 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 23 [2020-07-11 02:31:20,072 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 30 [2020-07-11 02:31:20,373 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-11 02:31:20,746 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 35 [2020-07-11 02:31:21,066 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2020-07-11 02:31:21,428 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 44 [2020-07-11 02:31:21,771 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 46 [2020-07-11 02:31:22,105 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 50 [2020-07-11 02:31:22,615 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2020-07-11 02:31:22,779 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2020-07-11 02:31:22,953 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-11 02:31:23,143 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2020-07-11 02:31:23,456 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 25 [2020-07-11 02:31:23,855 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 29 [2020-07-11 02:31:24,245 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 35 [2020-07-11 02:31:24,435 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 35 [2020-07-11 02:31:24,721 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2020-07-11 02:31:25,013 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2020-07-11 02:31:25,340 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 50 [2020-07-11 02:31:25,683 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-07-11 02:31:25,927 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2020-07-11 02:31:26,088 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-11 02:31:26,258 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 19 [2020-07-11 02:31:26,573 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-11 02:31:26,789 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 58 [2020-07-11 02:31:26,908 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-07-11 02:31:27,146 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-07-11 02:31:27,377 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-07-11 02:31:27,531 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-11 02:31:27,805 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 28 [2020-07-11 02:31:28,065 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 32 [2020-07-11 02:31:28,362 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2020-07-11 02:31:28,859 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2020-07-11 02:31:29,116 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2020-07-11 02:31:29,273 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-07-11 02:31:29,453 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2020-07-11 02:31:29,904 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 43 [2020-07-11 02:31:30,239 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-07-11 02:31:30,687 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 28 [2020-07-11 02:31:31,193 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-07-11 02:31:31,818 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 37 [2020-07-11 02:31:32,415 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 39 [2020-07-11 02:31:32,895 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2020-07-11 02:31:33,084 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2020-07-11 02:31:33,349 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2020-07-11 02:31:33,358 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-11 02:31:33,358 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-07-11 02:31:33,359 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_334~0 |old(~__return_334~0)|)) [2020-07-11 02:31:33,359 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-11 02:31:33,359 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-11 02:31:33,359 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-11 02:31:33,359 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-11 02:31:33,360 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-11 02:31:33,360 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-07-11 02:31:33,360 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-11 02:31:33,360 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-07-11 02:31:33,360 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-07-11 02:31:33,360 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-07-11 02:31:33,360 INFO L264 CegarLoopResult]: At program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 86) the Hoare annotation is: false [2020-07-11 02:31:33,361 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,361 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 11 311) the Hoare annotation is: true [2020-07-11 02:31:33,361 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: false [2020-07-11 02:31:33,361 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~5)) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= 1 main_~main__j~0)) [2020-07-11 02:31:33,361 INFO L264 CegarLoopResult]: At program point L52(line 52) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,362 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,362 INFO L264 CegarLoopResult]: At program point L201(lines 201 271) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,362 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__i~0 2) main_~main__len~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-11 02:31:33,362 INFO L264 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,362 INFO L264 CegarLoopResult]: At program point L36(lines 36 292) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,363 INFO L264 CegarLoopResult]: At program point L251(line 251) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__tmp_16~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,363 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 1 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,363 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: false [2020-07-11 02:31:33,363 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: false [2020-07-11 02:31:33,363 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,363 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,363 INFO L264 CegarLoopResult]: At program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 243) the Hoare annotation is: false [2020-07-11 02:31:33,364 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,364 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,364 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,364 INFO L264 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,364 INFO L264 CegarLoopResult]: At program point L252(line 252) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__tmp_16~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,365 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 1 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,365 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: false [2020-07-11 02:31:33,365 INFO L264 CegarLoopResult]: At program point L54(line 54) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,365 INFO L264 CegarLoopResult]: At program point L302(lines 23 310) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0)) [2020-07-11 02:31:33,365 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 11 311) the Hoare annotation is: true [2020-07-11 02:31:33,365 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: false [2020-07-11 02:31:33,365 INFO L264 CegarLoopResult]: At program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 