/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_10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 05:06:18,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:06:18,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:06:18,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:06:18,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:06:18,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:06:18,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:06:18,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:06:18,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:06:18,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:06:18,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:06:18,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:06:18,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:06:18,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:06:18,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:06:18,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:06:18,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:06:18,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:06:18,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:06:18,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:06:18,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:06:18,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:06:18,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:06:18,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:06:18,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:06:18,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:06:18,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:06:18,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:06:18,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:06:18,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:06:18,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:06:18,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:06:18,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:06:18,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:06:18,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:06:18,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:06:18,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:06:18,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:06:18,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:06:18,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:06:18,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:06:18,453 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 05:06:18,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:06:18,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:06:18,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:06:18,464 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:06:18,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:06:18,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:06:18,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:06:18,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:06:18,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:06:18,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:06:18,465 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:06:18,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:06:18,466 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:06:18,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:06:18,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:06:18,466 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:06:18,466 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:06:18,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:06:18,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:06:18,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:06:18,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:06:18,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:06:18,468 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 05:06:18,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:06:18,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:06:18,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:06:18,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:06:18,773 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:06:18,774 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_10.c [2020-07-18 05:06:18,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c7b5781/09a6eedb4d344d5e82fe227841865ec2/FLAGfe988cf4d [2020-07-18 05:06:19,240 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:06:19,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_10.c [2020-07-18 05:06:19,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c7b5781/09a6eedb4d344d5e82fe227841865ec2/FLAGfe988cf4d [2020-07-18 05:06:19,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c7b5781/09a6eedb4d344d5e82fe227841865ec2 [2020-07-18 05:06:19,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:06:19,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:06:19,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:06:19,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:06:19,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:06:19,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:06:19" (1/1) ... [2020-07-18 05:06:19,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a363c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:19, skipping insertion in model container [2020-07-18 05:06:19,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:06:19" (1/1) ... [2020-07-18 05:06:19,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:06:19,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:06:19,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:06:19,927 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:06:19,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:06:19,989 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:06:19,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:19 WrapperNode [2020-07-18 05:06:19,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:06:19,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:06:19,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:06:19,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:06:20,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:19" (1/1) ... [2020-07-18 05:06:20,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:19" (1/1) ... [2020-07-18 05:06:20,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:19" (1/1) ... [2020-07-18 05:06:20,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:19" (1/1) ... [2020-07-18 05:06:20,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:19" (1/1) ... [2020-07-18 05:06:20,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:19" (1/1) ... [2020-07-18 05:06:20,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:19" (1/1) ... [2020-07-18 05:06:20,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:06:20,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:06:20,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:06:20,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:06:20,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:19" (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 05:06:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:06:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:06:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:06:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:06:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 05:06:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:06:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:06:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:06:20,772 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:06:20,773 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-18 05:06:20,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:06:20 BoogieIcfgContainer [2020-07-18 05:06:20,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:06:20,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:06:20,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:06:20,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:06:20,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:06:19" (1/3) ... [2020-07-18 05:06:20,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a635ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:06:20, skipping insertion in model container [2020-07-18 05:06:20,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:06:19" (2/3) ... [2020-07-18 05:06:20,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a635ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:06:20, skipping insertion in model container [2020-07-18 05:06:20,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:06:20" (3/3) ... [2020-07-18 