/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/locks/test_locks_11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 05:06:29,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:06:29,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:06:29,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:06:29,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:06:29,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:06:29,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:06:29,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:06:29,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:06:29,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:06:29,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:06:29,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:06:29,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:06:29,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:06:29,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:06:29,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:06:29,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:06:29,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:06:29,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:06:29,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:06:29,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:06:29,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:06:29,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:06:29,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:06:29,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:06:29,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:06:29,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:06:29,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:06:29,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:06:29,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:06:29,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:06:29,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:06:29,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:06:29,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:06:29,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:06:29,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:06:29,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:06:29,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:06:29,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:06:29,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:06:29,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:06:29,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 05:06:29,792 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:06:29,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:06:29,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:06:29,794 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:06:29,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:06:29,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:06:29,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:06:29,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:06:29,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:06:29,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:06:29,795 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:06:29,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:06:29,796 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:06:29,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:06:29,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:06:29,796 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:06:29,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:06:29,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:06:29,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:06:29,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:06:29,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:06:29,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:06:29,798 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 [2020-07-18 05:06:30,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:06:30,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:06:30,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:06:30,131 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:06:30,131 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:06:30,132 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_11.c [2020-07-18 05:06:30,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f90026c/d6fc2784443046dda225626ef4af4a69/FLAG454e4bb21 [2020-07-18 05:06:30,682 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:06:30,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_11.c [2020-07-18 05:06:30,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f90026c/d6fc2784443046dda225626ef4af4a69/FLAG454e4bb21 [2020-07-18 05:06:31,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f90026c/d6fc2784443046dda225626ef4af4a69 [2020-07-18 05:06:31,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:06:31,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:06:31,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:06:31,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:06:31,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:06:31,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:06:31" (1/1) ... [2020-07-18 05:06:31,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707820b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:31, skipping insertion in model container [2020-07-18 05:06:31,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:06:31" (1/1) ... [2020-07-18 05:06:31,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:06:31,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:06:31,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:06:31,247 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:06:31,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:06:31,286 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:06:31,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:31 WrapperNode [2020-07-18 05:06:31,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:06:31,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:06:31,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:06:31,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:06:31,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:31" (1/1) ... [2020-07-18 05:06:31,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:31" (1/1) ... [2020-07-18 05:06:31,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:31" (1/1) ... [2020-07-18 05:06:31,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:31" (1/1) ... [2020-07-18 05:06:31,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:31" (1/1) ... [2020-07-18 05:06:31,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:31" (1/1) ... [2020-07-18 05:06:31,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:31" (1/1) ... [2020-07-18 05:06:31,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:06:31,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:06:31,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:06:31,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:06:31,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:31" (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 [2020-07-18 05:06:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:06:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:06:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:06:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:06:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 05:06:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:06:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:06:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:06:32,064 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:06:32,064 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-18 05:06:32,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:06:32 BoogieIcfgContainer [2020-07-18 05:06:32,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:06:32,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:06:32,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:06:32,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:06:32,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:06:31" (1/3) ... [2020-07-18 05:06:32,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380cd881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:06:32, skipping insertion in model container [2020-07-18 05:06:32,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:31" (2/3) ... [2020-07-18 05:06:32,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380cd881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:06:32, skipping insertion in model container [2020-07-18 05:06:32,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:06:32" (3/3) ... [2020-07-18 05:06:32,079 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_11.c [2020-07-18 05:06:32,090 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:06:32,098 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 05:06:32,113 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 05:06:32,136 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:06:32,137 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:06:32,137 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:06:32,137 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:06:32,137 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:06:32,138 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:06:32,138 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:06:32,138 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:06:32,161 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-07-18 05:06:32,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-18 05:06:32,177 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:32,178 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] [2020-07-18 05:06:32,179 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:32,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:32,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1546178992, now seen corresponding path program 1 times [2020-07-18 05:06:32,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:32,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390577678] [2020-07-18 05:06:32,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:32,447 INFO L280 TraceCheckUtils]: 0: Hoare triple {131#true} assume true; {131#true} is VALID [2020-07-18 05:06:32,447 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {131#true} {131#true} #295#return; {131#true} is VALID [2020-07-18 05:06:32,450 INFO L263 TraceCheckUtils]: 0: Hoare triple {131#true} call ULTIMATE.init(); {131#true} is VALID [2020-07-18 05:06:32,450 INFO L280 TraceCheckUtils]: 1: Hoare triple {131#true} assume true; {131#true} is VALID [2020-07-18 05:06:32,450 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {131#true} {131#true} #295#return; {131#true} is VALID [2020-07-18 05:06:32,451 INFO L263 TraceCheckUtils]: 3: Hoare triple {131#true} call #t~ret12 := main(); {131#true} is VALID [2020-07-18 05:06:32,451 INFO L280 TraceCheckUtils]: 4: Hoare triple {131#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {131#true} is VALID [2020-07-18 05:06:32,452 INFO L280 TraceCheckUtils]: 5: Hoare triple {131#true} ~p1~0 := #t~nondet0; {131#true} is VALID [2020-07-18 05:06:32,452 INFO L280 TraceCheckUtils]: 6: Hoare triple {131#true} havoc #t~nondet0; {131#true} is VALID [2020-07-18 05:06:32,452 INFO L280 TraceCheckUtils]: 7: Hoare triple {131#true} havoc ~lk1~0; {131#true} is VALID [2020-07-18 05:06:32,453 INFO L280 TraceCheckUtils]: 8: Hoare triple {131#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {131#true} is VALID [2020-07-18 05:06:32,453 INFO L280 TraceCheckUtils]: 9: Hoare triple {131#true} ~p2~0 := #t~nondet1; {131#true} is VALID [2020-07-18 05:06:32,454 INFO L280 TraceCheckUtils]: 10: Hoare triple {131#true} havoc #t~nondet1; {131#true} is VALID [2020-07-18 05:06:32,454 INFO L280 TraceCheckUtils]: 11: Hoare triple {131#true} havoc ~lk2~0; {131#true} is VALID [2020-07-18 05:06:32,454 INFO L280 TraceCheckUtils]: 12: Hoare triple {131#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {131#true} is VALID [2020-07-18 05:06:32,455 INFO L280 TraceCheckUtils]: 13: Hoare triple {131#true} ~p3~0 := #t~nondet2; {131#true} is VALID [2020-07-18 05:06:32,455 INFO L280 TraceCheckUtils]: 14: Hoare triple {131#true} havoc #t~nondet2; {131#true} is VALID [2020-07-18 05:06:32,455 INFO L280 TraceCheckUtils]: 15: Hoare triple {131#true} havoc ~lk3~0; {131#true} is VALID [2020-07-18 05:06:32,456 INFO L280 TraceCheckUtils]: 16: Hoare triple {131#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {131#true} is VALID [2020-07-18 05:06:32,456 INFO L280 TraceCheckUtils]: 17: Hoare triple {131#true} ~p4~0 := #t~nondet3; {131#true} is VALID [2020-07-18 05:06:32,457 INFO L280 TraceCheckUtils]: 18: Hoare triple {131#true} havoc #t~nondet3; {131#true} is VALID [2020-07-18 05:06:32,457 INFO L280 TraceCheckUtils]: 19: Hoare triple {131#true} havoc ~lk4~0; {131#true} is VALID [2020-07-18 05:06:32,457 INFO L280 TraceCheckUtils]: 20: Hoare triple {131#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {131#true} is VALID [2020-07-18 05:06:32,458 INFO L280 TraceCheckUtils]: 21: Hoare triple {131#true} ~p5~0 := #t~nondet4; {131#true} is VALID [2020-07-18 05:06:32,458 INFO L280 TraceCheckUtils]: 22: Hoare triple {131#true} havoc #t~nondet4; {131#true} is VALID [2020-07-18 05:06:32,458 INFO L280 TraceCheckUtils]: 23: Hoare triple {131#true} havoc ~lk5~0; {131#true} is VALID [2020-07-18 05:06:32,459 INFO L280 TraceCheckUtils]: 24: Hoare triple {131#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {131#true} is VALID [2020-07-18 05:06:32,459 INFO L280 TraceCheckUtils]: 25: Hoare triple {131#true} ~p6~0 := #t~nondet5; {131#true} is VALID [2020-07-18 05:06:32,459 INFO L280 TraceCheckUtils]: 26: Hoare triple {131#true} havoc #t~nondet5; {131#true} is VALID [2020-07-18 05:06:32,460 INFO L280 TraceCheckUtils]: 27: Hoare triple {131#true} havoc ~lk6~0; {131#true} is VALID [2020-07-18 05:06:32,460 INFO L280 TraceCheckUtils]: 28: Hoare triple {131#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {131#true} is VALID [2020-07-18 05:06:32,460 INFO L280 TraceCheckUtils]: 29: Hoare triple {131#true} ~p7~0 := #t~nondet6; {131#true} is VALID [2020-07-18 05:06:32,461 INFO L280 TraceCheckUtils]: 30: Hoare triple {131#true} havoc #t~nondet6; {131#true} is VALID [2020-07-18 05:06:32,461 INFO L280 TraceCheckUtils]: 31: Hoare triple {131#true} havoc ~lk7~0; {131#true} is VALID [2020-07-18 05:06:32,461 INFO L280 TraceCheckUtils]: 32: Hoare triple {131#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {131#true} is VALID [2020-07-18 05:06:32,462 INFO L280 TraceCheckUtils]: 33: Hoare triple {131#true} ~p8~0 := #t~nondet7; {131#true} is VALID [2020-07-18 05:06:32,462 INFO L280 TraceCheckUtils]: 34: Hoare triple {131#true} havoc #t~nondet7; {131#true} is VALID [2020-07-18 05:06:32,462 INFO L280 TraceCheckUtils]: 35: Hoare triple {131#true} havoc ~lk8~0; {131#true} is VALID [2020-07-18 05:06:32,463 INFO L280 TraceCheckUtils]: 36: Hoare triple {131#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {131#true} is VALID [2020-07-18 05:06:32,463 INFO L280 TraceCheckUtils]: 37: Hoare triple {131#true} ~p9~0 := #t~nondet8; {131#true} is VALID [2020-07-18 05:06:32,463 INFO L280 TraceCheckUtils]: 38: Hoare triple {131#true} havoc #t~nondet8; {131#true} is VALID [2020-07-18 05:06:32,464 INFO L280 TraceCheckUtils]: 39: Hoare triple {131#true} havoc ~lk9~0; {131#true} is VALID [2020-07-18 05:06:32,464 INFO L280 TraceCheckUtils]: 40: Hoare triple {131#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {131#true} is VALID [2020-07-18 05:06:32,464 INFO L280 TraceCheckUtils]: 41: Hoare triple {131#true} ~p10~0 := #t~nondet9; {131#true} is VALID [2020-07-18 05:06:32,465 INFO L280 TraceCheckUtils]: 42: Hoare triple {131#true} havoc #t~nondet9; {131#true} is VALID [2020-07-18 05:06:32,465 INFO L280 TraceCheckUtils]: 43: Hoare triple {131#true} havoc ~lk10~0; {131#true} is VALID [2020-07-18 05:06:32,465 INFO L280 TraceCheckUtils]: 44: Hoare triple {131#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {131#true} is VALID [2020-07-18 05:06:32,466 INFO L280 TraceCheckUtils]: 45: Hoare triple {131#true} ~p11~0 := #t~nondet10; {131#true} is VALID [2020-07-18 05:06:32,466 INFO L280 TraceCheckUtils]: 46: Hoare triple {131#true} havoc #t~nondet10; {131#true} is VALID [2020-07-18 05:06:32,466 INFO L280 TraceCheckUtils]: 47: Hoare triple {131#true} havoc ~lk11~0; {131#true} is VALID [2020-07-18 05:06:32,467 INFO L280 TraceCheckUtils]: 48: Hoare triple {131#true} havoc ~cond~0; {131#true} is VALID [2020-07-18 05:06:32,467 INFO L280 TraceCheckUtils]: 49: Hoare triple {131#true} assume !false; {131#true} is VALID [2020-07-18 05:06:32,467 INFO L280 TraceCheckUtils]: 50: Hoare triple {131#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {131#true} is VALID [2020-07-18 05:06:32,468 INFO L280 TraceCheckUtils]: 51: Hoare triple {131#true} ~cond~0 := #t~nondet11; {131#true} is VALID [2020-07-18 05:06:32,468 INFO L280 TraceCheckUtils]: 52: Hoare triple {131#true} havoc #t~nondet11; {131#true} is VALID [2020-07-18 05:06:32,468 INFO L280 TraceCheckUtils]: 53: Hoare triple {131#true} assume !(0 == ~cond~0); {131#true} is VALID [2020-07-18 05:06:32,469 INFO L280 TraceCheckUtils]: 54: Hoare triple {131#true} ~lk1~0 := 0; {131#true} is VALID [2020-07-18 05:06:32,469 INFO L280 TraceCheckUtils]: 55: Hoare triple {131#true} ~lk2~0 := 0; {131#true} is VALID [2020-07-18 05:06:32,469 INFO L280 TraceCheckUtils]: 56: Hoare triple {131#true} ~lk3~0 := 0; {131#true} is VALID [2020-07-18 05:06:32,470 INFO L280 TraceCheckUtils]: 57: Hoare triple {131#true} ~lk4~0 := 0; {131#true} is VALID [2020-07-18 05:06:32,470 INFO L280 TraceCheckUtils]: 58: Hoare triple {131#true} ~lk5~0 := 0; {131#true} is VALID [2020-07-18 05:06:32,470 INFO L280 TraceCheckUtils]: 59: Hoare triple {131#true} ~lk6~0 := 0; {131#true} is VALID [2020-07-18 05:06:32,471 INFO L280 TraceCheckUtils]: 60: Hoare triple {131#true} ~lk7~0 := 0; {131#true} is VALID [2020-07-18 05:06:32,471 INFO L280 TraceCheckUtils]: 61: Hoare triple {131#true} ~lk8~0 := 0; {131#true} is VALID [2020-07-18 05:06:32,471 INFO L280 TraceCheckUtils]: 62: Hoare triple {131#true} ~lk9~0 := 0; {131#true} is VALID [2020-07-18 05:06:32,472 INFO L280 TraceCheckUtils]: 63: Hoare triple {131#true} ~lk10~0 := 0; {131#true} is VALID [2020-07-18 05:06:32,472 INFO L280 TraceCheckUtils]: 64: Hoare triple {131#true} ~lk11~0 := 0; {131#true} is VALID [2020-07-18 05:06:32,473 INFO L280 TraceCheckUtils]: 65: Hoare triple {131#true} assume !(0 != ~p1~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:32,475 INFO L280 TraceCheckUtils]: 66: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p2~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:32,477 INFO L280 TraceCheckUtils]: 67: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p3~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:32,478 INFO L280 TraceCheckUtils]: 68: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p4~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:32,478 INFO L280 TraceCheckUtils]: 69: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p5~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:32,479 INFO L280 TraceCheckUtils]: 70: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p6~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:32,480 INFO L280 TraceCheckUtils]: 71: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p7~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:32,481 INFO L280 TraceCheckUtils]: 72: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p8~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:32,482 INFO L280 TraceCheckUtils]: 73: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p9~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:32,483 INFO L280 TraceCheckUtils]: 74: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p10~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:32,484 INFO L280 TraceCheckUtils]: 75: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p11~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:32,486 INFO L280 TraceCheckUtils]: 76: Hoare triple {135#(= 0 main_~p1~0)} assume 0 != ~p1~0; {132#false} is VALID [2020-07-18 05:06:32,486 INFO L280 TraceCheckUtils]: 77: Hoare triple {132#false} assume 1 != ~lk1~0; {132#false} is VALID [2020-07-18 05:06:32,487 INFO L280 TraceCheckUtils]: 78: Hoare triple {132#false} assume !false; {132#false} is VALID [2020-07-18 05:06:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:06:32,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390577678] [2020-07-18 05:06:32,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:32,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:32,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258121855] [2020-07-18 05:06:32,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-18 05:06:32,518 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:32,521 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:32,645 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:32,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:32,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:32,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:32,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:32,656 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2020-07-18 05:06:33,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:33,334 INFO L93 Difference]: Finished difference Result 279 states and 384 transitions. [2020-07-18 05:06:33,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:33,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-18 05:06:33,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:33,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2020-07-18 05:06:33,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:33,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2020-07-18 05:06:33,374 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 384 transitions. [2020-07-18 05:06:33,805 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 384 edges. 384 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:33,839 INFO L225 Difference]: With dead ends: 279 [2020-07-18 05:06:33,840 INFO L226 Difference]: Without dead ends: 192 [2020-07-18 05:06:33,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:33,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-18 05:06:34,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 190. [2020-07-18 05:06:34,044 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:34,044 INFO L82 GeneralOperation]: Start isEquivalent. First operand 192 states. Second operand 190 states. [2020-07-18 05:06:34,045 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states. Second operand 190 states. [2020-07-18 05:06:34,045 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 190 states. [2020-07-18 05:06:34,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:34,058 INFO L93 Difference]: Finished difference Result 192 states and 253 transitions. [2020-07-18 05:06:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 253 transitions. [2020-07-18 05:06:34,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:34,061 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:34,061 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 192 states. [2020-07-18 05:06:34,061 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 192 states. [2020-07-18 05:06:34,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:34,073 INFO L93 Difference]: Finished difference Result 192 states and 253 transitions. [2020-07-18 05:06:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 253 transitions. [2020-07-18 05:06:34,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:34,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:34,076 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:34,076 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:34,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-07-18 05:06:34,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 252 transitions. [2020-07-18 05:06:34,088 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 252 transitions. Word has length 79 [2020-07-18 05:06:34,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:34,089 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 252 transitions. [2020-07-18 05:06:34,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:34,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 190 states and 252 transitions. [2020-07-18 05:06:34,347 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 252 edges. 252 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 252 transitions. [2020-07-18 05:06:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-18 05:06:34,351 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:34,351 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] [2020-07-18 05:06:34,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:06:34,351 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:34,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:34,352 INFO L82 PathProgramCache]: Analyzing trace with hash 687152074, now seen corresponding path program 1 times [2020-07-18 05:06:34,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:34,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1331883054] [2020-07-18 05:06:34,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:34,481 INFO L280 TraceCheckUtils]: 0: Hoare triple {1460#true} assume true; {1460#true} is VALID [2020-07-18 05:06:34,481 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1460#true} {1460#true} #295#return; {1460#true} is VALID [2020-07-18 05:06:34,481 INFO L263 TraceCheckUtils]: 0: Hoare triple {1460#true} call ULTIMATE.init(); {1460#true} is VALID [2020-07-18 05:06:34,482 INFO L280 TraceCheckUtils]: 1: Hoare triple {1460#true} assume true; {1460#true} is VALID [2020-07-18 05:06:34,482 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1460#true} {1460#true} #295#return; {1460#true} is VALID [2020-07-18 05:06:34,482 INFO L263 TraceCheckUtils]: 3: Hoare triple {1460#true} call #t~ret12 := main(); {1460#true} is VALID [2020-07-18 05:06:34,482 INFO L280 TraceCheckUtils]: 4: Hoare triple {1460#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1460#true} is VALID [2020-07-18 05:06:34,483 INFO L280 TraceCheckUtils]: 5: Hoare triple {1460#true} ~p1~0 := #t~nondet0; {1460#true} is VALID [2020-07-18 05:06:34,483 INFO L280 TraceCheckUtils]: 6: Hoare triple {1460#true} havoc #t~nondet0; {1460#true} is VALID [2020-07-18 05:06:34,483 INFO L280 TraceCheckUtils]: 7: Hoare triple {1460#true} havoc ~lk1~0; {1460#true} is VALID [2020-07-18 05:06:34,483 INFO L280 TraceCheckUtils]: 8: Hoare triple {1460#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1460#true} is VALID [2020-07-18 05:06:34,484 INFO L280 TraceCheckUtils]: 9: Hoare triple {1460#true} ~p2~0 := #t~nondet1; {1460#true} is VALID [2020-07-18 05:06:34,484 INFO L280 TraceCheckUtils]: 10: Hoare triple {1460#true} havoc #t~nondet1; {1460#true} is VALID [2020-07-18 05:06:34,484 INFO L280 TraceCheckUtils]: 11: Hoare triple {1460#true} havoc ~lk2~0; {1460#true} is VALID [2020-07-18 05:06:34,484 INFO L280 TraceCheckUtils]: 12: Hoare triple {1460#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {1460#true} is VALID [2020-07-18 05:06:34,484 INFO L280 TraceCheckUtils]: 13: Hoare triple {1460#true} ~p3~0 := #t~nondet2; {1460#true} is VALID [2020-07-18 05:06:34,485 INFO L280 TraceCheckUtils]: 14: Hoare triple {1460#true} havoc #t~nondet2; {1460#true} is VALID [2020-07-18 05:06:34,485 INFO L280 TraceCheckUtils]: 15: Hoare triple {1460#true} havoc ~lk3~0; {1460#true} is VALID [2020-07-18 05:06:34,485 INFO L280 TraceCheckUtils]: 16: Hoare triple {1460#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {1460#true} is VALID [2020-07-18 05:06:34,485 INFO L280 TraceCheckUtils]: 17: Hoare triple {1460#true} ~p4~0 := #t~nondet3; {1460#true} is VALID [2020-07-18 05:06:34,486 INFO L280 TraceCheckUtils]: 18: Hoare triple {1460#true} havoc #t~nondet3; {1460#true} is VALID [2020-07-18 05:06:34,486 INFO L280 TraceCheckUtils]: 19: Hoare triple {1460#true} havoc ~lk4~0; {1460#true} is VALID [2020-07-18 05:06:34,486 INFO L280 TraceCheckUtils]: 20: Hoare triple {1460#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {1460#true} is VALID [2020-07-18 05:06:34,486 INFO L280 TraceCheckUtils]: 21: Hoare triple {1460#true} ~p5~0 := #t~nondet4; {1460#true} is VALID [2020-07-18 05:06:34,487 INFO L280 TraceCheckUtils]: 22: Hoare triple {1460#true} havoc #t~nondet4; {1460#true} is VALID [2020-07-18 05:06:34,487 INFO L280 TraceCheckUtils]: 23: Hoare triple {1460#true} havoc ~lk5~0; {1460#true} is VALID [2020-07-18 05:06:34,487 INFO L280 TraceCheckUtils]: 24: Hoare triple {1460#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {1460#true} is VALID [2020-07-18 05:06:34,488 INFO L280 TraceCheckUtils]: 25: Hoare triple {1460#true} ~p6~0 := #t~nondet5; {1460#true} is VALID [2020-07-18 05:06:34,488 INFO L280 TraceCheckUtils]: 26: Hoare triple {1460#true} havoc #t~nondet5; {1460#true} is VALID [2020-07-18 05:06:34,488 INFO L280 TraceCheckUtils]: 27: Hoare triple {1460#true} havoc ~lk6~0; {1460#true} is VALID [2020-07-18 05:06:34,489 INFO L280 TraceCheckUtils]: 28: Hoare triple {1460#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {1460#true} is VALID [2020-07-18 05:06:34,489 INFO L280 TraceCheckUtils]: 29: Hoare triple {1460#true} ~p7~0 := #t~nondet6; {1460#true} is VALID [2020-07-18 05:06:34,489 INFO L280 TraceCheckUtils]: 30: Hoare triple {1460#true} havoc #t~nondet6; {1460#true} is VALID [2020-07-18 05:06:34,489 INFO L280 TraceCheckUtils]: 31: Hoare triple {1460#true} havoc ~lk7~0; {1460#true} is VALID [2020-07-18 05:06:34,490 INFO L280 TraceCheckUtils]: 32: Hoare triple {1460#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {1460#true} is VALID [2020-07-18 05:06:34,490 INFO L280 TraceCheckUtils]: 33: Hoare triple {1460#true} ~p8~0 := #t~nondet7; {1460#true} is VALID [2020-07-18 05:06:34,490 INFO L280 TraceCheckUtils]: 34: Hoare triple {1460#true} havoc #t~nondet7; {1460#true} is VALID [2020-07-18 05:06:34,491 INFO L280 TraceCheckUtils]: 35: Hoare triple {1460#true} havoc ~lk8~0; {1460#true} is VALID [2020-07-18 05:06:34,491 INFO L280 TraceCheckUtils]: 36: Hoare triple {1460#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {1460#true} is VALID [2020-07-18 05:06:34,491 INFO L280 TraceCheckUtils]: 37: Hoare triple {1460#true} ~p9~0 := #t~nondet8; {1460#true} is VALID [2020-07-18 05:06:34,491 INFO L280 TraceCheckUtils]: 38: Hoare triple {1460#true} havoc #t~nondet8; {1460#true} is VALID [2020-07-18 05:06:34,492 INFO L280 TraceCheckUtils]: 39: Hoare triple {1460#true} havoc ~lk9~0; {1460#true} is VALID [2020-07-18 05:06:34,492 INFO L280 TraceCheckUtils]: 40: Hoare triple {1460#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {1460#true} is VALID [2020-07-18 05:06:34,492 INFO L280 TraceCheckUtils]: 41: Hoare triple {1460#true} ~p10~0 := #t~nondet9; {1460#true} is VALID [2020-07-18 05:06:34,493 INFO L280 TraceCheckUtils]: 42: Hoare triple {1460#true} havoc #t~nondet9; {1460#true} is VALID [2020-07-18 05:06:34,493 INFO L280 TraceCheckUtils]: 43: Hoare triple {1460#true} havoc ~lk10~0; {1460#true} is VALID [2020-07-18 05:06:34,493 INFO L280 TraceCheckUtils]: 44: Hoare triple {1460#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {1460#true} is VALID [2020-07-18 05:06:34,493 INFO L280 TraceCheckUtils]: 45: Hoare triple {1460#true} ~p11~0 := #t~nondet10; {1460#true} is VALID [2020-07-18 05:06:34,494 INFO L280 TraceCheckUtils]: 46: Hoare triple {1460#true} havoc #t~nondet10; {1460#true} is VALID [2020-07-18 05:06:34,494 INFO L280 TraceCheckUtils]: 47: Hoare triple {1460#true} havoc ~lk11~0; {1460#true} is VALID [2020-07-18 05:06:34,494 INFO L280 TraceCheckUtils]: 48: Hoare triple {1460#true} havoc ~cond~0; {1460#true} is VALID [2020-07-18 05:06:34,495 INFO L280 TraceCheckUtils]: 49: Hoare triple {1460#true} assume !false; {1460#true} is VALID [2020-07-18 05:06:34,495 INFO L280 TraceCheckUtils]: 50: Hoare triple {1460#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {1460#true} is VALID [2020-07-18 05:06:34,495 INFO L280 TraceCheckUtils]: 51: Hoare triple {1460#true} ~cond~0 := #t~nondet11; {1460#true} is VALID [2020-07-18 05:06:34,495 INFO L280 TraceCheckUtils]: 52: Hoare triple {1460#true} havoc #t~nondet11; {1460#true} is VALID [2020-07-18 05:06:34,496 INFO L280 TraceCheckUtils]: 53: Hoare triple {1460#true} assume !(0 == ~cond~0); {1460#true} is VALID [2020-07-18 05:06:34,496 INFO L280 TraceCheckUtils]: 54: Hoare triple {1460#true} ~lk1~0 := 0; {1460#true} is VALID [2020-07-18 05:06:34,496 INFO L280 TraceCheckUtils]: 55: Hoare triple {1460#true} ~lk2~0 := 0; {1460#true} is VALID [2020-07-18 05:06:34,497 INFO L280 TraceCheckUtils]: 56: Hoare triple {1460#true} ~lk3~0 := 0; {1460#true} is VALID [2020-07-18 05:06:34,497 INFO L280 TraceCheckUtils]: 57: Hoare triple {1460#true} ~lk4~0 := 0; {1460#true} is VALID [2020-07-18 05:06:34,497 INFO L280 TraceCheckUtils]: 58: Hoare triple {1460#true} ~lk5~0 := 0; {1460#true} is VALID [2020-07-18 05:06:34,497 INFO L280 TraceCheckUtils]: 59: Hoare triple {1460#true} ~lk6~0 := 0; {1460#true} is VALID [2020-07-18 05:06:34,498 INFO L280 TraceCheckUtils]: 60: Hoare triple {1460#true} ~lk7~0 := 0; {1460#true} is VALID [2020-07-18 05:06:34,498 INFO L280 TraceCheckUtils]: 61: Hoare triple {1460#true} ~lk8~0 := 0; {1460#true} is VALID [2020-07-18 05:06:34,498 INFO L280 TraceCheckUtils]: 62: Hoare triple {1460#true} ~lk9~0 := 0; {1460#true} is VALID [2020-07-18 05:06:34,498 INFO L280 TraceCheckUtils]: 63: Hoare triple {1460#true} ~lk10~0 := 0; {1460#true} is VALID [2020-07-18 05:06:34,499 INFO L280 TraceCheckUtils]: 64: Hoare triple {1460#true} ~lk11~0 := 0; {1460#true} is VALID [2020-07-18 05:06:34,499 INFO L280 TraceCheckUtils]: 65: Hoare triple {1460#true} assume !(0 != ~p1~0); {1460#true} is VALID [2020-07-18 05:06:34,500 INFO L280 TraceCheckUtils]: 66: Hoare triple {1460#true} assume !