227) the Hoare annotation is: false [2020-07-11 02:31:33,366 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,366 INFO L264 CegarLoopResult]: At program point L137(lines 137 281) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,366 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (< main_~main__i~0 main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (not (= 0 main_~__tmp_5~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,366 INFO L264 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,366 INFO L264 CegarLoopResult]: At program point L253(lines 253 263) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__tmp_16~0)) (not (= main_~__VERIFIER_assert__cond~15 0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,367 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 1 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,367 INFO L264 CegarLoopResult]: At program point L55(lines 55 284) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-11 02:31:33,367 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,367 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: false [2020-07-11 02:31:33,367 INFO L264 CegarLoopResult]: At program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 163) the Hoare annotation is: false [2020-07-11 02:31:33,367 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,368 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (not (= 0 main_~__tmp_5~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,368 INFO L264 CegarLoopResult]: At program point L72(lines 72 127) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,368 INFO L264 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,368 INFO L264 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,369 INFO L264 CegarLoopResult]: At program point L188(line 188) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,369 INFO L264 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,369 INFO L264 CegarLoopResult]: At program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 255) the Hoare annotation is: false [2020-07-11 02:31:33,369 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,369 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: false [2020-07-11 02:31:33,370 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,370 INFO L264 CegarLoopResult]: At program point L40(line 40) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0)) [2020-07-11 02:31:33,370 INFO L264 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: false [2020-07-11 02:31:33,370 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,371 INFO L264 CegarLoopResult]: At program point L189(lines 189 273) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,371 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: false [2020-07-11 02:31:33,371 INFO L264 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,371 INFO L264 CegarLoopResult]: At program point L24-1(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,371 INFO L264 CegarLoopResult]: At program point L24-2(line 24) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,371 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,372 INFO L264 CegarLoopResult]: At program point L173(lines 173 275) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,372 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: false [2020-07-11 02:31:33,372 INFO L264 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,372 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: false [2020-07-11 02:31:33,372 INFO L264 CegarLoopResult]: At program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 191) the Hoare annotation is: false [2020-07-11 02:31:33,372 INFO L264 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,372 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: false [2020-07-11 02:31:33,373 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,373 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,373 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: false [2020-07-11 02:31:33,373 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,374 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,374 INFO L264 CegarLoopResult]: At program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 175) the Hoare annotation is: false [2020-07-11 02:31:33,374 INFO L264 CegarLoopResult]: At program point L108(lines 108 121) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~5)) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,374 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: false [2020-07-11 02:31:33,374 INFO L264 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,375 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,375 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: false [2020-07-11 02:31:33,375 INFO L264 CegarLoopResult]: At program point L158(line 158) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,375 INFO L264 CegarLoopResult]: At program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 98) the Hoare annotation is: false [2020-07-11 02:31:33,375 INFO L264 CegarLoopResult]: At program point L92(line 92) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,376 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-07-11 02:31:33,376 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,376 INFO L264 CegarLoopResult]: At program point L241(lines 241 265) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,376 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: false [2020-07-11 02:31:33,376 INFO L264 CegarLoopResult]: At program point L43(lines 43 286) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,377 INFO L264 CegarLoopResult]: At program point L291(lines 36 292) the Hoare annotation is: (and (< main_~main__i~0 main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,377 INFO L264 CegarLoopResult]: At program point L225(lines 225 267) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,377 INFO L264 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: false [2020-07-11 02:31:33,377 INFO L264 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,377 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (< main_~main__i~0 main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_4~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,378 INFO L271 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: true [2020-07-11 02:31:33,378 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,378 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: false [2020-07-11 02:31:33,378 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: false [2020-07-11 02:31:33,378 INFO L264 CegarLoopResult]: At program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 203) the Hoare annotation is: false [2020-07-11 02:31:33,378 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,379 INFO L264 CegarLoopResult]: At program point L94(line 94) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__tmp_5~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0)) [2020-07-11 02:31:33,379 INFO L264 CegarLoopResult]: At program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 139) the Hoare annotation is: false [2020-07-11 02:31:33,379 INFO L264 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: false [2020-07-11 02:31:33,379 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,379 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: false [2020-07-11 02:31:33,379 INFO L264 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: false [2020-07-11 02:31:33,380 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__tmp_16~0)) (not (= main_~__VERIFIER_assert__cond~15 0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,380 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: false [2020-07-11 02:31:33,380 INFO L264 CegarLoopResult]: At program point L161(lines 161 277) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,380 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (< main_~main__i~0 main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__tmp_5~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,380 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-11 02:31:33,381 INFO L264 CegarLoopResult]: At program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 110) the Hoare annotation is: false [2020-07-11 02:31:33,381 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: false [2020-07-11 02:31:33,381 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,381 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,381 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: false [2020-07-11 02:31:33,382 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__tmp_16~0)) (not (= main_~__VERIFIER_assert__cond~15 0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,382 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: false [2020-07-11 02:31:33,382 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) the Hoare annotation is: false [2020-07-11 02:31:33,382 INFO L264 CegarLoopResult]: At program point L96(lines 96 123) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (< main_~main__i~0 main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (not (= 0 main_~__tmp_5~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,382 INFO L264 CegarLoopResult]: At program point L63(line 63) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-11 02:31:33,382 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0)) [2020-07-11 02:31:33,383 INFO L264 CegarLoopResult]: At program point L63-1(line 63) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-11 02:31:33,383 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 311) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,383 INFO L264 CegarLoopResult]: At program point L63-2(line 63) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-11 02:31:33,383 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,383 INFO L264 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,384 INFO L264 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,384 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,384 INFO L264 CegarLoopResult]: At program point L262(lines 29 304) the Hoare annotation is: (let ((.cse3 (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) (.cse4 (<= (+ main_~main__j~0 4) main_~main__bufsize~0))) (let ((.cse0 (= |old(~__return_334~0)| ~__return_334~0)) (.cse1 (let ((.cse5 (<= 1 main_~main__i~0))) (or (and .cse3 (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) .cse5) (and .cse3 .cse4 .cse5)))) (.cse2 (<= 1 main_~main__j~0))) (or (and .cse0 (not (= main_~__VERIFIER_assert__cond~14 0)) .cse1 .cse2 (not (= 0 main_~__tmp_15~0))) (and .cse0 (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) .cse3 (<= 0 main_~main__i~0)) (and .cse0 .cse4 .cse1 .cse2)))) [2020-07-11 02:31:33,384 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: false [2020-07-11 02:31:33,384 INFO L264 CegarLoopResult]: At program point L64(lines 64 283) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-11 02:31:33,384 INFO L264 CegarLoopResult]: At program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 151) the Hoare annotation is: false [2020-07-11 02:31:33,385 INFO L264 CegarLoopResult]: At program point L213(lines 213 269) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,385 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,385 INFO L264 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,385 INFO L264 CegarLoopResult]: At program point L81(line 81) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,385 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,386 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,386 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: false [2020-07-11 02:31:33,386 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: false [2020-07-11 02:31:33,386 INFO L264 CegarLoopResult]: At program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 74) the Hoare annotation is: false [2020-07-11 02:31:33,386 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,387 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,387 INFO L264 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~5)) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,387 INFO L264 CegarLoopResult]: At program point L82(line 82) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,387 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,387 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,388 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: false [2020-07-11 02:31:33,388 INFO L264 CegarLoopResult]: At program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 57) the Hoare annotation is: false [2020-07-11 02:31:33,388 INFO L264 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: false [2020-07-11 02:31:33,388 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,388 INFO L264 CegarLoopResult]: At program point L149(lines 149 279) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_7~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,388 INFO L264 CegarLoopResult]: At program point L116(line 116) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~5)) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,389 INFO L264 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,389 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,389 INFO L264 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,389 INFO L264 CegarLoopResult]: At program point L17-2(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,389 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,390 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,390 INFO L264 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-11 02:31:33,390 INFO L264 CegarLoopResult]: At program point L34(lines 34 298) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__i~0)) [2020-07-11 02:31:33,390 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_15~0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (<= 2 main_~main__j~0) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,390 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: false [2020-07-11 02:31:33,391 INFO L264 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (= 1 main_~__VERIFIER_assert__cond~1) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,391 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (not (= 0 main_~__VERIFIER_assert__cond~4)) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~5)) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (not (= 0 main_~__tmp_3~0)) (not (= 0 main_~__tmp_6~0)) (not (= 0 main_~__tmp_5~0)) (<= 1 main_~main__j~0)) [2020-07-11 02:31:33,391 INFO L264 CegarLoopResult]: At program point L84(lines 84 125) the Hoare annotation is: (and (not (= 0 main_~__tmp_3~0)) (= |old(~__return_334~0)| ~__return_334~0) (< main_~main__i~0 main_~main__len~0) (not (= 0 main_~__tmp_4~0)) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~3)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,391 INFO L264 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0)) [2020-07-11 02:31:33,391 INFO L264 CegarLoopResult]: At program point L18(lines 18 310) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-07-11 02:31:33,391 