05:06:20,787 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_10.c [2020-07-18 05:06:20,798 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:06:20,806 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 05:06:20,818 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 05:06:20,837 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:06:20,837 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:06:20,838 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:06:20,838 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:06:20,838 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:06:20,838 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:06:20,838 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:06:20,838 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:06:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2020-07-18 05:06:20,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-18 05:06:20,868 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:20,870 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] [2020-07-18 05:06:20,870 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:20,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:20,877 INFO L82 PathProgramCache]: Analyzing trace with hash -74913912, now seen corresponding path program 1 times [2020-07-18 05:06:20,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:20,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358420685] [2020-07-18 05:06:20,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:21,129 INFO L280 TraceCheckUtils]: 0: Hoare triple {121#true} assume true; {121#true} is VALID [2020-07-18 05:06:21,130 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {121#true} {121#true} #271#return; {121#true} is VALID [2020-07-18 05:06:21,132 INFO L263 TraceCheckUtils]: 0: Hoare triple {121#true} call ULTIMATE.init(); {121#true} is VALID [2020-07-18 05:06:21,132 INFO L280 TraceCheckUtils]: 1: Hoare triple {121#true} assume true; {121#true} is VALID [2020-07-18 05:06:21,133 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {121#true} {121#true} #271#return; {121#true} is VALID [2020-07-18 05:06:21,133 INFO L263 TraceCheckUtils]: 3: Hoare triple {121#true} call #t~ret11 := main(); {121#true} is VALID [2020-07-18 05:06:21,133 INFO L280 TraceCheckUtils]: 4: Hoare triple {121#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {121#true} is VALID [2020-07-18 05:06:21,134 INFO L280 TraceCheckUtils]: 5: Hoare triple {121#true} ~p1~0 := #t~nondet0; {121#true} is VALID [2020-07-18 05:06:21,134 INFO L280 TraceCheckUtils]: 6: Hoare triple {121#true} havoc #t~nondet0; {121#true} is VALID [2020-07-18 05:06:21,135 INFO L280 TraceCheckUtils]: 7: Hoare triple {121#true} havoc ~lk1~0; {121#true} is VALID [2020-07-18 05:06:21,135 INFO L280 TraceCheckUtils]: 8: Hoare triple {121#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {121#true} is VALID [2020-07-18 05:06:21,135 INFO L280 TraceCheckUtils]: 9: Hoare triple {121#true} ~p2~0 := #t~nondet1; {121#true} is VALID [2020-07-18 05:06:21,136 INFO L280 TraceCheckUtils]: 10: Hoare triple {121#true} havoc #t~nondet1; {121#true} is VALID [2020-07-18 05:06:21,136 INFO L280 TraceCheckUtils]: 11: Hoare triple {121#true} havoc ~lk2~0; {121#true} is VALID [2020-07-18 05:06:21,136 INFO L280 TraceCheckUtils]: 12: Hoare triple {121#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {121#true} is VALID [2020-07-18 05:06:21,137 INFO L280 TraceCheckUtils]: 13: Hoare triple {121#true} ~p3~0 := #t~nondet2; {121#true} is VALID [2020-07-18 05:06:21,137 INFO L280 TraceCheckUtils]: 14: Hoare triple {121#true} havoc #t~nondet2; {121#true} is VALID [2020-07-18 05:06:21,137 INFO L280 TraceCheckUtils]: 15: Hoare triple {121#true} havoc ~lk3~0; {121#true} is VALID [2020-07-18 05:06:21,138 INFO L280 TraceCheckUtils]: 16: Hoare triple {121#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {121#true} is VALID [2020-07-18 05:06:21,138 INFO L280 TraceCheckUtils]: 17: Hoare triple {121#true} ~p4~0 := #t~nondet3; {121#true} is VALID [2020-07-18 05:06:21,138 INFO L280 TraceCheckUtils]: 18: Hoare triple {121#true} havoc #t~nondet3; {121#true} is VALID [2020-07-18 05:06:21,139 INFO L280 TraceCheckUtils]: 19: Hoare triple {121#true} havoc ~lk4~0; {121#true} is VALID [2020-07-18 05:06:21,139 INFO L280 TraceCheckUtils]: 20: Hoare triple {121#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {121#true} is VALID [2020-07-18 05:06:21,139 INFO L280 TraceCheckUtils]: 21: Hoare triple {121#true} ~p5~0 := #t~nondet4; {121#true} is VALID [2020-07-18 05:06:21,140 INFO L280 TraceCheckUtils]: 22: Hoare triple {121#true} havoc #t~nondet4; {121#true} is VALID [2020-07-18 05:06:21,140 INFO L280 TraceCheckUtils]: 23: Hoare triple {121#true} havoc ~lk5~0; {121#true} is VALID [2020-07-18 05:06:21,140 INFO L280 TraceCheckUtils]: 24: Hoare triple {121#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {121#true} is VALID [2020-07-18 05:06:21,141 INFO L280 TraceCheckUtils]: 25: Hoare triple {121#true} ~p6~0 := #t~nondet5; {121#true} is VALID [2020-07-18 05:06:21,141 INFO L280 TraceCheckUtils]: 26: Hoare triple {121#true} havoc #t~nondet5; {121#true} is VALID [2020-07-18 05:06:21,141 INFO L280 TraceCheckUtils]: 27: Hoare triple {121#true} havoc ~lk6~0; {121#true} is VALID [2020-07-18 05:06:21,142 INFO L280 TraceCheckUtils]: 28: Hoare triple {121#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {121#true} is VALID [2020-07-18 05:06:21,142 INFO L280 TraceCheckUtils]: 29: Hoare triple {121#true} ~p7~0 := #t~nondet6; {121#true} is VALID [2020-07-18 05:06:21,142 INFO L280 TraceCheckUtils]: 30: Hoare triple {121#true} havoc #t~nondet6; {121#true} is VALID [2020-07-18 05:06:21,143 INFO L280 TraceCheckUtils]: 31: Hoare triple {121#true} havoc ~lk7~0; {121#true} is VALID [2020-07-18 05:06:21,143 INFO L280 TraceCheckUtils]: 32: Hoare triple {121#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {121#true} is VALID [2020-07-18 05:06:21,143 INFO L280 TraceCheckUtils]: 33: Hoare triple {121#true} ~p8~0 := #t~nondet7; {121#true} is VALID [2020-07-18 05:06:21,144 INFO L280 TraceCheckUtils]: 34: Hoare triple {121#true} havoc #t~nondet7; {121#true} is VALID [2020-07-18 05:06:21,144 INFO L280 TraceCheckUtils]: 35: Hoare triple {121#true} havoc ~lk8~0; {121#true} is VALID [2020-07-18 05:06:21,144 INFO L280 TraceCheckUtils]: 36: Hoare triple {121#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {121#true} is VALID [2020-07-18 05:06:21,145 INFO L280 TraceCheckUtils]: 37: Hoare triple {121#true} ~p9~0 := #t~nondet8; {121#true} is VALID [2020-07-18 05:06:21,145 INFO L280 TraceCheckUtils]: 38: Hoare triple {121#true} havoc #t~nondet8; {121#true} is VALID [2020-07-18 05:06:21,145 INFO L280 TraceCheckUtils]: 39: Hoare triple {121#true} havoc ~lk9~0; {121#true} is VALID [2020-07-18 05:06:21,146 INFO L280 TraceCheckUtils]: 40: Hoare triple {121#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {121#true} is VALID [2020-07-18 05:06:21,146 INFO L280 TraceCheckUtils]: 41: Hoare triple {121#true} ~p10~0 := #t~nondet9; {121#true} is VALID [2020-07-18 05:06:21,146 INFO L280 TraceCheckUtils]: 42: Hoare triple {121#true} havoc #t~nondet9; {121#true} is VALID [2020-07-18 05:06:21,147 INFO L280 TraceCheckUtils]: 43: Hoare triple {121#true} havoc ~lk10~0; {121#true} is VALID [2020-07-18 05:06:21,147 INFO L280 TraceCheckUtils]: 44: Hoare triple {121#true} havoc ~cond~0; {121#true} is VALID [2020-07-18 05:06:21,148 INFO L280 TraceCheckUtils]: 45: Hoare triple {121#true} assume !false; {121#true} is VALID [2020-07-18 05:06:21,148 INFO L280 TraceCheckUtils]: 46: Hoare triple {121#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {121#true} is VALID [2020-07-18 05:06:21,148 INFO L280 TraceCheckUtils]: 47: Hoare triple {121#true} ~cond~0 := #t~nondet10; {121#true} is VALID [2020-07-18 05:06:21,149 INFO L280 TraceCheckUtils]: 48: Hoare triple {121#true} havoc #t~nondet10; {121#true} is VALID [2020-07-18 05:06:21,149 INFO L280 TraceCheckUtils]: 49: Hoare triple {121#true} assume !(0 == ~cond~0); {121#true} is VALID [2020-07-18 05:06:21,149 INFO L280 TraceCheckUtils]: 50: Hoare triple {121#true} ~lk1~0 := 0; {121#true} is VALID [2020-07-18 05:06:21,150 INFO L280 TraceCheckUtils]: 51: Hoare triple {121#true} ~lk2~0 := 0; {121#true} is VALID [2020-07-18 05:06:21,150 INFO L280 TraceCheckUtils]: 52: Hoare triple {121#true} ~lk3~0 := 0; {121#true} is VALID [2020-07-18 05:06:21,150 INFO L280 TraceCheckUtils]: 53: Hoare triple {121#true} ~lk4~0 := 0; {121#true} is VALID [2020-07-18 05:06:21,151 INFO L280 TraceCheckUtils]: 54: Hoare triple {121#true} ~lk5~0 := 0; {121#true} is VALID [2020-07-18 05:06:21,151 INFO L280 TraceCheckUtils]: 55: Hoare triple {121#true} ~lk6~0 := 0; {121#true} is VALID [2020-07-18 05:06:21,151 INFO L280 TraceCheckUtils]: 56: Hoare triple {121#true} ~lk7~0 := 0; {121#true} is VALID [2020-07-18 05:06:21,152 INFO L280 TraceCheckUtils]: 57: Hoare triple {121#true} ~lk8~0 := 0; {121#true} is VALID [2020-07-18 05:06:21,152 INFO L280 TraceCheckUtils]: 58: Hoare triple {121#true} ~lk9~0 := 0; {121#true} is VALID [2020-07-18 05:06:21,152 INFO L280 TraceCheckUtils]: 59: Hoare triple {121#true} ~lk10~0 := 0; {121#true} is VALID [2020-07-18 05:06:21,155 INFO L280 TraceCheckUtils]: 60: Hoare triple {121#true} assume !