(0 != ~p2~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:34,501 INFO L280 TraceCheckUtils]: 67: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p3~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:34,501 INFO L280 TraceCheckUtils]: 68: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p4~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:34,502 INFO L280 TraceCheckUtils]: 69: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p5~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:34,502 INFO L280 TraceCheckUtils]: 70: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p6~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:34,503 INFO L280 TraceCheckUtils]: 71: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p7~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:34,504 INFO L280 TraceCheckUtils]: 72: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p8~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:34,504 INFO L280 TraceCheckUtils]: 73: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p9~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:34,505 INFO L280 TraceCheckUtils]: 74: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p10~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:34,505 INFO L280 TraceCheckUtils]: 75: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p11~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:34,506 INFO L280 TraceCheckUtils]: 76: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p1~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:34,507 INFO L280 TraceCheckUtils]: 77: Hoare triple {1464#(= 0 main_~p2~0)} assume 0 != ~p2~0; {1461#false} is VALID [2020-07-18 05:06:34,507 INFO L280 TraceCheckUtils]: 78: Hoare triple {1461#false} assume 1 != ~lk2~0; {1461#false} is VALID [2020-07-18 05:06:34,507 INFO L280 TraceCheckUtils]: 79: Hoare triple {1461#false} assume !false; {1461#false} is VALID [2020-07-18 05:06:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:06:34,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1331883054] [2020-07-18 05:06:34,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:34,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:34,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514370648] [2020-07-18 05:06:34,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-18 05:06:34,518 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:34,519 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:34,584 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:34,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:34,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:34,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:34,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:34,585 INFO L87 Difference]: Start difference. First operand 190 states and 252 transitions. Second operand 3 states. [2020-07-18 05:06:35,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:35,210 INFO L93 Difference]: Finished difference Result 466 states and 650 transitions. [2020-07-18 05:06:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:35,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-18 05:06:35,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-18 05:06:35,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:35,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-18 05:06:35,221 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 360 transitions. [2020-07-18 05:06:35,599 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 360 edges. 360 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:35,608 INFO L225 Difference]: With dead ends: 466 [2020-07-18 05:06:35,609 INFO L226 Difference]: Without dead ends: 325 [2020-07-18 05:06:35,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:35,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-07-18 05:06:35,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 323. [2020-07-18 05:06:35,902 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:35,902 INFO L82 GeneralOperation]: Start isEquivalent. First operand 325 states. Second operand 323 states. [2020-07-18 05:06:35,902 INFO L74 IsIncluded]: Start isIncluded. First operand 325 states. Second operand 323 states. [2020-07-18 05:06:35,902 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 323 states. [2020-07-18 05:06:35,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:35,936 INFO L93 Difference]: Finished difference Result 325 states and 443 transitions. [2020-07-18 05:06:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 443 transitions. [2020-07-18 05:06:35,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:35,937 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:35,937 INFO L74 IsIncluded]: Start isIncluded. First operand 323 states. Second operand 325 states. [2020-07-18 05:06:35,938 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 325 states. [2020-07-18 05:06:35,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:35,971 INFO L93 Difference]: Finished difference Result 325 states and 443 transitions. [2020-07-18 05:06:35,971 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 443 transitions. [2020-07-18 05:06:35,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:35,972 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:35,972 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:35,972 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-07-18 05:06:35,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 442 transitions. [2020-07-18 05:06:35,985 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 442 transitions. Word has length 80 [2020-07-18 05:06:35,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:35,986 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 442 transitions. [2020-07-18 05:06:35,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:35,986 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 323 states and 442 transitions. [2020-07-18 05:06:36,439 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 442 edges. 442 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:36,440 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 442 transitions. [2020-07-18 05:06:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-18 05:06:36,443 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:36,443 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] [2020-07-18 05:06:36,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 05:06:36,444 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:36,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:36,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1261830773, now seen corresponding path program 1 times [2020-07-18 05:06:36,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:36,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179185790] [2020-07-18 05:06:36,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:36,537 INFO L280 TraceCheckUtils]: 0: Hoare triple {3695#true} assume true; {3695#true} is VALID [2020-07-18 05:06:36,537 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3695#true} {3695#true} #295#return; {3695#true} is VALID [2020-07-18 05:06:36,537 INFO L263 TraceCheckUtils]: 0: Hoare triple {3695#true} call ULTIMATE.init(); {3695#true} is VALID [2020-07-18 05:06:36,537 INFO L280 TraceCheckUtils]: 1: Hoare triple {3695#true} assume true; {3695#true} is VALID [2020-07-18 05:06:36,538 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3695#true} {3695#true} #295#return; {3695#true} is VALID [2020-07-18 05:06:36,538 INFO L263 TraceCheckUtils]: 3: Hoare triple {3695#true} call #t~ret12 := main(); {3695#true} is VALID [2020-07-18 05:06:36,538 INFO L280 TraceCheckUtils]: 4: Hoare triple {3695#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {3695#true} is VALID [2020-07-18 05:06:36,539 INFO L280 TraceCheckUtils]: 5: Hoare triple {3695#true} ~p1~0 := #t~nondet0; {3695#true} is VALID [2020-07-18 05:06:36,539 INFO L280 TraceCheckUtils]: 6: Hoare triple {3695#true} havoc #t~nondet0; {3695#true} is VALID [2020-07-18 05:06:36,539 INFO L280 TraceCheckUtils]: 7: Hoare triple {3695#true} havoc ~lk1~0; {3695#true} is VALID [2020-07-18 05:06:36,540 INFO L280 TraceCheckUtils]: 8: Hoare triple {3695#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {3695#true} is VALID [2020-07-18 05:06:36,540 INFO L280 TraceCheckUtils]: 9: Hoare triple {3695#true} ~p2~0 := #t~nondet1; {3695#true} is VALID [2020-07-18 05:06:36,540 INFO L280 TraceCheckUtils]: 10: Hoare triple {3695#true} havoc #t~nondet1; {3695#true} is VALID [2020-07-18 05:06:36,540 INFO L280 TraceCheckUtils]: 11: Hoare triple {3695#true} havoc ~lk2~0; {3695#true} is VALID [2020-07-18 05:06:36,541 INFO L280 TraceCheckUtils]: 12: Hoare triple {3695#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {3695#true} is VALID [2020-07-18 05:06:36,541 INFO L280 TraceCheckUtils]: 13: Hoare triple {3695#true} ~p3~0 := #t~nondet2; {3695#true} is VALID [2020-07-18 05:06:36,541 INFO L280 TraceCheckUtils]: 14: Hoare triple {3695#true} havoc #t~nondet2; {3695#true} is VALID [2020-07-18 05:06:36,542 INFO L280 TraceCheckUtils]: 15: Hoare triple {3695#true} havoc ~lk3~0; {3695#true} is VALID [2020-07-18 05:06:36,542 INFO L280 TraceCheckUtils]: 16: Hoare triple {3695#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {3695#true} is VALID [2020-07-18 05:06:36,542 INFO L280 TraceCheckUtils]: 17: Hoare triple {3695#true} ~p4~0 := #t~nondet3; {3695#true} is VALID [2020-07-18 05:06:36,542 INFO L280 TraceCheckUtils]: 18: Hoare triple {3695#true} havoc #t~nondet3; {3695#true} is VALID [2020-07-18 05:06:36,543 INFO L280 TraceCheckUtils]: 19: Hoare triple {3695#true} havoc ~lk4~0; {3695#true} is VALID [2020-07-18 05:06:36,543 INFO L280 TraceCheckUtils]: 20: Hoare triple {3695#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {3695#true} is VALID [2020-07-18 05:06:36,543 INFO L280 TraceCheckUtils]: 21: Hoare triple {3695#true} ~p5~0 := #t~nondet4; {3695#true} is VALID [2020-07-18 05:06:36,544 INFO L280 TraceCheckUtils]: 22: Hoare triple {3695#true} havoc #t~nondet4; {3695#true} is VALID [2020-07-18 05:06:36,544 INFO L280 TraceCheckUtils]: 23: Hoare triple {3695#true} havoc ~lk5~0; {3695#true} is VALID [2020-07-18 05:06:36,544 INFO L280 TraceCheckUtils]: 24: Hoare triple {3695#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {3695#true} is VALID [2020-07-18 05:06:36,545 INFO L280 TraceCheckUtils]: 25: Hoare triple {3695#true} ~p6~0 := #t~nondet5; {3695#true} is VALID [2020-07-18 05:06:36,545 INFO L280 TraceCheckUtils]: 26: Hoare triple {3695#true} havoc #t~nondet5; {3695#true} is VALID [2020-07-18 05:06:36,545 INFO L280 TraceCheckUtils]: 27: Hoare triple {3695#true} havoc ~lk6~0; {3695#true} is VALID [2020-07-18 05:06:36,545 INFO L280 TraceCheckUtils]: 28: Hoare triple {3695#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {3695#true} is VALID [2020-07-18 05:06:36,546 INFO L280 TraceCheckUtils]: 29: Hoare triple {3695#true} ~p7~0 := #t~nondet6; {3695#true} is VALID [2020-07-18 05:06:36,546 INFO L280 TraceCheckUtils]: 30: Hoare triple {3695#true} havoc #t~nondet6; {3695#true} is VALID [2020-07-18 05:06:36,546 INFO L280 TraceCheckUtils]: 31: Hoare triple {3695#true} havoc ~lk7~0; {3695#true} is VALID [2020-07-18 05:06:36,547 INFO L280 TraceCheckUtils]: 32: Hoare triple {3695#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {3695#true} is VALID [2020-07-18 05:06:36,547 INFO L280 TraceCheckUtils]: 33: Hoare triple {3695#true} ~p8~0 := #t~nondet7; {3695#true} is VALID [2020-07-18 05:06:36,547 INFO L280 TraceCheckUtils]: 34: Hoare triple {3695#true} havoc #t~nondet7; {3695#true} is VALID [2020-07-18 05:06:36,547 INFO L280 TraceCheckUtils]: 35: Hoare triple {3695#true} havoc ~lk8~0; {3695#true} is VALID [2020-07-18 05:06:36,548 INFO L280 TraceCheckUtils]: 36: Hoare triple {3695#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {3695#true} is VALID [2020-07-18 05:06:36,548 INFO L280 TraceCheckUtils]: 37: Hoare triple {3695#true} ~p9~0 := #t~nondet8; {3695#true} is VALID [2020-07-18 05:06:36,548 INFO L280 TraceCheckUtils]: 38: Hoare triple {3695#true} havoc #t~nondet8; {3695#true} is VALID [2020-07-18 05:06:36,549 INFO L280 TraceCheckUtils]: 39: Hoare triple {3695#true} havoc ~lk9~0; {3695#true} is VALID [2020-07-18 05:06:36,549 INFO L280 TraceCheckUtils]: 40: Hoare triple {3695#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {3695#true} is VALID [2020-07-18 05:06:36,549 INFO L280 TraceCheckUtils]: 41: Hoare triple {3695#true} ~p10~0 := #t~nondet9; {3695#true} is VALID [2020-07-18 05:06:36,549 INFO L280 TraceCheckUtils]: 42: Hoare triple {3695#true} havoc #t~nondet9; {3695#true} is VALID [2020-07-18 05:06:36,550 INFO L280 TraceCheckUtils]: 43: Hoare triple {3695#true} havoc ~lk10~0; {3695#true} is VALID [2020-07-18 05:06:36,550 INFO L280 TraceCheckUtils]: 44: Hoare triple {3695#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {3695#true} is VALID [2020-07-18 05:06:36,550 INFO L280 TraceCheckUtils]: 45: Hoare triple {3695#true} ~p11~0 := #t~nondet10; {3695#true} is VALID [2020-07-18 05:06:36,550 INFO L280 TraceCheckUtils]: 46: Hoare triple {3695#true} havoc #t~nondet10; {3695#true} is VALID [2020-07-18 05:06:36,551 INFO L280 TraceCheckUtils]: 47: Hoare triple {3695#true} havoc ~lk11~0; {3695#true} is VALID [2020-07-18 05:06:36,551 INFO L280 TraceCheckUtils]: 48: Hoare triple {3695#true} havoc ~cond~0; {3695#true} is VALID [2020-07-18 05:06:36,551 INFO L280 TraceCheckUtils]: 49: Hoare triple {3695#true} assume !false; {3695#true} is VALID [2020-07-18 05:06:36,552 INFO L280 TraceCheckUtils]: 50: Hoare triple {3695#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {3695#true} is VALID [2020-07-18 05:06:36,552 INFO L280 TraceCheckUtils]: 51: Hoare triple {3695#true} ~cond~0 := #t~nondet11; {3695#true} is VALID [2020-07-18 05:06:36,552 INFO L280 TraceCheckUtils]: 52: Hoare triple {3695#true} havoc #t~nondet11; {3695#true} is VALID [2020-07-18 05:06:36,552 INFO L280 TraceCheckUtils]: 53: Hoare triple {3695#true} assume !(0 == ~cond~0); {3695#true} is VALID [2020-07-18 05:06:36,553 INFO L280 TraceCheckUtils]: 54: Hoare triple {3695#true} ~lk1~0 := 0; {3695#true} is VALID [2020-07-18 05:06:36,553 INFO L280 TraceCheckUtils]: 55: Hoare triple {3695#true} ~lk2~0 := 0; {3695#true} is VALID [2020-07-18 05:06:36,553 INFO L280 TraceCheckUtils]: 56: Hoare triple {3695#true} ~lk3~0 := 0; {3695#true} is VALID [2020-07-18 05:06:36,554 INFO L280 TraceCheckUtils]: 57: Hoare triple {3695#true} ~lk4~0 := 0; {3695#true} is VALID [2020-07-18 05:06:36,554 INFO L280 TraceCheckUtils]: 58: Hoare triple {3695#true} ~lk5~0 := 0; {3695#true} is VALID [2020-07-18 05:06:36,554 INFO L280 TraceCheckUtils]: 59: Hoare triple {3695#true} ~lk6~0 := 0; {3695#true} is VALID [2020-07-18 05:06:36,555 INFO L280 TraceCheckUtils]: 60: Hoare triple {3695#true} ~lk7~0 := 0; {3695#true} is VALID [2020-07-18 05:06:36,555 INFO L280 TraceCheckUtils]: 61: Hoare triple {3695#true} ~lk8~0 := 0; {3695#true} is VALID [2020-07-18 05:06:36,555 INFO L280 TraceCheckUtils]: 62: Hoare triple {3695#true} ~lk9~0 := 0; {3695#true} is VALID [2020-07-18 05:06:36,556 INFO L280 TraceCheckUtils]: 63: Hoare triple {3695#true} ~lk10~0 := 0; {3695#true} is VALID [2020-07-18 05:06:36,556 INFO L280 TraceCheckUtils]: 64: Hoare triple {3695#true} ~lk11~0 := 0; {3695#true} is VALID [2020-07-18 05:06:36,556 INFO L280 TraceCheckUtils]: 65: Hoare triple {3695#true} assume 0 != ~p1~0; {3695#true} is VALID [2020-07-18 05:06:36,557 INFO L280 TraceCheckUtils]: 66: Hoare triple {3695#true} ~lk1~0 := 1; {3699#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:36,558 INFO L280 TraceCheckUtils]: 67: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p2~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:36,559 INFO L280 TraceCheckUtils]: 68: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p3~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:36,560 INFO L280 TraceCheckUtils]: 69: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p4~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:36,560 INFO L280 TraceCheckUtils]: 70: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p5~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:36,561 INFO L280 TraceCheckUtils]: 71: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p6~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:36,562 INFO L280 TraceCheckUtils]: 72: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p7~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:36,562 INFO L280 TraceCheckUtils]: 73: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p8~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:36,563 INFO L280 TraceCheckUtils]: 74: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p9~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:36,563 INFO L280 TraceCheckUtils]: 75: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p10~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:36,564 INFO L280 TraceCheckUtils]: 76: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p11~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:36,564 INFO L280 TraceCheckUtils]: 77: Hoare triple {3699#(= 1 main_~lk1~0)} assume 0 != ~p1~0; {3699#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:36,565 INFO L280 TraceCheckUtils]: 78: Hoare triple {3699#(= 1 main_~lk1~0)} assume 1 != ~lk1~0; {3696#false} is VALID [2020-07-18 05:06:36,565 INFO L280 TraceCheckUtils]: 79: Hoare triple {3696#false} assume !false; {3696#false} is VALID [2020-07-18 05:06:36,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:06:36,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179185790] [2020-07-18 05:06:36,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:36,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:36,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762225762] [2020-07-18 05:06:36,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-18 05:06:36,576 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:36,577 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:36,663 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:36,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:36,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:36,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:36,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:36,665 INFO L87 Difference]: Start difference. First operand 323 states and 442 transitions. Second operand 3 states. [2020-07-18 05:06:37,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:37,334 INFO L93 Difference]: Finished difference Result 397 states and 552 transitions. [2020-07-18 05:06:37,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:37,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-18 05:06:37,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:37,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2020-07-18 05:06:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2020-07-18 05:06:37,346 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 243 transitions. [2020-07-18 05:06:37,563 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 243 edges. 243 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:37,585 INFO L225 Difference]: With dead ends: 397 [2020-07-18 05:06:37,585 INFO L226 Difference]: Without dead ends: 395 [2020-07-18 05:06:37,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:37,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-07-18 05:06:37,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 323. [2020-07-18 05:06:37,961 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:37,961 INFO L82 GeneralOperation]: Start isEquivalent. First operand 395 states. Second operand 323 states. [2020-07-18 05:06:37,962 INFO L74 IsIncluded]: Start isIncluded. First operand 395 states. Second operand 323 states. [2020-07-18 05:06:37,962 INFO L87 Difference]: Start difference. First operand 395 states. Second operand 323 states. [2020-07-18 05:06:37,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:37,980 INFO L93 Difference]: Finished difference Result 395 states and 549 transitions. [2020-07-18 05:06:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 549 transitions. [2020-07-18 05:06:37,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:37,982 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:37,982 INFO L74 IsIncluded]: Start isIncluded. First operand 323 states. Second operand 395 states. [2020-07-18 05:06:37,982 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 395 states. [2020-07-18 05:06:37,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:38,000 INFO L93 Difference]: Finished difference Result 395 states and 549 transitions. [2020-07-18 05:06:38,000 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 549 transitions. [2020-07-18 05:06:38,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:38,001 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:38,001 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:38,002 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-07-18 05:06:38,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 440 transitions. [2020-07-18 05:06:38,015 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 440 transitions. Word has length 80 [2020-07-18 05:06:38,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:38,015 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 440 transitions. [2020-07-18 05:06:38,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:38,016 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 323 states and 440 transitions. [2020-07-18 05:06:38,461 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 440 edges. 440 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:38,461 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 440 transitions. [2020-07-18 05:06:38,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-18 05:06:38,465 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:38,465 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] [2020-07-18 05:06:38,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 05:06:38,466 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:38,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:38,467 INFO L82 PathProgramCache]: Analyzing trace with hash 397182858, now seen corresponding path program 1 times [2020-07-18 05:06:38,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:38,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [900823029] [2020-07-18 05:06:38,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:38,546 INFO L280 TraceCheckUtils]: 0: Hoare triple {5932#true} assume true; {5932#true} is VALID [2020-07-18 05:06:38,546 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {5932#true} {5932#true} #295#return; {5932#true} is VALID [2020-07-18 05:06:38,547 INFO L263 TraceCheckUtils]: 0: Hoare triple {5932#true} call ULTIMATE.init(); {5932#true} is VALID [2020-07-18 05:06:38,547 INFO L280 TraceCheckUtils]: 1: Hoare triple {5932#true} assume true; {5932#true} is VALID [2020-07-18 05:06:38,547 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5932#true} {5932#true} #295#return; {5932#true} is VALID [2020-07-18 05:06:38,547 INFO L263 TraceCheckUtils]: 3: Hoare triple {5932#true} call #t~ret12 := main(); {5932#true} is VALID [2020-07-18 05:06:38,548 INFO L280 TraceCheckUtils]: 4: Hoare triple {5932#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {5932#true} is VALID [2020-07-18 05:06:38,548 INFO L280 TraceCheckUtils]: 5: Hoare triple {5932#true} ~p1~0 := #t~nondet0; {5932#true} is VALID [2020-07-18 05:06:38,548 INFO L280 TraceCheckUtils]: 6: Hoare triple {5932#true} havoc #t~nondet0; {5932#true} is VALID [2020-07-18 05:06:38,549 INFO L280 TraceCheckUtils]: 7: Hoare triple {5932#true} havoc ~lk1~0; {5932#true} is VALID [2020-07-18 05:06:38,549 INFO L280 TraceCheckUtils]: 8: Hoare triple {5932#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {5932#true} is VALID [2020-07-18 05:06:38,549 INFO L280 TraceCheckUtils]: 9: Hoare triple {5932#true} ~p2~0 := #t~nondet1; {5932#true} is VALID [2020-07-18 05:06:38,549 INFO L280 TraceCheckUtils]: 10: Hoare triple {5932#true} havoc #t~nondet1; {5932#true} is VALID [2020-07-18 05:06:38,550 INFO L280 TraceCheckUtils]: 11: Hoare triple {5932#true} havoc ~lk2~0; {5932#true} is VALID [2020-07-18 05:06:38,550 INFO L280 TraceCheckUtils]: 12: Hoare triple {5932#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {5932#true} is VALID [2020-07-18 05:06:38,550 INFO L280 TraceCheckUtils]: 13: Hoare triple {5932#true} ~p3~0 := #t~nondet2; {5932#true} is VALID [2020-07-18 05:06:38,550 INFO L280 TraceCheckUtils]: 14: Hoare triple {5932#true} havoc #t~nondet2; {5932#true} is VALID [2020-07-18 05:06:38,551 INFO L280 TraceCheckUtils]: 15: Hoare triple {5932#true} havoc ~lk3~0; {5932#true} is VALID [2020-07-18 05:06:38,551 INFO L280 TraceCheckUtils]: 16: Hoare triple {5932#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {5932#true} is VALID [2020-07-18 05:06:38,551 INFO L280 TraceCheckUtils]: 17: Hoare triple {5932#true} ~p4~0 := #t~nondet3; {5932#true} is VALID [2020-07-18 05:06:38,551 INFO L280 TraceCheckUtils]: 18: Hoare triple {5932#true} havoc #t~nondet3; {5932#true} is VALID [2020-07-18 05:06:38,551 INFO L280 TraceCheckUtils]: 19: Hoare triple {5932#true} havoc ~lk4~0; {5932#true} is VALID [2020-07-18 05:06:38,552 INFO L280 TraceCheckUtils]: 20: Hoare triple {5932#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {5932#true} is VALID [2020-07-18 05:06:38,552 INFO L280 TraceCheckUtils]: 21: Hoare triple {5932#true} ~p5~0 := #t~nondet4; {5932#true} is VALID [2020-07-18 05:06:38,552 INFO L280 TraceCheckUtils]: 22: Hoare triple {5932#true} havoc #t~nondet4; {5932#true} is VALID [2020-07-18 05:06:38,552 INFO L280 TraceCheckUtils]: 23: Hoare triple {5932#true} havoc ~lk5~0; {5932#true} is VALID [2020-07-18 05:06:38,553 INFO L280 TraceCheckUtils]: 24: Hoare triple {5932#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {5932#true} is VALID [2020-07-18 05:06:38,553 INFO L280 TraceCheckUtils]: 25: Hoare triple {5932#true} ~p6~0 := #t~nondet5; {5932#true} is VALID [2020-07-18 05:06:38,553 INFO L280 TraceCheckUtils]: 26: Hoare triple {5932#true} havoc #t~nondet5; {5932#true} is VALID [2020-07-18 05:06:38,553 INFO L280 TraceCheckUtils]: 27: Hoare triple {5932#true} havoc ~lk6~0; {5932#true} is VALID [2020-07-18 05:06:38,554 INFO L280 TraceCheckUtils]: 28: Hoare triple {5932#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {5932#true} is VALID [2020-07-18 05:06:38,554 INFO L280 TraceCheckUtils]: 29: Hoare triple {5932#true} ~p7~0 := #t~nondet6; {5932#true} is VALID [2020-07-18 05:06:38,554 INFO L280 TraceCheckUtils]: 30: Hoare triple {5932#true} havoc #t~nondet6; {5932#true} is VALID [2020-07-18 05:06:38,554 INFO L280 TraceCheckUtils]: 31: Hoare triple {5932#true} havoc ~lk7~0; {5932#true} is VALID [2020-07-18 05:06:38,555 INFO L280 TraceCheckUtils]: 32: Hoare triple {5932#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {5932#true} is VALID [2020-07-18 05:06:38,555 INFO L280 TraceCheckUtils]: 33: Hoare triple {5932#true} ~p8~0 := #t~nondet7; {5932#true} is VALID [2020-07-18 05:06:38,555 INFO L280 TraceCheckUtils]: 34: Hoare triple {5932#true} havoc #t~nondet7; {5932#true} is VALID [2020-07-18 05:06:38,555 INFO L280 TraceCheckUtils]: 35: Hoare triple {5932#true} havoc ~lk8~0; {5932#true} is VALID [2020-07-18 05:06:38,556 INFO L280 TraceCheckUtils]: 36: Hoare triple {5932#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {5932#true} is VALID [2020-07-18 05:06:38,556 INFO L280 TraceCheckUtils]: 37: Hoare triple {5932#true} ~p9~0 := #t~nondet8; {5932#true} is VALID [2020-07-18 05:06:38,556 INFO L280 TraceCheckUtils]: 38: Hoare triple {5932#true} havoc #t~nondet8; {5932#true} is VALID [2020-07-18 05:06:38,556 INFO L280 TraceCheckUtils]: 39: Hoare triple {5932#true} havoc ~lk9~0; {5932#true} is VALID [2020-07-18 05:06:38,556 INFO L280 TraceCheckUtils]: 40: Hoare triple {5932#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {5932#true} is VALID [2020-07-18 05:06:38,557 INFO L280 TraceCheckUtils]: 41: Hoare triple {5932#true} ~p10~0 := #t~nondet9; {5932#true} is VALID [2020-07-18 05:06:38,557 INFO L280 TraceCheckUtils]: 42: Hoare triple {5932#true} havoc #t~nondet9; {5932#true} is VALID [2020-07-18 05:06:38,557 INFO L280 TraceCheckUtils]: 43: Hoare triple {5932#true} havoc ~lk10~0; {5932#true} is VALID [2020-07-18 05:06:38,557 INFO L280 TraceCheckUtils]: 44: Hoare triple {5932#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {5932#true} is VALID [2020-07-18 05:06:38,558 INFO L280 TraceCheckUtils]: 45: Hoare triple {5932#true} ~p11~0 := #t~nondet10; {5932#true} is VALID [2020-07-18 05:06:38,558 INFO L280 TraceCheckUtils]: 46: Hoare triple {5932#true} havoc #t~nondet10; {5932#true} is VALID [2020-07-18 05:06:38,558 INFO L280 TraceCheckUtils]: 47: Hoare triple {5932#true} havoc ~lk11~0; {5932#true} is VALID [2020-07-18 05:06:38,558 INFO L280 TraceCheckUtils]: 48: Hoare triple {5932#true} havoc ~cond~0; {5932#true} is VALID [2020-07-18 05:06:38,559 INFO L280 TraceCheckUtils]: 49: Hoare triple {5932#true} assume !false; {5932#true} is VALID [2020-07-18 05:06:38,559 INFO L280 TraceCheckUtils]: 50: Hoare triple {5932#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {5932#true} is VALID [2020-07-18 05:06:38,559 INFO L280 TraceCheckUtils]: 51: Hoare triple {5932#true} ~cond~0 := #t~nondet11; {5932#true} is VALID [2020-07-18 05:06:38,559 INFO L280 TraceCheckUtils]: 52: Hoare triple {5932#true} havoc #t~nondet11; {5932#true} is VALID [2020-07-18 05:06:38,560 INFO L280 TraceCheckUtils]: 53: Hoare triple {5932#true} assume !(0 == ~cond~0); {5932#true} is VALID [2020-07-18 05:06:38,560 INFO L280 TraceCheckUtils]: 54: Hoare triple {5932#true} ~lk1~0 := 0; {5932#true} is VALID [2020-07-18 05:06:38,560 INFO L280 TraceCheckUtils]: 55: Hoare triple {5932#true} ~lk2~0 := 0; {5932#true} is VALID [2020-07-18 05:06:38,560 INFO L280 TraceCheckUtils]: 56: Hoare triple {5932#true} ~lk3~0 := 0; {5932#true} is VALID [2020-07-18 05:06:38,561 INFO L280 TraceCheckUtils]: 57: Hoare triple {5932#true} ~lk4~0 := 0; {5932#true} is VALID [2020-07-18 05:06:38,561 INFO L280 TraceCheckUtils]: 58: Hoare triple {5932#true} ~lk5~0 := 0; {5932#true} is VALID [2020-07-18 05:06:38,561 INFO L280 TraceCheckUtils]: 59: Hoare triple {5932#true} ~lk6~0 := 0; {5932#true} is VALID [2020-07-18 05:06:38,561 INFO L280 TraceCheckUtils]: 60: Hoare triple {5932#true} ~lk7~0 := 0; {5932#true} is VALID [2020-07-18 05:06:38,561 INFO L280 TraceCheckUtils]: 61: Hoare triple {5932#true} ~lk8~0 := 0; {5932#true} is VALID [2020-07-18 05:06:38,562 INFO L280 TraceCheckUtils]: 62: Hoare triple {5932#true} ~lk9~0 := 0; {5932#true} is VALID [2020-07-18 05:06:38,562 INFO L280 TraceCheckUtils]: 63: Hoare triple {5932#true} ~lk10~0 := 0; {5932#true} is VALID [2020-07-18 05:06:38,562 INFO L280 TraceCheckUtils]: 64: Hoare triple {5932#true} ~lk11~0 := 0; {5932#true} is VALID [2020-07-18 05:06:38,562 INFO L280 TraceCheckUtils]: 65: Hoare triple {5932#true} assume !(0 != ~p1~0); {5932#true} is VALID [2020-07-18 05:06:38,563 INFO L280 TraceCheckUtils]: 66: Hoare triple {5932#true} assume 0 != ~p2~0; {5932#true} is VALID [2020-07-18 05:06:38,564 INFO L280 TraceCheckUtils]: 67: Hoare triple {5932#true} ~lk2~0 := 1; {5936#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:38,567 INFO L280 TraceCheckUtils]: 68: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p3~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:38,568 INFO L280 TraceCheckUtils]: 69: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p4~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:38,569 INFO L280 TraceCheckUtils]: 70: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p5~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:38,569 INFO L280 TraceCheckUtils]: 71: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p6~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:38,570 INFO L280 TraceCheckUtils]: 72: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p7~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:38,571 INFO L280 TraceCheckUtils]: 73: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p8~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:38,571 INFO L280 TraceCheckUtils]: 74: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p9~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:38,572 INFO L280 TraceCheckUtils]: 75: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p10~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:38,572 INFO L280 TraceCheckUtils]: 76: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p11~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:38,573 INFO L280 TraceCheckUtils]: 77: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p1~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:38,573 INFO L280 TraceCheckUtils]: 78: Hoare triple {5936#(= 1 main_~lk2~0)} assume 0 != ~p2~0; {5936#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:38,574 INFO L280 TraceCheckUtils]: 79: Hoare triple {5936#(= 1 main_~lk2~0)} assume 1 != ~lk2~0; {5933#false} is VALID [2020-07-18 05:06:38,574 INFO L280 TraceCheckUtils]: 80: Hoare triple {5933#false} assume !false; {5933#false} is VALID [2020-07-18 05:06:38,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:06:38,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [900823029] [2020-07-18 05:06:38,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:38,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:38,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032922650] [2020-07-18 05:06:38,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-18 05:06:38,580 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:38,580 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:38,654 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:38,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:38,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:38,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:38,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:38,656 INFO L87 Difference]: Start difference. First operand 323 states and 440 transitions. Second operand 3 states. [2020-07-18 05:06:39,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:39,358 INFO L93 Difference]: Finished difference Result 395 states and 546 transitions. [2020-07-18 05:06:39,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:39,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-18 05:06:39,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:39,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2020-07-18 05:06:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:39,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2020-07-18 05:06:39,366 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 239 transitions. [2020-07-18 05:06:39,588 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 239 edges. 239 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:39,600 INFO L225 Difference]: With dead ends: 395 [2020-07-18 05:06:39,600 INFO L226 Difference]: Without dead ends: 393 [2020-07-18 05:06:39,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:39,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2020-07-18 05:06:39,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 323. [2020-07-18 05:06:39,960 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:39,960 INFO L82 GeneralOperation]: Start isEquivalent. First operand 393 states. Second operand 323 states. [2020-07-18 05:06:39,960 INFO L74 IsIncluded]: Start isIncluded. First operand 393 states. Second operand 323 states. [2020-07-18 05:06:39,960 INFO L87 Difference]: Start difference. First operand 393 states. Second operand 323 states. [2020-07-18 05:06:39,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:39,974 INFO L93 Difference]: Finished difference Result 393 states and 543 transitions. [2020-07-18 05:06:39,975 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 543 transitions. [2020-07-18 05:06:39,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:39,976 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:39,976 INFO L74 IsIncluded]: Start isIncluded. First operand 323 states. Second operand 393 states. [2020-07-18 05:06:39,976 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 393 states. [2020-07-18 05:06:39,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:39,991 INFO L93 Difference]: Finished difference Result 393 states and 543 transitions. [2020-07-18 05:06:39,991 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 543 transitions. [2020-07-18 05:06:39,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:39,992 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:39,992 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:39,992 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:39,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-07-18 05:06:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 438 transitions. [2020-07-18 05:06:40,002 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 438 transitions. Word has length 81 [2020-07-18 05:06:40,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:40,002 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 438 transitions. [2020-07-18 05:06:40,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:40,003 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 323 states and 438 transitions. [2020-07-18 05:06:40,549 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 438 edges. 