INFO L264 CegarLoopResult]: At program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 215) the Hoare annotation is: false [2020-07-11 02:31:33,392 INFO L264 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_7~0)) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__tmp_14~0)) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= 0 main_~__tmp_9~0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_10~0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= 0 main_~__tmp_13~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,392 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (not (= 0 main_~__tmp_11~0)) (not (= 0 main_~__VERIFIER_assert__cond~8)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~6)) (<= 1 main_~main__i~0) (not (= 0 main_~__tmp_1~0)) (= 1 main_~__VERIFIER_assert__cond~1) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_9~0)) (not (= 0 main_~__VERIFIER_assert__cond~7)) (not (= 0 main_~__VERIFIER_assert__cond~0)) (not (= 0 main_~__VERIFIER_assert__cond~9)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= 0 main_~__tmp_8~0)) (not (= 0 main_~__tmp_12~0)) (not (= 0 main_~__tmp_10~0)) (not (= 0 main_~__tmp_7~0)) (<= 1 main_~main__j~0) (= 1 main_~__tmp_2~0)) [2020-07-11 02:31:33,392 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= 0 main_~__VERIFIER_assert__cond~0)) (< (+ main_~main__i~0 1) main_~main__len~0) (not (= 0 main_~__tmp_1~0)) (<= 0 main_~main__i~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= 1 main_~__tmp_2~0) (= 1 main_~__VERIFIER_assert__cond~1)) [2020-07-11 02:31:33,401 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-11 02:31:33,403 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-11 02:31:33,403 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-11 02:31:33,404 WARN L170 areAnnotationChecker]: L5-1 has no Hoare annotation [2020-07-11 02:31:33,404 WARN L170 areAnnotationChecker]: L5-3 has no Hoare annotation [2020-07-11 02:31:33,537 INFO L163 areAnnotationChecker]: CFG has 199 edges. 199 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-11 02:31:33,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 02:31:33 BoogieIcfgContainer [2020-07-11 02:31:33,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 02:31:33,566 INFO L168 Benchmark]: Toolchain (without parser) took 144424.12 ms. Allocated memory was 140.5 MB in the beginning and 549.5 MB in the end (delta: 408.9 MB). Free memory was 103.5 MB in the beginning and 219.9 MB in the end (delta: -116.3 MB). Peak memory consumption was 292.6 MB. Max. memory is 7.1 GB. [2020-07-11 02:31:33,567 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-11 02:31:33,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.14 ms. Allocated memory is still 140.5 MB. Free memory was 103.3 MB in the beginning and 90.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2020-07-11 02:31:33,571 INFO L168 Benchmark]: Boogie Preprocessor took 140.31 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 90.1 MB in the beginning and 180.4 MB in the end (delta: -90.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2020-07-11 02:31:33,571 INFO L168 Benchmark]: RCFGBuilder took 737.33 ms. Allocated memory is still 202.9 MB. Free memory was 180.4 MB in the beginning and 126.4 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. [2020-07-11 02:31:33,571 INFO L168 Benchmark]: TraceAbstraction took 143184.58 ms. Allocated memory was 202.9 MB in the beginning and 549.5 MB in the end (delta: 346.6 MB). Free memory was 125.7 MB in the beginning and 219.9 MB in the end (delta: -94.1 MB). Peak memory consumption was 252.4 MB. Max. memory is 7.1 GB. [2020-07-11 02:31:33,574 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 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 356.14 ms. Allocated memory is still 140.5 MB. Free memory was 103.3 MB in the beginning and 90.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.31 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 90.1 MB in the beginning and 180.4 MB in the end (delta: -90.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 737.33 ms. Allocated memory is still 202.9 MB. Free memory was 180.4 MB in the beginning and 126.4 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 143184.58 ms. Allocated memory was 202.9 MB in the beginning and 549.5 MB in the end (delta: 346.6 MB). Free memory was 125.7 MB in the beginning and 219.9 MB in the end (delta: -94.1 MB). Peak memory consumption was 252.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 255]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 151]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 163]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 227]: 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: 191]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 243]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 215]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 98]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 203]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 74]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 139]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 110]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 86]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 57]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((\old(__return_334) == __return_334 && !(__VERIFIER_assert__cond == 0)) && ((((main__limit + 4 <= main__bufsize && !(__VERIFIER_assert__cond == 0)) && !(0 == __tmp_13)) && 1 <= main__i) || ((main__limit + 4 <= main__bufsize && main__j + 4 <= main__bufsize) && 1 <= main__i))) && 1 <= main__j) && !(0 == __tmp_15)) || ((((\old(__return_334) == __return_334 && main__i < main__len) && 0 <= main__j) && main__limit + 4 <= main__bufsize) && 0 <= main__i)) || (((\old(__return_334) == __return_334 && main__j + 4 <= main__bufsize) && ((((main__limit + 4 <= main__bufsize && !(__VERIFIER_assert__cond == 0)) && !(0 == __tmp_13)) && 1 <= main__i) || ((main__limit + 4 <= main__bufsize && main__j + 4 <= main__bufsize) && 1 <= main__i))) && 1 <= main__j) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((main__i < main__len && \old(__return_334) == __return_334) && 0 <= main__j) && main__limit + 4 <= main__bufsize) && 0 <= main__i) && main__j + 5 <= main__bufsize - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (\old(__return_334) == __return_334 && main__limit + 4 <= main__bufsize) && 0 <= main__i - ProcedureContractResult [Line: 11]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 183 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 105.8s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 74.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 37.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3461 SDtfs, 8686 SDslu, 396 SDs, 0 SdLazy, 6219 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred 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: 19.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 1653 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 178 LocationsWithAnnotation, 178 PreInvPairs, 848 NumberOfFragments, 6575 HoareAnnotationTreeSize, 178 FomulaSimplifications, 3317376878 FormulaSimplificationTreeSizeReduction, 8.3s HoareSimplificationTime, 178 FomulaSimplificationsInter, 18240044 FormulaSimplificationTreeSizeReductionInter, 28.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 922 NumberOfCodeBlocks, 922 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 182160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 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...