(0 != ~p1~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:21,156 INFO L280 TraceCheckUtils]: 61: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p2~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:21,158 INFO L280 TraceCheckUtils]: 62: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p3~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:21,160 INFO L280 TraceCheckUtils]: 63: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p4~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:21,161 INFO L280 TraceCheckUtils]: 64: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p5~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:21,168 INFO L280 TraceCheckUtils]: 65: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p6~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:21,169 INFO L280 TraceCheckUtils]: 66: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p7~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:21,170 INFO L280 TraceCheckUtils]: 67: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p8~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:21,174 INFO L280 TraceCheckUtils]: 68: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p9~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:21,175 INFO L280 TraceCheckUtils]: 69: Hoare triple {125#(= 0 main_~p1~0)} assume !(0 != ~p10~0); {125#(= 0 main_~p1~0)} is VALID [2020-07-18 05:06:21,176 INFO L280 TraceCheckUtils]: 70: Hoare triple {125#(= 0 main_~p1~0)} assume 0 != ~p1~0; {122#false} is VALID [2020-07-18 05:06:21,176 INFO L280 TraceCheckUtils]: 71: Hoare triple {122#false} assume 1 != ~lk1~0; {122#false} is VALID [2020-07-18 05:06:21,177 INFO L280 TraceCheckUtils]: 72: Hoare triple {122#false} assume !false; {122#false} is VALID [2020-07-18 05:06:21,195 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 05:06:21,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1358420685] [2020-07-18 05:06:21,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:21,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:21,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866688557] [2020-07-18 05:06:21,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-07-18 05:06:21,210 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:21,214 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:21,325 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:21,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:21,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:21,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:21,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:21,339 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 3 states. [2020-07-18 05:06:21,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:21,871 INFO L93 Difference]: Finished difference Result 257 states and 353 transitions. [2020-07-18 05:06:21,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:21,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-07-18 05:06:21,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2020-07-18 05:06:21,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2020-07-18 05:06:21,900 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 353 transitions. [2020-07-18 05:06:22,325 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 353 edges. 353 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:22,346 INFO L225 Difference]: With dead ends: 257 [2020-07-18 05:06:22,346 INFO L226 Difference]: Without dead ends: 176 [2020-07-18 05:06:22,351 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 05:06:22,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-18 05:06:22,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2020-07-18 05:06:22,503 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:22,504 INFO L82 GeneralOperation]: Start isEquivalent. First operand 176 states. Second operand 174 states. [2020-07-18 05:06:22,505 INFO L74 IsIncluded]: Start isIncluded. First operand 176 states. Second operand 174 states. [2020-07-18 05:06:22,505 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 174 states. [2020-07-18 05:06:22,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:22,518 INFO L93 Difference]: Finished difference Result 176 states and 231 transitions. [2020-07-18 05:06:22,518 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 231 transitions. [2020-07-18 05:06:22,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:22,520 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:22,521 INFO L74 IsIncluded]: Start isIncluded. First operand 174 states. Second operand 176 states. [2020-07-18 05:06:22,521 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 176 states. [2020-07-18 05:06:22,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:22,533 INFO L93 Difference]: Finished difference Result 176 states and 231 transitions. [2020-07-18 05:06:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 231 transitions. [2020-07-18 05:06:22,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:22,535 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:22,536 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:22,536 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:22,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-07-18 05:06:22,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 230 transitions. [2020-07-18 05:06:22,547 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 230 transitions. Word has length 73 [2020-07-18 05:06:22,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:22,548 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 230 transitions. [2020-07-18 05:06:22,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:22,548 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 174 states and 230 transitions. [2020-07-18 05:06:22,771 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 230 edges. 230 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:22,771 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 230 transitions. [2020-07-18 05:06:22,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-18 05:06:22,774 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:22,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:06:22,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:06:22,775 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:22,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:22,775 INFO L82 PathProgramCache]: Analyzing trace with hash 328701044, now seen corresponding path program 1 times [2020-07-18 05:06:22,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:22,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677842630] [2020-07-18 05:06:22,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:22,912 INFO L280 TraceCheckUtils]: 0: Hoare triple {1342#true} assume true; {1342#true} is VALID [2020-07-18 05:06:22,913 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1342#true} {1342#true} #271#return; {1342#true} is VALID [2020-07-18 05:06:22,913 INFO L263 TraceCheckUtils]: 0: Hoare triple {1342#true} call ULTIMATE.init(); {1342#true} is VALID [2020-07-18 05:06:22,913 INFO L280 TraceCheckUtils]: 1: Hoare triple {1342#true} assume true; {1342#true} is VALID [2020-07-18 05:06:22,914 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1342#true} {1342#true} #271#return; {1342#true} is VALID [2020-07-18 05:06:22,914 INFO L263 TraceCheckUtils]: 3: Hoare triple {1342#true} call #t~ret11 := main(); {1342#true} is VALID [2020-07-18 05:06:22,914 INFO L280 TraceCheckUtils]: 4: Hoare triple {1342#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1342#true} is VALID [2020-07-18 05:06:22,914 INFO L280 TraceCheckUtils]: 5: Hoare triple {1342#true} ~p1~0 := #t~nondet0; {1342#true} is VALID [2020-07-18 05:06:22,915 INFO L280 TraceCheckUtils]: 6: Hoare triple {1342#true} havoc #t~nondet0; {1342#true} is VALID [2020-07-18 05:06:22,915 INFO L280 TraceCheckUtils]: 7: Hoare triple {1342#true} havoc ~lk1~0; {1342#true} is VALID [2020-07-18 05:06:22,915 INFO L280 TraceCheckUtils]: 8: Hoare triple {1342#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1342#true} is VALID [2020-07-18 05:06:22,916 INFO L280 TraceCheckUtils]: 9: Hoare triple {1342#true} ~p2~0 := #t~nondet1; {1342#true} is VALID [2020-07-18 05:06:22,916 INFO L280 TraceCheckUtils]: 10: Hoare triple {1342#true} havoc #t~nondet1; {1342#true} is VALID [2020-07-18 05:06:22,916 INFO L280 TraceCheckUtils]: 11: Hoare triple {1342#true} havoc ~lk2~0; {1342#true} is VALID [2020-07-18 05:06:22,916 INFO L280 TraceCheckUtils]: 12: Hoare triple {1342#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {1342#true} is VALID [2020-07-18 05:06:22,917 INFO L280 TraceCheckUtils]: 13: Hoare triple {1342#true} ~p3~0 := #t~nondet2; {1342#true} is VALID [2020-07-18 05:06:22,917 INFO L280 TraceCheckUtils]: 14: Hoare triple {1342#true} havoc #t~nondet2; {1342#true} is VALID [2020-07-18 05:06:22,917 INFO L280 TraceCheckUtils]: 15: Hoare triple {1342#true} havoc ~lk3~0; {1342#true} is VALID [2020-07-18 05:06:22,918 INFO L280 TraceCheckUtils]: 16: Hoare triple {1342#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {1342#true} is VALID [2020-07-18 05:06:22,918 INFO L280 TraceCheckUtils]: 17: Hoare triple {1342#true} ~p4~0 := #t~nondet3; {1342#true} is VALID [2020-07-18 05:06:22,918 INFO L280 TraceCheckUtils]: 18: Hoare triple {1342#true} havoc #t~nondet3; {1342#true} is VALID [2020-07-18 05:06:22,918 INFO L280 TraceCheckUtils]: 19: Hoare triple {1342#true} havoc ~lk4~0; {1342#true} is VALID [2020-07-18 05:06:22,919 INFO L280 TraceCheckUtils]: 20: Hoare triple {1342#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {1342#true} is VALID [2020-07-18 05:06:22,919 INFO L280 TraceCheckUtils]: 21: Hoare triple {1342#true} ~p5~0 := #t~nondet4; {1342#true} is VALID [2020-07-18 05:06:22,919 INFO L280 TraceCheckUtils]: 22: Hoare triple {1342#true} havoc #t~nondet4; {1342#true} is VALID [2020-07-18 05:06:22,920 INFO L280 TraceCheckUtils]: 23: Hoare triple {1342#true} havoc ~lk5~0; {1342#true} is VALID [2020-07-18 05:06:22,920 INFO L280 TraceCheckUtils]: 24: Hoare triple {1342#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {1342#true} is VALID [2020-07-18 05:06:22,920 INFO L280 TraceCheckUtils]: 25: Hoare triple {1342#true} ~p6~0 := #t~nondet5; {1342#true} is VALID [2020-07-18 05:06:22,921 INFO L280 TraceCheckUtils]: 26: Hoare triple {1342#true} havoc #t~nondet5; {1342#true} is VALID [2020-07-18 05:06:22,921 INFO L280 TraceCheckUtils]: 27: Hoare triple {1342#true} havoc ~lk6~0; {1342#true} is VALID [2020-07-18 05:06:22,921 INFO L280 TraceCheckUtils]: 28: Hoare triple {1342#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {1342#true} is VALID [2020-07-18 05:06:22,921 INFO L280 TraceCheckUtils]: 29: Hoare triple {1342#true} ~p7~0 := #t~nondet6; {1342#true} is VALID [2020-07-18 05:06:22,922 INFO L280 TraceCheckUtils]: 30: Hoare triple {1342#true} havoc #t~nondet6; {1342#true} is VALID [2020-07-18 05:06:22,922 INFO L280 TraceCheckUtils]: 31: Hoare triple {1342#true} havoc ~lk7~0; {1342#true} is VALID [2020-07-18 05:06:22,922 INFO L280 TraceCheckUtils]: 32: Hoare triple {1342#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {1342#true} is VALID [2020-07-18 05:06:22,922 INFO L280 TraceCheckUtils]: 33: Hoare triple {1342#true} ~p8~0 := #t~nondet7; {1342#true} is VALID [2020-07-18 05:06:22,923 INFO L280 TraceCheckUtils]: 34: Hoare triple {1342#true} havoc #t~nondet7; {1342#true} is VALID [2020-07-18 05:06:22,923 INFO L280 TraceCheckUtils]: 35: Hoare triple {1342#true} havoc ~lk8~0; {1342#true} is VALID [2020-07-18 05:06:22,923 INFO L280 TraceCheckUtils]: 36: Hoare triple {1342#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {1342#true} is VALID [2020-07-18 05:06:22,924 INFO L280 TraceCheckUtils]: 37: Hoare triple {1342#true} ~p9~0 := #t~nondet8; {1342#true} is VALID [2020-07-18 05:06:22,924 INFO L280 TraceCheckUtils]: 38: Hoare triple {1342#true} havoc #t~nondet8; {1342#true} is VALID [2020-07-18 05:06:22,924 INFO L280 TraceCheckUtils]: 39: Hoare triple {1342#true} havoc ~lk9~0; {1342#true} is VALID [2020-07-18 05:06:22,925 INFO L280 TraceCheckUtils]: 40: Hoare triple {1342#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {1342#true} is VALID [2020-07-18 05:06:22,925 INFO L280 TraceCheckUtils]: 41: Hoare triple {1342#true} ~p10~0 := #t~nondet9; {1342#true} is VALID [2020-07-18 05:06:22,925 INFO L280 TraceCheckUtils]: 42: Hoare triple {1342#true} havoc #t~nondet9; {1342#true} is VALID [2020-07-18 05:06:22,925 INFO L280 TraceCheckUtils]: 43: Hoare triple {1342#true} havoc ~lk10~0; {1342#true} is VALID [2020-07-18 05:06:22,926 INFO L280 TraceCheckUtils]: 44: Hoare triple {1342#true} havoc ~cond~0; {1342#true} is VALID [2020-07-18 05:06:22,926 INFO L280 TraceCheckUtils]: 45: Hoare triple {1342#true} assume !false; {1342#true} is VALID [2020-07-18 05:06:22,926 INFO L280 TraceCheckUtils]: 46: Hoare triple {1342#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {1342#true} is VALID [2020-07-18 05:06:22,927 INFO L280 TraceCheckUtils]: 47: Hoare triple {1342#true} ~cond~0 := #t~nondet10; {1342#true} is VALID [2020-07-18 05:06:22,927 INFO L280 TraceCheckUtils]: 48: Hoare triple {1342#true} havoc #t~nondet10; {1342#true} is VALID [2020-07-18 05:06:22,927 INFO L280 TraceCheckUtils]: 49: Hoare triple {1342#true} assume !(0 == ~cond~0); {1342#true} is VALID [2020-07-18 05:06:22,927 INFO L280 TraceCheckUtils]: 50: Hoare triple {1342#true} ~lk1~0 := 0; {1342#true} is VALID [2020-07-18 05:06:22,928 INFO L280 TraceCheckUtils]: 51: Hoare triple {1342#true} ~lk2~0 := 0; {1342#true} is VALID [2020-07-18 05:06:22,928 INFO L280 TraceCheckUtils]: 52: Hoare triple {1342#true} ~lk3~0 := 0; {1342#true} is VALID [2020-07-18 05:06:22,928 INFO L280 TraceCheckUtils]: 53: Hoare triple {1342#true} ~lk4~0 := 0; {1342#true} is VALID [2020-07-18 05:06:22,929 INFO L280 TraceCheckUtils]: 54: Hoare triple {1342#true} ~lk5~0 := 0; {1342#true} is VALID [2020-07-18 05:06:22,929 INFO L280 TraceCheckUtils]: 55: Hoare triple {1342#true} ~lk6~0 := 0; {1342#true} is VALID [2020-07-18 05:06:22,929 INFO L280 TraceCheckUtils]: 56: Hoare triple {1342#true} ~lk7~0 := 0; {1342#true} is VALID [2020-07-18 05:06:22,929 INFO L280 TraceCheckUtils]: 57: Hoare triple {1342#true} ~lk8~0 := 0; {1342#true} is VALID [2020-07-18 05:06:22,930 INFO L280 TraceCheckUtils]: 58: Hoare triple {1342#true} ~lk9~0 := 0; {1342#true} is VALID [2020-07-18 05:06:22,930 INFO L280 TraceCheckUtils]: 59: Hoare triple {1342#true} ~lk10~0 := 0; {1342#true} is VALID [2020-07-18 05:06:22,930 INFO L280 TraceCheckUtils]: 60: Hoare triple {1342#true} assume 0 != ~p1~0; {1342#true} is VALID [2020-07-18 05:06:22,931 INFO L280 TraceCheckUtils]: 61: Hoare triple {1342#true} ~lk1~0 := 1; {1346#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:22,933 INFO L280 TraceCheckUtils]: 62: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p2~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:22,935 INFO L280 TraceCheckUtils]: 63: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p3~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:22,936 INFO L280 TraceCheckUtils]: 64: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p4~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:22,937 INFO L280 TraceCheckUtils]: 65: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p5~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:22,938 INFO L280 TraceCheckUtils]: 66: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p6~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:22,939 INFO L280 TraceCheckUtils]: 67: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p7~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:22,940 INFO L280 TraceCheckUtils]: 68: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p8~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:22,941 INFO L280 TraceCheckUtils]: 69: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p9~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:22,942 INFO L280 TraceCheckUtils]: 70: Hoare triple {1346#(= 1 main_~lk1~0)} assume !(0 != ~p10~0); {1346#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:22,943 INFO L280 TraceCheckUtils]: 71: Hoare triple {1346#(= 1 main_~lk1~0)} assume 0 != ~p1~0; {1346#(= 1 main_~lk1~0)} is VALID [2020-07-18 05:06:22,944 INFO L280 TraceCheckUtils]: 72: Hoare triple {1346#(= 1 main_~lk1~0)} assume 1 != ~lk1~0; {1343#false} is VALID [2020-07-18 05:06:22,945 INFO L280 TraceCheckUtils]: 73: Hoare triple {1343#false} assume !false; {1343#false} is VALID [2020-07-18 05:06:22,951 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 05:06:22,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677842630] [2020-07-18 05:06:22,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:22,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:22,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228593957] [2020-07-18 05:06:22,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-18 05:06:22,954 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:22,954 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:23,019 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:23,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:23,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:23,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:23,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:23,021 INFO L87 Difference]: Start difference. First operand 174 states and 230 transitions. Second operand 3 states. [2020-07-18 05:06:23,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:23,444 INFO L93 Difference]: Finished difference Result 211 states and 283 transitions. [2020-07-18 05:06:23,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:23,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-18 05:06:23,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2020-07-18 05:06:23,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2020-07-18 05:06:23,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 222 transitions. [2020-07-18 05:06:23,654 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 222 edges. 