438 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:40,549 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 438 transitions. [2020-07-18 05:06:40,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-18 05:06:40,550 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:40,551 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] [2020-07-18 05:06:40,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 05:06:40,551 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:40,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:40,551 INFO L82 PathProgramCache]: Analyzing trace with hash -172878236, now seen corresponding path program 1 times [2020-07-18 05:06:40,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:40,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213393598] [2020-07-18 05:06:40,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:40,610 INFO L280 TraceCheckUtils]: 0: Hoare triple {8161#true} assume true; {8161#true} is VALID [2020-07-18 05:06:40,610 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {8161#true} {8161#true} #295#return; {8161#true} is VALID [2020-07-18 05:06:40,611 INFO L263 TraceCheckUtils]: 0: Hoare triple {8161#true} call ULTIMATE.init(); {8161#true} is VALID [2020-07-18 05:06:40,611 INFO L280 TraceCheckUtils]: 1: Hoare triple {8161#true} assume true; {8161#true} is VALID [2020-07-18 05:06:40,611 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8161#true} {8161#true} #295#return; {8161#true} is VALID [2020-07-18 05:06:40,612 INFO L263 TraceCheckUtils]: 3: Hoare triple {8161#true} call #t~ret12 := main(); {8161#true} is VALID [2020-07-18 05:06:40,612 INFO L280 TraceCheckUtils]: 4: Hoare triple {8161#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {8161#true} is VALID [2020-07-18 05:06:40,612 INFO L280 TraceCheckUtils]: 5: Hoare triple {8161#true} ~p1~0 := #t~nondet0; {8161#true} is VALID [2020-07-18 05:06:40,612 INFO L280 TraceCheckUtils]: 6: Hoare triple {8161#true} havoc #t~nondet0; {8161#true} is VALID [2020-07-18 05:06:40,613 INFO L280 TraceCheckUtils]: 7: Hoare triple {8161#true} havoc ~lk1~0; {8161#true} is VALID [2020-07-18 05:06:40,613 INFO L280 TraceCheckUtils]: 8: Hoare triple {8161#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8161#true} is VALID [2020-07-18 05:06:40,613 INFO L280 TraceCheckUtils]: 9: Hoare triple {8161#true} ~p2~0 := #t~nondet1; {8161#true} is VALID [2020-07-18 05:06:40,613 INFO L280 TraceCheckUtils]: 10: Hoare triple {8161#true} havoc #t~nondet1; {8161#true} is VALID [2020-07-18 05:06:40,614 INFO L280 TraceCheckUtils]: 11: Hoare triple {8161#true} havoc ~lk2~0; {8161#true} is VALID [2020-07-18 05:06:40,615 INFO L280 TraceCheckUtils]: 12: Hoare triple {8161#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {8161#true} is VALID [2020-07-18 05:06:40,615 INFO L280 TraceCheckUtils]: 13: Hoare triple {8161#true} ~p3~0 := #t~nondet2; {8161#true} is VALID [2020-07-18 05:06:40,617 INFO L280 TraceCheckUtils]: 14: Hoare triple {8161#true} havoc #t~nondet2; {8161#true} is VALID [2020-07-18 05:06:40,617 INFO L280 TraceCheckUtils]: 15: Hoare triple {8161#true} havoc ~lk3~0; {8161#true} is VALID [2020-07-18 05:06:40,617 INFO L280 TraceCheckUtils]: 16: Hoare triple {8161#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {8161#true} is VALID [2020-07-18 05:06:40,618 INFO L280 TraceCheckUtils]: 17: Hoare triple {8161#true} ~p4~0 := #t~nondet3; {8161#true} is VALID [2020-07-18 05:06:40,618 INFO L280 TraceCheckUtils]: 18: Hoare triple {8161#true} havoc #t~nondet3; {8161#true} is VALID [2020-07-18 05:06:40,618 INFO L280 TraceCheckUtils]: 19: Hoare triple {8161#true} havoc ~lk4~0; {8161#true} is VALID [2020-07-18 05:06:40,618 INFO L280 TraceCheckUtils]: 20: Hoare triple {8161#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {8161#true} is VALID [2020-07-18 05:06:40,619 INFO L280 TraceCheckUtils]: 21: Hoare triple {8161#true} ~p5~0 := #t~nondet4; {8161#true} is VALID [2020-07-18 05:06:40,619 INFO L280 TraceCheckUtils]: 22: Hoare triple {8161#true} havoc #t~nondet4; {8161#true} is VALID [2020-07-18 05:06:40,619 INFO L280 TraceCheckUtils]: 23: Hoare triple {8161#true} havoc ~lk5~0; {8161#true} is VALID [2020-07-18 05:06:40,619 INFO L280 TraceCheckUtils]: 24: Hoare triple {8161#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {8161#true} is VALID [2020-07-18 05:06:40,620 INFO L280 TraceCheckUtils]: 25: Hoare triple {8161#true} ~p6~0 := #t~nondet5; {8161#true} is VALID [2020-07-18 05:06:40,620 INFO L280 TraceCheckUtils]: 26: Hoare triple {8161#true} havoc #t~nondet5; {8161#true} is VALID [2020-07-18 05:06:40,620 INFO L280 TraceCheckUtils]: 27: Hoare triple {8161#true} havoc ~lk6~0; {8161#true} is VALID [2020-07-18 05:06:40,621 INFO L280 TraceCheckUtils]: 28: Hoare triple {8161#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {8161#true} is VALID [2020-07-18 05:06:40,621 INFO L280 TraceCheckUtils]: 29: Hoare triple {8161#true} ~p7~0 := #t~nondet6; {8161#true} is VALID [2020-07-18 05:06:40,621 INFO L280 TraceCheckUtils]: 30: Hoare triple {8161#true} havoc #t~nondet6; {8161#true} is VALID [2020-07-18 05:06:40,622 INFO L280 TraceCheckUtils]: 31: Hoare triple {8161#true} havoc ~lk7~0; {8161#true} is VALID [2020-07-18 05:06:40,622 INFO L280 TraceCheckUtils]: 32: Hoare triple {8161#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {8161#true} is VALID [2020-07-18 05:06:40,622 INFO L280 TraceCheckUtils]: 33: Hoare triple {8161#true} ~p8~0 := #t~nondet7; {8161#true} is VALID [2020-07-18 05:06:40,622 INFO L280 TraceCheckUtils]: 34: Hoare triple {8161#true} havoc #t~nondet7; {8161#true} is VALID [2020-07-18 05:06:40,623 INFO L280 TraceCheckUtils]: 35: Hoare triple {8161#true} havoc ~lk8~0; {8161#true} is VALID [2020-07-18 05:06:40,623 INFO L280 TraceCheckUtils]: 36: Hoare triple {8161#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {8161#true} is VALID [2020-07-18 05:06:40,623 INFO L280 TraceCheckUtils]: 37: Hoare triple {8161#true} ~p9~0 := #t~nondet8; {8161#true} is VALID [2020-07-18 05:06:40,623 INFO L280 TraceCheckUtils]: 38: Hoare triple {8161#true} havoc #t~nondet8; {8161#true} is VALID [2020-07-18 05:06:40,624 INFO L280 TraceCheckUtils]: 39: Hoare triple {8161#true} havoc ~lk9~0; {8161#true} is VALID [2020-07-18 05:06:40,624 INFO L280 TraceCheckUtils]: 40: Hoare triple {8161#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {8161#true} is VALID [2020-07-18 05:06:40,624 INFO L280 TraceCheckUtils]: 41: Hoare triple {8161#true} ~p10~0 := #t~nondet9; {8161#true} is VALID [2020-07-18 05:06:40,624 INFO L280 TraceCheckUtils]: 42: Hoare triple {8161#true} havoc #t~nondet9; {8161#true} is VALID [2020-07-18 05:06:40,624 INFO L280 TraceCheckUtils]: 43: Hoare triple {8161#true} havoc ~lk10~0; {8161#true} is VALID [2020-07-18 05:06:40,625 INFO L280 TraceCheckUtils]: 44: Hoare triple {8161#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {8161#true} is VALID [2020-07-18 05:06:40,625 INFO L280 TraceCheckUtils]: 45: Hoare triple {8161#true} ~p11~0 := #t~nondet10; {8161#true} is VALID [2020-07-18 05:06:40,625 INFO L280 TraceCheckUtils]: 46: Hoare triple {8161#true} havoc #t~nondet10; {8161#true} is VALID [2020-07-18 05:06:40,625 INFO L280 TraceCheckUtils]: 47: Hoare triple {8161#true} havoc ~lk11~0; {8161#true} is VALID [2020-07-18 05:06:40,626 INFO L280 TraceCheckUtils]: 48: Hoare triple {8161#true} havoc ~cond~0; {8161#true} is VALID [2020-07-18 05:06:40,626 INFO L280 TraceCheckUtils]: 49: Hoare triple {8161#true} assume !false; {8161#true} is VALID [2020-07-18 05:06:40,626 INFO L280 TraceCheckUtils]: 50: Hoare triple {8161#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {8161#true} is VALID [2020-07-18 05:06:40,628 INFO L280 TraceCheckUtils]: 51: Hoare triple {8161#true} ~cond~0 := #t~nondet11; {8161#true} is VALID [2020-07-18 05:06:40,628 INFO L280 TraceCheckUtils]: 52: Hoare triple {8161#true} havoc #t~nondet11; {8161#true} is VALID [2020-07-18 05:06:40,640 INFO L280 TraceCheckUtils]: 53: Hoare triple {8161#true} assume !(0 == ~cond~0); {8161#true} is VALID [2020-07-18 05:06:40,641 INFO L280 TraceCheckUtils]: 54: Hoare triple {8161#true} ~lk1~0 := 0; {8161#true} is VALID [2020-07-18 05:06:40,641 INFO L280 TraceCheckUtils]: 55: Hoare triple {8161#true} ~lk2~0 := 0; {8161#true} is VALID [2020-07-18 05:06:40,641 INFO L280 TraceCheckUtils]: 56: Hoare triple {8161#true} ~lk3~0 := 0; {8161#true} is VALID [2020-07-18 05:06:40,641 INFO L280 TraceCheckUtils]: 57: Hoare triple {8161#true} ~lk4~0 := 0; {8161#true} is VALID [2020-07-18 05:06:40,642 INFO L280 TraceCheckUtils]: 58: Hoare triple {8161#true} ~lk5~0 := 0; {8161#true} is VALID [2020-07-18 05:06:40,642 INFO L280 TraceCheckUtils]: 59: Hoare triple {8161#true} ~lk6~0 := 0; {8161#true} is VALID [2020-07-18 05:06:40,642 INFO L280 TraceCheckUtils]: 60: Hoare triple {8161#true} ~lk7~0 := 0; {8161#true} is VALID [2020-07-18 05:06:40,642 INFO L280 TraceCheckUtils]: 61: Hoare triple {8161#true} ~lk8~0 := 0; {8161#true} is VALID [2020-07-18 05:06:40,643 INFO L280 TraceCheckUtils]: 62: Hoare triple {8161#true} ~lk9~0 := 0; {8161#true} is VALID [2020-07-18 05:06:40,643 INFO L280 TraceCheckUtils]: 63: Hoare triple {8161#true} ~lk10~0 := 0; {8161#true} is VALID [2020-07-18 05:06:40,643 INFO L280 TraceCheckUtils]: 64: Hoare triple {8161#true} ~lk11~0 := 0; {8161#true} is VALID [2020-07-18 05:06:40,646 INFO L280 TraceCheckUtils]: 65: Hoare triple {8161#true} assume !(0 != ~p1~0); {8161#true} is VALID [2020-07-18 05:06:40,647 INFO L280 TraceCheckUtils]: 66: Hoare triple {8161#true} assume !(0 != ~p2~0); {8161#true} is VALID [2020-07-18 05:06:40,651 INFO L280 TraceCheckUtils]: 67: Hoare triple {8161#true} assume !(0 != ~p3~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:40,656 INFO L280 TraceCheckUtils]: 68: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p4~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:40,656 INFO L280 TraceCheckUtils]: 69: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p5~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:40,657 INFO L280 TraceCheckUtils]: 70: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p6~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:40,657 INFO L280 TraceCheckUtils]: 71: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p7~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:40,658 INFO L280 TraceCheckUtils]: 72: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p8~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:40,658 INFO L280 TraceCheckUtils]: 73: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p9~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:40,658 INFO L280 TraceCheckUtils]: 74: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p10~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:40,659 INFO L280 TraceCheckUtils]: 75: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p11~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:40,659 INFO L280 TraceCheckUtils]: 76: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p1~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:40,661 INFO L280 TraceCheckUtils]: 77: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p2~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:40,663 INFO L280 TraceCheckUtils]: 78: Hoare triple {8165#(= 0 main_~p3~0)} assume 0 != ~p3~0; {8162#false} is VALID [2020-07-18 05:06:40,663 INFO L280 TraceCheckUtils]: 79: Hoare triple {8162#false} assume 1 != ~lk3~0; {8162#false} is VALID [2020-07-18 05:06:40,663 INFO L280 TraceCheckUtils]: 80: Hoare triple {8162#false} assume !false; {8162#false} is VALID [2020-07-18 05:06:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:06:40,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213393598] [2020-07-18 05:06:40,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:40,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:40,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527961477] [2020-07-18 05:06:40,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-18 05:06:40,669 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:40,669 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:40,744 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:40,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:40,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:40,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:40,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:40,745 INFO L87 Difference]: Start difference. First operand 323 states and 438 transitions. Second operand 3 states. [2020-07-18 05:06:41,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:41,889 INFO L93 Difference]: Finished difference Result 859 states and 1200 transitions. [2020-07-18 05:06:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:41,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-18 05:06:41,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:41,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2020-07-18 05:06:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:41,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2020-07-18 05:06:41,896 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 354 transitions. [2020-07-18 05:06:42,199 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 354 edges. 354 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:42,223 INFO L225 Difference]: With dead ends: 859 [2020-07-18 05:06:42,224 INFO L226 Difference]: Without dead ends: 585 [2020-07-18 05:06:42,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:42,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-07-18 05:06:43,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 583. [2020-07-18 05:06:43,016 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:43,016 INFO L82 GeneralOperation]: Start isEquivalent. First operand 585 states. Second operand 583 states. [2020-07-18 05:06:43,016 INFO L74 IsIncluded]: Start isIncluded. First operand 585 states. Second operand 583 states. [2020-07-18 05:06:43,016 INFO L87 Difference]: Start difference. First operand 585 states. Second operand 583 states. [2020-07-18 05:06:43,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:43,039 INFO L93 Difference]: Finished difference Result 585 states and 803 transitions. [2020-07-18 05:06:43,039 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 803 transitions. [2020-07-18 05:06:43,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:43,041 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:43,041 INFO L74 IsIncluded]: Start isIncluded. First operand 583 states. Second operand 585 states. [2020-07-18 05:06:43,042 INFO L87 Difference]: Start difference. First operand 583 states. Second operand 585 states. [2020-07-18 05:06:43,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:43,067 INFO L93 Difference]: Finished difference Result 585 states and 803 transitions. [2020-07-18 05:06:43,067 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 803 transitions. [2020-07-18 05:06:43,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:43,069 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:43,069 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:43,069 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2020-07-18 05:06:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 802 transitions. [2020-07-18 05:06:43,094 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 802 transitions. Word has length 81 [2020-07-18 05:06:43,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:43,094 INFO L479 AbstractCegarLoop]: Abstraction has 583 states and 802 transitions. [2020-07-18 05:06:43,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:43,094 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 583 states and 802 transitions. [2020-07-18 05:06:44,018 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 802 edges. 802 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 802 transitions. [2020-07-18 05:06:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-18 05:06:44,020 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:44,021 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] [2020-07-18 05:06:44,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-18 05:06:44,021 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:44,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:44,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1064013698, now seen corresponding path program 1 times [2020-07-18 05:06:44,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:44,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1238033530] [2020-07-18 05:06:44,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:44,078 INFO L280 TraceCheckUtils]: 0: Hoare triple {12222#true} assume true; {12222#true} is VALID [2020-07-18 05:06:44,078 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {12222#true} {12222#true} #295#return; {12222#true} is VALID [2020-07-18 05:06:44,079 INFO L263 TraceCheckUtils]: 0: Hoare triple {12222#true} call ULTIMATE.init(); {12222#true} is VALID [2020-07-18 05:06:44,079 INFO L280 TraceCheckUtils]: 1: Hoare triple {12222#true} assume true; {12222#true} is VALID [2020-07-18 05:06:44,079 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {12222#true} {12222#true} #295#return; {12222#true} is VALID [2020-07-18 05:06:44,079 INFO L263 TraceCheckUtils]: 3: Hoare triple {12222#true} call #t~ret12 := main(); {12222#true} is VALID [2020-07-18 05:06:44,080 INFO L280 TraceCheckUtils]: 4: Hoare triple {12222#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {12222#true} is VALID [2020-07-18 05:06:44,080 INFO L280 TraceCheckUtils]: 5: Hoare triple {12222#true} ~p1~0 := #t~nondet0; {12222#true} is VALID [2020-07-18 05:06:44,080 INFO L280 TraceCheckUtils]: 6: Hoare triple {12222#true} havoc #t~nondet0; {12222#true} is VALID [2020-07-18 05:06:44,080 INFO L280 TraceCheckUtils]: 7: Hoare triple {12222#true} havoc ~lk1~0; {12222#true} is VALID [2020-07-18 05:06:44,081 INFO L280 TraceCheckUtils]: 8: Hoare triple {12222#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {12222#true} is VALID [2020-07-18 05:06:44,081 INFO L280 TraceCheckUtils]: 9: Hoare triple {12222#true} ~p2~0 := #t~nondet1; {12222#true} is VALID [2020-07-18 05:06:44,081 INFO L280 TraceCheckUtils]: 10: Hoare triple {12222#true} havoc #t~nondet1; {12222#true} is VALID [2020-07-18 05:06:44,081 INFO L280 TraceCheckUtils]: 11: Hoare triple {12222#true} havoc ~lk2~0; {12222#true} is VALID [2020-07-18 05:06:44,081 INFO L280 TraceCheckUtils]: 12: Hoare triple {12222#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {12222#true} is VALID [2020-07-18 05:06:44,082 INFO L280 TraceCheckUtils]: 13: Hoare triple {12222#true} ~p3~0 := #t~nondet2; {12222#true} is VALID [2020-07-18 05:06:44,082 INFO L280 TraceCheckUtils]: 14: Hoare triple {12222#true} havoc #t~nondet2; {12222#true} is VALID [2020-07-18 05:06:44,082 INFO L280 TraceCheckUtils]: 15: Hoare triple {12222#true} havoc ~lk3~0; {12222#true} is VALID [2020-07-18 05:06:44,082 INFO L280 TraceCheckUtils]: 16: Hoare triple {12222#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {12222#true} is VALID [2020-07-18 05:06:44,083 INFO L280 TraceCheckUtils]: 17: Hoare triple {12222#true} ~p4~0 := #t~nondet3; {12222#true} is VALID [2020-07-18 05:06:44,083 INFO L280 TraceCheckUtils]: 18: Hoare triple {12222#true} havoc #t~nondet3; {12222#true} is VALID [2020-07-18 05:06:44,083 INFO L280 TraceCheckUtils]: 19: Hoare triple {12222#true} havoc ~lk4~0; {12222#true} is VALID [2020-07-18 05:06:44,083 INFO L280 TraceCheckUtils]: 20: Hoare triple {12222#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {12222#true} is VALID [2020-07-18 05:06:44,083 INFO L280 TraceCheckUtils]: 21: Hoare triple {12222#true} ~p5~0 := #t~nondet4; {12222#true} is VALID [2020-07-18 05:06:44,084 INFO L280 TraceCheckUtils]: 22: Hoare triple {12222#true} havoc #t~nondet4; {12222#true} is VALID [2020-07-18 05:06:44,084 INFO L280 TraceCheckUtils]: 23: Hoare triple {12222#true} havoc ~lk5~0; {12222#true} is VALID [2020-07-18 05:06:44,084 INFO L280 TraceCheckUtils]: 24: Hoare triple {12222#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {12222#true} is VALID [2020-07-18 05:06:44,084 INFO L280 TraceCheckUtils]: 25: Hoare triple {12222#true} ~p6~0 := #t~nondet5; {12222#true} is VALID [2020-07-18 05:06:44,085 INFO L280 TraceCheckUtils]: 26: Hoare triple {12222#true} havoc #t~nondet5; {12222#true} is VALID [2020-07-18 05:06:44,085 INFO L280 TraceCheckUtils]: 27: Hoare triple {12222#true} havoc ~lk6~0; {12222#true} is VALID [2020-07-18 05:06:44,085 INFO L280 TraceCheckUtils]: 28: Hoare triple {12222#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {12222#true} is VALID [2020-07-18 05:06:44,085 INFO L280 TraceCheckUtils]: 29: Hoare triple {12222#true} ~p7~0 := #t~nondet6; {12222#true} is VALID [2020-07-18 05:06:44,086 INFO L280 TraceCheckUtils]: 30: Hoare triple {12222#true} havoc #t~nondet6; {12222#true} is VALID [2020-07-18 05:06:44,087 INFO L280 TraceCheckUtils]: 31: Hoare triple {12222#true} havoc ~lk7~0; {12222#true} is VALID [2020-07-18 05:06:44,088 INFO L280 TraceCheckUtils]: 32: Hoare triple {12222#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {12222#true} is VALID [2020-07-18 05:06:44,088 INFO L280 TraceCheckUtils]: 33: Hoare triple {12222#true} ~p8~0 := #t~nondet7; {12222#true} is VALID [2020-07-18 05:06:44,088 INFO L280 TraceCheckUtils]: 34: Hoare triple {12222#true} havoc #t~nondet7; {12222#true} is VALID [2020-07-18 05:06:44,089 INFO L280 TraceCheckUtils]: 35: Hoare triple {12222#true} havoc ~lk8~0; {12222#true} is VALID [2020-07-18 05:06:44,089 INFO L280 TraceCheckUtils]: 36: Hoare triple {12222#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {12222#true} is VALID [2020-07-18 05:06:44,089 INFO L280 TraceCheckUtils]: 37: Hoare triple {12222#true} ~p9~0 := #t~nondet8; {12222#true} is VALID [2020-07-18 05:06:44,089 INFO L280 TraceCheckUtils]: 38: Hoare triple {12222#true} havoc #t~nondet8; {12222#true} is VALID [2020-07-18 05:06:44,089 INFO L280 TraceCheckUtils]: 39: Hoare triple {12222#true} havoc ~lk9~0; {12222#true} is VALID [2020-07-18 05:06:44,090 INFO L280 TraceCheckUtils]: 40: Hoare triple {12222#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {12222#true} is VALID [2020-07-18 05:06:44,090 INFO L280 TraceCheckUtils]: 41: Hoare triple {12222#true} ~p10~0 := #t~nondet9; {12222#true} is VALID [2020-07-18 05:06:44,090 INFO L280 TraceCheckUtils]: 42: Hoare triple {12222#true} havoc #t~nondet9; {12222#true} is VALID [2020-07-18 05:06:44,090 INFO L280 TraceCheckUtils]: 43: Hoare triple {12222#true} havoc ~lk10~0; {12222#true} is VALID [2020-07-18 05:06:44,091 INFO L280 TraceCheckUtils]: 44: Hoare triple {12222#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {12222#true} is VALID [2020-07-18 05:06:44,091 INFO L280 TraceCheckUtils]: 45: Hoare triple {12222#true} ~p11~0 := #t~nondet10; {12222#true} is VALID [2020-07-18 05:06:44,091 INFO L280 TraceCheckUtils]: 46: Hoare triple {12222#true} havoc #t~nondet10; {12222#true} is VALID [2020-07-18 05:06:44,091 INFO L280 TraceCheckUtils]: 47: Hoare triple {12222#true} havoc ~lk11~0; {12222#true} is VALID [2020-07-18 05:06:44,092 INFO L280 TraceCheckUtils]: 48: Hoare triple {12222#true} havoc ~cond~0; {12222#true} is VALID [2020-07-18 05:06:44,092 INFO L280 TraceCheckUtils]: 49: Hoare triple {12222#true} assume !false; {12222#true} is VALID [2020-07-18 05:06:44,092 INFO L280 TraceCheckUtils]: 50: Hoare triple {12222#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {12222#true} is VALID [2020-07-18 05:06:44,092 INFO L280 TraceCheckUtils]: 51: Hoare triple {12222#true} ~cond~0 := #t~nondet11; {12222#true} is VALID [2020-07-18 05:06:44,093 INFO L280 TraceCheckUtils]: 52: Hoare triple {12222#true} havoc #t~nondet11; {12222#true} is VALID [2020-07-18 05:06:44,093 INFO L280 TraceCheckUtils]: 53: Hoare triple {12222#true} assume !(0 == ~cond~0); {12222#true} is VALID [2020-07-18 05:06:44,093 INFO L280 TraceCheckUtils]: 54: Hoare triple {12222#true} ~lk1~0 := 0; {12222#true} is VALID [2020-07-18 05:06:44,093 INFO L280 TraceCheckUtils]: 55: Hoare triple {12222#true} ~lk2~0 := 0; {12222#true} is VALID [2020-07-18 05:06:44,093 INFO L280 TraceCheckUtils]: 56: Hoare triple {12222#true} ~lk3~0 := 0; {12222#true} is VALID [2020-07-18 05:06:44,094 INFO L280 TraceCheckUtils]: 57: Hoare triple {12222#true} ~lk4~0 := 0; {12222#true} is VALID [2020-07-18 05:06:44,094 INFO L280 TraceCheckUtils]: 58: Hoare triple {12222#true} ~lk5~0 := 0; {12222#true} is VALID [2020-07-18 05:06:44,094 INFO L280 TraceCheckUtils]: 59: Hoare triple {12222#true} ~lk6~0 := 0; {12222#true} is VALID [2020-07-18 05:06:44,094 INFO L280 TraceCheckUtils]: 60: Hoare triple {12222#true} ~lk7~0 := 0; {12222#true} is VALID [2020-07-18 05:06:44,095 INFO L280 TraceCheckUtils]: 61: Hoare triple {12222#true} ~lk8~0 := 0; {12222#true} is VALID [2020-07-18 05:06:44,095 INFO L280 TraceCheckUtils]: 62: Hoare triple {12222#true} ~lk9~0 := 0; {12222#true} is VALID [2020-07-18 05:06:44,095 INFO L280 TraceCheckUtils]: 63: Hoare triple {12222#true} ~lk10~0 := 0; {12222#true} is VALID [2020-07-18 05:06:44,095 INFO L280 TraceCheckUtils]: 64: Hoare triple {12222#true} ~lk11~0 := 0; {12222#true} is VALID [2020-07-18 05:06:44,096 INFO L280 TraceCheckUtils]: 65: Hoare triple {12222#true} assume !(0 != ~p1~0); {12222#true} is VALID [2020-07-18 05:06:44,096 INFO L280 TraceCheckUtils]: 66: Hoare triple {12222#true} assume !(0 != ~p2~0); {12222#true} is VALID [2020-07-18 05:06:44,096 INFO L280 TraceCheckUtils]: 67: Hoare triple {12222#true} assume !(0 != ~p3~0); {12222#true} is VALID [2020-07-18 05:06:44,097 INFO L280 TraceCheckUtils]: 68: Hoare triple {12222#true} assume !(0 != ~p4~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:44,097 INFO L280 TraceCheckUtils]: 69: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p5~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:44,098 INFO L280 TraceCheckUtils]: 70: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p6~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:44,099 INFO L280 TraceCheckUtils]: 71: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p7~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:44,099 INFO L280 TraceCheckUtils]: 72: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p8~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:44,100 INFO L280 TraceCheckUtils]: 73: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p9~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:44,100 INFO L280 TraceCheckUtils]: 74: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p10~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:44,101 INFO L280 TraceCheckUtils]: 75: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p11~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:44,102 INFO L280 TraceCheckUtils]: 76: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p1~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:44,102 INFO L280 TraceCheckUtils]: 77: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p2~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:44,103 INFO L280 TraceCheckUtils]: 78: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p3~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:44,103 INFO L280 TraceCheckUtils]: 79: Hoare triple {12226#(= 0 main_~p4~0)} assume 0 != ~p4~0; {12223#false} is VALID [2020-07-18 05:06:44,104 INFO L280 TraceCheckUtils]: 80: Hoare triple {12223#false} assume 1 != ~lk4~0; {12223#false} is VALID [2020-07-18 05:06:44,104 INFO L280 TraceCheckUtils]: 81: Hoare triple {12223#false} assume !false; {12223#false} is VALID [2020-07-18 05:06:44,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:06:44,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1238033530] [2020-07-18 05:06:44,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:44,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:44,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596603856] [2020-07-18 05:06:44,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-07-18 05:06:44,114 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:44,115 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:44,212 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:44,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:44,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:44,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:44,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:44,213 INFO L87 Difference]: Start difference. First operand 583 states and 802 transitions. Second operand 3 states. [2020-07-18 05:06:46,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:46,549 INFO L93 Difference]: Finished difference Result 1627 states and 2276 transitions. [2020-07-18 05:06:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:46,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-07-18 05:06:46,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:46,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:46,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2020-07-18 05:06:46,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:46,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2020-07-18 05:06:46,557 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 354 transitions. [2020-07-18 05:06:46,846 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 354 edges. 354 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:46,929 INFO L225 Difference]: With dead ends: 1627 [2020-07-18 05:06:46,929 INFO L226 Difference]: Without dead ends: 1093 [2020-07-18 05:06:46,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:46,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2020-07-18 05:06:48,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1091. [2020-07-18 05:06:48,679 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:48,679 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1093 states. Second operand 1091 states. [2020-07-18 05:06:48,679 INFO L74 IsIncluded]: Start isIncluded. First operand 1093 states. Second operand 1091 states. [2020-07-18 05:06:48,679 INFO L87 Difference]: Start difference. First operand 1093 states. Second operand 1091 states. [2020-07-18 05:06:48,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:48,752 INFO L93 Difference]: Finished difference Result 1093 states and 1507 transitions. [2020-07-18 05:06:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1507 transitions. [2020-07-18 05:06:48,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:48,755 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:48,756 INFO L74 IsIncluded]: Start isIncluded. First operand 1091 states. Second operand 1093 states. [2020-07-18 05:06:48,756 INFO L87 Difference]: Start difference. First operand 1091 states. Second operand 1093 states. [2020-07-18 05:06:48,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:48,833 INFO L93 Difference]: Finished difference Result 1093 states and 1507 transitions. [2020-07-18 05:06:48,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1507 transitions. [2020-07-18 05:06:48,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:48,836 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:48,836 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:48,836 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:48,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-07-18 05:06:48,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1506 transitions. [2020-07-18 05:06:48,927 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1506 transitions. Word has length 82 [2020-07-18 05:06:48,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:48,927 INFO L479 AbstractCegarLoop]: Abstraction has 1091 states and 1506 transitions. [2020-07-18 05:06:48,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:48,928 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 1091 states and 1506 transitions. [2020-07-18 05:06:50,707 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1506 edges. 