222 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:23,663 INFO L225 Difference]: With dead ends: 211 [2020-07-18 05:06:23,663 INFO L226 Difference]: Without dead ends: 209 [2020-07-18 05:06:23,665 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 05:06:23,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-07-18 05:06:23,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 174. [2020-07-18 05:06:23,817 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:23,817 INFO L82 GeneralOperation]: Start isEquivalent. First operand 209 states. Second operand 174 states. [2020-07-18 05:06:23,817 INFO L74 IsIncluded]: Start isIncluded. First operand 209 states. Second operand 174 states. [2020-07-18 05:06:23,817 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 174 states. [2020-07-18 05:06:23,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:23,829 INFO L93 Difference]: Finished difference Result 209 states and 281 transitions. [2020-07-18 05:06:23,829 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 281 transitions. [2020-07-18 05:06:23,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:23,831 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:23,831 INFO L74 IsIncluded]: Start isIncluded. First operand 174 states. Second operand 209 states. [2020-07-18 05:06:23,832 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 209 states. [2020-07-18 05:06:23,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:23,842 INFO L93 Difference]: Finished difference Result 209 states and 281 transitions. [2020-07-18 05:06:23,842 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 281 transitions. [2020-07-18 05:06:23,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:23,843 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:23,843 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:23,843 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:23,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-07-18 05:06:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 229 transitions. [2020-07-18 05:06:23,851 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 229 transitions. Word has length 74 [2020-07-18 05:06:23,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:23,851 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 229 transitions. [2020-07-18 05:06:23,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:23,851 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 174 states and 229 transitions. [2020-07-18 05:06:24,090 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 229 edges. 229 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 229 transitions. [2020-07-18 05:06:24,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-18 05:06:24,094 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:24,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:06:24,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 05:06:24,095 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:24,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:24,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1972879950, now seen corresponding path program 1 times [2020-07-18 05:06:24,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:24,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115151759] [2020-07-18 05:06:24,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:24,157 INFO L280 TraceCheckUtils]: 0: Hoare triple {2537#true} assume true; {2537#true} is VALID [2020-07-18 05:06:24,158 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2537#true} {2537#true} #271#return; {2537#true} is VALID [2020-07-18 05:06:24,158 INFO L263 TraceCheckUtils]: 0: Hoare triple {2537#true} call ULTIMATE.init(); {2537#true} is VALID [2020-07-18 05:06:24,158 INFO L280 TraceCheckUtils]: 1: Hoare triple {2537#true} assume true; {2537#true} is VALID [2020-07-18 05:06:24,159 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2537#true} {2537#true} #271#return; {2537#true} is VALID [2020-07-18 05:06:24,159 INFO L263 TraceCheckUtils]: 3: Hoare triple {2537#true} call #t~ret11 := main(); {2537#true} is VALID [2020-07-18 05:06:24,159 INFO L280 TraceCheckUtils]: 4: Hoare triple {2537#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {2537#true} is VALID [2020-07-18 05:06:24,160 INFO L280 TraceCheckUtils]: 5: Hoare triple {2537#true} ~p1~0 := #t~nondet0; {2537#true} is VALID [2020-07-18 05:06:24,160 INFO L280 TraceCheckUtils]: 6: Hoare triple {2537#true} havoc #t~nondet0; {2537#true} is VALID [2020-07-18 05:06:24,160 INFO L280 TraceCheckUtils]: 7: Hoare triple {2537#true} havoc ~lk1~0; {2537#true} is VALID [2020-07-18 05:06:24,160 INFO L280 TraceCheckUtils]: 8: Hoare triple {2537#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {2537#true} is VALID [2020-07-18 05:06:24,160 INFO L280 TraceCheckUtils]: 9: Hoare triple {2537#true} ~p2~0 := #t~nondet1; {2537#true} is VALID [2020-07-18 05:06:24,161 INFO L280 TraceCheckUtils]: 10: Hoare triple {2537#true} havoc #t~nondet1; {2537#true} is VALID [2020-07-18 05:06:24,161 INFO L280 TraceCheckUtils]: 11: Hoare triple {2537#true} havoc ~lk2~0; {2537#true} is VALID [2020-07-18 05:06:24,161 INFO L280 TraceCheckUtils]: 12: Hoare triple {2537#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {2537#true} is VALID [2020-07-18 05:06:24,161 INFO L280 TraceCheckUtils]: 13: Hoare triple {2537#true} ~p3~0 := #t~nondet2; {2537#true} is VALID [2020-07-18 05:06:24,162 INFO L280 TraceCheckUtils]: 14: Hoare triple {2537#true} havoc #t~nondet2; {2537#true} is VALID [2020-07-18 05:06:24,162 INFO L280 TraceCheckUtils]: 15: Hoare triple {2537#true} havoc ~lk3~0; {2537#true} is VALID [2020-07-18 05:06:24,162 INFO L280 TraceCheckUtils]: 16: Hoare triple {2537#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2537#true} is VALID [2020-07-18 05:06:24,162 INFO L280 TraceCheckUtils]: 17: Hoare triple {2537#true} ~p4~0 := #t~nondet3; {2537#true} is VALID [2020-07-18 05:06:24,163 INFO L280 TraceCheckUtils]: 18: Hoare triple {2537#true} havoc #t~nondet3; {2537#true} is VALID [2020-07-18 05:06:24,163 INFO L280 TraceCheckUtils]: 19: Hoare triple {2537#true} havoc ~lk4~0; {2537#true} is VALID [2020-07-18 05:06:24,163 INFO L280 TraceCheckUtils]: 20: Hoare triple {2537#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {2537#true} is VALID [2020-07-18 05:06:24,163 INFO L280 TraceCheckUtils]: 21: Hoare triple {2537#true} ~p5~0 := #t~nondet4; {2537#true} is VALID [2020-07-18 05:06:24,164 INFO L280 TraceCheckUtils]: 22: Hoare triple {2537#true} havoc #t~nondet4; {2537#true} is VALID [2020-07-18 05:06:24,164 INFO L280 TraceCheckUtils]: 23: Hoare triple {2537#true} havoc ~lk5~0; {2537#true} is VALID [2020-07-18 05:06:24,164 INFO L280 TraceCheckUtils]: 24: Hoare triple {2537#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {2537#true} is VALID [2020-07-18 05:06:24,165 INFO L280 TraceCheckUtils]: 25: Hoare triple {2537#true} ~p6~0 := #t~nondet5; {2537#true} is VALID [2020-07-18 05:06:24,165 INFO L280 TraceCheckUtils]: 26: Hoare triple {2537#true} havoc #t~nondet5; {2537#true} is VALID [2020-07-18 05:06:24,165 INFO L280 TraceCheckUtils]: 27: Hoare triple {2537#true} havoc ~lk6~0; {2537#true} is VALID [2020-07-18 05:06:24,165 INFO L280 TraceCheckUtils]: 28: Hoare triple {2537#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {2537#true} is VALID [2020-07-18 05:06:24,166 INFO L280 TraceCheckUtils]: 29: Hoare triple {2537#true} ~p7~0 := #t~nondet6; {2537#true} is VALID [2020-07-18 05:06:24,166 INFO L280 TraceCheckUtils]: 30: Hoare triple {2537#true} havoc #t~nondet6; {2537#true} is VALID [2020-07-18 05:06:24,166 INFO L280 TraceCheckUtils]: 31: Hoare triple {2537#true} havoc ~lk7~0; {2537#true} is VALID [2020-07-18 05:06:24,166 INFO L280 TraceCheckUtils]: 32: Hoare triple {2537#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {2537#true} is VALID [2020-07-18 05:06:24,167 INFO L280 TraceCheckUtils]: 33: Hoare triple {2537#true} ~p8~0 := #t~nondet7; {2537#true} is VALID [2020-07-18 05:06:24,167 INFO L280 TraceCheckUtils]: 34: Hoare triple {2537#true} havoc #t~nondet7; {2537#true} is VALID [2020-07-18 05:06:24,167 INFO L280 TraceCheckUtils]: 35: Hoare triple {2537#true} havoc ~lk8~0; {2537#true} is VALID [2020-07-18 05:06:24,167 INFO L280 TraceCheckUtils]: 36: Hoare triple {2537#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {2537#true} is VALID [2020-07-18 05:06:24,167 INFO L280 TraceCheckUtils]: 37: Hoare triple {2537#true} ~p9~0 := #t~nondet8; {2537#true} is VALID [2020-07-18 05:06:24,168 INFO L280 TraceCheckUtils]: 38: Hoare triple {2537#true} havoc #t~nondet8; {2537#true} is VALID [2020-07-18 05:06:24,168 INFO L280 TraceCheckUtils]: 39: Hoare triple {2537#true} havoc ~lk9~0; {2537#true} is VALID [2020-07-18 05:06:24,168 INFO L280 TraceCheckUtils]: 40: Hoare triple {2537#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {2537#true} is VALID [2020-07-18 05:06:24,168 INFO L280 TraceCheckUtils]: 41: Hoare triple {2537#true} ~p10~0 := #t~nondet9; {2537#true} is VALID [2020-07-18 05:06:24,169 INFO L280 TraceCheckUtils]: 42: Hoare triple {2537#true} havoc #t~nondet9; {2537#true} is VALID [2020-07-18 05:06:24,169 INFO L280 TraceCheckUtils]: 43: Hoare triple {2537#true} havoc ~lk10~0; {2537#true} is VALID [2020-07-18 05:06:24,169 INFO L280 TraceCheckUtils]: 44: Hoare triple {2537#true} havoc ~cond~0; {2537#true} is VALID [2020-07-18 05:06:24,170 INFO L280 TraceCheckUtils]: 45: Hoare triple {2537#true} assume !false; {2537#true} is VALID [2020-07-18 05:06:24,170 INFO L280 TraceCheckUtils]: 46: Hoare triple {2537#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {2537#true} is VALID [2020-07-18 05:06:24,170 INFO L280 TraceCheckUtils]: 47: Hoare triple {2537#true} ~cond~0 := #t~nondet10; {2537#true} is VALID [2020-07-18 05:06:24,170 INFO L280 TraceCheckUtils]: 48: Hoare triple {2537#true} havoc #t~nondet10; {2537#true} is VALID [2020-07-18 05:06:24,170 INFO L280 TraceCheckUtils]: 49: Hoare triple {2537#true} assume !(0 == ~cond~0); {2537#true} is VALID [2020-07-18 05:06:24,171 INFO L280 TraceCheckUtils]: 50: Hoare triple {2537#true} ~lk1~0 := 0; {2537#true} is VALID [2020-07-18 05:06:24,171 INFO L280 TraceCheckUtils]: 51: Hoare triple {2537#true} ~lk2~0 := 0; {2537#true} is VALID [2020-07-18 05:06:24,171 INFO L280 TraceCheckUtils]: 52: Hoare triple {2537#true} ~lk3~0 := 0; {2537#true} is VALID [2020-07-18 05:06:24,171 INFO L280 TraceCheckUtils]: 53: Hoare triple {2537#true} ~lk4~0 := 0; {2537#true} is VALID [2020-07-18 05:06:24,172 INFO L280 TraceCheckUtils]: 54: Hoare triple {2537#true} ~lk5~0 := 0; {2537#true} is VALID [2020-07-18 05:06:24,172 INFO L280 TraceCheckUtils]: 55: Hoare triple {2537#true} ~lk6~0 := 0; {2537#true} is VALID [2020-07-18 05:06:24,172 INFO L280 TraceCheckUtils]: 56: Hoare triple {2537#true} ~lk7~0 := 0; {2537#true} is VALID [2020-07-18 05:06:24,173 INFO L280 TraceCheckUtils]: 57: Hoare triple {2537#true} ~lk8~0 := 0; {2537#true} is VALID [2020-07-18 05:06:24,173 INFO L280 TraceCheckUtils]: 58: Hoare triple {2537#true} ~lk9~0 := 0; {2537#true} is VALID [2020-07-18 05:06:24,173 INFO L280 TraceCheckUtils]: 59: Hoare triple {2537#true} ~lk10~0 := 0; {2537#true} is VALID [2020-07-18 05:06:24,173 INFO L280 TraceCheckUtils]: 60: Hoare triple {2537#true} assume !(0 != ~p1~0); {2537#true} is VALID [2020-07-18 05:06:24,174 INFO L280 TraceCheckUtils]: 61: Hoare triple {2537#true} assume !(0 != ~p2~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:24,175 INFO L280 TraceCheckUtils]: 62: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p3~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:24,175 INFO L280 TraceCheckUtils]: 63: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p4~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:24,176 INFO L280 TraceCheckUtils]: 64: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p5~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:24,179 INFO L280 TraceCheckUtils]: 65: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p6~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:24,183 INFO L280 TraceCheckUtils]: 66: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p7~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:24,184 INFO L280 TraceCheckUtils]: 67: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p8~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:24,185 INFO L280 TraceCheckUtils]: 68: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p9~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:24,186 INFO L280 TraceCheckUtils]: 69: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p10~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:24,186 INFO L280 TraceCheckUtils]: 70: Hoare triple {2541#(= 0 main_~p2~0)} assume !(0 != ~p1~0); {2541#(= 0 main_~p2~0)} is VALID [2020-07-18 05:06:24,187 INFO L280 TraceCheckUtils]: 71: Hoare triple {2541#(= 0 main_~p2~0)} assume 0 != ~p2~0; {2538#false} is VALID [2020-07-18 05:06:24,187 INFO L280 TraceCheckUtils]: 72: Hoare triple {2538#false} assume 1 != ~lk2~0; {2538#false} is VALID [2020-07-18 05:06:24,188 INFO L280 TraceCheckUtils]: 73: Hoare triple {2538#false} assume !false; {2538#false} is VALID [2020-07-18 05:06:24,193 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 05:06:24,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115151759] [2020-07-18 05:06:24,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:24,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:24,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634678763] [2020-07-18 05:06:24,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-18 05:06:24,195 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:24,195 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:24,258 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:24,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:24,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:24,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:24,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:24,260 INFO L87 Difference]: Start difference. First operand 174 states and 229 transitions. Second operand 3 states. [2020-07-18 05:06:24,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:24,841 INFO L93 Difference]: Finished difference Result 426 states and 589 transitions. [2020-07-18 05:06:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:24,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-18 05:06:24,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2020-07-18 05:06:24,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:24,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2020-07-18 05:06:24,852 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 326 transitions. [2020-07-18 05:06:25,165 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 326 edges. 326 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:25,175 INFO L225 Difference]: With dead ends: 426 [2020-07-18 05:06:25,175 INFO L226 Difference]: Without dead ends: 297 [2020-07-18 05:06:25,176 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 05:06:25,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-07-18 05:06:25,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2020-07-18 05:06:25,450 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:25,450 INFO L82 GeneralOperation]: Start isEquivalent. First operand 297 states. Second operand 295 states. [2020-07-18 05:06:25,450 INFO L74 IsIncluded]: Start isIncluded. First operand 297 states. Second operand 295 states. [2020-07-18 05:06:25,451 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 295 states. [2020-07-18 05:06:25,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:25,464 INFO L93 Difference]: Finished difference Result 297 states and 401 transitions. [2020-07-18 05:06:25,464 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 401 transitions. [2020-07-18 05:06:25,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:25,465 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:25,465 INFO L74 IsIncluded]: Start isIncluded. First operand 295 states. Second operand 297 states. [2020-07-18 05:06:25,466 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 297 states. [2020-07-18 05:06:25,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:25,479 INFO L93 Difference]: Finished difference Result 297 states and 401 transitions. [2020-07-18 05:06:25,479 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 401 transitions. [2020-07-18 05:06:25,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:25,480 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:25,480 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:25,480 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-07-18 05:06:25,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 400 transitions. [2020-07-18 05:06:25,493 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 400 transitions. Word has length 74 [2020-07-18 05:06:25,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:25,493 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 400 transitions. [2020-07-18 05:06:25,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:25,493 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 295 states and 400 transitions. [2020-07-18 05:06:25,908 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 400 edges. 