1506 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:50,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1506 transitions. [2020-07-18 05:06:50,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-18 05:06:50,710 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:50,710 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] [2020-07-18 05:06:50,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-18 05:06:50,711 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:50,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:50,711 INFO L82 PathProgramCache]: Analyzing trace with hash -637098359, now seen corresponding path program 1 times [2020-07-18 05:06:50,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:50,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513311659] [2020-07-18 05:06:50,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:50,781 INFO L280 TraceCheckUtils]: 0: Hoare triple {19851#true} assume true; {19851#true} is VALID [2020-07-18 05:06:50,781 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {19851#true} {19851#true} #295#return; {19851#true} is VALID [2020-07-18 05:06:50,781 INFO L263 TraceCheckUtils]: 0: Hoare triple {19851#true} call ULTIMATE.init(); {19851#true} is VALID [2020-07-18 05:06:50,782 INFO L280 TraceCheckUtils]: 1: Hoare triple {19851#true} assume true; {19851#true} is VALID [2020-07-18 05:06:50,782 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {19851#true} {19851#true} #295#return; {19851#true} is VALID [2020-07-18 05:06:50,782 INFO L263 TraceCheckUtils]: 3: Hoare triple {19851#true} call #t~ret12 := main(); {19851#true} is VALID [2020-07-18 05:06:50,782 INFO L280 TraceCheckUtils]: 4: Hoare triple {19851#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {19851#true} is VALID [2020-07-18 05:06:50,782 INFO L280 TraceCheckUtils]: 5: Hoare triple {19851#true} ~p1~0 := #t~nondet0; {19851#true} is VALID [2020-07-18 05:06:50,783 INFO L280 TraceCheckUtils]: 6: Hoare triple {19851#true} havoc #t~nondet0; {19851#true} is VALID [2020-07-18 05:06:50,783 INFO L280 TraceCheckUtils]: 7: Hoare triple {19851#true} havoc ~lk1~0; {19851#true} is VALID [2020-07-18 05:06:50,783 INFO L280 TraceCheckUtils]: 8: Hoare triple {19851#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {19851#true} is VALID [2020-07-18 05:06:50,783 INFO L280 TraceCheckUtils]: 9: Hoare triple {19851#true} ~p2~0 := #t~nondet1; {19851#true} is VALID [2020-07-18 05:06:50,784 INFO L280 TraceCheckUtils]: 10: Hoare triple {19851#true} havoc #t~nondet1; {19851#true} is VALID [2020-07-18 05:06:50,784 INFO L280 TraceCheckUtils]: 11: Hoare triple {19851#true} havoc ~lk2~0; {19851#true} is VALID [2020-07-18 05:06:50,784 INFO L280 TraceCheckUtils]: 12: Hoare triple {19851#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {19851#true} is VALID [2020-07-18 05:06:50,784 INFO L280 TraceCheckUtils]: 13: Hoare triple {19851#true} ~p3~0 := #t~nondet2; {19851#true} is VALID [2020-07-18 05:06:50,785 INFO L280 TraceCheckUtils]: 14: Hoare triple {19851#true} havoc #t~nondet2; {19851#true} is VALID [2020-07-18 05:06:50,785 INFO L280 TraceCheckUtils]: 15: Hoare triple {19851#true} havoc ~lk3~0; {19851#true} is VALID [2020-07-18 05:06:50,785 INFO L280 TraceCheckUtils]: 16: Hoare triple {19851#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {19851#true} is VALID [2020-07-18 05:06:50,785 INFO L280 TraceCheckUtils]: 17: Hoare triple {19851#true} ~p4~0 := #t~nondet3; {19851#true} is VALID [2020-07-18 05:06:50,786 INFO L280 TraceCheckUtils]: 18: Hoare triple {19851#true} havoc #t~nondet3; {19851#true} is VALID [2020-07-18 05:06:50,786 INFO L280 TraceCheckUtils]: 19: Hoare triple {19851#true} havoc ~lk4~0; {19851#true} is VALID [2020-07-18 05:06:50,786 INFO L280 TraceCheckUtils]: 20: Hoare triple {19851#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {19851#true} is VALID [2020-07-18 05:06:50,786 INFO L280 TraceCheckUtils]: 21: Hoare triple {19851#true} ~p5~0 := #t~nondet4; {19851#true} is VALID [2020-07-18 05:06:50,786 INFO L280 TraceCheckUtils]: 22: Hoare triple {19851#true} havoc #t~nondet4; {19851#true} is VALID [2020-07-18 05:06:50,787 INFO L280 TraceCheckUtils]: 23: Hoare triple {19851#true} havoc ~lk5~0; {19851#true} is VALID [2020-07-18 05:06:50,787 INFO L280 TraceCheckUtils]: 24: Hoare triple {19851#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {19851#true} is VALID [2020-07-18 05:06:50,787 INFO L280 TraceCheckUtils]: 25: Hoare triple {19851#true} ~p6~0 := #t~nondet5; {19851#true} is VALID [2020-07-18 05:06:50,787 INFO L280 TraceCheckUtils]: 26: Hoare triple {19851#true} havoc #t~nondet5; {19851#true} is VALID [2020-07-18 05:06:50,787 INFO L280 TraceCheckUtils]: 27: Hoare triple {19851#true} havoc ~lk6~0; {19851#true} is VALID [2020-07-18 05:06:50,787 INFO L280 TraceCheckUtils]: 28: Hoare triple {19851#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {19851#true} is VALID [2020-07-18 05:06:50,788 INFO L280 TraceCheckUtils]: 29: Hoare triple {19851#true} ~p7~0 := #t~nondet6; {19851#true} is VALID [2020-07-18 05:06:50,788 INFO L280 TraceCheckUtils]: 30: Hoare triple {19851#true} havoc #t~nondet6; {19851#true} is VALID [2020-07-18 05:06:50,788 INFO L280 TraceCheckUtils]: 31: Hoare triple {19851#true} havoc ~lk7~0; {19851#true} is VALID [2020-07-18 05:06:50,788 INFO L280 TraceCheckUtils]: 32: Hoare triple {19851#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {19851#true} is VALID [2020-07-18 05:06:50,788 INFO L280 TraceCheckUtils]: 33: Hoare triple {19851#true} ~p8~0 := #t~nondet7; {19851#true} is VALID [2020-07-18 05:06:50,789 INFO L280 TraceCheckUtils]: 34: Hoare triple {19851#true} havoc #t~nondet7; {19851#true} is VALID [2020-07-18 05:06:50,789 INFO L280 TraceCheckUtils]: 35: Hoare triple {19851#true} havoc ~lk8~0; {19851#true} is VALID [2020-07-18 05:06:50,789 INFO L280 TraceCheckUtils]: 36: Hoare triple {19851#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {19851#true} is VALID [2020-07-18 05:06:50,789 INFO L280 TraceCheckUtils]: 37: Hoare triple {19851#true} ~p9~0 := #t~nondet8; {19851#true} is VALID [2020-07-18 05:06:50,789 INFO L280 TraceCheckUtils]: 38: Hoare triple {19851#true} havoc #t~nondet8; {19851#true} is VALID [2020-07-18 05:06:50,789 INFO L280 TraceCheckUtils]: 39: Hoare triple {19851#true} havoc ~lk9~0; {19851#true} is VALID [2020-07-18 05:06:50,790 INFO L280 TraceCheckUtils]: 40: Hoare triple {19851#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {19851#true} is VALID [2020-07-18 05:06:50,790 INFO L280 TraceCheckUtils]: 41: Hoare triple {19851#true} ~p10~0 := #t~nondet9; {19851#true} is VALID [2020-07-18 05:06:50,790 INFO L280 TraceCheckUtils]: 42: Hoare triple {19851#true} havoc #t~nondet9; {19851#true} is VALID [2020-07-18 05:06:50,790 INFO L280 TraceCheckUtils]: 43: Hoare triple {19851#true} havoc ~lk10~0; {19851#true} is VALID [2020-07-18 05:06:50,790 INFO L280 TraceCheckUtils]: 44: Hoare triple {19851#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {19851#true} is VALID [2020-07-18 05:06:50,791 INFO L280 TraceCheckUtils]: 45: Hoare triple {19851#true} ~p11~0 := #t~nondet10; {19851#true} is VALID [2020-07-18 05:06:50,791 INFO L280 TraceCheckUtils]: 46: Hoare triple {19851#true} havoc #t~nondet10; {19851#true} is VALID [2020-07-18 05:06:50,791 INFO L280 TraceCheckUtils]: 47: Hoare triple {19851#true} havoc ~lk11~0; {19851#true} is VALID [2020-07-18 05:06:50,791 INFO L280 TraceCheckUtils]: 48: Hoare triple {19851#true} havoc ~cond~0; {19851#true} is VALID [2020-07-18 05:06:50,791 INFO L280 TraceCheckUtils]: 49: Hoare triple {19851#true} assume !false; {19851#true} is VALID [2020-07-18 05:06:50,792 INFO L280 TraceCheckUtils]: 50: Hoare triple {19851#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {19851#true} is VALID [2020-07-18 05:06:50,792 INFO L280 TraceCheckUtils]: 51: Hoare triple {19851#true} ~cond~0 := #t~nondet11; {19851#true} is VALID [2020-07-18 05:06:50,792 INFO L280 TraceCheckUtils]: 52: Hoare triple {19851#true} havoc #t~nondet11; {19851#true} is VALID [2020-07-18 05:06:50,792 INFO L280 TraceCheckUtils]: 53: Hoare triple {19851#true} assume !(0 == ~cond~0); {19851#true} is VALID [2020-07-18 05:06:50,792 INFO L280 TraceCheckUtils]: 54: Hoare triple {19851#true} ~lk1~0 := 0; {19851#true} is VALID [2020-07-18 05:06:50,793 INFO L280 TraceCheckUtils]: 55: Hoare triple {19851#true} ~lk2~0 := 0; {19851#true} is VALID [2020-07-18 05:06:50,793 INFO L280 TraceCheckUtils]: 56: Hoare triple {19851#true} ~lk3~0 := 0; {19851#true} is VALID [2020-07-18 05:06:50,793 INFO L280 TraceCheckUtils]: 57: Hoare triple {19851#true} ~lk4~0 := 0; {19851#true} is VALID [2020-07-18 05:06:50,793 INFO L280 TraceCheckUtils]: 58: Hoare triple {19851#true} ~lk5~0 := 0; {19851#true} is VALID [2020-07-18 05:06:50,793 INFO L280 TraceCheckUtils]: 59: Hoare triple {19851#true} ~lk6~0 := 0; {19851#true} is VALID [2020-07-18 05:06:50,794 INFO L280 TraceCheckUtils]: 60: Hoare triple {19851#true} ~lk7~0 := 0; {19851#true} is VALID [2020-07-18 05:06:50,794 INFO L280 TraceCheckUtils]: 61: Hoare triple {19851#true} ~lk8~0 := 0; {19851#true} is VALID [2020-07-18 05:06:50,794 INFO L280 TraceCheckUtils]: 62: Hoare triple {19851#true} ~lk9~0 := 0; {19851#true} is VALID [2020-07-18 05:06:50,794 INFO L280 TraceCheckUtils]: 63: Hoare triple {19851#true} ~lk10~0 := 0; {19851#true} is VALID [2020-07-18 05:06:50,794 INFO L280 TraceCheckUtils]: 64: Hoare triple {19851#true} ~lk11~0 := 0; {19851#true} is VALID [2020-07-18 05:06:50,794 INFO L280 TraceCheckUtils]: 65: Hoare triple {19851#true} assume !(0 != ~p1~0); {19851#true} is VALID [2020-07-18 05:06:50,795 INFO L280 TraceCheckUtils]: 66: Hoare triple {19851#true} assume !(0 != ~p2~0); {19851#true} is VALID [2020-07-18 05:06:50,795 INFO L280 TraceCheckUtils]: 67: Hoare triple {19851#true} assume 0 != ~p3~0; {19851#true} is VALID [2020-07-18 05:06:50,797 INFO L280 TraceCheckUtils]: 68: Hoare triple {19851#true} ~lk3~0 := 1; {19855#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:50,798 INFO L280 TraceCheckUtils]: 69: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p4~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:50,800 INFO L280 TraceCheckUtils]: 70: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p5~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:50,801 INFO L280 TraceCheckUtils]: 71: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p6~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:50,802 INFO L280 TraceCheckUtils]: 72: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p7~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:50,802 INFO L280 TraceCheckUtils]: 73: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p8~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:50,803 INFO L280 TraceCheckUtils]: 74: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p9~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:50,803 INFO L280 TraceCheckUtils]: 75: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p10~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:50,804 INFO L280 TraceCheckUtils]: 76: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p11~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:50,804 INFO L280 TraceCheckUtils]: 77: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p1~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:50,805 INFO L280 TraceCheckUtils]: 78: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p2~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:50,805 INFO L280 TraceCheckUtils]: 79: Hoare triple {19855#(= 1 main_~lk3~0)} assume 0 != ~p3~0; {19855#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:50,806 INFO L280 TraceCheckUtils]: 80: Hoare triple {19855#(= 1 main_~lk3~0)} assume 1 != ~lk3~0; {19852#false} is VALID [2020-07-18 05:06:50,806 INFO L280 TraceCheckUtils]: 81: Hoare triple {19852#false} assume !false; {19852#false} is VALID [2020-07-18 05:06:50,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:06:50,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513311659] [2020-07-18 05:06:50,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:50,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:50,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58301830] [2020-07-18 05:06:50,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-07-18 05:06:50,813 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:50,813 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:50,909 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:50,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:50,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:50,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:50,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:50,910 INFO L87 Difference]: Start difference. First operand 1091 states and 1506 transitions. Second operand 3 states. [2020-07-18 05:06:53,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:53,703 INFO L93 Difference]: Finished difference Result 1343 states and 1876 transitions. [2020-07-18 05:06:53,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:53,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-07-18 05:06:53,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2020-07-18 05:06:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2020-07-18 05:06:53,708 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 235 transitions. [2020-07-18 05:06:53,903 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 235 edges. 235 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:54,026 INFO L225 Difference]: With dead ends: 1343 [2020-07-18 05:06:54,027 INFO L226 Difference]: Without dead ends: 1341 [2020-07-18 05:06:54,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:54,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2020-07-18 05:06:55,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 1091. [2020-07-18 05:06:55,919 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:55,919 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1341 states. Second operand 1091 states. [2020-07-18 05:06:55,919 INFO L74 IsIncluded]: Start isIncluded. First operand 1341 states. Second operand 1091 states. [2020-07-18 05:06:55,919 INFO L87 Difference]: Start difference. First operand 1341 states. Second operand 1091 states. [2020-07-18 05:06:55,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:55,977 INFO L93 Difference]: Finished difference Result 1341 states and 1867 transitions. [2020-07-18 05:06:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1867 transitions. [2020-07-18 05:06:55,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:55,979 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:55,980 INFO L74 IsIncluded]: Start isIncluded. First operand 1091 states. Second operand 1341 states. [2020-07-18 05:06:55,980 INFO L87 Difference]: Start difference. First operand 1091 states. Second operand 1341 states. [2020-07-18 05:06:56,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:56,072 INFO L93 Difference]: Finished difference Result 1341 states and 1867 transitions. [2020-07-18 05:06:56,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1867 transitions. [2020-07-18 05:06:56,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:56,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:56,075 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:56,075 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:56,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-07-18 05:06:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1498 transitions. [2020-07-18 05:06:56,131 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1498 transitions. Word has length 82 [2020-07-18 05:06:56,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:56,132 INFO L479 AbstractCegarLoop]: Abstraction has 1091 states and 1498 transitions. [2020-07-18 05:06:56,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:56,132 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 1091 states and 1498 transitions. [2020-07-18 05:06:57,905 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1498 edges. 1498 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1498 transitions. [2020-07-18 05:06:57,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-18 05:06:57,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:57,908 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] [2020-07-18 05:06:57,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-18 05:06:57,908 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:57,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:57,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1659922654, now seen corresponding path program 1 times [2020-07-18 05:06:57,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:57,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576842610] [2020-07-18 05:06:57,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:57,964 INFO L280 TraceCheckUtils]: 0: Hoare triple {27408#true} assume true; {27408#true} is VALID [2020-07-18 05:06:57,964 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {27408#true} {27408#true} #295#return; {27408#true} is VALID [2020-07-18 05:06:57,964 INFO L263 TraceCheckUtils]: 0: Hoare triple {27408#true} call ULTIMATE.init(); {27408#true} is VALID [2020-07-18 05:06:57,965 INFO L280 TraceCheckUtils]: 1: Hoare triple {27408#true} assume true; {27408#true} is VALID [2020-07-18 05:06:57,965 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {27408#true} {27408#true} #295#return; {27408#true} is VALID [2020-07-18 05:06:57,965 INFO L263 TraceCheckUtils]: 3: Hoare triple {27408#true} call #t~ret12 := main(); {27408#true} is VALID [2020-07-18 05:06:57,965 INFO L280 TraceCheckUtils]: 4: Hoare triple {27408#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {27408#true} is VALID [2020-07-18 05:06:57,965 INFO L280 TraceCheckUtils]: 5: Hoare triple {27408#true} ~p1~0 := #t~nondet0; {27408#true} is VALID [2020-07-18 05:06:57,966 INFO L280 TraceCheckUtils]: 6: Hoare triple {27408#true} havoc #t~nondet0; {27408#true} is VALID [2020-07-18 05:06:57,966 INFO L280 TraceCheckUtils]: 7: Hoare triple {27408#true} havoc ~lk1~0; {27408#true} is VALID [2020-07-18 05:06:57,966 INFO L280 TraceCheckUtils]: 8: Hoare triple {27408#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {27408#true} is VALID [2020-07-18 05:06:57,966 INFO L280 TraceCheckUtils]: 9: Hoare triple {27408#true} ~p2~0 := #t~nondet1; {27408#true} is VALID [2020-07-18 05:06:57,966 INFO L280 TraceCheckUtils]: 10: Hoare triple {27408#true} havoc #t~nondet1; {27408#true} is VALID [2020-07-18 05:06:57,967 INFO L280 TraceCheckUtils]: 11: Hoare triple {27408#true} havoc ~lk2~0; {27408#true} is VALID [2020-07-18 05:06:57,967 INFO L280 TraceCheckUtils]: 12: Hoare triple {27408#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {27408#true} is VALID [2020-07-18 05:06:57,967 INFO L280 TraceCheckUtils]: 13: Hoare triple {27408#true} ~p3~0 := #t~nondet2; {27408#true} is VALID [2020-07-18 05:06:57,967 INFO L280 TraceCheckUtils]: 14: Hoare triple {27408#true} havoc #t~nondet2; {27408#true} is VALID [2020-07-18 05:06:57,967 INFO L280 TraceCheckUtils]: 15: Hoare triple {27408#true} havoc ~lk3~0; {27408#true} is VALID [2020-07-18 05:06:57,967 INFO L280 TraceCheckUtils]: 16: Hoare triple {27408#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {27408#true} is VALID [2020-07-18 05:06:57,968 INFO L280 TraceCheckUtils]: 17: Hoare triple {27408#true} ~p4~0 := #t~nondet3; {27408#true} is VALID [2020-07-18 05:06:57,968 INFO L280 TraceCheckUtils]: 18: Hoare triple {27408#true} havoc #t~nondet3; {27408#true} is VALID [2020-07-18 05:06:57,968 INFO L280 TraceCheckUtils]: 19: Hoare triple {27408#true} havoc ~lk4~0; {27408#true} is VALID [2020-07-18 05:06:57,968 INFO L280 TraceCheckUtils]: 20: Hoare triple {27408#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {27408#true} is VALID [2020-07-18 05:06:57,968 INFO L280 TraceCheckUtils]: 21: Hoare triple {27408#true} ~p5~0 := #t~nondet4; {27408#true} is VALID [2020-07-18 05:06:57,969 INFO L280 TraceCheckUtils]: 22: Hoare triple {27408#true} havoc #t~nondet4; {27408#true} is VALID [2020-07-18 05:06:57,969 INFO L280 TraceCheckUtils]: 23: Hoare triple {27408#true} havoc ~lk5~0; {27408#true} is VALID [2020-07-18 05:06:57,969 INFO L280 TraceCheckUtils]: 24: Hoare triple {27408#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {27408#true} is VALID [2020-07-18 05:06:57,969 INFO L280 TraceCheckUtils]: 25: Hoare triple {27408#true} ~p6~0 := #t~nondet5; {27408#true} is VALID [2020-07-18 05:06:57,969 INFO L280 TraceCheckUtils]: 26: Hoare triple {27408#true} havoc #t~nondet5; {27408#true} is VALID [2020-07-18 05:06:57,970 INFO L280 TraceCheckUtils]: 27: Hoare triple {27408#true} havoc ~lk6~0; {27408#true} is VALID [2020-07-18 05:06:57,970 INFO L280 TraceCheckUtils]: 28: Hoare triple {27408#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {27408#true} is VALID [2020-07-18 05:06:57,970 INFO L280 TraceCheckUtils]: 29: Hoare triple {27408#true} ~p7~0 := #t~nondet6; {27408#true} is VALID [2020-07-18 05:06:57,970 INFO L280 TraceCheckUtils]: 30: Hoare triple {27408#true} havoc #t~nondet6; {27408#true} is VALID [2020-07-18 05:06:57,970 INFO L280 TraceCheckUtils]: 31: Hoare triple {27408#true} havoc ~lk7~0; {27408#true} is VALID [2020-07-18 05:06:57,970 INFO L280 TraceCheckUtils]: 32: Hoare triple {27408#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {27408#true} is VALID [2020-07-18 05:06:57,971 INFO L280 TraceCheckUtils]: 33: Hoare triple {27408#true} ~p8~0 := #t~nondet7; {27408#true} is VALID [2020-07-18 05:06:57,971 INFO L280 TraceCheckUtils]: 34: Hoare triple {27408#true} havoc #t~nondet7; {27408#true} is VALID [2020-07-18 05:06:57,971 INFO L280 TraceCheckUtils]: 35: Hoare triple {27408#true} havoc ~lk8~0; {27408#true} is VALID [2020-07-18 05:06:57,971 INFO L280 TraceCheckUtils]: 36: Hoare triple {27408#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {27408#true} is VALID [2020-07-18 05:06:57,971 INFO L280 TraceCheckUtils]: 37: Hoare triple {27408#true} ~p9~0 := #t~nondet8; {27408#true} is VALID [2020-07-18 05:06:57,971 INFO L280 TraceCheckUtils]: 38: Hoare triple {27408#true} havoc #t~nondet8; {27408#true} is VALID [2020-07-18 05:06:57,972 INFO L280 TraceCheckUtils]: 39: Hoare triple {27408#true} havoc ~lk9~0; {27408#true} is VALID [2020-07-18 05:06:57,972 INFO L280 TraceCheckUtils]: 40: Hoare triple {27408#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {27408#true} is VALID [2020-07-18 05:06:57,972 INFO L280 TraceCheckUtils]: 41: Hoare triple {27408#true} ~p10~0 := #t~nondet9; {27408#true} is VALID [2020-07-18 05:06:57,972 INFO L280 TraceCheckUtils]: 42: Hoare triple {27408#true} havoc #t~nondet9; {27408#true} is VALID [2020-07-18 05:06:57,972 INFO L280 TraceCheckUtils]: 43: Hoare triple {27408#true} havoc ~lk10~0; {27408#true} is VALID [2020-07-18 05:06:57,972 INFO L280 TraceCheckUtils]: 44: Hoare triple {27408#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {27408#true} is VALID [2020-07-18 05:06:57,973 INFO L280 TraceCheckUtils]: 45: Hoare triple {27408#true} ~p11~0 := #t~nondet10; {27408#true} is VALID [2020-07-18 05:06:57,973 INFO L280 TraceCheckUtils]: 46: Hoare triple {27408#true} havoc #t~nondet10; {27408#true} is VALID [2020-07-18 05:06:57,973 INFO L280 TraceCheckUtils]: 47: Hoare triple {27408#true} havoc ~lk11~0; {27408#true} is VALID [2020-07-18 05:06:57,973 INFO L280 TraceCheckUtils]: 48: Hoare triple {27408#true} havoc ~cond~0; {27408#true} is VALID [2020-07-18 05:06:57,973 INFO L280 TraceCheckUtils]: 49: Hoare triple {27408#true} assume !false; {27408#true} is VALID [2020-07-18 05:06:57,974 INFO L280 TraceCheckUtils]: 50: Hoare triple {27408#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {27408#true} is VALID [2020-07-18 05:06:57,974 INFO L280 TraceCheckUtils]: 51: Hoare triple {27408#true} ~cond~0 := #t~nondet11; {27408#true} is VALID [2020-07-18 05:06:57,974 INFO L280 TraceCheckUtils]: 52: Hoare triple {27408#true} havoc #t~nondet11; {27408#true} is VALID [2020-07-18 05:06:57,974 INFO L280 TraceCheckUtils]: 53: Hoare triple {27408#true} assume !(0 == ~cond~0); {27408#true} is VALID [2020-07-18 05:06:57,974 INFO L280 TraceCheckUtils]: 54: Hoare triple {27408#true} ~lk1~0 := 0; {27408#true} is VALID [2020-07-18 05:06:57,975 INFO L280 TraceCheckUtils]: 55: Hoare triple {27408#true} ~lk2~0 := 0; {27408#true} is VALID [2020-07-18 05:06:57,975 INFO L280 TraceCheckUtils]: 56: Hoare triple {27408#true} ~lk3~0 := 0; {27408#true} is VALID [2020-07-18 05:06:57,975 INFO L280 TraceCheckUtils]: 57: Hoare triple {27408#true} ~lk4~0 := 0; {27408#true} is VALID [2020-07-18 05:06:57,975 INFO L280 TraceCheckUtils]: 58: Hoare triple {27408#true} ~lk5~0 := 0; {27408#true} is VALID [2020-07-18 05:06:57,975 INFO L280 TraceCheckUtils]: 59: Hoare triple {27408#true} ~lk6~0 := 0; {27408#true} is VALID [2020-07-18 05:06:57,975 INFO L280 TraceCheckUtils]: 60: Hoare triple {27408#true} ~lk7~0 := 0; {27408#true} is VALID [2020-07-18 05:06:57,976 INFO L280 TraceCheckUtils]: 61: Hoare triple {27408#true} ~lk8~0 := 0; {27408#true} is VALID [2020-07-18 05:06:57,976 INFO L280 TraceCheckUtils]: 62: Hoare triple {27408#true} ~lk9~0 := 0; {27408#true} is VALID [2020-07-18 05:06:57,976 INFO L280 TraceCheckUtils]: 63: Hoare triple {27408#true} ~lk10~0 := 0; {27408#true} is VALID [2020-07-18 05:06:57,976 INFO L280 TraceCheckUtils]: 64: Hoare triple {27408#true} ~lk11~0 := 0; {27408#true} is VALID [2020-07-18 05:06:57,976 INFO L280 TraceCheckUtils]: 65: Hoare triple {27408#true} assume !(0 != ~p1~0); {27408#true} is VALID [2020-07-18 05:06:57,977 INFO L280 TraceCheckUtils]: 66: Hoare triple {27408#true} assume !(0 != ~p2~0); {27408#true} is VALID [2020-07-18 05:06:57,977 INFO L280 TraceCheckUtils]: 67: Hoare triple {27408#true} assume !(0 != ~p3~0); {27408#true} is VALID [2020-07-18 05:06:57,977 INFO L280 TraceCheckUtils]: 68: Hoare triple {27408#true} assume 0 != ~p4~0; {27408#true} is VALID [2020-07-18 05:06:57,978 INFO L280 TraceCheckUtils]: 69: Hoare triple {27408#true} ~lk4~0 := 1; {27412#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:57,978 INFO L280 TraceCheckUtils]: 70: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p5~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:57,979 INFO L280 TraceCheckUtils]: 71: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p6~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:57,979 INFO L280 TraceCheckUtils]: 72: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p7~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:57,980 INFO L280 TraceCheckUtils]: 73: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p8~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:57,980 INFO L280 TraceCheckUtils]: 74: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p9~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:57,980 INFO L280 TraceCheckUtils]: 75: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p10~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:57,981 INFO L280 TraceCheckUtils]: 76: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p11~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:57,981 INFO L280 TraceCheckUtils]: 77: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p1~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:57,982 INFO L280 TraceCheckUtils]: 78: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p2~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:57,982 INFO L280 TraceCheckUtils]: 79: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p3~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:57,983 INFO L280 TraceCheckUtils]: 80: Hoare triple {27412#(= 1 main_~lk4~0)} assume 0 != ~p4~0; {27412#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:57,983 INFO L280 TraceCheckUtils]: 81: Hoare triple {27412#(= 1 main_~lk4~0)} assume 1 != ~lk4~0; {27409#false} is VALID [2020-07-18 05:06:57,983 INFO L280 TraceCheckUtils]: 82: Hoare triple {27409#false} assume !false; {27409#false} is VALID [2020-07-18 05:06:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:06:57,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [576842610] [2020-07-18 05:06:57,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:57,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:57,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636828895] [2020-07-18 05:06:57,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-18 05:06:57,989 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:57,989 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:58,054 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:58,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:58,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:58,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:58,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:58,055 INFO L87 Difference]: Start difference. First operand 1091 states and 1498 transitions. Second operand 3 states. [2020-07-18 05:07:00,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:00,850 INFO L93 Difference]: Finished difference Result 1335 states and 1852 transitions. [2020-07-18 05:07:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:07:00,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-18 05:07:00,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:07:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:07:00,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2020-07-18 05:07:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:07:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2020-07-18 05:07:00,855 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 231 transitions. [2020-07-18 05:07:01,071 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:01,138 INFO L225 Difference]: With dead ends: 1335 [2020-07-18 05:07:01,139 INFO L226 Difference]: Without dead ends: 1333 [2020-07-18 05:07:01,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:07:01,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2020-07-18 05:07:03,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 1091. [2020-07-18 05:07:03,172 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:07:03,172 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1333 states. Second operand 1091 states. [2020-07-18 05:07:03,172 INFO L74 IsIncluded]: Start isIncluded. First operand 1333 states. Second operand 1091 states. [2020-07-18 05:07:03,172 INFO L87 Difference]: Start difference. First operand 1333 states. Second operand 1091 states. [2020-07-18 05:07:03,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:03,229 INFO L93 Difference]: Finished difference Result 1333 states and 1843 transitions. [2020-07-18 05:07:03,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1843 transitions. [2020-07-18 05:07:03,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:03,231 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:03,232 INFO L74 IsIncluded]: Start isIncluded. First operand 1091 states. Second operand 1333 states. [2020-07-18 05:07:03,232 INFO L87 Difference]: Start difference. First operand 1091 states. Second operand 1333 states. [2020-07-18 05:07:03,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:03,309 INFO L93 Difference]: Finished difference Result 1333 states and 1843 transitions. [2020-07-18 05:07:03,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1843 transitions. [2020-07-18 05:07:03,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:03,310 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:03,310 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:07:03,311 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:07:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-07-18 05:07:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1490 transitions. [2020-07-18 05:07:03,347 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1490 transitions. Word has length 83 [2020-07-18 05:07:03,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:07:03,347 INFO L479 AbstractCegarLoop]: Abstraction has 1091 states and 1490 transitions. [2020-07-18 05:07:03,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:07:03,347 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 1091 states and 1490 transitions. [2020-07-18 05:07:05,178 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1490 edges. 1490 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1490 transitions. [2020-07-18 05:07:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-18 05:07:05,180 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:07:05,180 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] [2020-07-18 05:07:05,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-18 05:07:05,181 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:07:05,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:07:05,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1375558424, now seen corresponding path program 1 times [2020-07-18 05:07:05,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:07:05,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644556032] [2020-07-18 05:07:05,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:07:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:07:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:07:05,251 INFO L280 TraceCheckUtils]: 0: Hoare triple {34933#true} assume true; {34933#true} is VALID [2020-07-18 05:07:05,251 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {34933#true} {34933#true} #295#return; {34933#true} is VALID [2020-07-18 05:07:05,251 INFO L263 TraceCheckUtils]: 0: Hoare triple {34933#true} call ULTIMATE.init(); {34933#true} is VALID [2020-07-18 05:07:05,252 INFO L280 TraceCheckUtils]: 1: Hoare triple {34933#true} assume true; {34933#true} is VALID [2020-07-18 05:07:05,252 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {34933#true} {34933#true} #295#return; {34933#true} is VALID [2020-07-18 05:07:05,252 INFO L263 TraceCheckUtils]: 3: Hoare triple {34933#true} call #t~ret12 := main(); {34933#true} is VALID [2020-07-18 05:07:05,252 INFO L280 TraceCheckUtils]: 4: Hoare triple {34933#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {34933#true} is VALID [2020-07-18 05:07:05,252 INFO L280 TraceCheckUtils]: 5: Hoare triple {34933#true} ~p1~0 := #t~nondet0; {34933#true} is VALID [2020-07-18 05:07:05,255 INFO L280 TraceCheckUtils]: 6: Hoare triple {34933#true} havoc #t~nondet0; {34933#true} is VALID [2020-07-18 05:07:05,256 INFO L280 TraceCheckUtils]: 7: Hoare triple {34933#true} havoc ~lk1~0; {34933#true} is VALID [2020-07-18 05:07:05,256 INFO L280 TraceCheckUtils]: 8: Hoare triple {34933#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {34933#true} is VALID [2020-07-18 05:07:05,256 INFO L280 TraceCheckUtils]: 9: Hoare triple {34933#true} ~p2~0 := #t~nondet1; {34933#true} is VALID [2020-07-18 05:07:05,256 INFO L280 TraceCheckUtils]: 10: Hoare triple {34933#true} havoc #t~nondet1; {34933#true} is VALID [2020-07-18 05:07:05,256 INFO L280 TraceCheckUtils]: 11: Hoare triple {34933#true} havoc ~lk2~0; {34933#true} is VALID [2020-07-18 05:07:05,256 INFO L280 TraceCheckUtils]: 12: Hoare triple {34933#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {34933#true} is VALID [2020-07-18 05:07:05,257 INFO L280 TraceCheckUtils]: 13: Hoare triple {34933#true} ~p3~0 := #t~nondet2; {34933#true} is VALID [2020-07-18 05:07:05,257 INFO L280 TraceCheckUtils]: 14: Hoare triple {34933#true} havoc #t~nondet2; {34933#true} is VALID [2020-07-18 05:07:05,257 INFO L280 TraceCheckUtils]: 15: Hoare triple {34933#true} havoc ~lk3~0; {34933#true} is VALID [2020-07-18 05:07:05,257 INFO L280 TraceCheckUtils]: 16: Hoare triple {34933#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {34933#true} is VALID [2020-07-18 05:07:05,257 INFO L280 TraceCheckUtils]: 17: Hoare triple {34933#true} ~p4~0 := #t~nondet3; {34933#true} is VALID [2020-07-18 05:07:05,257 INFO L280 TraceCheckUtils]: 18: Hoare triple {34933#true} havoc #t~nondet3; {34933#true} is VALID [2020-07-18 05:07:05,258 INFO L280 TraceCheckUtils]: 19: Hoare triple {34933#true} havoc ~lk4~0; {34933#true} is VALID [2020-07-18 05:07:05,258 INFO L280 TraceCheckUtils]: 20: Hoare triple {34933#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {34933#true} is VALID [2020-07-18 05:07:05,258 INFO L280 TraceCheckUtils]: 21: Hoare triple {34933#true} ~p5~0 := #t~nondet4; {34933#true} is VALID [2020-07-18 05:07:05,258 INFO L280 TraceCheckUtils]: 22: Hoare triple {34933#true} havoc #t~nondet4; {34933#true} is VALID [2020-07-18 05:07:05,258 INFO L280 TraceCheckUtils]: 23: Hoare triple {34933#true} havoc ~lk5~0; {34933#true} is VALID [2020-07-18 05:07:05,258 INFO L280 TraceCheckUtils]: 24: Hoare triple {34933#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {34933#true} is VALID [2020-07-18 05:07:05,259 INFO L280 TraceCheckUtils]: 25: Hoare triple {34933#true} ~p6~0 := #t~nondet5; {34933#true} is VALID [2020-07-18 05:07:05,259 INFO L280 TraceCheckUtils]: 26: Hoare triple {34933#true} havoc #t~nondet5; {34933#true} is VALID [2020-07-18 05:07:05,259 INFO L280 TraceCheckUtils]: 27: Hoare triple {34933#true} havoc ~lk6~0; {34933#true} is VALID [2020-07-18 05:07:05,259 INFO L280 TraceCheckUtils]: 28: Hoare triple {34933#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {34933#true} is VALID [2020-07-18 05:07:05,259 INFO L280 TraceCheckUtils]: 29: Hoare triple {34933#true} ~p7~0 := #t~nondet6; {34933#true} is VALID [2020-07-18 05:07:05,259 INFO L280 TraceCheckUtils]: 30: Hoare triple {34933#true} havoc #t~nondet6; {34933#true} is VALID [2020-07-18 05:07:05,260 INFO L280 TraceCheckUtils]: 31: Hoare triple {34933#true} havoc ~lk7~0; {34933#true} is VALID [2020-07-18 05:07:05,260 INFO L280 TraceCheckUtils]: 32: Hoare triple {34933#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {34933#true} is VALID [2020-07-18 05:07:05,260 INFO L280 TraceCheckUtils]: 33: Hoare triple {34933#true} ~p8~0 := #t~nondet7; {34933#true} is VALID [2020-07-18 05:07:05,260 INFO L280 TraceCheckUtils]: 34: Hoare triple {34933#true} havoc #t~nondet7; {34933#true} is VALID [2020-07-18 05:07:05,260 INFO L280 TraceCheckUtils]: 35: Hoare triple {34933#true} havoc ~lk8~0; {34933#true} is VALID [2020-07-18 05:07:05,260 INFO L280 TraceCheckUtils]: 36: Hoare triple {34933#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {34933#true} is VALID [2020-07-18 05:07:05,261 INFO L280 TraceCheckUtils]: 37: Hoare triple {34933#true} ~p9~0 := #t~nondet8; {34933#true} is VALID [2020-07-18 05:07:05,261 INFO L280 TraceCheckUtils]: 38: Hoare triple {34933#true} havoc #t~nondet8; {34933#true} is VALID [2020-07-18 05:07:05,261 INFO L280 TraceCheckUtils]: 39: Hoare triple {34933#true} havoc ~lk9~0; {34933#true} is VALID [2020-07-18 05:07:05,261 INFO L280 TraceCheckUtils]: 40: Hoare triple {34933#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {34933#true} is VALID [2020-07-18 05:07:05,261 INFO L280 TraceCheckUtils]: 41: Hoare triple {34933#true} ~p10~0 := #t~nondet9; {34933#true} is VALID [2020-07-18 05:07:05,261 INFO L280 TraceCheckUtils]: 42: Hoare triple {34933#true} havoc #t~nondet9; {34933#true} is VALID [2020-07-18 05:07:05,261 INFO L280 TraceCheckUtils]: 43: Hoare triple {34933#true} havoc ~lk10~0; {34933#true} is VALID [2020-07-18 05:07:05,261 INFO L280 TraceCheckUtils]: 44: Hoare triple {34933#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {34933#true} is VALID [2020-07-18 05:07:05,262 INFO L280 TraceCheckUtils]: 45: Hoare triple {34933#true} ~p11~0 := #t~nondet10; {34933#true} is VALID [2020-07-18 05:07:05,262 INFO L280 TraceCheckUtils]: 46: Hoare triple {34933#true} havoc #t~nondet10; {34933#true} is VALID [2020-07-18 05:07:05,262 INFO L280 TraceCheckUtils]: 47: Hoare triple {34933#true} havoc ~lk11~0; {34933#true} is VALID [2020-07-18 05:07:05,262 INFO L280 TraceCheckUtils]: 48: Hoare triple {34933#true} havoc ~cond~0; {34933#true} is VALID [2020-07-18 05:07:05,262 INFO L280 TraceCheckUtils]: 49: Hoare triple {34933#true} assume !false; {34933#true} is VALID [2020-07-18 05:07:05,262 INFO L280 TraceCheckUtils]: 50: Hoare triple {34933#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {34933#true} is VALID [2020-07-18 05:07:05,262 INFO L280 TraceCheckUtils]: 51: Hoare triple {34933#true} ~cond~0 := #t~nondet11; {34933#true} is VALID [2020-07-18 05:07:05,262 INFO L280 TraceCheckUtils]: 52: Hoare triple {34933#true} havoc #t~nondet11; {34933#true} is VALID [2020-07-18 05:07:05,263 INFO L280 TraceCheckUtils]: 53: Hoare triple {34933#true} assume !(0 == ~cond~0); {34933#true} is VALID [2020-07-18 05:07:05,263 INFO L280 TraceCheckUtils]: 54: Hoare triple {34933#true} ~lk1~0 := 0; {34933#true} is VALID [2020-07-18 05:07:05,263 INFO L280 TraceCheckUtils]: 55: Hoare triple {34933#true} ~lk2~0 := 0; {34933#true} is VALID [2020-07-18 05:07:05,263 INFO L280 TraceCheckUtils]: 56: Hoare triple {34933#true} ~lk3~0 := 0; {34933#true} is VALID [2020-07-18 05:07:05,263 INFO L280 TraceCheckUtils]: 57: Hoare triple {34933#true} ~lk4~0 := 0; {34933#true} is VALID [2020-07-18 05:07:05,263 INFO L280 TraceCheckUtils]: 58: Hoare triple {34933#true} ~lk5~0 := 0; {34933#true} is VALID [2020-07-18 05:07:05,263 INFO L280 TraceCheckUtils]: 59: Hoare triple {34933#true} ~lk6~0 := 0; {34933#true} is VALID [2020-07-18 05:07:05,263 INFO L280 TraceCheckUtils]: 60: Hoare triple {34933#true} ~lk7~0 := 0; {34933#true} is VALID [2020-07-18 05:07:05,264 INFO L280 TraceCheckUtils]: 61: Hoare triple {34933#true} ~lk8~0 := 0; {34933#true} is VALID [2020-07-18 05:07:05,264 INFO L280 TraceCheckUtils]: 62: Hoare triple {34933#true} ~lk9~0 := 0; {34933#true} is VALID [2020-07-18 05:07:05,264 INFO L280 TraceCheckUtils]: 63: Hoare triple {34933#true} ~lk10~0 := 0; {34933#true} is VALID [2020-07-18 05:07:05,264 INFO L280 TraceCheckUtils]: 64: Hoare triple {34933#true} ~lk11~0 := 0; {34933#true} is VALID [2020-07-18 05:07:05,264 INFO L280 TraceCheckUtils]: 65: Hoare triple {34933#true} assume !(0 != ~p1~0); {34933#true} is VALID [2020-07-18 05:07:05,264 INFO L280 TraceCheckUtils]: 66: Hoare triple {34933#true} assume !(0 != ~p2~0); {34933#true} is VALID [2020-07-18 05:07:05,264 INFO L280 TraceCheckUtils]: 67: Hoare triple {34933#true} assume !(0 != ~p3~0); {34933#true} is VALID [2020-07-18 05:07:05,265 INFO L280 TraceCheckUtils]: 68: Hoare triple {34933#true} assume !(0 != ~p4~0); {34933#true} is VALID [2020-07-18 05:07:05,265 INFO L280 TraceCheckUtils]: 69: Hoare triple {34933#true} assume !(0 != ~p5~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-18 05:07:05,266 INFO L280 TraceCheckUtils]: 70: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p6~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-18 05:07:05,266 INFO L280 TraceCheckUtils]: 71: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p7~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-18 05:07:05,267 INFO L280 TraceCheckUtils]: 72: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p8~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-18 05:07:05,267 INFO L280 TraceCheckUtils]: 73: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p9~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-18 05:07:05,268 INFO L280 TraceCheckUtils]: 74: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p10~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-18 05:07:05,268 INFO L280 TraceCheckUtils]: 75: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p11~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-18 05:07:05,269 INFO L280 TraceCheckUtils]: 76: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p1~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-18 05:07:05,269 INFO L280 TraceCheckUtils]: 77: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p2~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-18 05:07:05,269 INFO L280 TraceCheckUtils]: 78: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p3~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-18 05:07:05,270 INFO L280 TraceCheckUtils]: 79: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p4~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-18 05:07:05,271 INFO L280 TraceCheckUtils]: 80: Hoare triple {34937#(= 0 main_~p5~0)} assume 0 != ~p5~0; {34934#false} is VALID [2020-07-18 05:07:05,271 INFO L280 TraceCheckUtils]: 81: Hoare triple {34934#false} assume 1 != ~lk5~0; {34934#false} is VALID [2020-07-18 05:07:05,271 INFO L280 TraceCheckUtils]: 82: Hoare triple {34934#false} assume !false; {34934#false} is VALID [2020-07-18 05:07:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:07:05,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644556032] [2020-07-18 05:07:05,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:07:05,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:07:05,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486508723] [2020-07-18 05:07:05,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-18 05:07:05,280 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:07:05,280 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:07:05,347 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:05,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:07:05,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:07:05,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:07:05,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:07:05,348 INFO L87 Difference]: Start difference. First operand 1091 states and 1490 transitions. Second operand 3 states. [2020-07-18 05:07:10,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:10,331 INFO L93 Difference]: Finished difference Result 3127 states and 4308 transitions. [2020-07-18 05:07:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:07:10,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-18 05:07:10,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:07:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:07:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2020-07-18 05:07:10,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:07:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2020-07-18 05:07:10,336 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 348 transitions. [2020-07-18 05:07:10,664 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 348 edges. 348 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:10,817 INFO L225 Difference]: With dead ends: 3127 [2020-07-18 05:07:10,818 INFO L226 Difference]: Without dead ends: 2085 [2020-07-18 05:07:10,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:07:10,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2020-07-18 05:07:15,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 2083. [2020-07-18 05:07:15,131 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:07:15,132 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2085 states. Second operand 2083 states. [2020-07-18 05:07:15,132 INFO L74 IsIncluded]: Start isIncluded. First operand 2085 states. Second operand 2083 states. [2020-07-18 05:07:15,132 INFO L87 Difference]: Start difference. First operand 2085 states. Second operand 2083 states. [2020-07-18 05:07:15,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:15,258 INFO L93 Difference]: Finished difference Result 2085 states and 2835 transitions. [2020-07-18 05:07:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2835 transitions. [2020-07-18 05:07:15,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:15,261 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:15,261 INFO L74 IsIncluded]: Start isIncluded. First operand 2083 states. Second operand 2085 states. [2020-07-18 05:07:15,261 INFO L87 Difference]: Start difference. First operand 2083 states. Second operand 2085 states. [2020-07-18 05:07:15,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:15,410 INFO L93 Difference]: Finished difference Result 2085 states and 2835 transitions. [2020-07-18 05:07:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2835 transitions. [2020-07-18 05:07:15,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:15,413 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:15,413 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:07:15,413 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:07:15,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2083 states. [2020-07-18 05:07:15,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 2834 transitions. [2020-07-18 05:07:15,547 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 2834 transitions. Word has length 83 [2020-07-18 05:07:15,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:07:15,547 INFO L479 AbstractCegarLoop]: Abstraction has 2083 states and 2834 transitions. [2020-07-18 05:07:15,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:07:15,548 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2083 states and 2834 transitions. [2020-07-18 05:07:19,179 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2834 edges. 2834 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:19,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2834 transitions. [2020-07-18 05:07:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-18 05:07:19,181 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:07:19,182 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] [2020-07-18 05:07:19,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-18 05:07:19,182 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:07:19,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:07:19,183 INFO L82 PathProgramCache]: Analyzing trace with hash -146869603, now seen corresponding path program 1 times [2020-07-18 05:07:19,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:07:19,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1966960618] [2020-07-18 05:07:19,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:07:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:07:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:07:19,223 INFO L280 TraceCheckUtils]: 0: Hoare triple {49530#true} assume true; {49530#true} is VALID [2020-07-18 05:07:19,224 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {49530#true} {49530#true} #295#return; {49530#true} is VALID [2020-07-18 05:07:19,224 INFO L263 TraceCheckUtils]: 0: Hoare triple {49530#true} call ULTIMATE.init(); {49530#true} is VALID [2020-07-18 05:07:19,224 INFO L280 TraceCheckUtils]: 1: Hoare triple {49530#true} assume true; {49530#true} is VALID [2020-07-18 05:07:19,224 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {49530#true} {49530#true} #295#return; {49530#true} is VALID [2020-07-18 05:07:19,224 INFO L263 TraceCheckUtils]: 3: Hoare triple {49530#true} call #t~ret12 := main(); {49530#true} is VALID [2020-07-18 05:07:19,224 INFO L280 TraceCheckUtils]: 4: Hoare triple {49530#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {49530#true} is VALID [2020-07-18 05:07:19,224 INFO L280 TraceCheckUtils]: 5: Hoare triple {49530#true} ~p1~0 := #t~nondet0; {49530#true} is VALID [2020-07-18 05:07:19,225 INFO L280 TraceCheckUtils]: 6: Hoare triple {49530#true} havoc #t~nondet0; {49530#true} is VALID [2020-07-18 05:07:19,225 INFO L280 TraceCheckUtils]: 7: Hoare triple {49530#true} havoc ~lk1~0; {49530#true} is VALID [2020-07-18 05:07:19,225 INFO L280 TraceCheckUtils]: 8: Hoare triple {49530#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {49530#true} is VALID [2020-07-18 05:07:19,225 INFO L280 TraceCheckUtils]: 9: Hoare triple {49530#true} ~p2~0 := #t~nondet1; {49530#true} is VALID [2020-07-18 05:07:19,225 INFO L280 TraceCheckUtils]: 10: Hoare triple {49530#true} havoc #t~nondet1; {49530#true} is VALID [2020-07-18 05:07:19,225 INFO L280 TraceCheckUtils]: 11: Hoare triple {49530#true} havoc ~lk2~0; {49530#true} is VALID [2020-07-18 05:07:19,225 INFO L280 TraceCheckUtils]: 12: Hoare triple {49530#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {49530#true} is VALID [2020-07-18 05:07:19,225 INFO L280 TraceCheckUtils]: 13: Hoare triple {49530#true} ~p3~0 := #t~nondet2; {49530#true} is VALID [2020-07-18 05:07:19,226 INFO L280 TraceCheckUtils]: 14: Hoare triple {49530#true} havoc #t~nondet2; {49530#true} is VALID [2020-07-18 05:07:19,226 INFO L280 TraceCheckUtils]: 15: Hoare triple {49530#true} havoc ~lk3~0; {49530#true} is VALID [2020-07-18 05:07:19,226 INFO L280 TraceCheckUtils]: 16: Hoare triple {49530#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {49530#true} is VALID [2020-07-18 05:07:19,226 INFO L280 TraceCheckUtils]: 17: Hoare triple {49530#true} ~p4~0 := #t~nondet3; {49530#true} is VALID [2020-07-18 05:07:19,226 INFO L280 TraceCheckUtils]: 18: Hoare triple {49530#true} havoc #t~nondet3; {49530#true} is VALID [2020-07-18 05:07:19,226 INFO L280 TraceCheckUtils]: 19: Hoare triple {49530#true} havoc ~lk4~0; {49530#true} is VALID [2020-07-18 05:07:19,226 INFO L280 TraceCheckUtils]: 20: Hoare triple {49530#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {49530#true} is VALID [2020-07-18 05:07:19,226 INFO L280 TraceCheckUtils]: 21: Hoare triple {49530#true} ~p5~0 := #t~nondet4; {49530#true} is VALID [2020-07-18 05:07:19,227 INFO L280 TraceCheckUtils]: 22: Hoare triple {49530#true} havoc #t~nondet4; {49530#true} is VALID [2020-07-18 05:07:19,227 INFO L280 TraceCheckUtils]: 23: Hoare triple {49530#true} havoc ~lk5~0; {49530#true} is VALID [2020-07-18 05:07:19,227 INFO L280 TraceCheckUtils]: 24: Hoare triple {49530#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {49530#true} is VALID [2020-07-18 05:07:19,227 INFO L280 TraceCheckUtils]: 25: Hoare triple {49530#true} ~p6~0 := #t~nondet5; {49530#true} is VALID [2020-07-18 05:07:19,227 INFO L280 TraceCheckUtils]: 26: Hoare triple {49530#true} havoc #t~nondet5; {49530#true} is VALID [2020-07-18 05:07:19,227 INFO L280 TraceCheckUtils]: 27: Hoare triple {49530#true} havoc ~lk6~0; {49530#true} is VALID [2020-07-18 05:07:19,227 INFO L280 TraceCheckUtils]: 28: Hoare triple {49530#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {49530#true} is VALID [2020-07-18 05:07:19,227 INFO L280 TraceCheckUtils]: 29: Hoare triple {49530#true} ~p7~0 := #t~nondet6; {49530#true} is VALID [2020-07-18 05:07:19,228 INFO L280 TraceCheckUtils]: 30: Hoare triple {49530#true} havoc #t~nondet6; {49530#true} is VALID [2020-07-18 05:07:19,228 INFO L280 TraceCheckUtils]: 31: Hoare triple {49530#true} havoc ~lk7~0; {49530#true} is VALID [2020-07-18 05:07:19,228 INFO L280 TraceCheckUtils]: 32: Hoare triple {49530#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {49530#true} is VALID [2020-07-18 05:07:19,228 INFO L280 TraceCheckUtils]: 33: Hoare triple {49530#true} ~p8~0 := #t~nondet7; {49530#true} is VALID [2020-07-18 05:07:19,228 INFO L280 TraceCheckUtils]: 34: Hoare triple {49530#true} havoc #t~nondet7; {49530#true} is VALID [2020-07-18 05:07:19,228 INFO L280 TraceCheckUtils]: 35: Hoare triple {49530#true} havoc ~lk8~0; {49530#true} is VALID [2020-07-18 05:07:19,228 INFO L280 TraceCheckUtils]: 36: Hoare triple {49530#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {49530#true} is VALID [2020-07-18 05:07:19,229 INFO L280 TraceCheckUtils]: 37: Hoare triple {49530#true} ~p9~0 := #t~nondet8; {49530#true} is VALID [2020-07-18 05:07:19,229 INFO L280 TraceCheckUtils]: 38: Hoare triple {49530#true} havoc #t~nondet8; {49530#true} is VALID [2020-07-18 05:07:19,229 INFO L280 TraceCheckUtils]: 39: Hoare triple {49530#true} havoc ~lk9~0; {49530#true} is VALID [2020-07-18 05:07:19,229 INFO L280 TraceCheckUtils]: 40: Hoare triple {49530#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {49530#true} is VALID [2020-07-18 05:07:19,229 INFO L280 TraceCheckUtils]: 41: Hoare triple {49530#true} ~p10~0 := #t~nondet9; {49530#true} is VALID [2020-07-18 05:07:19,230 INFO L280 TraceCheckUtils]: 42: Hoare triple {49530#true} havoc #t~nondet9; {49530#true} is VALID [2020-07-18 05:07:19,230 INFO L280 TraceCheckUtils]: 43: Hoare triple {49530#true} havoc ~lk10~0; {49530#true} is VALID [2020-07-18 05:07:19,230 INFO L280 TraceCheckUtils]: 44: Hoare triple {49530#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {49530#true} is VALID [2020-07-18 05:07:19,230 INFO L280 TraceCheckUtils]: 45: Hoare triple {49530#true} ~p11~0 := #t~nondet10; {49530#true} is VALID [2020-07-18 05:07:19,230 INFO L280 TraceCheckUtils]: 46: Hoare triple {49530#true} havoc #t~nondet10; {49530#true} is VALID [2020-07-18 05:07:19,230 INFO L280 TraceCheckUtils]: 47: Hoare triple {49530#true} havoc ~lk11~0; {49530#true} is VALID [2020-07-18 05:07:19,231 INFO L280 TraceCheckUtils]: 48: Hoare triple {49530#true} havoc ~cond~0; {49530#true} is VALID [2020-07-18 05:07:19,231 INFO L280 TraceCheckUtils]: 49: Hoare triple {49530#true} assume !false; {49530#true} is VALID [2020-07-18 05:07:19,231 INFO L280 TraceCheckUtils]: 50: Hoare triple {49530#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {49530#true} is VALID [2020-07-18 05:07:19,231 INFO L280 TraceCheckUtils]: 51: Hoare triple {49530#true} ~cond~0 := #t~nondet11; {49530#true} is VALID [2020-07-18 05:07:19,231 INFO L280 TraceCheckUtils]: 52: Hoare triple {49530#true} havoc #t~nondet11; {49530#true} is VALID [2020-07-18 05:07:19,232 INFO L280 TraceCheckUtils]: 53: Hoare triple {49530#true} assume !(0 == ~cond~0); {49530#true} is VALID [2020-07-18 05:07:19,232 INFO L280 TraceCheckUtils]: 54: Hoare triple {49530#true} ~lk1~0 := 0; {49530#true} is VALID [2020-07-18 05:07:19,232 INFO L280 TraceCheckUtils]: 55: Hoare triple {49530#true} ~lk2~0 := 0; {49530#true} is VALID [2020-07-18 05:07:19,232 INFO L280 TraceCheckUtils]: 56: Hoare triple {49530#true} ~lk3~0 := 0; {49530#true} is VALID [2020-07-18 05:07:19,232 INFO L280 TraceCheckUtils]: 57: Hoare triple {49530#true} ~lk4~0 := 0; {49530#true} is VALID [2020-07-18 05:07:19,233 INFO L280 TraceCheckUtils]: 58: Hoare triple {49530#true} ~lk5~0 := 0; {49530#true} is VALID [2020-07-18 05:07:19,233 INFO L280 TraceCheckUtils]: 59: Hoare triple {49530#true} ~lk6~0 := 0; {49530#true} is VALID [2020-07-18 05:07:19,233 INFO L280 TraceCheckUtils]: 60: Hoare triple {49530#true} ~lk7~0 := 0; {49530#true} is VALID [2020-07-18 05:07:19,233 INFO L280 TraceCheckUtils]: 61: Hoare triple {49530#true} ~lk8~0 := 0; {49530#true} is VALID [2020-07-18 05:07:19,233 INFO L280 TraceCheckUtils]: 62: Hoare triple {49530#true} ~lk9~0 := 0; {49530#true} is VALID [2020-07-18 05:07:19,233 INFO L280 TraceCheckUtils]: 63: Hoare triple {49530#true} ~lk10~0 := 0; {49530#true} is VALID [2020-07-18 05:07:19,234 INFO L280 TraceCheckUtils]: 64: Hoare triple {49530#true} ~lk11~0 := 0; {49530#true} is VALID [2020-07-18 05:07:19,234 INFO L280 TraceCheckUtils]: 65: Hoare triple {49530#true} assume !(0 != ~p1~0); {49530#true} is VALID [2020-07-18 05:07:19,234 INFO L280 TraceCheckUtils]: 66: Hoare triple {49530#true} assume !(0 != ~p2~0); {49530#true} is VALID [2020-07-18 05:07:19,234 INFO L280 TraceCheckUtils]: 67: Hoare triple {49530#true} assume !(0 != ~p3~0); {49530#true} is VALID [2020-07-18 05:07:19,234 INFO L280 TraceCheckUtils]: 68: Hoare triple {49530#true} assume !(0 != ~p4~0); {49530#true} is VALID [2020-07-18 05:07:19,235 INFO L280 TraceCheckUtils]: 69: Hoare triple {49530#true} assume 0 != ~p5~0; {49530#true} is VALID [2020-07-18 05:07:19,240 INFO L280 TraceCheckUtils]: 70: Hoare triple {49530#true} ~lk5~0 := 1; {49534#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:19,240 INFO L280 TraceCheckUtils]: 71: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p6~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:19,241 INFO L280 TraceCheckUtils]: 72: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p7~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:19,241 INFO L280 TraceCheckUtils]: 73: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p8~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:19,242 INFO L280 TraceCheckUtils]: 74: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p9~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:19,242 INFO L280 TraceCheckUtils]: 75: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p10~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:19,243 INFO L280 TraceCheckUtils]: 76: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p11~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:19,243 INFO L280 TraceCheckUtils]: 77: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p1~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:19,244 INFO L280 TraceCheckUtils]: 78: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p2~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:19,244 INFO L280 TraceCheckUtils]: 79: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p3~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:19,244 INFO L280 TraceCheckUtils]: 80: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p4~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:19,245 INFO L280 TraceCheckUtils]: 81: Hoare triple {49534#(= 1 main_~lk5~0)} assume 0 != ~p5~0; {49534#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:19,245 INFO L280 TraceCheckUtils]: 82: Hoare triple {49534#(= 1 main_~lk5~0)} assume 1 != ~lk5~0; {49531#false} is VALID [2020-07-18 05:07:19,246 INFO L280 TraceCheckUtils]: 83: Hoare triple {49531#false} assume !false; {49531#false} is VALID [2020-07-18 05:07:19,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:07:19,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1966960618] [2020-07-18 05:07:19,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:07:19,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:07:19,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209575589] [2020-07-18 05:07:19,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-07-18 05:07:19,251 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:07:19,251 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:07:19,317 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:19,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:07:19,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:07:19,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:07:19,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:07:19,318 INFO L87 Difference]: Start difference. First operand 2083 states and 2834 transitions. Second operand 3 states. [2020-07-18 05:07:25,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:25,381 INFO L93 Difference]: Finished difference Result 2535 states and 3476 transitions. [2020-07-18 05:07:25,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:07:25,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-07-18 05:07:25,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:07:25,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:07:25,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2020-07-18 05:07:25,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:07:25,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2020-07-18 05:07:25,386 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 227 transitions. [2020-07-18 05:07:25,601 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 227 edges. 227 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:25,814 INFO L225 Difference]: With dead ends: 2535 [2020-07-18 05:07:25,814 INFO L226 Difference]: Without dead ends: 2533 [2020-07-18 05:07:25,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:07:25,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2533 states. [2020-07-18 05:07:30,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2533 to 2083. [2020-07-18 05:07:30,532 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:07:30,532 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2533 states. Second operand 2083 states. [2020-07-18 05:07:30,533 INFO L74 IsIncluded]: Start isIncluded. First operand 2533 states. Second operand 2083 states. [2020-07-18 05:07:30,533 INFO L87 Difference]: Start difference. First operand 2533 states. Second operand 2083 states. [2020-07-18 05:07:30,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:30,707 INFO L93 Difference]: Finished difference Result 2533 states and 3459 transitions. [2020-07-18 05:07:30,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3459 transitions. [2020-07-18 05:07:30,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:30,710 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:30,710 INFO L74 IsIncluded]: Start isIncluded. First operand 2083 states. Second operand 2533 states. [2020-07-18 05:07:30,710 INFO L87 Difference]: Start difference. First operand 2083 states. Second operand 2533 states. [2020-07-18 05:07:30,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:30,904 INFO L93 Difference]: Finished difference Result 2533 states and 3459 transitions. [2020-07-18 05:07:30,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3459 transitions. [2020-07-18 05:07:30,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:30,907 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:30,907 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:07:30,907 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:07:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2083 states. [2020-07-18 05:07:31,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 2818 transitions. [2020-07-18 05:07:31,026 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 2818 transitions. Word has length 84 [2020-07-18 05:07:31,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:07:31,027 INFO L479 AbstractCegarLoop]: Abstraction has 2083 states and 2818 transitions. [2020-07-18 05:07:31,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:07:31,027 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2083 states and 2818 transitions. [2020-07-18 05:07:34,704 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2818 edges. 2818 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2818 transitions. [2020-07-18 05:07:34,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-18 05:07:34,706 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:07:34,706 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] [2020-07-18 05:07:34,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-18 05:07:34,707 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:07:34,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:07:34,707 INFO L82 PathProgramCache]: Analyzing trace with hash -307116750, now seen corresponding path program 1 times [2020-07-18 05:07:34,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:07:34,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381325338] [2020-07-18 05:07:34,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:07:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:07:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:07:34,746 INFO L280 TraceCheckUtils]: 0: Hoare triple {63839#true} assume true; {63839#true} is VALID [2020-07-18 05:07:34,747 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {63839#true} {63839#true} #295#return; {63839#true} is VALID [2020-07-18 05:07:34,747 INFO L263 TraceCheckUtils]: 0: Hoare triple {63839#true} call ULTIMATE.init(); {63839#true} is VALID [2020-07-18 05:07:34,747 INFO L280 TraceCheckUtils]: 1: Hoare triple {63839#true} assume true; {63839#true} is VALID [2020-07-18 05:07:34,747 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {63839#true} {63839#true} #295#return; {63839#true} is VALID [2020-07-18 05:07:34,747 INFO L263 TraceCheckUtils]: 3: Hoare triple {63839#true} call #t~ret12 := main(); {63839#true} is VALID [2020-07-18 05:07:34,748 INFO L280 TraceCheckUtils]: 4: Hoare triple {63839#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {63839#true} is VALID [2020-07-18 05:07:34,748 INFO L280 TraceCheckUtils]: 5: Hoare triple {63839#true} ~p1~0 := #t~nondet0; {63839#true} is VALID [2020-07-18 05:07:34,748 INFO L280 TraceCheckUtils]: 6: Hoare triple {63839#true} havoc #t~nondet0; {63839#true} is VALID [2020-07-18 05:07:34,748 INFO L280 TraceCheckUtils]: 7: Hoare triple {63839#true} havoc ~lk1~0; {63839#true} is VALID [2020-07-18 05:07:34,748 INFO L280 TraceCheckUtils]: 8: Hoare triple {63839#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {63839#true} is VALID [2020-07-18 05:07:34,749 INFO L280 TraceCheckUtils]: 9: Hoare triple {63839#true} ~p2~0 := #t~nondet1; {63839#true} is VALID [2020-07-18 05:07:34,749 INFO L280 TraceCheckUtils]: 10: Hoare triple {63839#true} havoc #t~nondet1; {63839#true} is VALID [2020-07-18 05:07:34,749 INFO L280 TraceCheckUtils]: 11: Hoare triple {63839#true} havoc ~lk2~0; {63839#true} is VALID [2020-07-18 05:07:34,749 INFO L280 TraceCheckUtils]: 12: Hoare triple {63839#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {63839#true} is VALID [2020-07-18 05:07:34,749 INFO L280 TraceCheckUtils]: 13: Hoare triple {63839#true} ~p3~0 := #t~nondet2; {63839#true} is VALID [2020-07-18 05:07:34,749 INFO L280 TraceCheckUtils]: 14: Hoare triple {63839#true} havoc #t~nondet2; {63839#true} is VALID [2020-07-18 05:07:34,750 INFO L280 TraceCheckUtils]: 15: Hoare triple {63839#true} havoc ~lk3~0; {63839#true} is VALID [2020-07-18 05:07:34,750 INFO L280 TraceCheckUtils]: 16: Hoare triple {63839#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {63839#true} is VALID [2020-07-18 05:07:34,750 INFO L280 TraceCheckUtils]: 17: Hoare triple {63839#true} ~p4~0 := #t~nondet3; {63839#true} is VALID [2020-07-18 05:07:34,750 INFO L280 TraceCheckUtils]: 18: Hoare triple {63839#true} havoc #t~nondet3; {63839#true} is VALID [2020-07-18 05:07:34,750 INFO L280 TraceCheckUtils]: 19: Hoare triple {63839#true} havoc ~lk4~0; {63839#true} is VALID [2020-07-18 05:07:34,751 INFO L280 TraceCheckUtils]: 20: Hoare triple {63839#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {63839#true} is VALID [2020-07-18 05:07:34,751 INFO L280 TraceCheckUtils]: 21: Hoare triple {63839#true} ~p5~0 := #t~nondet4; {63839#true} is VALID [2020-07-18 05:07:34,751 INFO L280 TraceCheckUtils]: 22: Hoare triple {63839#true} havoc #t~nondet4; {63839#true} is VALID [2020-07-18 05:07:34,751 INFO L280 TraceCheckUtils]: 23: Hoare triple {63839#true} havoc ~lk5~0; {63839#true} is VALID [2020-07-18 05:07:34,751 INFO L280 TraceCheckUtils]: 24: Hoare triple {63839#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {63839#true} is VALID [2020-07-18 05:07:34,752 INFO L280 TraceCheckUtils]: 25: Hoare triple {63839#true} ~p6~0 := #t~nondet5; {63839#true} is VALID [2020-07-18 05:07:34,752 INFO L280 TraceCheckUtils]: 26: Hoare triple {63839#true} havoc #t~nondet5; {63839#true} is VALID [2020-07-18 05:07:34,752 INFO L280 TraceCheckUtils]: 27: Hoare triple {63839#true} havoc ~lk6~0; {63839#true} is VALID [2020-07-18 05:07:34,752 INFO L280 TraceCheckUtils]: 28: Hoare triple {63839#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {63839#true} is VALID [2020-07-18 05:07:34,752 INFO L280 TraceCheckUtils]: 29: Hoare triple {63839#true} ~p7~0 := #t~nondet6; {63839#true} is VALID [2020-07-18 05:07:34,752 INFO L280 TraceCheckUtils]: 30: Hoare triple {63839#true} havoc #t~nondet6; {63839#true} is VALID [2020-07-18 05:07:34,753 INFO L280 TraceCheckUtils]: 31: Hoare triple {63839#true} havoc ~lk7~0; {63839#true} is VALID [2020-07-18 05:07:34,753 INFO L280 TraceCheckUtils]: 32: Hoare triple {63839#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {63839#true} is VALID [2020-07-18 05:07:34,753 INFO L280 TraceCheckUtils]: 33: Hoare triple {63839#true} ~p8~0 := #t~nondet7; {63839#true} is VALID [2020-07-18 05:07:34,753 INFO L280 TraceCheckUtils]: 34: Hoare triple {63839#true} havoc #t~nondet7; {63839#true} is VALID [2020-07-18 05:07:34,753 INFO L280 TraceCheckUtils]: 35: Hoare triple {63839#true} havoc ~lk8~0; {63839#true} is VALID [2020-07-18 05:07:34,754 INFO L280 TraceCheckUtils]: 36: Hoare triple {63839#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {63839#true} is VALID [2020-07-18 05:07:34,754 INFO L280 TraceCheckUtils]: 37: Hoare triple {63839#true} ~p9~0 := #t~nondet8; {63839#true} is VALID [2020-07-18 05:07:34,754 INFO L280 TraceCheckUtils]: 38: Hoare triple {63839#true} havoc #t~nondet8; {63839#true} is VALID [2020-07-18 05:07:34,754 INFO L280 TraceCheckUtils]: 39: Hoare triple {63839#true} havoc ~lk9~0; {63839#true} is VALID [2020-07-18 05:07:34,754 INFO L280 TraceCheckUtils]: 40: Hoare triple {63839#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {63839#true} is VALID [2020-07-18 05:07:34,754 INFO L280 TraceCheckUtils]: 41: Hoare triple {63839#true} ~p10~0 := #t~nondet9; {63839#true} is VALID [2020-07-18 05:07:34,755 INFO L280 TraceCheckUtils]: 42: Hoare triple {63839#true} havoc #t~nondet9; {63839#true} is VALID [2020-07-18 05:07:34,755 INFO L280 TraceCheckUtils]: 43: Hoare triple {63839#true} havoc ~lk10~0; {63839#true} is VALID [2020-07-18 05:07:34,755 INFO L280 TraceCheckUtils]: 44: Hoare triple {63839#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {63839#true} is VALID [2020-07-18 05:07:34,755 INFO L280 TraceCheckUtils]: 45: Hoare triple {63839#true} ~p11~0 := #t~nondet10; {63839#true} is VALID [2020-07-18 05:07:34,755 INFO L280 TraceCheckUtils]: 46: Hoare triple {63839#true} havoc #t~nondet10; {63839#true} is VALID [2020-07-18 05:07:34,756 INFO L280 TraceCheckUtils]: 47: Hoare triple {63839#true} havoc ~lk11~0; {63839#true} is VALID [2020-07-18 05:07:34,756 INFO L280 TraceCheckUtils]: 48: Hoare triple {63839#true} havoc ~cond~0; {63839#true} is VALID [2020-07-18 05:07:34,756 INFO L280 TraceCheckUtils]: 49: Hoare triple {63839#true} assume !false; {63839#true} is VALID [2020-07-18 05:07:34,756 INFO L280 TraceCheckUtils]: 50: Hoare triple {63839#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {63839#true} is VALID [2020-07-18 05:07:34,756 INFO L280 TraceCheckUtils]: 51: Hoare triple {63839#true} ~cond~0 := #t~nondet11; {63839#true} is VALID [2020-07-18 05:07:34,756 INFO L280 TraceCheckUtils]: 52: Hoare triple {63839#true} havoc #t~nondet11; {63839#true} is VALID [2020-07-18 05:07:34,757 INFO L280 TraceCheckUtils]: 53: Hoare triple {63839#true} assume !(0 == ~cond~0); {63839#true} is VALID [2020-07-18 05:07:34,757 INFO L280 TraceCheckUtils]: 54: Hoare triple {63839#true} ~lk1~0 := 0; {63839#true} is VALID [2020-07-18 05:07:34,757 INFO L280 TraceCheckUtils]: 55: Hoare triple {63839#true} ~lk2~0 := 0; {63839#true} is VALID [2020-07-18 05:07:34,758 INFO L280 TraceCheckUtils]: 56: Hoare triple {63839#true} ~lk3~0 := 0; {63839#true} is VALID [2020-07-18 05:07:34,758 INFO L280 TraceCheckUtils]: 57: Hoare triple {63839#true} ~lk4~0 := 0; {63839#true} is VALID [2020-07-18 05:07:34,758 INFO L280 TraceCheckUtils]: 58: Hoare triple {63839#true} ~lk5~0 := 0; {63839#true} is VALID [2020-07-18 05:07:34,758 INFO L280 TraceCheckUtils]: 59: Hoare triple {63839#true} ~lk6~0 := 0; {63839#true} is VALID [2020-07-18 05:07:34,758 INFO L280 TraceCheckUtils]: 60: Hoare triple {63839#true} ~lk7~0 := 0; {63839#true} is VALID [2020-07-18 05:07:34,758 INFO L280 TraceCheckUtils]: 61: Hoare triple {63839#true} ~lk8~0 := 0; {63839#true} is VALID [2020-07-18 05:07:34,759 INFO L280 TraceCheckUtils]: 62: Hoare triple {63839#true} ~lk9~0 := 0; {63839#true} is VALID [2020-07-18 05:07:34,759 INFO L280 TraceCheckUtils]: 63: Hoare triple {63839#true} ~lk10~0 := 0; {63839#true} is VALID [2020-07-18 05:07:34,759 INFO L280 TraceCheckUtils]: 64: Hoare triple {63839#true} ~lk11~0 := 0; {63839#true} is VALID [2020-07-18 05:07:34,759 INFO L280 TraceCheckUtils]: 65: Hoare triple {63839#true} assume !