400 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 400 transitions. [2020-07-18 05:06:25,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-18 05:06:25,910 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:25,910 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] [2020-07-18 05:06:25,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 05:06:25,910 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:25,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:25,911 INFO L82 PathProgramCache]: Analyzing trace with hash -618815907, now seen corresponding path program 1 times [2020-07-18 05:06:25,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:25,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290867780] [2020-07-18 05:06:25,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:25,968 INFO L280 TraceCheckUtils]: 0: Hoare triple {4580#true} assume true; {4580#true} is VALID [2020-07-18 05:06:25,968 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4580#true} {4580#true} #271#return; {4580#true} is VALID [2020-07-18 05:06:25,968 INFO L263 TraceCheckUtils]: 0: Hoare triple {4580#true} call ULTIMATE.init(); {4580#true} is VALID [2020-07-18 05:06:25,969 INFO L280 TraceCheckUtils]: 1: Hoare triple {4580#true} assume true; {4580#true} is VALID [2020-07-18 05:06:25,969 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4580#true} {4580#true} #271#return; {4580#true} is VALID [2020-07-18 05:06:25,969 INFO L263 TraceCheckUtils]: 3: Hoare triple {4580#true} call #t~ret11 := main(); {4580#true} is VALID [2020-07-18 05:06:25,969 INFO L280 TraceCheckUtils]: 4: Hoare triple {4580#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {4580#true} is VALID [2020-07-18 05:06:25,970 INFO L280 TraceCheckUtils]: 5: Hoare triple {4580#true} ~p1~0 := #t~nondet0; {4580#true} is VALID [2020-07-18 05:06:25,970 INFO L280 TraceCheckUtils]: 6: Hoare triple {4580#true} havoc #t~nondet0; {4580#true} is VALID [2020-07-18 05:06:25,970 INFO L280 TraceCheckUtils]: 7: Hoare triple {4580#true} havoc ~lk1~0; {4580#true} is VALID [2020-07-18 05:06:25,970 INFO L280 TraceCheckUtils]: 8: Hoare triple {4580#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4580#true} is VALID [2020-07-18 05:06:25,970 INFO L280 TraceCheckUtils]: 9: Hoare triple {4580#true} ~p2~0 := #t~nondet1; {4580#true} is VALID [2020-07-18 05:06:25,971 INFO L280 TraceCheckUtils]: 10: Hoare triple {4580#true} havoc #t~nondet1; {4580#true} is VALID [2020-07-18 05:06:25,971 INFO L280 TraceCheckUtils]: 11: Hoare triple {4580#true} havoc ~lk2~0; {4580#true} is VALID [2020-07-18 05:06:25,971 INFO L280 TraceCheckUtils]: 12: Hoare triple {4580#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {4580#true} is VALID [2020-07-18 05:06:25,971 INFO L280 TraceCheckUtils]: 13: Hoare triple {4580#true} ~p3~0 := #t~nondet2; {4580#true} is VALID [2020-07-18 05:06:25,972 INFO L280 TraceCheckUtils]: 14: Hoare triple {4580#true} havoc #t~nondet2; {4580#true} is VALID [2020-07-18 05:06:25,972 INFO L280 TraceCheckUtils]: 15: Hoare triple {4580#true} havoc ~lk3~0; {4580#true} is VALID [2020-07-18 05:06:25,972 INFO L280 TraceCheckUtils]: 16: Hoare triple {4580#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4580#true} is VALID [2020-07-18 05:06:25,972 INFO L280 TraceCheckUtils]: 17: Hoare triple {4580#true} ~p4~0 := #t~nondet3; {4580#true} is VALID [2020-07-18 05:06:25,972 INFO L280 TraceCheckUtils]: 18: Hoare triple {4580#true} havoc #t~nondet3; {4580#true} is VALID [2020-07-18 05:06:25,973 INFO L280 TraceCheckUtils]: 19: Hoare triple {4580#true} havoc ~lk4~0; {4580#true} is VALID [2020-07-18 05:06:25,973 INFO L280 TraceCheckUtils]: 20: Hoare triple {4580#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {4580#true} is VALID [2020-07-18 05:06:25,973 INFO L280 TraceCheckUtils]: 21: Hoare triple {4580#true} ~p5~0 := #t~nondet4; {4580#true} is VALID [2020-07-18 05:06:25,973 INFO L280 TraceCheckUtils]: 22: Hoare triple {4580#true} havoc #t~nondet4; {4580#true} is VALID [2020-07-18 05:06:25,974 INFO L280 TraceCheckUtils]: 23: Hoare triple {4580#true} havoc ~lk5~0; {4580#true} is VALID [2020-07-18 05:06:25,974 INFO L280 TraceCheckUtils]: 24: Hoare triple {4580#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {4580#true} is VALID [2020-07-18 05:06:25,974 INFO L280 TraceCheckUtils]: 25: Hoare triple {4580#true} ~p6~0 := #t~nondet5; {4580#true} is VALID [2020-07-18 05:06:25,974 INFO L280 TraceCheckUtils]: 26: Hoare triple {4580#true} havoc #t~nondet5; {4580#true} is VALID [2020-07-18 05:06:25,974 INFO L280 TraceCheckUtils]: 27: Hoare triple {4580#true} havoc ~lk6~0; {4580#true} is VALID [2020-07-18 05:06:25,975 INFO L280 TraceCheckUtils]: 28: Hoare triple {4580#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {4580#true} is VALID [2020-07-18 05:06:25,975 INFO L280 TraceCheckUtils]: 29: Hoare triple {4580#true} ~p7~0 := #t~nondet6; {4580#true} is VALID [2020-07-18 05:06:25,975 INFO L280 TraceCheckUtils]: 30: Hoare triple {4580#true} havoc #t~nondet6; {4580#true} is VALID [2020-07-18 05:06:25,975 INFO L280 TraceCheckUtils]: 31: Hoare triple {4580#true} havoc ~lk7~0; {4580#true} is VALID [2020-07-18 05:06:25,976 INFO L280 TraceCheckUtils]: 32: Hoare triple {4580#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {4580#true} is VALID [2020-07-18 05:06:25,976 INFO L280 TraceCheckUtils]: 33: Hoare triple {4580#true} ~p8~0 := #t~nondet7; {4580#true} is VALID [2020-07-18 05:06:25,976 INFO L280 TraceCheckUtils]: 34: Hoare triple {4580#true} havoc #t~nondet7; {4580#true} is VALID [2020-07-18 05:06:25,976 INFO L280 TraceCheckUtils]: 35: Hoare triple {4580#true} havoc ~lk8~0; {4580#true} is VALID [2020-07-18 05:06:25,977 INFO L280 TraceCheckUtils]: 36: Hoare triple {4580#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {4580#true} is VALID [2020-07-18 05:06:25,977 INFO L280 TraceCheckUtils]: 37: Hoare triple {4580#true} ~p9~0 := #t~nondet8; {4580#true} is VALID [2020-07-18 05:06:25,977 INFO L280 TraceCheckUtils]: 38: Hoare triple {4580#true} havoc #t~nondet8; {4580#true} is VALID [2020-07-18 05:06:25,977 INFO L280 TraceCheckUtils]: 39: Hoare triple {4580#true} havoc ~lk9~0; {4580#true} is VALID [2020-07-18 05:06:25,977 INFO L280 TraceCheckUtils]: 40: Hoare triple {4580#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {4580#true} is VALID [2020-07-18 05:06:25,978 INFO L280 TraceCheckUtils]: 41: Hoare triple {4580#true} ~p10~0 := #t~nondet9; {4580#true} is VALID [2020-07-18 05:06:25,978 INFO L280 TraceCheckUtils]: 42: Hoare triple {4580#true} havoc #t~nondet9; {4580#true} is VALID [2020-07-18 05:06:25,978 INFO L280 TraceCheckUtils]: 43: Hoare triple {4580#true} havoc ~lk10~0; {4580#true} is VALID [2020-07-18 05:06:25,978 INFO L280 TraceCheckUtils]: 44: Hoare triple {4580#true} havoc ~cond~0; {4580#true} is VALID [2020-07-18 05:06:25,978 INFO L280 TraceCheckUtils]: 45: Hoare triple {4580#true} assume !false; {4580#true} is VALID [2020-07-18 05:06:25,979 INFO L280 TraceCheckUtils]: 46: Hoare triple {4580#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {4580#true} is VALID [2020-07-18 05:06:25,979 INFO L280 TraceCheckUtils]: 47: Hoare triple {4580#true} ~cond~0 := #t~nondet10; {4580#true} is VALID [2020-07-18 05:06:25,979 INFO L280 TraceCheckUtils]: 48: Hoare triple {4580#true} havoc #t~nondet10; {4580#true} is VALID [2020-07-18 05:06:25,979 INFO L280 TraceCheckUtils]: 49: Hoare triple {4580#true} assume !(0 == ~cond~0); {4580#true} is VALID [2020-07-18 05:06:25,980 INFO L280 TraceCheckUtils]: 50: Hoare triple {4580#true} ~lk1~0 := 0; {4580#true} is VALID [2020-07-18 05:06:25,980 INFO L280 TraceCheckUtils]: 51: Hoare triple {4580#true} ~lk2~0 := 0; {4580#true} is VALID [2020-07-18 05:06:25,980 INFO L280 TraceCheckUtils]: 52: Hoare triple {4580#true} ~lk3~0 := 0; {4580#true} is VALID [2020-07-18 05:06:25,980 INFO L280 TraceCheckUtils]: 53: Hoare triple {4580#true} ~lk4~0 := 0; {4580#true} is VALID [2020-07-18 05:06:25,980 INFO L280 TraceCheckUtils]: 54: Hoare triple {4580#true} ~lk5~0 := 0; {4580#true} is VALID [2020-07-18 05:06:25,981 INFO L280 TraceCheckUtils]: 55: Hoare triple {4580#true} ~lk6~0 := 0; {4580#true} is VALID [2020-07-18 05:06:25,981 INFO L280 TraceCheckUtils]: 56: Hoare triple {4580#true} ~lk7~0 := 0; {4580#true} is VALID [2020-07-18 05:06:25,981 INFO L280 TraceCheckUtils]: 57: Hoare triple {4580#true} ~lk8~0 := 0; {4580#true} is VALID [2020-07-18 05:06:25,981 INFO L280 TraceCheckUtils]: 58: Hoare triple {4580#true} ~lk9~0 := 0; {4580#true} is VALID [2020-07-18 05:06:25,982 INFO L280 TraceCheckUtils]: 59: Hoare triple {4580#true} ~lk10~0 := 0; {4580#true} is VALID [2020-07-18 05:06:25,982 INFO L280 TraceCheckUtils]: 60: Hoare triple {4580#true} assume !