(0 != ~p1~0); {63839#true} is VALID [2020-07-18 05:07:34,759 INFO L280 TraceCheckUtils]: 66: Hoare triple {63839#true} assume !(0 != ~p2~0); {63839#true} is VALID [2020-07-18 05:07:34,760 INFO L280 TraceCheckUtils]: 67: Hoare triple {63839#true} assume !(0 != ~p3~0); {63839#true} is VALID [2020-07-18 05:07:34,760 INFO L280 TraceCheckUtils]: 68: Hoare triple {63839#true} assume !(0 != ~p4~0); {63839#true} is VALID [2020-07-18 05:07:34,760 INFO L280 TraceCheckUtils]: 69: Hoare triple {63839#true} assume !(0 != ~p5~0); {63839#true} is VALID [2020-07-18 05:07:34,761 INFO L280 TraceCheckUtils]: 70: Hoare triple {63839#true} assume !(0 != ~p6~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:34,761 INFO L280 TraceCheckUtils]: 71: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p7~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:34,762 INFO L280 TraceCheckUtils]: 72: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p8~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:34,762 INFO L280 TraceCheckUtils]: 73: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p9~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:34,763 INFO L280 TraceCheckUtils]: 74: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p10~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:34,763 INFO L280 TraceCheckUtils]: 75: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p11~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:34,764 INFO L280 TraceCheckUtils]: 76: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p1~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:34,764 INFO L280 TraceCheckUtils]: 77: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p2~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:34,765 INFO L280 TraceCheckUtils]: 78: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p3~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:34,765 INFO L280 TraceCheckUtils]: 79: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p4~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:34,766 INFO L280 TraceCheckUtils]: 80: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p5~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:34,766 INFO L280 TraceCheckUtils]: 81: Hoare triple {63843#(= 0 main_~p6~0)} assume 0 != ~p6~0; {63840#false} is VALID [2020-07-18 05:07:34,766 INFO L280 TraceCheckUtils]: 82: Hoare triple {63840#false} assume 1 != ~lk6~0; {63840#false} is VALID [2020-07-18 05:07:34,766 INFO L280 TraceCheckUtils]: 83: Hoare triple {63840#false} assume !false; {63840#false} is VALID [2020-07-18 05:07:34,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:07:34,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381325338] [2020-07-18 05:07:34,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:07:34,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:07:34,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206215299] [2020-07-18 05:07:34,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-07-18 05:07:34,772 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:07:34,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:07:34,845 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:34,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:07:34,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:07:34,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:07:34,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:07:34,846 INFO L87 Difference]: Start difference. First operand 2083 states and 2818 transitions. Second operand 3 states. [2020-07-18 05:07:46,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:46,748 INFO L93 Difference]: Finished difference Result 6055 states and 8228 transitions. [2020-07-18 05:07:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:07:46,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-07-18 05:07:46,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:07:46,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:07:46,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 345 transitions. [2020-07-18 05:07:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:07:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 345 transitions. [2020-07-18 05:07:46,755 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 345 transitions. [2020-07-18 05:07:47,092 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 345 edges. 345 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:47,639 INFO L225 Difference]: With dead ends: 6055 [2020-07-18 05:07:47,640 INFO L226 Difference]: Without dead ends: 4021 [2020-07-18 05:07:47,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:07:47,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4021 states. [2020-07-18 05:07:57,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4021 to 4019. [2020-07-18 05:07:57,277 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:07:57,277 INFO L82 GeneralOperation]: Start isEquivalent. First operand 4021 states. Second operand 4019 states. [2020-07-18 05:07:57,278 INFO L74 IsIncluded]: Start isIncluded. First operand 4021 states. Second operand 4019 states. [2020-07-18 05:07:57,278 INFO L87 Difference]: Start difference. First operand 4021 states. Second operand 4019 states. [2020-07-18 05:07:57,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:57,757 INFO L93 Difference]: Finished difference Result 4021 states and 5395 transitions. [2020-07-18 05:07:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 4021 states and 5395 transitions. [2020-07-18 05:07:57,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:57,761 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:57,761 INFO L74 IsIncluded]: Start isIncluded. First operand 4019 states. Second operand 4021 states. [2020-07-18 05:07:57,761 INFO L87 Difference]: Start difference. First operand 4019 states. Second operand 4021 states. [2020-07-18 05:07:58,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:58,234 INFO L93 Difference]: Finished difference Result 4021 states and 5395 transitions. [2020-07-18 05:07:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 4021 states and 5395 transitions. [2020-07-18 05:07:58,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:58,238 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:58,238 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:07:58,238 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:07:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4019 states. [2020-07-18 05:07:58,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 5394 transitions. [2020-07-18 05:07:58,701 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 5394 transitions. Word has length 84 [2020-07-18 05:07:58,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:07:58,701 INFO L479 AbstractCegarLoop]: Abstraction has 4019 states and 5394 transitions. [2020-07-18 05:07:58,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:07:58,702 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4019 states and 5394 transitions. [2020-07-18 05:08:05,501 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5394 edges. 5394 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:08:05,502 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 5394 transitions. [2020-07-18 05:08:05,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-18 05:08:05,505 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:08:05,505 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] [2020-07-18 05:08:05,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-18 05:08:05,505 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:08:05,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:08:05,506 INFO L82 PathProgramCache]: Analyzing trace with hash -322854350, now seen corresponding path program 1 times [2020-07-18 05:08:05,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:08:05,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1732250366] [2020-07-18 05:08:05,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:08:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:08:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:08:05,543 INFO L280 TraceCheckUtils]: 0: Hoare triple {92036#true} assume true; {92036#true} is VALID [2020-07-18 05:08:05,543 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {92036#true} {92036#true} #295#return; {92036#true} is VALID [2020-07-18 05:08:05,544 INFO L263 TraceCheckUtils]: 0: Hoare triple {92036#true} call ULTIMATE.init(); {92036#true} is VALID [2020-07-18 05:08:05,544 INFO L280 TraceCheckUtils]: 1: Hoare triple {92036#true} assume true; {92036#true} is VALID [2020-07-18 05:08:05,544 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {92036#true} {92036#true} #295#return; {92036#true} is VALID [2020-07-18 05:08:05,544 INFO L263 TraceCheckUtils]: 3: Hoare triple {92036#true} call #t~ret12 := main(); {92036#true} is VALID [2020-07-18 05:08:05,544 INFO L280 TraceCheckUtils]: 4: Hoare triple {92036#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {92036#true} is VALID [2020-07-18 05:08:05,545 INFO L280 TraceCheckUtils]: 5: Hoare triple {92036#true} ~p1~0 := #t~nondet0; {92036#true} is VALID [2020-07-18 05:08:05,545 INFO L280 TraceCheckUtils]: 6: Hoare triple {92036#true} havoc #t~nondet0; {92036#true} is VALID [2020-07-18 05:08:05,545 INFO L280 TraceCheckUtils]: 7: Hoare triple {92036#true} havoc ~lk1~0; {92036#true} is VALID [2020-07-18 05:08:05,545 INFO L280 TraceCheckUtils]: 8: Hoare triple {92036#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {92036#true} is VALID [2020-07-18 05:08:05,545 INFO L280 TraceCheckUtils]: 9: Hoare triple {92036#true} ~p2~0 := #t~nondet1; {92036#true} is VALID [2020-07-18 05:08:05,545 INFO L280 TraceCheckUtils]: 10: Hoare triple {92036#true} havoc #t~nondet1; {92036#true} is VALID [2020-07-18 05:08:05,546 INFO L280 TraceCheckUtils]: 11: Hoare triple {92036#true} havoc ~lk2~0; {92036#true} is VALID [2020-07-18 05:08:05,546 INFO L280 TraceCheckUtils]: 12: Hoare triple {92036#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {92036#true} is VALID [2020-07-18 05:08:05,546 INFO L280 TraceCheckUtils]: 13: Hoare triple {92036#true} ~p3~0 := #t~nondet2; {92036#true} is VALID [2020-07-18 05:08:05,546 INFO L280 TraceCheckUtils]: 14: Hoare triple {92036#true} havoc #t~nondet2; {92036#true} is VALID [2020-07-18 05:08:05,546 INFO L280 TraceCheckUtils]: 15: Hoare triple {92036#true} havoc ~lk3~0; {92036#true} is VALID [2020-07-18 05:08:05,546 INFO L280 TraceCheckUtils]: 16: Hoare triple {92036#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {92036#true} is VALID [2020-07-18 05:08:05,546 INFO L280 TraceCheckUtils]: 17: Hoare triple {92036#true} ~p4~0 := #t~nondet3; {92036#true} is VALID [2020-07-18 05:08:05,547 INFO L280 TraceCheckUtils]: 18: Hoare triple {92036#true} havoc #t~nondet3; {92036#true} is VALID [2020-07-18 05:08:05,547 INFO L280 TraceCheckUtils]: 19: Hoare triple {92036#true} havoc ~lk4~0; {92036#true} is VALID [2020-07-18 05:08:05,547 INFO L280 TraceCheckUtils]: 20: Hoare triple {92036#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {92036#true} is VALID [2020-07-18 05:08:05,547 INFO L280 TraceCheckUtils]: 21: Hoare triple {92036#true} ~p5~0 := #t~nondet4; {92036#true} is VALID [2020-07-18 05:08:05,547 INFO L280 TraceCheckUtils]: 22: Hoare triple {92036#true} havoc #t~nondet4; {92036#true} is VALID [2020-07-18 05:08:05,547 INFO L280 TraceCheckUtils]: 23: Hoare triple {92036#true} havoc ~lk5~0; {92036#true} is VALID [2020-07-18 05:08:05,548 INFO L280 TraceCheckUtils]: 24: Hoare triple {92036#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {92036#true} is VALID [2020-07-18 05:08:05,548 INFO L280 TraceCheckUtils]: 25: Hoare triple {92036#true} ~p6~0 := #t~nondet5; {92036#true} is VALID [2020-07-18 05:08:05,548 INFO L280 TraceCheckUtils]: 26: Hoare triple {92036#true} havoc #t~nondet5; {92036#true} is VALID [2020-07-18 05:08:05,548 INFO L280 TraceCheckUtils]: 27: Hoare triple {92036#true} havoc ~lk6~0; {92036#true} is VALID [2020-07-18 05:08:05,548 INFO L280 TraceCheckUtils]: 28: Hoare triple {92036#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {92036#true} is VALID [2020-07-18 05:08:05,549 INFO L280 TraceCheckUtils]: 29: Hoare triple {92036#true} ~p7~0 := #t~nondet6; {92036#true} is VALID [2020-07-18 05:08:05,549 INFO L280 TraceCheckUtils]: 30: Hoare triple {92036#true} havoc #t~nondet6; {92036#true} is VALID [2020-07-18 05:08:05,549 INFO L280 TraceCheckUtils]: 31: Hoare triple {92036#true} havoc ~lk7~0; {92036#true} is VALID [2020-07-18 05:08:05,549 INFO L280 TraceCheckUtils]: 32: Hoare triple {92036#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {92036#true} is VALID [2020-07-18 05:08:05,549 INFO L280 TraceCheckUtils]: 33: Hoare triple {92036#true} ~p8~0 := #t~nondet7; {92036#true} is VALID [2020-07-18 05:08:05,549 INFO L280 TraceCheckUtils]: 34: Hoare triple {92036#true} havoc #t~nondet7; {92036#true} is VALID [2020-07-18 05:08:05,550 INFO L280 TraceCheckUtils]: 35: Hoare triple {92036#true} havoc ~lk8~0; {92036#true} is VALID [2020-07-18 05:08:05,550 INFO L280 TraceCheckUtils]: 36: Hoare triple {92036#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {92036#true} is VALID [2020-07-18 05:08:05,550 INFO L280 TraceCheckUtils]: 37: Hoare triple {92036#true} ~p9~0 := #t~nondet8; {92036#true} is VALID [2020-07-18 05:08:05,550 INFO L280 TraceCheckUtils]: 38: Hoare triple {92036#true} havoc #t~nondet8; {92036#true} is VALID [2020-07-18 05:08:05,550 INFO L280 TraceCheckUtils]: 39: Hoare triple {92036#true} havoc ~lk9~0; {92036#true} is VALID [2020-07-18 05:08:05,551 INFO L280 TraceCheckUtils]: 40: Hoare triple {92036#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {92036#true} is VALID [2020-07-18 05:08:05,551 INFO L280 TraceCheckUtils]: 41: Hoare triple {92036#true} ~p10~0 := #t~nondet9; {92036#true} is VALID [2020-07-18 05:08:05,551 INFO L280 TraceCheckUtils]: 42: Hoare triple {92036#true} havoc #t~nondet9; {92036#true} is VALID [2020-07-18 05:08:05,551 INFO L280 TraceCheckUtils]: 43: Hoare triple {92036#true} havoc ~lk10~0; {92036#true} is VALID [2020-07-18 05:08:05,551 INFO L280 TraceCheckUtils]: 44: Hoare triple {92036#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {92036#true} is VALID [2020-07-18 05:08:05,551 INFO L280 TraceCheckUtils]: 45: Hoare triple {92036#true} ~p11~0 := #t~nondet10; {92036#true} is VALID [2020-07-18 05:08:05,552 INFO L280 TraceCheckUtils]: 46: Hoare triple {92036#true} havoc #t~nondet10; {92036#true} is VALID [2020-07-18 05:08:05,552 INFO L280 TraceCheckUtils]: 47: Hoare triple {92036#true} havoc ~lk11~0; {92036#true} is VALID [2020-07-18 05:08:05,552 INFO L280 TraceCheckUtils]: 48: Hoare triple {92036#true} havoc ~cond~0; {92036#true} is VALID [2020-07-18 05:08:05,552 INFO L280 TraceCheckUtils]: 49: Hoare triple {92036#true} assume !false; {92036#true} is VALID [2020-07-18 05:08:05,552 INFO L280 TraceCheckUtils]: 50: Hoare triple {92036#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {92036#true} is VALID [2020-07-18 05:08:05,553 INFO L280 TraceCheckUtils]: 51: Hoare triple {92036#true} ~cond~0 := #t~nondet11; {92036#true} is VALID [2020-07-18 05:08:05,553 INFO L280 TraceCheckUtils]: 52: Hoare triple {92036#true} havoc #t~nondet11; {92036#true} is VALID [2020-07-18 05:08:05,553 INFO L280 TraceCheckUtils]: 53: Hoare triple {92036#true} assume !(0 == ~cond~0); {92036#true} is VALID [2020-07-18 05:08:05,553 INFO L280 TraceCheckUtils]: 54: Hoare triple {92036#true} ~lk1~0 := 0; {92036#true} is VALID [2020-07-18 05:08:05,553 INFO L280 TraceCheckUtils]: 55: Hoare triple {92036#true} ~lk2~0 := 0; {92036#true} is VALID [2020-07-18 05:08:05,553 INFO L280 TraceCheckUtils]: 56: Hoare triple {92036#true} ~lk3~0 := 0; {92036#true} is VALID [2020-07-18 05:08:05,554 INFO L280 TraceCheckUtils]: 57: Hoare triple {92036#true} ~lk4~0 := 0; {92036#true} is VALID [2020-07-18 05:08:05,554 INFO L280 TraceCheckUtils]: 58: Hoare triple {92036#true} ~lk5~0 := 0; {92036#true} is VALID [2020-07-18 05:08:05,554 INFO L280 TraceCheckUtils]: 59: Hoare triple {92036#true} ~lk6~0 := 0; {92036#true} is VALID [2020-07-18 05:08:05,554 INFO L280 TraceCheckUtils]: 60: Hoare triple {92036#true} ~lk7~0 := 0; {92036#true} is VALID [2020-07-18 05:08:05,554 INFO L280 TraceCheckUtils]: 61: Hoare triple {92036#true} ~lk8~0 := 0; {92036#true} is VALID [2020-07-18 05:08:05,555 INFO L280 TraceCheckUtils]: 62: Hoare triple {92036#true} ~lk9~0 := 0; {92036#true} is VALID [2020-07-18 05:08:05,555 INFO L280 TraceCheckUtils]: 63: Hoare triple {92036#true} ~lk10~0 := 0; {92036#true} is VALID [2020-07-18 05:08:05,555 INFO L280 TraceCheckUtils]: 64: Hoare triple {92036#true} ~lk11~0 := 0; {92036#true} is VALID [2020-07-18 05:08:05,555 INFO L280 TraceCheckUtils]: 65: Hoare triple {92036#true} assume !(0 != ~p1~0); {92036#true} is VALID [2020-07-18 05:08:05,555 INFO L280 TraceCheckUtils]: 66: Hoare triple {92036#true} assume !(0 != ~p2~0); {92036#true} is VALID [2020-07-18 05:08:05,555 INFO L280 TraceCheckUtils]: 67: Hoare triple {92036#true} assume !(0 != ~p3~0); {92036#true} is VALID [2020-07-18 05:08:05,556 INFO L280 TraceCheckUtils]: 68: Hoare triple {92036#true} assume !(0 != ~p4~0); {92036#true} is VALID [2020-07-18 05:08:05,556 INFO L280 TraceCheckUtils]: 69: Hoare triple {92036#true} assume !(0 != ~p5~0); {92036#true} is VALID [2020-07-18 05:08:05,556 INFO L280 TraceCheckUtils]: 70: Hoare triple {92036#true} assume 0 != ~p6~0; {92036#true} is VALID [2020-07-18 05:08:05,557 INFO L280 TraceCheckUtils]: 71: Hoare triple {92036#true} ~lk6~0 := 1; {92040#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:05,557 INFO L280 TraceCheckUtils]: 72: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p7~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:05,558 INFO L280 TraceCheckUtils]: 73: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p8~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:05,558 INFO L280 TraceCheckUtils]: 74: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p9~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:05,559 INFO L280 TraceCheckUtils]: 75: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p10~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:05,559 INFO L280 TraceCheckUtils]: 76: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p11~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:05,560 INFO L280 TraceCheckUtils]: 77: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p1~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:05,560 INFO L280 TraceCheckUtils]: 78: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p2~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:05,560 INFO L280 TraceCheckUtils]: 79: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p3~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:05,561 INFO L280 TraceCheckUtils]: 80: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p4~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:05,561 INFO L280 TraceCheckUtils]: 81: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p5~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:05,562 INFO L280 TraceCheckUtils]: 82: Hoare triple {92040#(= 1 main_~lk6~0)} assume 0 != ~p6~0; {92040#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:05,562 INFO L280 TraceCheckUtils]: 83: Hoare triple {92040#(= 1 main_~lk6~0)} assume 1 != ~lk6~0; {92037#false} is VALID [2020-07-18 05:08:05,563 INFO L280 TraceCheckUtils]: 84: Hoare triple {92037#false} assume !false; {92037#false} is VALID [2020-07-18 05:08:05,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:08:05,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1732250366] [2020-07-18 05:08:05,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:08:05,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:08:05,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974333301] [2020-07-18 05:08:05,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-07-18 05:08:05,568 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:08:05,568 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:08:05,633 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:08:05,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:08:05,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:08:05,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:08:05,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:08:05,634 INFO L87 Difference]: Start difference. First operand 4019 states and 5394 transitions. Second operand 3 states. [2020-07-18 05:08:18,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:08:18,962 INFO L93 Difference]: Finished difference Result 4855 states and 6548 transitions. [2020-07-18 05:08:18,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:08:18,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-07-18 05:08:18,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:08:18,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:08:18,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2020-07-18 05:08:18,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:08:18,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2020-07-18 05:08:18,965 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 223 transitions. [2020-07-18 05:08:19,166 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 223 edges. 223 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:08:20,011 INFO L225 Difference]: With dead ends: 4855 [2020-07-18 05:08:20,012 INFO L226 Difference]: Without dead ends: 4853 [2020-07-18 05:08:20,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:08:20,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4853 states. [2020-07-18 05:08:30,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4853 to 4019. [2020-07-18 05:08:30,301 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:08:30,301 INFO L82 GeneralOperation]: Start isEquivalent. First operand 4853 states. Second operand 4019 states. [2020-07-18 05:08:30,301 INFO L74 IsIncluded]: Start isIncluded. First operand 4853 states. Second operand 4019 states. [2020-07-18 05:08:30,301 INFO L87 Difference]: Start difference. First operand 4853 states. Second operand 4019 states. [2020-07-18 05:08:30,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:08:30,978 INFO L93 Difference]: Finished difference Result 4853 states and 6515 transitions. [2020-07-18 05:08:30,978 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 6515 transitions. [2020-07-18 05:08:30,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:08:30,983 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:08:30,983 INFO L74 IsIncluded]: Start isIncluded. First operand 4019 states. Second operand 4853 states. [2020-07-18 05:08:30,983 INFO L87 Difference]: Start difference. First operand 4019 states. Second operand 4853 states. [2020-07-18 05:08:31,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:08:31,672 INFO L93 Difference]: Finished difference Result 4853 states and 6515 transitions. [2020-07-18 05:08:31,673 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 6515 transitions. [2020-07-18 05:08:31,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:08:31,678 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:08:31,678 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:08:31,678 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:08:31,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4019 states. [2020-07-18 05:08:32,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 5362 transitions. [2020-07-18 05:08:32,190 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 5362 transitions. Word has length 85 [2020-07-18 05:08:32,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:08:32,190 INFO L479 AbstractCegarLoop]: Abstraction has 4019 states and 5362 transitions. [2020-07-18 05:08:32,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:08:32,190 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4019 states and 5362 transitions. [2020-07-18 05:08:39,217 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5362 edges. 5362 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:08:39,218 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 5362 transitions. [2020-07-18 05:08:39,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-18 05:08:39,220 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:08:39,221 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] [2020-07-18 05:08:39,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-18 05:08:39,221 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:08:39,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:08:39,221 INFO L82 PathProgramCache]: Analyzing trace with hash -930439220, now seen corresponding path program 1 times [2020-07-18 05:08:39,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:08:39,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577477195] [2020-07-18 05:08:39,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:08:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:08:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:08:39,255 INFO L280 TraceCheckUtils]: 0: Hoare triple {119497#true} assume true; {119497#true} is VALID [2020-07-18 05:08:39,255 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {119497#true} {119497#true} #295#return; {119497#true} is VALID [2020-07-18 05:08:39,256 INFO L263 TraceCheckUtils]: 0: Hoare triple {119497#true} call ULTIMATE.init(); {119497#true} is VALID [2020-07-18 05:08:39,256 INFO L280 TraceCheckUtils]: 1: Hoare triple {119497#true} assume true; {119497#true} is VALID [2020-07-18 05:08:39,256 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {119497#true} {119497#true} #295#return; {119497#true} is VALID [2020-07-18 05:08:39,256 INFO L263 TraceCheckUtils]: 3: Hoare triple {119497#true} call #t~ret12 := main(); {119497#true} is VALID [2020-07-18 05:08:39,256 INFO L280 TraceCheckUtils]: 4: Hoare triple {119497#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {119497#true} is VALID [2020-07-18 05:08:39,257 INFO L280 TraceCheckUtils]: 5: Hoare triple {119497#true} ~p1~0 := #t~nondet0; {119497#true} is VALID [2020-07-18 05:08:39,257 INFO L280 TraceCheckUtils]: 6: Hoare triple {119497#true} havoc #t~nondet0; {119497#true} is VALID [2020-07-18 05:08:39,257 INFO L280 TraceCheckUtils]: 7: Hoare triple {119497#true} havoc ~lk1~0; {119497#true} is VALID [2020-07-18 05:08:39,257 INFO L280 TraceCheckUtils]: 8: Hoare triple {119497#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {119497#true} is VALID [2020-07-18 05:08:39,257 INFO L280 TraceCheckUtils]: 9: Hoare triple {119497#true} ~p2~0 := #t~nondet1; {119497#true} is VALID [2020-07-18 05:08:39,257 INFO L280 TraceCheckUtils]: 10: Hoare triple {119497#true} havoc #t~nondet1; {119497#true} is VALID [2020-07-18 05:08:39,258 INFO L280 TraceCheckUtils]: 11: Hoare triple {119497#true} havoc ~lk2~0; {119497#true} is VALID [2020-07-18 05:08:39,258 INFO L280 TraceCheckUtils]: 12: Hoare triple {119497#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {119497#true} is VALID [2020-07-18 05:08:39,258 INFO L280 TraceCheckUtils]: 13: Hoare triple {119497#true} ~p3~0 := #t~nondet2; {119497#true} is VALID [2020-07-18 05:08:39,258 INFO L280 TraceCheckUtils]: 14: Hoare triple {119497#true} havoc #t~nondet2; {119497#true} is VALID [2020-07-18 05:08:39,258 INFO L280 TraceCheckUtils]: 15: Hoare triple {119497#true} havoc ~lk3~0; {119497#true} is VALID [2020-07-18 05:08:39,258 INFO L280 TraceCheckUtils]: 16: Hoare triple {119497#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {119497#true} is VALID [2020-07-18 05:08:39,259 INFO L280 TraceCheckUtils]: 17: Hoare triple {119497#true} ~p4~0 := #t~nondet3; {119497#true} is VALID [2020-07-18 05:08:39,259 INFO L280 TraceCheckUtils]: 18: Hoare triple {119497#true} havoc #t~nondet3; {119497#true} is VALID [2020-07-18 05:08:39,259 INFO L280 TraceCheckUtils]: 19: Hoare triple {119497#true} havoc ~lk4~0; {119497#true} is VALID [2020-07-18 05:08:39,259 INFO L280 TraceCheckUtils]: 20: Hoare triple {119497#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {119497#true} is VALID [2020-07-18 05:08:39,259 INFO L280 TraceCheckUtils]: 21: Hoare triple {119497#true} ~p5~0 := #t~nondet4; {119497#true} is VALID [2020-07-18 05:08:39,259 INFO L280 TraceCheckUtils]: 22: Hoare triple {119497#true} havoc #t~nondet4; {119497#true} is VALID [2020-07-18 05:08:39,260 INFO L280 TraceCheckUtils]: 23: Hoare triple {119497#true} havoc ~lk5~0; {119497#true} is VALID [2020-07-18 05:08:39,260 INFO L280 TraceCheckUtils]: 24: Hoare triple {119497#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {119497#true} is VALID [2020-07-18 05:08:39,260 INFO L280 TraceCheckUtils]: 25: Hoare triple {119497#true} ~p6~0 := #t~nondet5; {119497#true} is VALID [2020-07-18 05:08:39,260 INFO L280 TraceCheckUtils]: 26: Hoare triple {119497#true} havoc #t~nondet5; {119497#true} is VALID [2020-07-18 05:08:39,260 INFO L280 TraceCheckUtils]: 27: Hoare triple {119497#true} havoc ~lk6~0; {119497#true} is VALID [2020-07-18 05:08:39,260 INFO L280 TraceCheckUtils]: 28: Hoare triple {119497#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {119497#true} is VALID [2020-07-18 05:08:39,261 INFO L280 TraceCheckUtils]: 29: Hoare triple {119497#true} ~p7~0 := #t~nondet6; {119497#true} is VALID [2020-07-18 05:08:39,261 INFO L280 TraceCheckUtils]: 30: Hoare triple {119497#true} havoc #t~nondet6; {119497#true} is VALID [2020-07-18 05:08:39,261 INFO L280 TraceCheckUtils]: 31: Hoare triple {119497#true} havoc ~lk7~0; {119497#true} is VALID [2020-07-18 05:08:39,261 INFO L280 TraceCheckUtils]: 32: Hoare triple {119497#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {119497#true} is VALID [2020-07-18 05:08:39,261 INFO L280 TraceCheckUtils]: 33: Hoare triple {119497#true} ~p8~0 := #t~nondet7; {119497#true} is VALID [2020-07-18 05:08:39,261 INFO L280 TraceCheckUtils]: 34: Hoare triple {119497#true} havoc #t~nondet7; {119497#true} is VALID [2020-07-18 05:08:39,262 INFO L280 TraceCheckUtils]: 35: Hoare triple {119497#true} havoc ~lk8~0; {119497#true} is VALID [2020-07-18 05:08:39,262 INFO L280 TraceCheckUtils]: 36: Hoare triple {119497#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {119497#true} is VALID [2020-07-18 05:08:39,262 INFO L280 TraceCheckUtils]: 37: Hoare triple {119497#true} ~p9~0 := #t~nondet8; {119497#true} is VALID [2020-07-18 05:08:39,262 INFO L280 TraceCheckUtils]: 38: Hoare triple {119497#true} havoc #t~nondet8; {119497#true} is VALID [2020-07-18 05:08:39,262 INFO L280 TraceCheckUtils]: 39: Hoare triple {119497#true} havoc ~lk9~0; {119497#true} is VALID [2020-07-18 05:08:39,262 INFO L280 TraceCheckUtils]: 40: Hoare triple {119497#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {119497#true} is VALID [2020-07-18 05:08:39,263 INFO L280 TraceCheckUtils]: 41: Hoare triple {119497#true} ~p10~0 := #t~nondet9; {119497#true} is VALID [2020-07-18 05:08:39,263 INFO L280 TraceCheckUtils]: 42: Hoare triple {119497#true} havoc #t~nondet9; {119497#true} is VALID [2020-07-18 05:08:39,263 INFO L280 TraceCheckUtils]: 43: Hoare triple {119497#true} havoc ~lk10~0; {119497#true} is VALID [2020-07-18 05:08:39,263 INFO L280 TraceCheckUtils]: 44: Hoare triple {119497#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {119497#true} is VALID [2020-07-18 05:08:39,263 INFO L280 TraceCheckUtils]: 45: Hoare triple {119497#true} ~p11~0 := #t~nondet10; {119497#true} is VALID [2020-07-18 05:08:39,263 INFO L280 TraceCheckUtils]: 46: Hoare triple {119497#true} havoc #t~nondet10; {119497#true} is VALID [2020-07-18 05:08:39,264 INFO L280 TraceCheckUtils]: 47: Hoare triple {119497#true} havoc ~lk11~0; {119497#true} is VALID [2020-07-18 05:08:39,264 INFO L280 TraceCheckUtils]: 48: Hoare triple {119497#true} havoc ~cond~0; {119497#true} is VALID [2020-07-18 05:08:39,264 INFO L280 TraceCheckUtils]: 49: Hoare triple {119497#true} assume !false; {119497#true} is VALID [2020-07-18 05:08:39,264 INFO L280 TraceCheckUtils]: 50: Hoare triple {119497#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {119497#true} is VALID [2020-07-18 05:08:39,264 INFO L280 TraceCheckUtils]: 51: Hoare triple {119497#true} ~cond~0 := #t~nondet11; {119497#true} is VALID [2020-07-18 05:08:39,264 INFO L280 TraceCheckUtils]: 52: Hoare triple {119497#true} havoc #t~nondet11; {119497#true} is VALID [2020-07-18 05:08:39,265 INFO L280 TraceCheckUtils]: 53: Hoare triple {119497#true} assume !(0 == ~cond~0); {119497#true} is VALID [2020-07-18 05:08:39,265 INFO L280 TraceCheckUtils]: 54: Hoare triple {119497#true} ~lk1~0 := 0; {119497#true} is VALID [2020-07-18 05:08:39,265 INFO L280 TraceCheckUtils]: 55: Hoare triple {119497#true} ~lk2~0 := 0; {119497#true} is VALID [2020-07-18 05:08:39,265 INFO L280 TraceCheckUtils]: 56: Hoare triple {119497#true} ~lk3~0 := 0; {119497#true} is VALID [2020-07-18 05:08:39,266 INFO L280 TraceCheckUtils]: 57: Hoare triple {119497#true} ~lk4~0 := 0; {119497#true} is VALID [2020-07-18 05:08:39,266 INFO L280 TraceCheckUtils]: 58: Hoare triple {119497#true} ~lk5~0 := 0; {119497#true} is VALID [2020-07-18 05:08:39,266 INFO L280 TraceCheckUtils]: 59: Hoare triple {119497#true} ~lk6~0 := 0; {119497#true} is VALID [2020-07-18 05:08:39,266 INFO L280 TraceCheckUtils]: 60: Hoare triple {119497#true} ~lk7~0 := 0; {119497#true} is VALID [2020-07-18 05:08:39,267 INFO L280 TraceCheckUtils]: 61: Hoare triple {119497#true} ~lk8~0 := 0; {119497#true} is VALID [2020-07-18 05:08:39,267 INFO L280 TraceCheckUtils]: 62: Hoare triple {119497#true} ~lk9~0 := 0; {119497#true} is VALID [2020-07-18 05:08:39,267 INFO L280 TraceCheckUtils]: 63: Hoare triple {119497#true} ~lk10~0 := 0; {119497#true} is VALID [2020-07-18 05:08:39,267 INFO L280 TraceCheckUtils]: 64: Hoare triple {119497#true} ~lk11~0 := 0; {119497#true} is VALID [2020-07-18 05:08:39,267 INFO L280 TraceCheckUtils]: 65: Hoare triple {119497#true} assume !(0 != ~p1~0); {119497#true} is VALID [2020-07-18 05:08:39,267 INFO L280 TraceCheckUtils]: 66: Hoare triple {119497#true} assume !(0 != ~p2~0); {119497#true} is VALID [2020-07-18 05:08:39,268 INFO L280 TraceCheckUtils]: 67: Hoare triple {119497#true} assume !(0 != ~p3~0); {119497#true} is VALID [2020-07-18 05:08:39,268 INFO L280 TraceCheckUtils]: 68: Hoare triple {119497#true} assume !(0 != ~p4~0); {119497#true} is VALID [2020-07-18 05:08:39,268 INFO L280 TraceCheckUtils]: 69: Hoare triple {119497#true} assume !(0 != ~p5~0); {119497#true} is VALID [2020-07-18 05:08:39,268 INFO L280 TraceCheckUtils]: 70: Hoare triple {119497#true} assume !(0 != ~p6~0); {119497#true} is VALID [2020-07-18 05:08:39,269 INFO L280 TraceCheckUtils]: 71: Hoare triple {119497#true} assume !(0 != ~p7~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-18 05:08:39,269 INFO L280 TraceCheckUtils]: 72: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p8~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-18 05:08:39,270 INFO L280 TraceCheckUtils]: 73: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p9~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-18 05:08:39,270 INFO L280 TraceCheckUtils]: 74: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p10~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-18 05:08:39,271 INFO L280 TraceCheckUtils]: 75: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p11~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-18 05:08:39,271 INFO L280 TraceCheckUtils]: 76: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p1~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-18 05:08:39,272 INFO L280 TraceCheckUtils]: 77: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p2~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-18 05:08:39,273 INFO L280 TraceCheckUtils]: 78: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p3~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-18 05:08:39,273 INFO L280 TraceCheckUtils]: 79: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p4~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-18 05:08:39,274 INFO L280 TraceCheckUtils]: 80: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p5~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-18 05:08:39,274 INFO L280 TraceCheckUtils]: 81: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p6~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-18 05:08:39,275 INFO L280 TraceCheckUtils]: 82: Hoare triple {119501#(= 0 main_~p7~0)} assume 0 != ~p7~0; {119498#false} is VALID [2020-07-18 05:08:39,275 INFO L280 TraceCheckUtils]: 83: Hoare triple {119498#false} assume 1 != ~lk7~0; {119498#false} is VALID [2020-07-18 05:08:39,275 INFO L280 TraceCheckUtils]: 84: Hoare triple {119498#false} assume !false; {119498#false} is VALID [2020-07-18 05:08:39,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:08:39,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577477195] [2020-07-18 05:08:39,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:08:39,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:08:39,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863879202] [2020-07-18 05:08:39,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-07-18 05:08:39,281 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:08:39,281 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:08:39,368 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:08:39,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:08:39,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:08:39,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:08:39,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:08:39,369 INFO L87 Difference]: Start difference. First operand 4019 states and 5362 transitions. Second operand 3 states. [2020-07-18 05:09:06,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:09:06,645 INFO L93 Difference]: Finished difference Result 11767 states and 15732 transitions. [2020-07-18 05:09:06,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:09:06,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-07-18 05:09:06,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:09:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:09:06,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 342 transitions. [2020-07-18 05:09:06,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:09:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 342 transitions. [2020-07-18 05:09:06,649 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 342 transitions. [2020-07-18 05:09:06,953 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 342 edges. 342 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:09:09,122 INFO L225 Difference]: With dead ends: 11767 [2020-07-18 05:09:09,123 INFO L226 Difference]: Without dead ends: 7797 [2020-07-18 05:09:09,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:09:09,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7797 states. [2020-07-18 05:09:31,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7797 to 7795. [2020-07-18 05:09:31,164 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:09:31,165 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7797 states. Second operand 7795 states. [2020-07-18 05:09:31,165 INFO L74 IsIncluded]: Start isIncluded. First operand 7797 states. Second operand 7795 states. [2020-07-18 05:09:31,165 INFO L87 Difference]: Start difference. First operand 7797 states. Second operand 7795 states. [2020-07-18 05:09:32,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:09:32,952 INFO L93 Difference]: Finished difference Result 7797 states and 10291 transitions. [2020-07-18 05:09:32,952 INFO L276 IsEmpty]: Start isEmpty. Operand 7797 states and 10291 transitions. [2020-07-18 05:09:32,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:09:32,960 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:09:32,960 INFO L74 IsIncluded]: Start isIncluded. First operand 7795 states. Second operand 7797 states. [2020-07-18 05:09:32,960 INFO L87 Difference]: Start difference. First operand 7795 states. Second operand 7797 states. [2020-07-18 05:09:34,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:09:34,811 INFO L93 Difference]: Finished difference Result 7797 states and 10291 transitions. [2020-07-18 05:09:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand 7797 states and 10291 transitions. [2020-07-18 05:09:34,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:09:34,819 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:09:34,819 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:09:34,819 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:09:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7795 states. [2020-07-18 05:09:36,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7795 states to 7795 states and 10290 transitions. [2020-07-18 05:09:36,679 INFO L78 Accepts]: Start accepts. Automaton has 7795 states and 10290 transitions. Word has length 85 [2020-07-18 05:09:36,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:09:36,680 INFO L479 AbstractCegarLoop]: Abstraction has 7795 states and 10290 transitions. [2020-07-18 05:09:36,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:09:36,680 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7795 states and 10290 transitions. [2020-07-18 05:09:50,263 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10290 edges. 10290 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:09:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 7795 states and 10290 transitions. [2020-07-18 05:09:50,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-07-18 05:09:50,267 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:09:50,268 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] [2020-07-18 05:09:50,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-18 05:09:50,268 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:09:50,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:09:50,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1483413839, now seen corresponding path program 1 times [2020-07-18 05:09:50,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:09:50,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123425649] [2020-07-18 05:09:50,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:09:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:09:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:09:50,307 INFO L280 TraceCheckUtils]: 0: Hoare triple {174222#true} assume true; {174222#true} is VALID [2020-07-18 05:09:50,307 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {174222#true} {174222#true} #295#return; {174222#true} is VALID [2020-07-18 05:09:50,307 INFO L263 TraceCheckUtils]: 0: Hoare triple {174222#true} call ULTIMATE.init(); {174222#true} is VALID [2020-07-18 05:09:50,307 INFO L280 TraceCheckUtils]: 1: Hoare triple {174222#true} assume true; {174222#true} is VALID [2020-07-18 05:09:50,308 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {174222#true} {174222#true} #295#return; {174222#true} is VALID [2020-07-18 05:09:50,308 INFO L263 TraceCheckUtils]: 3: Hoare triple {174222#true} call #t~ret12 := main(); {174222#true} is VALID [2020-07-18 05:09:50,308 INFO L280 TraceCheckUtils]: 4: Hoare triple {174222#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {174222#true} is VALID [2020-07-18 05:09:50,308 INFO L280 TraceCheckUtils]: 5: Hoare triple {174222#true} ~p1~0 := #t~nondet0; {174222#true} is VALID [2020-07-18 05:09:50,308 INFO L280 TraceCheckUtils]: 6: Hoare triple {174222#true} havoc #t~nondet0; {174222#true} is VALID [2020-07-18 05:09:50,308 INFO L280 TraceCheckUtils]: 7: Hoare triple {174222#true} havoc ~lk1~0; {174222#true} is VALID [2020-07-18 05:09:50,309 INFO L280 TraceCheckUtils]: 8: Hoare triple {174222#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {174222#true} is VALID [2020-07-18 05:09:50,309 INFO L280 TraceCheckUtils]: 9: Hoare triple {174222#true} ~p2~0 := #t~nondet1; {174222#true} is VALID [2020-07-18 05:09:50,309 INFO L280 TraceCheckUtils]: 10: Hoare triple {174222#true} havoc #t~nondet1; {174222#true} is VALID [2020-07-18 05:09:50,309 INFO L280 TraceCheckUtils]: 11: Hoare triple {174222#true} havoc ~lk2~0; {174222#true} is VALID [2020-07-18 05:09:50,309 INFO L280 TraceCheckUtils]: 12: Hoare triple {174222#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {174222#true} is VALID [2020-07-18 05:09:50,309 INFO L280 TraceCheckUtils]: 13: Hoare triple {174222#true} ~p3~0 := #t~nondet2; {174222#true} is VALID [2020-07-18 05:09:50,309 INFO L280 TraceCheckUtils]: 14: Hoare triple {174222#true} havoc #t~nondet2; {174222#true} is VALID [2020-07-18 05:09:50,310 INFO L280 TraceCheckUtils]: 15: Hoare triple {174222#true} havoc ~lk3~0; {174222#true} is VALID [2020-07-18 05:09:50,310 INFO L280 TraceCheckUtils]: 16: Hoare triple {174222#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {174222#true} is VALID [2020-07-18 05:09:50,310 INFO L280 TraceCheckUtils]: 17: Hoare triple {174222#true} ~p4~0 := #t~nondet3; {174222#true} is VALID [2020-07-18 05:09:50,310 INFO L280 TraceCheckUtils]: 18: Hoare triple {174222#true} havoc #t~nondet3; {174222#true} is VALID [2020-07-18 05:09:50,310 INFO L280 TraceCheckUtils]: 19: Hoare triple {174222#true} havoc ~lk4~0; {174222#true} is VALID [2020-07-18 05:09:50,310 INFO L280 TraceCheckUtils]: 20: Hoare triple {174222#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {174222#true} is VALID [2020-07-18 05:09:50,310 INFO L280 TraceCheckUtils]: 21: Hoare triple {174222#true} ~p5~0 := #t~nondet4; {174222#true} is VALID [2020-07-18 05:09:50,311 INFO L280 TraceCheckUtils]: 22: Hoare triple {174222#true} havoc #t~nondet4; {174222#true} is VALID [2020-07-18 05:09:50,311 INFO L280 TraceCheckUtils]: 23: Hoare triple {174222#true} havoc ~lk5~0; {174222#true} is VALID [2020-07-18 05:09:50,311 INFO L280 TraceCheckUtils]: 24: Hoare triple {174222#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {174222#true} is VALID [2020-07-18 05:09:50,311 INFO L280 TraceCheckUtils]: 25: Hoare triple {174222#true} ~p6~0 := #t~nondet5; {174222#true} is VALID [2020-07-18 05:09:50,311 INFO L280 TraceCheckUtils]: 26: Hoare triple {174222#true} havoc #t~nondet5; {174222#true} is VALID [2020-07-18 05:09:50,311 INFO L280 TraceCheckUtils]: 27: Hoare triple {174222#true} havoc ~lk6~0; {174222#true} is VALID [2020-07-18 05:09:50,312 INFO L280 TraceCheckUtils]: 28: Hoare triple {174222#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {174222#true} is VALID [2020-07-18 05:09:50,312 INFO L280 TraceCheckUtils]: 29: Hoare triple {174222#true} ~p7~0 := #t~nondet6; {174222#true} is VALID [2020-07-18 05:09:50,312 INFO L280 TraceCheckUtils]: 30: Hoare triple {174222#true} havoc #t~nondet6; {174222#true} is VALID [2020-07-18 05:09:50,312 INFO L280 TraceCheckUtils]: 31: Hoare triple {174222#true} havoc ~lk7~0; {174222#true} is VALID [2020-07-18 05:09:50,312 INFO L280 TraceCheckUtils]: 32: Hoare triple {174222#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {174222#true} is VALID [2020-07-18 05:09:50,312 INFO L280 TraceCheckUtils]: 33: Hoare triple {174222#true} ~p8~0 := #t~nondet7; {174222#true} is VALID [2020-07-18 05:09:50,313 INFO L280 TraceCheckUtils]: 34: Hoare triple {174222#true} havoc #t~nondet7; {174222#true} is VALID [2020-07-18 05:09:50,313 INFO L280 TraceCheckUtils]: 35: Hoare triple {174222#true} havoc ~lk8~0; {174222#true} is VALID [2020-07-18 05:09:50,313 INFO L280 TraceCheckUtils]: 36: Hoare triple {174222#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {174222#true} is VALID [2020-07-18 05:09:50,336 INFO L280 TraceCheckUtils]: 37: Hoare triple {174222#true} ~p9~0 := #t~nondet8; {174222#true} is VALID [2020-07-18 05:09:50,336 INFO L280 TraceCheckUtils]: 38: Hoare triple {174222#true} havoc #t~nondet8; {174222#true} is VALID [2020-07-18 05:09:50,336 INFO L280 TraceCheckUtils]: 39: Hoare triple {174222#true} havoc ~lk9~0; {174222#true} is VALID [2020-07-18 05:09:50,337 INFO L280 TraceCheckUtils]: 40: Hoare triple {174222#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {174222#true} is VALID [2020-07-18 05:09:50,337 INFO L280 TraceCheckUtils]: 41: Hoare triple {174222#true} ~p10~0 := #t~nondet9; {174222#true} is VALID [2020-07-18 05:09:50,337 INFO L280 TraceCheckUtils]: 42: Hoare triple {174222#true} havoc #t~nondet9; {174222#true} is VALID [2020-07-18 05:09:50,337 INFO L280 TraceCheckUtils]: 43: Hoare triple {174222#true} havoc ~lk10~0; {174222#true} is VALID [2020-07-18 05:09:50,337 INFO L280 TraceCheckUtils]: 44: Hoare triple {174222#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {174222#true} is VALID [2020-07-18 05:09:50,337 INFO L280 TraceCheckUtils]: 45: Hoare triple {174222#true} ~p11~0 := #t~nondet10; {174222#true} is VALID [2020-07-18 05:09:50,338 INFO L280 TraceCheckUtils]: 46: Hoare triple {174222#true} havoc #t~nondet10; {174222#true} is VALID [2020-07-18 05:09:50,338 INFO L280 TraceCheckUtils]: 47: Hoare triple {174222#true} havoc ~lk11~0; {174222#true} is VALID [2020-07-18 05:09:50,338 INFO L280 TraceCheckUtils]: 48: Hoare triple {174222#true} havoc ~cond~0; {174222#true} is VALID [2020-07-18 05:09:50,338 INFO L280 TraceCheckUtils]: 49: Hoare triple {174222#true} assume !false; {174222#true} is VALID [2020-07-18 05:09:50,338 INFO L280 TraceCheckUtils]: 50: Hoare triple {174222#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {174222#true} is VALID [2020-07-18 05:09:50,338 INFO L280 TraceCheckUtils]: 51: Hoare triple {174222#true} ~cond~0 := #t~nondet11; {174222#true} is VALID [2020-07-18 05:09:50,338 INFO L280 TraceCheckUtils]: 52: Hoare triple {174222#true} havoc #t~nondet11; {174222#true} is VALID [2020-07-18 05:09:50,338 INFO L280 TraceCheckUtils]: 53: Hoare triple {174222#true} assume !(0 == ~cond~0); {174222#true} is VALID [2020-07-18 05:09:50,338 INFO L280 TraceCheckUtils]: 54: Hoare triple {174222#true} ~lk1~0 := 0; {174222#true} is VALID [2020-07-18 05:09:50,339 INFO L280 TraceCheckUtils]: 55: Hoare triple {174222#true} ~lk2~0 := 0; {174222#true} is VALID [2020-07-18 05:09:50,339 INFO L280 TraceCheckUtils]: 56: Hoare triple {174222#true} ~lk3~0 := 0; {174222#true} is VALID [2020-07-18 05:09:50,339 INFO L280 TraceCheckUtils]: 57: Hoare triple {174222#true} ~lk4~0 := 0; {174222#true} is VALID [2020-07-18 05:09:50,339 INFO L280 TraceCheckUtils]: 58: Hoare triple {174222#true} ~lk5~0 := 0; {174222#true} is VALID [2020-07-18 05:09:50,339 INFO L280 TraceCheckUtils]: 59: Hoare triple {174222#true} ~lk6~0 := 0; {174222#true} is VALID [2020-07-18 05:09:50,339 INFO L280 TraceCheckUtils]: 60: Hoare triple {174222#true} ~lk7~0 := 0; {174222#true} is VALID [2020-07-18 05:09:50,339 INFO L280 TraceCheckUtils]: 61: Hoare triple {174222#true} ~lk8~0 := 0; {174222#true} is VALID [2020-07-18 05:09:50,339 INFO L280 TraceCheckUtils]: 62: Hoare triple {174222#true} ~lk9~0 := 0; {174222#true} is VALID [2020-07-18 05:09:50,339 INFO L280 TraceCheckUtils]: 63: Hoare triple {174222#true} ~lk10~0 := 0; {174222#true} is VALID [2020-07-18 05:09:50,340 INFO L280 TraceCheckUtils]: 64: Hoare triple {174222#true} ~lk11~0 := 0; {174222#true} is VALID [2020-07-18 05:09:50,340 INFO L280 TraceCheckUtils]: 65: Hoare triple {174222#true} assume !(0 != ~p1~0); {174222#true} is VALID [2020-07-18 05:09:50,340 INFO L280 TraceCheckUtils]: 66: Hoare triple {174222#true} assume !(0 != ~p2~0); {174222#true} is VALID [2020-07-18 05:09:50,340 INFO L280 TraceCheckUtils]: 67: Hoare triple {174222#true} assume !(0 != ~p3~0); {174222#true} is VALID [2020-07-18 05:09:50,340 INFO L280 TraceCheckUtils]: 68: Hoare triple {174222#true} assume !(0 != ~p4~0); {174222#true} is VALID [2020-07-18 05:09:50,340 INFO L280 TraceCheckUtils]: 69: Hoare triple {174222#true} assume !(0 != ~p5~0); {174222#true} is VALID [2020-07-18 05:09:50,340 INFO L280 TraceCheckUtils]: 70: Hoare triple {174222#true} assume !(0 != ~p6~0); {174222#true} is VALID [2020-07-18 05:09:50,340 INFO L280 TraceCheckUtils]: 71: Hoare triple {174222#true} assume 0 != ~p7~0; {174222#true} is VALID [2020-07-18 05:09:50,341 INFO L280 TraceCheckUtils]: 72: Hoare triple {174222#true} ~lk7~0 := 1; {174226#(= main_~lk7~0 1)} is VALID [2020-07-18 05:09:50,341 INFO L280 TraceCheckUtils]: 73: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p8~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-18 05:09:50,342 INFO L280 TraceCheckUtils]: 74: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p9~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-18 05:09:50,342 INFO L280 TraceCheckUtils]: 75: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p10~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-18 05:09:50,342 INFO L280 TraceCheckUtils]: 76: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p11~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-18 05:09:50,343 INFO L280 TraceCheckUtils]: 77: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p1~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-18 05:09:50,343 INFO L280 TraceCheckUtils]: 78: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p2~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-18 05:09:50,343 INFO L280 TraceCheckUtils]: 79: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p3~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-18 05:09:50,344 INFO L280 TraceCheckUtils]: 80: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p4~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-18 05:09:50,344 INFO L280 TraceCheckUtils]: 81: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p5~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-18 05:09:50,344 INFO L280 TraceCheckUtils]: 82: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p6~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-18 05:09:50,345 INFO L280 TraceCheckUtils]: 83: Hoare triple {174226#(= main_~lk7~0 1)} assume 0 != ~p7~0; {174226#(= main_~lk7~0 1)} is VALID [2020-07-18 05:09:50,345 INFO L280 TraceCheckUtils]: 84: Hoare triple {174226#(= main_~lk7~0 1)} assume 1 != ~lk7~0; {174223#false} is VALID [2020-07-18 05:09:50,345 INFO L280 TraceCheckUtils]: 85: Hoare triple {174223#false} assume !false; {174223#false} is VALID [2020-07-18 05:09:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:09:50,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123425649] [2020-07-18 05:09:50,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:09:50,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:09:50,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899996245] [2020-07-18 05:09:50,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-07-18 05:09:50,350 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:09:50,351 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:09:50,425 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:09:50,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:09:50,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:09:50,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:09:50,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:09:50,426 INFO L87 Difference]: Start difference. First operand 7795 states and 10290 transitions. Second operand 3 states. [2020-07-18 05:10:21,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:10:21,700 INFO L93 Difference]: Finished difference Result 9335 states and 12340 transitions. [2020-07-18 05:10:21,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:10:21,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-07-18 05:10:21,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:10:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:10:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2020-07-18 05:10:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:10:21,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2020-07-18 05:10:21,703 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 219 transitions. [2020-07-18 05:10:21,941 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 219 edges. 219 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:10:24,795 INFO L225 Difference]: With dead ends: 9335 [2020-07-18 05:10:24,795 INFO L226 Difference]: Without dead ends: 9333 [2020-07-18 05:10:24,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:10:24,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9333 states. [2020-07-18 05:10:49,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9333 to 7795. [2020-07-18 05:10:49,585 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:10:49,585 INFO L82 GeneralOperation]: Start isEquivalent. First operand 9333 states. Second operand 7795 states. [2020-07-18 05:10:49,585 INFO L74 IsIncluded]: Start isIncluded. First operand 9333 states. Second operand 7795 states. [2020-07-18 05:10:49,585 INFO L87 Difference]: Start difference. First operand 9333 states. Second operand 7795 states. [2020-07-18 05:10:52,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:10:52,123 INFO L93 Difference]: Finished difference Result 9333 states and 12275 transitions. [2020-07-18 05:10:52,123 INFO L276 IsEmpty]: Start isEmpty. Operand 9333 states and 12275 transitions. [2020-07-18 05:10:52,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:10:52,130 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:10:52,130 INFO L74 IsIncluded]: Start isIncluded. First operand 7795 states. Second operand 9333 states. [2020-07-18 05:10:52,130 INFO L87 Difference]: Start difference. First operand 7795 states. Second operand 9333 states. [2020-07-18 05:10:54,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:10:54,672 INFO L93 Difference]: Finished difference Result 9333 states and 12275 transitions. [2020-07-18 05:10:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 9333 states and 12275 transitions. [2020-07-18 05:10:54,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:10:54,678 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:10:54,678 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:10:54,678 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:10:54,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7795 states. [2020-07-18 05:10:56,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7795 states to 7795 states and 10226 transitions. [2020-07-18 05:10:56,567 INFO L78 Accepts]: Start accepts. Automaton has 7795 states and 10226 transitions. Word has length 86 [2020-07-18 05:10:56,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:10:56,567 INFO L479 AbstractCegarLoop]: Abstraction has 7795 states and 10226 transitions. [2020-07-18 05:10:56,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:10:56,568 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7795 states and 10226 transitions. [2020-07-18 05:11:10,513 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10226 edges. 10226 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:10,514 INFO L276 IsEmpty]: Start isEmpty. Operand 7795 states and 10226 transitions. [2020-07-18 05:11:10,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-07-18 05:11:10,517 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:11:10,517 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] [2020-07-18 05:11:10,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-18 05:11:10,517 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:11:10,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:11:10,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1221401062, now seen corresponding path program 1 times [2020-07-18 05:11:10,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:11:10,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025661987] [2020-07-18 05:11:10,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:11:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:10,561 INFO L280 TraceCheckUtils]: 0: Hoare triple {227155#true} assume true; {227155#true} is VALID [2020-07-18 05:11:10,561 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {227155#true} {227155#true} #295#return; {227155#true} is VALID [2020-07-18 05:11:10,562 INFO L263 TraceCheckUtils]: 0: Hoare triple {227155#true} call ULTIMATE.init(); {227155#true} is VALID [2020-07-18 05:11:10,562 INFO L280 TraceCheckUtils]: 1: Hoare triple {227155#true} assume true; {227155#true} is VALID [2020-07-18 05:11:10,562 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {227155#true} {227155#true} #295#return; {227155#true} is VALID [2020-07-18 05:11:10,562 INFO L263 TraceCheckUtils]: 3: Hoare triple {227155#true} call #t~ret12 := main(); {227155#true} is VALID [2020-07-18 05:11:10,562 INFO L280 TraceCheckUtils]: 4: Hoare triple {227155#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {227155#true} is VALID [2020-07-18 05:11:10,563 INFO L280 TraceCheckUtils]: 5: Hoare triple {227155#true} ~p1~0 := #t~nondet0; {227155#true} is VALID [2020-07-18 05:11:10,563 INFO L280 TraceCheckUtils]: 6: Hoare triple {227155#true} havoc #t~nondet0; {227155#true} is VALID [2020-07-18 05:11:10,563 INFO L280 TraceCheckUtils]: 7: Hoare triple {227155#true} havoc ~lk1~0; {227155#true} is VALID [2020-07-18 05:11:10,563 INFO L280 TraceCheckUtils]: 8: Hoare triple {227155#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {227155#true} is VALID [2020-07-18 05:11:10,563 INFO L280 TraceCheckUtils]: 9: Hoare triple {227155#true} ~p2~0 := #t~nondet1; {227155#true} is VALID [2020-07-18 05:11:10,564 INFO L280 TraceCheckUtils]: 10: Hoare triple {227155#true} havoc #t~nondet1; {227155#true} is VALID [2020-07-18 05:11:10,564 INFO L280 TraceCheckUtils]: 11: Hoare triple {227155#true} havoc ~lk2~0; {227155#true} is VALID [2020-07-18 05:11:10,564 INFO L280 TraceCheckUtils]: 12: Hoare triple {227155#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {227155#true} is VALID [2020-07-18 05:11:10,564 INFO L280 TraceCheckUtils]: 13: Hoare triple {227155#true} ~p3~0 := #t~nondet2; {227155#true} is VALID [2020-07-18 05:11:10,564 INFO L280 TraceCheckUtils]: 14: Hoare triple {227155#true} havoc #t~nondet2; {227155#true} is VALID [2020-07-18 05:11:10,564 INFO L280 TraceCheckUtils]: 15: Hoare triple {227155#true} havoc ~lk3~0; {227155#true} is VALID [2020-07-18 05:11:10,565 INFO L280 TraceCheckUtils]: 16: Hoare triple {227155#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {227155#true} is VALID [2020-07-18 05:11:10,565 INFO L280 TraceCheckUtils]: 17: Hoare triple {227155#true} ~p4~0 := #t~nondet3; {227155#true} is VALID [2020-07-18 05:11:10,565 INFO L280 TraceCheckUtils]: 18: Hoare triple {227155#true} havoc #t~nondet3; {227155#true} is VALID [2020-07-18 05:11:10,568 INFO L280 TraceCheckUtils]: 19: Hoare triple {227155#true} havoc ~lk4~0; {227155#true} is VALID [2020-07-18 05:11:10,568 INFO L280 TraceCheckUtils]: 20: Hoare triple {227155#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {227155#true} is VALID [2020-07-18 05:11:10,568 INFO L280 TraceCheckUtils]: 21: Hoare triple {227155#true} ~p5~0 := #t~nondet4; {227155#true} is VALID [2020-07-18 05:11:10,568 INFO L280 TraceCheckUtils]: 22: Hoare triple {227155#true} havoc #t~nondet4; {227155#true} is VALID [2020-07-18 05:11:10,568 INFO L280 TraceCheckUtils]: 23: Hoare triple {227155#true} havoc ~lk5~0; {227155#true} is VALID [2020-07-18 05:11:10,568 INFO L280 TraceCheckUtils]: 24: Hoare triple {227155#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {227155#true} is VALID [2020-07-18 05:11:10,569 INFO L280 TraceCheckUtils]: 25: Hoare triple {227155#true} ~p6~0 := #t~nondet5; {227155#true} is VALID [2020-07-18 05:11:10,569 INFO L280 TraceCheckUtils]: 26: Hoare triple {227155#true} havoc #t~nondet5; {227155#true} is VALID [2020-07-18 05:11:10,569 INFO L280 TraceCheckUtils]: 27: Hoare triple {227155#true} havoc ~lk6~0; {227155#true} is VALID [2020-07-18 05:11:10,569 INFO L280 TraceCheckUtils]: 28: Hoare triple {227155#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {227155#true} is VALID [2020-07-18 05:11:10,569 INFO L280 TraceCheckUtils]: 29: Hoare triple {227155#true} ~p7~0 := #t~nondet6; {227155#true} is VALID [2020-07-18 05:11:10,569 INFO L280 TraceCheckUtils]: 30: Hoare triple {227155#true} havoc #t~nondet6; {227155#true} is VALID [2020-07-18 05:11:10,570 INFO L280 TraceCheckUtils]: 31: Hoare triple {227155#true} havoc ~lk7~0; {227155#true} is VALID [2020-07-18 05:11:10,570 INFO L280 TraceCheckUtils]: 32: Hoare triple {227155#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {227155#true} is VALID [2020-07-18 05:11:10,570 INFO L280 TraceCheckUtils]: 33: Hoare triple {227155#true} ~p8~0 := #t~nondet7; {227155#true} is VALID [2020-07-18 05:11:10,570 INFO L280 TraceCheckUtils]: 34: Hoare triple {227155#true} havoc #t~nondet7; {227155#true} is VALID [2020-07-18 05:11:10,570 INFO L280 TraceCheckUtils]: 35: Hoare triple {227155#true} havoc ~lk8~0; {227155#true} is VALID [2020-07-18 05:11:10,571 INFO L280 TraceCheckUtils]: 36: Hoare triple {227155#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {227155#true} is VALID [2020-07-18 05:11:10,571 INFO L280 TraceCheckUtils]: 37: Hoare triple {227155#true} ~p9~0 := #t~nondet8; {227155#true} is VALID [2020-07-18 05:11:10,571 INFO L280 TraceCheckUtils]: 38: Hoare triple {227155#true} havoc #t~nondet8; {227155#true} is VALID [2020-07-18 05:11:10,571 INFO L280 TraceCheckUtils]: 39: Hoare triple {227155#true} havoc ~lk9~0; {227155#true} is VALID [2020-07-18 05:11:10,571 INFO L280 TraceCheckUtils]: 40: Hoare triple {227155#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {227155#true} is VALID [2020-07-18 05:11:10,571 INFO L280 TraceCheckUtils]: 41: Hoare triple {227155#true} ~p10~0 := #t~nondet9; {227155#true} is VALID [2020-07-18 05:11:10,572 INFO L280 TraceCheckUtils]: 42: Hoare triple {227155#true} havoc #t~nondet9; {227155#true} is VALID [2020-07-18 05:11:10,572 INFO L280 TraceCheckUtils]: 43: Hoare triple {227155#true} havoc ~lk10~0; {227155#true} is VALID [2020-07-18 05:11:10,572 INFO L280 TraceCheckUtils]: 44: Hoare triple {227155#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {227155#true} is VALID [2020-07-18 05:11:10,572 INFO L280 TraceCheckUtils]: 45: Hoare triple {227155#true} ~p11~0 := #t~nondet10; {227155#true} is VALID [2020-07-18 05:11:10,572 INFO L280 TraceCheckUtils]: 46: Hoare triple {227155#true} havoc #t~nondet10; {227155#true} is VALID [2020-07-18 05:11:10,572 INFO L280 TraceCheckUtils]: 47: Hoare triple {227155#true} havoc ~lk11~0; {227155#true} is VALID [2020-07-18 05:11:10,573 INFO L280 TraceCheckUtils]: 48: Hoare triple {227155#true} havoc ~cond~0; {227155#true} is VALID [2020-07-18 05:11:10,573 INFO L280 TraceCheckUtils]: 49: Hoare triple {227155#true} assume !false; {227155#true} is VALID [2020-07-18 05:11:10,573 INFO L280 TraceCheckUtils]: 50: Hoare triple {227155#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {227155#true} is VALID [2020-07-18 05:11:10,573 INFO L280 TraceCheckUtils]: 51: Hoare triple {227155#true} ~cond~0 := #t~nondet11; {227155#true} is VALID [2020-07-18 05:11:10,573 INFO L280 TraceCheckUtils]: 52: Hoare triple {227155#true} havoc #t~nondet11; {227155#true} is VALID [2020-07-18 05:11:10,573 INFO L280 TraceCheckUtils]: 53: Hoare triple {227155#true} assume !(0 == ~cond~0); {227155#true} is VALID [2020-07-18 05:11:10,574 INFO L280 TraceCheckUtils]: 54: Hoare triple {227155#true} ~lk1~0 := 0; {227155#true} is VALID [2020-07-18 05:11:10,574 INFO L280 TraceCheckUtils]: 55: Hoare triple {227155#true} ~lk2~0 := 0; {227155#true} is VALID [2020-07-18 05:11:10,574 INFO L280 TraceCheckUtils]: 56: Hoare triple {227155#true} ~lk3~0 := 0; {227155#true} is VALID [2020-07-18 05:11:10,574 INFO L280 TraceCheckUtils]: 57: Hoare triple {227155#true} ~lk4~0 := 0; {227155#true} is VALID [2020-07-18 05:11:10,574 INFO L280 TraceCheckUtils]: 58: Hoare triple {227155#true} ~lk5~0 := 0; {227155#true} is VALID [2020-07-18 05:11:10,574 INFO L280 TraceCheckUtils]: 59: Hoare triple {227155#true} ~lk6~0 := 0; {227155#true} is VALID [2020-07-18 05:11:10,575 INFO L280 TraceCheckUtils]: 60: Hoare triple {227155#true} ~lk7~0 := 0; {227155#true} is VALID [2020-07-18 05:11:10,575 INFO L280 TraceCheckUtils]: 61: Hoare triple {227155#true} ~lk8~0 := 0; {227155#true} is VALID [2020-07-18 05:11:10,575 INFO L280 TraceCheckUtils]: 62: Hoare triple {227155#true} ~lk9~0 := 0; {227155#true} is VALID [2020-07-18 05:11:10,575 INFO L280 TraceCheckUtils]: 63: Hoare triple {227155#true} ~lk10~0 := 0; {227155#true} is VALID [2020-07-18 05:11:10,575 INFO L280 TraceCheckUtils]: 64: Hoare triple {227155#true} ~lk11~0 := 0; {227155#true} is VALID [2020-07-18 05:11:10,575 INFO L280 TraceCheckUtils]: 65: Hoare triple {227155#true} assume !(0 != ~p1~0); {227155#true} is VALID [2020-07-18 05:11:10,576 INFO L280 TraceCheckUtils]: 66: Hoare triple {227155#true} assume !(0 != ~p2~0); {227155#true} is VALID [2020-07-18 05:11:10,576 INFO L280 TraceCheckUtils]: 67: Hoare triple {227155#true} assume !(0 != ~p3~0); {227155#true} is VALID [2020-07-18 05:11:10,576 INFO L280 TraceCheckUtils]: 68: Hoare triple {227155#true} assume !(0 != ~p4~0); {227155#true} is VALID [2020-07-18 05:11:10,576 INFO L280 TraceCheckUtils]: 69: Hoare triple {227155#true} assume !(0 != ~p5~0); {227155#true} is VALID [2020-07-18 05:11:10,576 INFO L280 TraceCheckUtils]: 70: Hoare triple {227155#true} assume !(0 != ~p6~0); {227155#true} is VALID [2020-07-18 05:11:10,576 INFO L280 TraceCheckUtils]: 71: Hoare triple {227155#true} assume !(0 != ~p7~0); {227155#true} is VALID [2020-07-18 05:11:10,577 INFO L280 TraceCheckUtils]: 72: Hoare triple {227155#true} assume !(0 != ~p8~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:10,577 INFO L280 TraceCheckUtils]: 73: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p9~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:10,578 INFO L280 TraceCheckUtils]: 74: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p10~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:10,578 INFO L280 TraceCheckUtils]: 75: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p11~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:10,579 INFO L280 TraceCheckUtils]: 76: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p1~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:10,579 INFO L280 TraceCheckUtils]: 77: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p2~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:10,580 INFO L280 TraceCheckUtils]: 78: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p3~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:10,580 INFO L280 TraceCheckUtils]: 79: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p4~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:10,580 INFO L280 TraceCheckUtils]: 80: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p5~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:10,581 INFO L280 TraceCheckUtils]: 81: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p6~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:10,581 INFO L280 TraceCheckUtils]: 82: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p7~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:10,590 INFO L280 TraceCheckUtils]: 83: Hoare triple {227159#(= 0 main_~p8~0)} assume 0 != ~p8~0; {227156#false} is VALID [2020-07-18 05:11:10,590 INFO L280 TraceCheckUtils]: 84: Hoare triple {227156#false} assume 1 != ~lk8~0; {227156#false} is VALID [2020-07-18 05:11:10,591 INFO L280 TraceCheckUtils]: 85: Hoare triple {227156#false} assume !false; {227156#false} is VALID [2020-07-18 05:11:10,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:11:10,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025661987] [2020-07-18 05:11:10,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:11:10,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:11:10,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006702102] [2020-07-18 05:11:10,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-07-18 05:11:10,596 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:11:10,596 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:11:10,671 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:10,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:11:10,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:11:10,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:11:10,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:11:10,672 INFO L87 Difference]: Start difference. First operand 7795 states and 10226 transitions. Second operand 3 states. [2020-07-18 05:12:43,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:12:43,600 INFO L93 Difference]: Finished difference Result 22903 states and 30068 transitions. [2020-07-18 05:12:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:12:43,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-07-18 05:12:43,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:12:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:12:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2020-07-18 05:12:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:12:43,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2020-07-18 05:12:43,604 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 339 transitions. [2020-07-18 05:12:43,913 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 339 edges. 339 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:12:53,722 INFO L225 Difference]: With dead ends: 22903 [2020-07-18 05:12:53,722 INFO L226 Difference]: Without dead ends: 15157 [2020-07-18 05:12:53,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:12:53,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15157 states. [2020-07-18 05:13:44,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15157 to 15155. [2020-07-18 05:13:44,438 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:13:44,438 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15157 states. Second operand 15155 states. [2020-07-18 05:13:44,438 INFO L74 IsIncluded]: Start isIncluded. First operand 15157 states. Second operand 15155 states. [2020-07-18 05:13:44,438 INFO L87 Difference]: Start difference. First operand 15157 states. Second operand 15155 states. [2020-07-18 05:13:54,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:13:54,230 INFO L93 Difference]: Finished difference Result 15157 states and 19635 transitions. [2020-07-18 05:13:54,230 INFO L276 IsEmpty]: Start isEmpty. Operand 15157 states and 19635 transitions. [2020-07-18 05:13:54,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:13:54,240 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:13:54,240 INFO L74 IsIncluded]: Start isIncluded. First operand 15155 states. Second operand 15157 states. [2020-07-18 05:13:54,240 INFO L87 Difference]: Start difference. First operand 15155 states. Second operand 15157 states. [2020-07-18 05:14:04,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:04,848 INFO L93 Difference]: Finished difference Result 15157 states and 19635 transitions. [2020-07-18 05:14:04,848 INFO L276 IsEmpty]: Start isEmpty. Operand 15157 states and 19635 transitions. [2020-07-18 05:14:04,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:04,861 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:04,861 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:14:04,861 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:14:04,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15155 states. [2020-07-18 05:14:13,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15155 states to 15155 states and 19634 transitions. [2020-07-18 05:14:13,502 INFO L78 Accepts]: Start accepts. Automaton has 15155 states and 19634 transitions. Word has length 86 [2020-07-18 05:14:13,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:14:13,503 INFO L479 AbstractCegarLoop]: Abstraction has 15155 states and 19634 transitions. [2020-07-18 05:14:13,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:14:13,503 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15155 states and 19634 transitions. [2020-07-18 05:14:40,621 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19634 edges. 19634 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:40,622 INFO L276 IsEmpty]: Start isEmpty. Operand 15155 states and 19634 transitions. [2020-07-18 05:14:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-18 05:14:40,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:40,627 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] [2020-07-18 05:14:40,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-18 05:14:40,627 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:40,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:40,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1193948038, now seen corresponding path program 1 times [2020-07-18 05:14:40,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:40,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817909795] [2020-07-18 05:14:40,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:40,666 INFO L280 TraceCheckUtils]: 0: Hoare triple {333592#true} assume true; {333592#true} is VALID [2020-07-18 05:14:40,666 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {333592#true} {333592#true} #295#return; {333592#true} is VALID [2020-07-18 05:14:40,667 INFO L263 TraceCheckUtils]: 0: Hoare triple {333592#true} call ULTIMATE.init(); {333592#true} is VALID [2020-07-18 05:14:40,667 INFO L280 TraceCheckUtils]: 1: Hoare triple {333592#true} assume true; {333592#true} is VALID [2020-07-18 05:14:40,667 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {333592#true} {333592#true} #295#return; {333592#true} is VALID [2020-07-18 05:14:40,667 INFO L263 TraceCheckUtils]: 3: Hoare triple {333592#true} call #t~ret12 := main(); {333592#true} is VALID [2020-07-18 05:14:40,667 INFO L280 TraceCheckUtils]: 4: Hoare triple {333592#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {333592#true} is VALID [2020-07-18 05:14:40,668 INFO L280 TraceCheckUtils]: 5: Hoare triple {333592#true} ~p1~0 := #t~nondet0; {333592#true} is VALID [2020-07-18 05:14:40,668 INFO L280 TraceCheckUtils]: 6: Hoare triple {333592#true} havoc #t~nondet0; {333592#true} is VALID [2020-07-18 05:14:40,668 INFO L280 TraceCheckUtils]: 7: Hoare triple {333592#true} havoc ~lk1~0; {333592#true} is VALID [2020-07-18 05:14:40,668 INFO L280 TraceCheckUtils]: 8: Hoare triple {333592#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {333592#true} is VALID [2020-07-18 05:14:40,668 INFO L280 TraceCheckUtils]: 9: Hoare triple {333592#true} ~p2~0 := #t~nondet1; {333592#true} is VALID [2020-07-18 05:14:40,669 INFO L280 TraceCheckUtils]: 10: Hoare triple {333592#true} havoc #t~nondet1; {333592#true} is VALID [2020-07-18 05:14:40,669 INFO L280 TraceCheckUtils]: 11: Hoare triple {333592#true} havoc ~lk2~0; {333592#true} is VALID [2020-07-18 05:14:40,669 INFO L280 TraceCheckUtils]: 12: Hoare triple {333592#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {333592#true} is VALID [2020-07-18 05:14:40,669 INFO L280 TraceCheckUtils]: 13: Hoare triple {333592#true} ~p3~0 := #t~nondet2; {333592#true} is VALID [2020-07-18 05:14:40,669 INFO L280 TraceCheckUtils]: 14: Hoare triple {333592#true} havoc #t~nondet2; {333592#true} is VALID [2020-07-18 05:14:40,669 INFO L280 TraceCheckUtils]: 15: Hoare triple {333592#true} havoc ~lk3~0; {333592#true} is VALID [2020-07-18 05:14:40,670 INFO L280 TraceCheckUtils]: 16: Hoare triple {333592#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {333592#true} is VALID [2020-07-18 05:14:40,670 INFO L280 TraceCheckUtils]: 17: Hoare triple {333592#true} ~p4~0 := #t~nondet3; {333592#true} is VALID [2020-07-18 05:14:40,670 INFO L280 TraceCheckUtils]: 18: Hoare triple {333592#true} havoc #t~nondet3; {333592#true} is VALID [2020-07-18 05:14:40,670 INFO L280 TraceCheckUtils]: 19: Hoare triple {333592#true} havoc ~lk4~0; {333592#true} is VALID [2020-07-18 05:14:40,670 INFO L280 TraceCheckUtils]: 20: Hoare triple {333592#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {333592#true} is VALID [2020-07-18 05:14:40,670 INFO L280 TraceCheckUtils]: 21: Hoare triple {333592#true} ~p5~0 := #t~nondet4; {333592#true} is VALID [2020-07-18 05:14:40,671 INFO L280 TraceCheckUtils]: 22: Hoare triple {333592#true} havoc #t~nondet4; {333592#true} is VALID [2020-07-18 05:14:40,671 INFO L280 TraceCheckUtils]: 23: Hoare triple {333592#true} havoc ~lk5~0; {333592#true} is VALID [2020-07-18 05:14:40,671 INFO L280 TraceCheckUtils]: 24: Hoare triple {333592#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {333592#true} is VALID [2020-07-18 05:14:40,671 INFO L280 TraceCheckUtils]: 25: Hoare triple {333592#true} ~p6~0 := #t~nondet5; {333592#true} is VALID [2020-07-18 05:14:40,671 INFO L280 TraceCheckUtils]: 26: Hoare triple {333592#true} havoc #t~nondet5; {333592#true} is VALID [2020-07-18 05:14:40,671 INFO L280 TraceCheckUtils]: 27: Hoare triple {333592#true} havoc ~lk6~0; {333592#true} is VALID [2020-07-18 05:14:40,672 INFO L280 TraceCheckUtils]: 28: Hoare triple {333592#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {333592#true} is VALID [2020-07-18 05:14:40,672 INFO L280 TraceCheckUtils]: 29: Hoare triple {333592#true} ~p7~0 := #t~nondet6; {333592#true} is VALID [2020-07-18 05:14:40,672 INFO L280 TraceCheckUtils]: 30: Hoare triple {333592#true} havoc #t~nondet6; {333592#true} is VALID [2020-07-18 05:14:40,672 INFO L280 TraceCheckUtils]: 31: Hoare triple {333592#true} havoc ~lk7~0; {333592#true} is VALID [2020-07-18 05:14:40,672 INFO L280 TraceCheckUtils]: 32: Hoare triple {333592#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {333592#true} is VALID [2020-07-18 05:14:40,672 INFO L280 TraceCheckUtils]: 33: Hoare triple {333592#true} ~p8~0 := #t~nondet7; {333592#true} is VALID [2020-07-18 05:14:40,673 INFO L280 TraceCheckUtils]: 34: Hoare triple {333592#true} havoc #t~nondet7; {333592#true} is VALID [2020-07-18 05:14:40,673 INFO L280 TraceCheckUtils]: 35: Hoare triple {333592#true} havoc ~lk8~0; {333592#true} is VALID [2020-07-18 05:14:40,673 INFO L280 TraceCheckUtils]: 36: Hoare triple {333592#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {333592#true} is VALID [2020-07-18 05:14:40,673 INFO L280 TraceCheckUtils]: 37: Hoare triple {333592#true} ~p9~0 := #t~nondet8; {333592#true} is VALID [2020-07-18 05:14:40,673 INFO L280 TraceCheckUtils]: 38: Hoare triple {333592#true} havoc #t~nondet8; {333592#true} is VALID [2020-07-18 05:14:40,673 INFO L280 TraceCheckUtils]: 39: Hoare triple {333592#true} havoc ~lk9~0; {333592#true} is VALID [2020-07-18 05:14:40,674 INFO L280 TraceCheckUtils]: 40: Hoare triple {333592#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {333592#true} is VALID [2020-07-18 05:14:40,674 INFO L280 TraceCheckUtils]: 41: Hoare triple {333592#true} ~p10~0 := #t~nondet9; {333592#true} is VALID [2020-07-18 05:14:40,674 INFO L280 TraceCheckUtils]: 42: Hoare triple {333592#true} havoc #t~nondet9; {333592#true} is VALID [2020-07-18 05:14:40,674 INFO L280 TraceCheckUtils]: 43: Hoare triple {333592#true} havoc ~lk10~0; {333592#true} is VALID [2020-07-18 05:14:40,674 INFO L280 TraceCheckUtils]: 44: Hoare triple {333592#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {333592#true} is VALID [2020-07-18 05:14:40,674 INFO L280 TraceCheckUtils]: 45: Hoare triple {333592#true} ~p11~0 := #t~nondet10; {333592#true} is VALID [2020-07-18 05:14:40,675 INFO L280 TraceCheckUtils]: 46: Hoare triple {333592#true} havoc #t~nondet10; {333592#true} is VALID [2020-07-18 05:14:40,675 INFO L280 TraceCheckUtils]: 47: Hoare triple {333592#true} havoc ~lk11~0; {333592#true} is VALID [2020-07-18 05:14:40,675 INFO L280 TraceCheckUtils]: 48: Hoare triple {333592#true} havoc ~cond~0; {333592#true} is VALID [2020-07-18 05:14:40,675 INFO L280 TraceCheckUtils]: 49: Hoare triple {333592#true} assume !false; {333592#true} is VALID [2020-07-18 05:14:40,675 INFO L280 TraceCheckUtils]: 50: Hoare triple {333592#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {333592#true} is VALID [2020-07-18 05:14:40,675 INFO L280 TraceCheckUtils]: 51: Hoare triple {333592#true} ~cond~0 := #t~nondet11; {333592#true} is VALID [2020-07-18 05:14:40,676 INFO L280 TraceCheckUtils]: 52: Hoare triple {333592#true} havoc #t~nondet11; {333592#true} is VALID [2020-07-18 05:14:40,676 INFO L280 TraceCheckUtils]: 53: Hoare triple {333592#true} assume !(0 == ~cond~0); {333592#true} is VALID [2020-07-18 05:14:40,676 INFO L280 TraceCheckUtils]: 54: Hoare triple {333592#true} ~lk1~0 := 0; {333592#true} is VALID [2020-07-18 05:14:40,676 INFO L280 TraceCheckUtils]: 55: Hoare triple {333592#true} ~lk2~0 := 0; {333592#true} is VALID [2020-07-18 05:14:40,676 INFO L280 TraceCheckUtils]: 56: Hoare triple {333592#true} ~lk3~0 := 0; {333592#true} is VALID [2020-07-18 05:14:40,676 INFO L280 TraceCheckUtils]: 57: Hoare triple {333592#true} ~lk4~0 := 0; {333592#true} is VALID [2020-07-18 05:14:40,677 INFO L280 TraceCheckUtils]: 58: Hoare triple {333592#true} ~lk5~0 := 0; {333592#true} is VALID [2020-07-18 05:14:40,677 INFO L280 TraceCheckUtils]: 59: Hoare triple {333592#true} ~lk6~0 := 0; {333592#true} is VALID [2020-07-18 05:14:40,677 INFO L280 TraceCheckUtils]: 60: Hoare triple {333592#true} ~lk7~0 := 0; {333592#true} is VALID [2020-07-18 05:14:40,677 INFO L280 TraceCheckUtils]: 61: Hoare triple {333592#true} ~lk8~0 := 0; {333592#true} is VALID [2020-07-18 05:14:40,677 INFO L280 TraceCheckUtils]: 62: Hoare triple {333592#true} ~lk9~0 := 0; {333592#true} is VALID [2020-07-18 05:14:40,678 INFO L280 TraceCheckUtils]: 63: Hoare triple {333592#true} ~lk10~0 := 0; {333592#true} is VALID [2020-07-18 05:14:40,678 INFO L280 TraceCheckUtils]: 64: Hoare triple {333592#true} ~lk11~0 := 0; {333592#true} is VALID [2020-07-18 05:14:40,678 INFO L280 TraceCheckUtils]: 65: Hoare triple {333592#true} assume !(0 != ~p1~0); {333592#true} is VALID [2020-07-18 05:14:40,678 INFO L280 TraceCheckUtils]: 66: Hoare triple {333592#true} assume !(0 != ~p2~0); {333592#true} is VALID [2020-07-18 05:14:40,678 INFO L280 TraceCheckUtils]: 67: Hoare triple {333592#true} assume !(0 != ~p3~0); {333592#true} is VALID [2020-07-18 05:14:40,678 INFO L280 TraceCheckUtils]: 68: Hoare triple {333592#true} assume !(0 != ~p4~0); {333592#true} is VALID [2020-07-18 05:14:40,679 INFO L280 TraceCheckUtils]: 69: Hoare triple {333592#true} assume !(0 != ~p5~0); {333592#true} is VALID [2020-07-18 05:14:40,679 INFO L280 TraceCheckUtils]: 70: Hoare triple {333592#true} assume !(0 != ~p6~0); {333592#true} is VALID [2020-07-18 05:14:40,679 INFO L280 TraceCheckUtils]: 71: Hoare triple {333592#true} assume !(0 != ~p7~0); {333592#true} is VALID [2020-07-18 05:14:40,679 INFO L280 TraceCheckUtils]: 72: Hoare triple {333592#true} assume 0 != ~p8~0; {333592#true} is VALID [2020-07-18 05:14:40,680 INFO L280 TraceCheckUtils]: 73: Hoare triple {333592#true} ~lk8~0 := 1; {333596#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:40,680 INFO L280 TraceCheckUtils]: 74: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p9~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:40,681 INFO L280 TraceCheckUtils]: 75: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p10~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:40,681 INFO L280 TraceCheckUtils]: 76: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p11~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:40,682 INFO L280 TraceCheckUtils]: 77: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p1~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:40,682 INFO L280 TraceCheckUtils]: 78: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p2~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:40,682 INFO L280 TraceCheckUtils]: 79: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p3~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:40,683 INFO L280 TraceCheckUtils]: 80: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p4~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:40,683 INFO L280 TraceCheckUtils]: 81: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p5~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:40,684 INFO L280 TraceCheckUtils]: 82: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p6~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:40,684 INFO L280 TraceCheckUtils]: 83: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p7~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:40,685 INFO L280 TraceCheckUtils]: 84: Hoare triple {333596#(= 1 main_~lk8~0)} assume 0 != ~p8~0; {333596#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:40,685 INFO L280 TraceCheckUtils]: 85: Hoare triple {333596#(= 1 main_~lk8~0)} assume 1 != ~lk8~0; {333593#false} is VALID [2020-07-18 05:14:40,685 INFO L280 TraceCheckUtils]: 86: Hoare triple {333593#false} assume !false; {333593#false} is VALID [2020-07-18 05:14:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:14:40,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817909795] [2020-07-18 05:14:40,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:14:40,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:14:40,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883053452] [2020-07-18 05:14:40,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-07-18 05:14:40,691 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:14:40,691 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:14:40,763 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:40,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:14:40,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:14:40,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:14:40,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:14:40,764 INFO L87 Difference]: Start difference. First operand 15155 states and 19634 transitions. Second operand 3 states. [2020-07-18 05:15:56,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:56,995 INFO L93 Difference]: Finished difference Result 17975 states and 23220 transitions. [2020-07-18 05:15:56,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:15:56,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-07-18 05:15:56,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:56,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:15:56,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2020-07-18 05:15:56,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:15:56,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2020-07-18 05:15:56,998 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 215 transitions. [2020-07-18 05:15:57,192 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 215 edges. 215 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:11,025 INFO L225 Difference]: With dead ends: 17975 [2020-07-18 05:16:11,026 INFO L226 Difference]: Without dead ends: 17973 [2020-07-18 05:16:11,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:16:11,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17973 states. [2020-07-18 05:17:06,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17973 to 15155. [2020-07-18 05:17:06,678 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:17:06,678 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17973 states. Second operand 15155 states. [2020-07-18 05:17:06,678 INFO L74 IsIncluded]: Start isIncluded. First operand 17973 states. Second operand 15155 states. [2020-07-18 05:17:06,678 INFO L87 Difference]: Start difference. First operand 17973 states. Second operand 15155 states. [2020-07-18 05:17:21,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:21,933 INFO L93 Difference]: Finished difference Result 17973 states and 23091 transitions. [2020-07-18 05:17:21,933 INFO L276 IsEmpty]: Start isEmpty. Operand 17973 states and 23091 transitions. [2020-07-18 05:17:21,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:17:21,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:17:21,949 INFO L74 IsIncluded]: Start isIncluded. First operand 15155 states. Second operand 17973 states. [2020-07-18 05:17:21,949 INFO L87 Difference]: Start difference. First operand 15155 states. Second operand 17973 states. [2020-07-18 05:17:34,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:34,611 INFO L93 Difference]: Finished difference Result 17973 states and 23091 transitions. [2020-07-18 05:17:34,611 INFO L276 IsEmpty]: Start isEmpty. Operand 17973 states and 23091 transitions. [2020-07-18 05:17:34,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:17:34,622 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:17:34,622 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:17:34,622 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:17:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15155 states. [2020-07-18 05:17:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15155 states to 15155 states and 19506 transitions. [2020-07-18 05:17:43,727 INFO L78 Accepts]: Start accepts. Automaton has 15155 states and 19506 transitions. Word has length 87 [2020-07-18 05:17:43,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:17:43,727 INFO L479 AbstractCegarLoop]: Abstraction has 15155 states and 19506 transitions. [2020-07-18 05:17:43,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:17:43,728 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15155 states and 19506 transitions. [2020-07-18 05:18:11,880 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19506 edges. 19506 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:18:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 15155 states and 19506 transitions. [2020-07-18 05:18:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-18 05:18:11,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:18:11,886 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] [2020-07-18 05:18:11,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-18 05:18:11,886 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:18:11,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:18:11,887 INFO L82 PathProgramCache]: Analyzing trace with hash -791026560, now seen corresponding path program 1 times [2020-07-18 05:18:11,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:18:11,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [843055946] [2020-07-18 05:18:11,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:18:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:18:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:18:11,922 INFO L280 TraceCheckUtils]: 0: Hoare triple {435805#true} assume true; {435805#true} is VALID [2020-07-18 05:18:11,923 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {435805#true} {435805#true} #295#return; {435805#true} is VALID [2020-07-18 05:18:11,923 INFO L263 TraceCheckUtils]: 0: Hoare triple {435805#true} call ULTIMATE.init(); {435805#true} is VALID [2020-07-18 05:18:11,923 INFO L280 TraceCheckUtils]: 1: Hoare triple {435805#true} assume true; {435805#true} is VALID [2020-07-18 05:18:11,923 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {435805#true} {435805#true} #295#return; {435805#true} is VALID [2020-07-18 05:18:11,924 INFO L263 TraceCheckUtils]: 3: Hoare triple {435805#true} call #t~ret12 := main(); {435805#true} is VALID [2020-07-18 05:18:11,924 INFO L280 TraceCheckUtils]: 4: Hoare triple {435805#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {435805#true} is VALID [2020-07-18 05:18:11,924 INFO L280 TraceCheckUtils]: 5: Hoare triple {435805#true} ~p1~0 := #t~nondet0; {435805#true} is VALID [2020-07-18 05:18:11,924 INFO L280 TraceCheckUtils]: 6: Hoare triple {435805#true} havoc #t~nondet0; {435805#true} is VALID [2020-07-18 05:18:11,924 INFO L280 TraceCheckUtils]: 7: Hoare triple {435805#true} havoc ~lk1~0; {435805#true} is VALID [2020-07-18 05:18:11,924 INFO L280 TraceCheckUtils]: 8: Hoare triple {435805#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {435805#true} is VALID [2020-07-18 05:18:11,925 INFO L280 TraceCheckUtils]: 9: Hoare triple {435805#true} ~p2~0 := #t~nondet1; {435805#true} is VALID [2020-07-18 05:18:11,925 INFO L280 TraceCheckUtils]: 10: Hoare triple {435805#true} havoc #t~nondet1; {435805#true} is VALID [2020-07-18 05:18:11,925 INFO L280 TraceCheckUtils]: 11: Hoare triple {435805#true} havoc ~lk2~0; {435805#true} is VALID [2020-07-18 05:18:11,925 INFO L280 TraceCheckUtils]: 12: Hoare triple {435805#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {435805#true} is VALID [2020-07-18 05:18:11,925 INFO L280 TraceCheckUtils]: 13: Hoare triple {435805#true} ~p3~0 := #t~nondet2; {435805#true} is VALID [2020-07-18 05:18:11,925 INFO L280 TraceCheckUtils]: 14: Hoare triple {435805#true} havoc #t~nondet2; {435805#true} is VALID [2020-07-18 05:18:11,926 INFO L280 TraceCheckUtils]: 15: Hoare triple {435805#true} havoc ~lk3~0; {435805#true} is VALID [2020-07-18 05:18:11,926 INFO L280 TraceCheckUtils]: 16: Hoare triple {435805#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {435805#true} is VALID [2020-07-18 05:18:11,926 INFO L280 TraceCheckUtils]: 17: Hoare triple {435805#true} ~p4~0 := #t~nondet3; {435805#true} is VALID [2020-07-18 05:18:11,926 INFO L280 TraceCheckUtils]: 18: Hoare triple {435805#true} havoc #t~nondet3; {435805#true} is VALID [2020-07-18 05:18:11,926 INFO L280 TraceCheckUtils]: 19: Hoare triple {435805#true} havoc ~lk4~0; {435805#true} is VALID [2020-07-18 05:18:11,927 INFO L280 TraceCheckUtils]: 20: Hoare triple {435805#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {435805#true} is VALID [2020-07-18 05:18:11,927 INFO L280 TraceCheckUtils]: 21: Hoare triple {435805#true} ~p5~0 := #t~nondet4; {435805#true} is VALID [2020-07-18 05:18:11,927 INFO L280 TraceCheckUtils]: 22: Hoare triple {435805#true} havoc #t~nondet4; {435805#true} is VALID [2020-07-18 05:18:11,927 INFO L280 TraceCheckUtils]: 23: Hoare triple {435805#true} havoc ~lk5~0; {435805#true} is VALID [2020-07-18 05:18:11,927 INFO L280 TraceCheckUtils]: 24: Hoare triple {435805#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {435805#true} is VALID [2020-07-18 05:18:11,927 INFO L280 TraceCheckUtils]: 25: Hoare triple {435805#true} ~p6~0 := #t~nondet5; {435805#true} is VALID [2020-07-18 05:18:11,928 INFO L280 TraceCheckUtils]: 26: Hoare triple {435805#true} havoc #t~nondet5; {435805#true} is VALID [2020-07-18 05:18:11,928 INFO L280 TraceCheckUtils]: 27: Hoare triple {435805#true} havoc ~lk6~0; {435805#true} is VALID [2020-07-18 05:18:11,928 INFO L280 TraceCheckUtils]: 28: Hoare triple {435805#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {435805#true} is VALID [2020-07-18 05:18:11,928 INFO L280 TraceCheckUtils]: 29: Hoare triple {435805#true} ~p7~0 := #t~nondet6; {435805#true} is VALID [2020-07-18 05:18:11,928 INFO L280 TraceCheckUtils]: 30: Hoare triple {435805#true} havoc #t~nondet6; {435805#true} is VALID [2020-07-18 05:18:11,928 INFO L280 TraceCheckUtils]: 31: Hoare triple {435805#true} havoc ~lk7~0; {435805#true} is VALID [2020-07-18 05:18:11,929 INFO L280 TraceCheckUtils]: 32: Hoare triple {435805#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {435805#true} is VALID [2020-07-18 05:18:11,929 INFO L280 TraceCheckUtils]: 33: Hoare triple {435805#true} ~p8~0 := #t~nondet7; {435805#true} is VALID [2020-07-18 05:18:11,929 INFO L280 TraceCheckUtils]: 34: Hoare triple {435805#true} havoc #t~nondet7; {435805#true} is VALID [2020-07-18 05:18:11,929 INFO L280 TraceCheckUtils]: 35: Hoare triple {435805#true} havoc ~lk8~0; {435805#true} is VALID [2020-07-18 05:18:11,929 INFO L280 TraceCheckUtils]: 36: Hoare triple {435805#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {435805#true} is VALID [2020-07-18 05:18:11,929 INFO L280 TraceCheckUtils]: 37: Hoare triple {435805#true} ~p9~0 := #t~nondet8; {435805#true} is VALID [2020-07-18 05:18:11,929 INFO L280 TraceCheckUtils]: 38: Hoare triple {435805#true} havoc #t~nondet8; {435805#true} is VALID [2020-07-18 05:18:11,930 INFO L280 TraceCheckUtils]: 39: Hoare triple {435805#true} havoc ~lk9~0; {435805#true} is VALID [2020-07-18 05:18:11,930 INFO L280 TraceCheckUtils]: 40: Hoare triple {435805#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {435805#true} is VALID [2020-07-18 05:18:11,930 INFO L280 TraceCheckUtils]: 41: Hoare triple {435805#true} ~p10~0 := #t~nondet9; {435805#true} is VALID [2020-07-18 05:18:11,930 INFO L280 TraceCheckUtils]: 42: Hoare triple {435805#true} havoc #t~nondet9; {435805#true} is VALID [2020-07-18 05:18:11,930 INFO L280 TraceCheckUtils]: 43: Hoare triple {435805#true} havoc ~lk10~0; {435805#true} is VALID [2020-07-18 05:18:11,930 INFO L280 TraceCheckUtils]: 44: Hoare triple {435805#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {435805#true} is VALID [2020-07-18 05:18:11,931 INFO L280 TraceCheckUtils]: 45: Hoare triple {435805#true} ~p11~0 := #t~nondet10; {435805#true} is VALID [2020-07-18 05:18:11,932 INFO L280 TraceCheckUtils]: 46: Hoare triple {435805#true} havoc #t~nondet10; {435805#true} is VALID [2020-07-18 05:18:11,932 INFO L280 TraceCheckUtils]: 47: Hoare triple {435805#true} havoc ~lk11~0; {435805#true} is VALID [2020-07-18 05:18:11,932 INFO L280 TraceCheckUtils]: 48: Hoare triple {435805#true} havoc ~cond~0; {435805#true} is VALID [2020-07-18 05:18:11,932 INFO L280 TraceCheckUtils]: 49: Hoare triple {435805#true} assume !false; {435805#true} is VALID [2020-07-18 05:18:11,932 INFO L280 TraceCheckUtils]: 50: Hoare triple {435805#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {435805#true} is VALID [2020-07-18 05:18:11,933 INFO L280 TraceCheckUtils]: 51: Hoare triple {435805#true} ~cond~0 := #t~nondet11; {435805#true} is VALID [2020-07-18 05:18:11,933 INFO L280 TraceCheckUtils]: 52: Hoare triple {435805#true} havoc #t~nondet11; {435805#true} is VALID [2020-07-18 05:18:11,933 INFO L280 TraceCheckUtils]: 53: Hoare triple {435805#true} assume !(0 == ~cond~0); {435805#true} is VALID [2020-07-18 05:18:11,933 INFO L280 TraceCheckUtils]: 54: Hoare triple {435805#true} ~lk1~0 := 0; {435805#true} is VALID [2020-07-18 05:18:11,933 INFO L280 TraceCheckUtils]: 55: Hoare triple {435805#true} ~lk2~0 := 0; {435805#true} is VALID [2020-07-18 05:18:11,933 INFO L280 TraceCheckUtils]: 56: Hoare triple {435805#true} ~lk3~0 := 0; {435805#true} is VALID [2020-07-18 05:18:11,934 INFO L280 TraceCheckUtils]: 57: Hoare triple {435805#true} ~lk4~0 := 0; {435805#true} is VALID [2020-07-18 05:18:11,934 INFO L280 TraceCheckUtils]: 58: Hoare triple {435805#true} ~lk5~0 := 0; {435805#true} is VALID [2020-07-18 05:18:11,934 INFO L280 TraceCheckUtils]: 59: Hoare triple {435805#true} ~lk6~0 := 0; {435805#true} is VALID [2020-07-18 05:18:11,934 INFO L280 TraceCheckUtils]: 60: Hoare triple {435805#true} ~lk7~0 := 0; {435805#true} is VALID [2020-07-18 05:18:11,934 INFO L280 TraceCheckUtils]: 61: Hoare triple {435805#true} ~lk8~0 := 0; {435805#true} is VALID [2020-07-18 05:18:11,934 INFO L280 TraceCheckUtils]: 62: Hoare triple {435805#true} ~lk9~0 := 0; {435805#true} is VALID [2020-07-18 05:18:11,935 INFO L280 TraceCheckUtils]: 63: Hoare triple {435805#true} ~lk10~0 := 0; {435805#true} is VALID [2020-07-18 05:18:11,935 INFO L280 TraceCheckUtils]: 64: Hoare triple {435805#true} ~lk11~0 := 0; {435805#true} is VALID [2020-07-18 05:18:11,935 INFO L280 TraceCheckUtils]: 65: Hoare triple {435805#true} assume !(0 != ~p1~0); {435805#true} is VALID [2020-07-18 05:18:11,935 INFO L280 TraceCheckUtils]: 66: Hoare triple {435805#true} assume !(0 != ~p2~0); {435805#true} is VALID [2020-07-18 05:18:11,935 INFO L280 TraceCheckUtils]: 67: Hoare triple {435805#true} assume !(0 != ~p3~0); {435805#true} is VALID [2020-07-18 05:18:11,935 INFO L280 TraceCheckUtils]: 68: Hoare triple {435805#true} assume !(0 != ~p4~0); {435805#true} is VALID [2020-07-18 05:18:11,936 INFO L280 TraceCheckUtils]: 69: Hoare triple {435805#true} assume !(0 != ~p5~0); {435805#true} is VALID [2020-07-18 05:18:11,936 INFO L280 TraceCheckUtils]: 70: Hoare triple {435805#true} assume !(0 != ~p6~0); {435805#true} is VALID [2020-07-18 05:18:11,936 INFO L280 TraceCheckUtils]: 71: Hoare triple {435805#true} assume !(0 != ~p7~0); {435805#true} is VALID [2020-07-18 05:18:11,936 INFO L280 TraceCheckUtils]: 72: Hoare triple {435805#true} assume !(0 != ~p8~0); {435805#true} is VALID [2020-07-18 05:18:11,937 INFO L280 TraceCheckUtils]: 73: Hoare triple {435805#true} assume !(0 != ~p9~0); {435809#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:11,937 INFO L280 TraceCheckUtils]: 74: Hoare triple {435809#(= 0 main_~p9~0)} assume !(0 != ~p10~0); {435809#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:11,938 INFO L280 TraceCheckUtils]: 75: Hoare triple {435809#(= 0 main_~p9~0)} assume !(0 != ~p11~0); {435809#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:11,938 INFO L280 TraceCheckUtils]: 76: Hoare triple {435809#(= 0 main_~p9~0)} assume !(0 != ~p1~0); {435809#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:11,939 INFO L280 TraceCheckUtils]: 77: Hoare triple {435809#(= 0 main_~p9~0)} assume !(0 != ~p2~0); {435809#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:11,939 INFO L280 TraceCheckUtils]: 78: Hoare triple {435809#(= 0 main_~p9~0)} assume !(0 != ~p3~0); {435809#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:11,940 INFO L280 TraceCheckUtils]: 79: Hoare triple {435809#(= 0 main_~p9~0)} assume !(0 != ~p4~0); {435809#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:11,940 INFO L280 TraceCheckUtils]: 80: Hoare triple {435809#(= 0 main_~p9~0)} assume !(0 != ~p5~0); {435809#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:11,941 INFO L280 TraceCheckUtils]: 81: Hoare triple {435809#(= 0 main_~p9~0)} assume !(0 != ~p6~0); {435809#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:11,941 INFO L280 TraceCheckUtils]: 82: Hoare triple {435809#(= 0 main_~p9~0)} assume !(0 != ~p7~0); {435809#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:11,942 INFO L280 TraceCheckUtils]: 83: Hoare triple {435809#(= 0 main_~p9~0)} assume !(0 != ~p8~0); {435809#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:11,942 INFO L280 TraceCheckUtils]: 84: Hoare triple {435809#(= 0 main_~p9~0)} assume 0 != ~p9~0; {435806#false} is VALID [2020-07-18 05:18:11,942 INFO L280 TraceCheckUtils]: 85: Hoare triple {435806#false} assume 1 != ~lk9~0; {435806#false} is VALID [2020-07-18 05:18:11,943 INFO L280 TraceCheckUtils]: 86: Hoare triple {435806#false} assume !false; {435806#false} is VALID [2020-07-18 05:18:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:18:11,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [843055946] [2020-07-18 05:18:11,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:18:11,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:18:11,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817568635] [2020-07-18 05:18:11,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-07-18 05:18:11,948 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:18:11,949 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:18:12,023 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:18:12,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:18:12,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:18:12,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:18:12,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:18:12,024 INFO L87 Difference]: Start difference. First operand 15155 states and 19506 transitions. Second operand 3 states.