(0 != ~p1~0); {4580#true} is VALID [2020-07-18 05:06:25,982 INFO L280 TraceCheckUtils]: 61: Hoare triple {4580#true} assume 0 != ~p2~0; {4580#true} is VALID [2020-07-18 05:06:25,983 INFO L280 TraceCheckUtils]: 62: Hoare triple {4580#true} ~lk2~0 := 1; {4584#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:25,984 INFO L280 TraceCheckUtils]: 63: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p3~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:25,984 INFO L280 TraceCheckUtils]: 64: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p4~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:25,985 INFO L280 TraceCheckUtils]: 65: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p5~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:25,985 INFO L280 TraceCheckUtils]: 66: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p6~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:25,986 INFO L280 TraceCheckUtils]: 67: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p7~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:25,986 INFO L280 TraceCheckUtils]: 68: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p8~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:25,987 INFO L280 TraceCheckUtils]: 69: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p9~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:25,987 INFO L280 TraceCheckUtils]: 70: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p10~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:25,988 INFO L280 TraceCheckUtils]: 71: Hoare triple {4584#(= 1 main_~lk2~0)} assume !(0 != ~p1~0); {4584#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:25,988 INFO L280 TraceCheckUtils]: 72: Hoare triple {4584#(= 1 main_~lk2~0)} assume 0 != ~p2~0; {4584#(= 1 main_~lk2~0)} is VALID [2020-07-18 05:06:25,989 INFO L280 TraceCheckUtils]: 73: Hoare triple {4584#(= 1 main_~lk2~0)} assume 1 != ~lk2~0; {4581#false} is VALID [2020-07-18 05:06:25,989 INFO L280 TraceCheckUtils]: 74: Hoare triple {4581#false} assume !false; {4581#false} is VALID [2020-07-18 05:06:25,992 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 05:06:25,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290867780] [2020-07-18 05:06:25,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:25,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:25,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663052790] [2020-07-18 05:06:25,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-18 05:06:25,994 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:25,994 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:26,068 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:26,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:26,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:26,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:26,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:26,070 INFO L87 Difference]: Start difference. First operand 295 states and 400 transitions. Second operand 3 states. [2020-07-18 05:06:26,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:26,690 INFO L93 Difference]: Finished difference Result 361 states and 496 transitions. [2020-07-18 05:06:26,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:26,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-18 05:06:26,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:26,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2020-07-18 05:06:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:26,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2020-07-18 05:06:26,704 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 218 transitions. [2020-07-18 05:06:26,910 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 218 edges. 218 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:26,920 INFO L225 Difference]: With dead ends: 361 [2020-07-18 05:06:26,920 INFO L226 Difference]: Without dead ends: 359 [2020-07-18 05:06:26,921 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 05:06:26,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-07-18 05:06:27,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 295. [2020-07-18 05:06:27,231 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:27,232 INFO L82 GeneralOperation]: Start isEquivalent. First operand 359 states. Second operand 295 states. [2020-07-18 05:06:27,232 INFO L74 IsIncluded]: Start isIncluded. First operand 359 states. Second operand 295 states. [2020-07-18 05:06:27,232 INFO L87 Difference]: Start difference. First operand 359 states. Second operand 295 states. [2020-07-18 05:06:27,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:27,249 INFO L93 Difference]: Finished difference Result 359 states and 493 transitions. [2020-07-18 05:06:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 493 transitions. [2020-07-18 05:06:27,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:27,250 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:27,250 INFO L74 IsIncluded]: Start isIncluded. First operand 295 states. Second operand 359 states. [2020-07-18 05:06:27,251 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 359 states. [2020-07-18 05:06:27,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:27,267 INFO L93 Difference]: Finished difference Result 359 states and 493 transitions. [2020-07-18 05:06:27,267 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 493 transitions. [2020-07-18 05:06:27,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:27,268 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:27,269 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:27,269 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-07-18 05:06:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 398 transitions. [2020-07-18 05:06:27,282 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 398 transitions. Word has length 75 [2020-07-18 05:06:27,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:27,282 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 398 transitions. [2020-07-18 05:06:27,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:27,282 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 295 states and 398 transitions. [2020-07-18 05:06:27,707 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 398 edges. 398 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 398 transitions. [2020-07-18 05:06:27,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-18 05:06:27,709 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:27,709 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] [2020-07-18 05:06:27,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 05:06:27,710 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:27,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:27,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1029980604, now seen corresponding path program 1 times [2020-07-18 05:06:27,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:27,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192303325] [2020-07-18 05:06:27,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:27,761 INFO L280 TraceCheckUtils]: 0: Hoare triple {6617#true} assume true; {6617#true} is VALID [2020-07-18 05:06:27,761 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {6617#true} {6617#true} #271#return; {6617#true} is VALID [2020-07-18 05:06:27,762 INFO L263 TraceCheckUtils]: 0: Hoare triple {6617#true} call ULTIMATE.init(); {6617#true} is VALID [2020-07-18 05:06:27,762 INFO L280 TraceCheckUtils]: 1: Hoare triple {6617#true} assume true; {6617#true} is VALID [2020-07-18 05:06:27,762 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6617#true} {6617#true} #271#return; {6617#true} is VALID [2020-07-18 05:06:27,762 INFO L263 TraceCheckUtils]: 3: Hoare triple {6617#true} call #t~ret11 := main(); {6617#true} is VALID [2020-07-18 05:06:27,763 INFO L280 TraceCheckUtils]: 4: Hoare triple {6617#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {6617#true} is VALID [2020-07-18 05:06:27,763 INFO L280 TraceCheckUtils]: 5: Hoare triple {6617#true} ~p1~0 := #t~nondet0; {6617#true} is VALID [2020-07-18 05:06:27,763 INFO L280 TraceCheckUtils]: 6: Hoare triple {6617#true} havoc #t~nondet0; {6617#true} is VALID [2020-07-18 05:06:27,763 INFO L280 TraceCheckUtils]: 7: Hoare triple {6617#true} havoc ~lk1~0; {6617#true} is VALID [2020-07-18 05:06:27,764 INFO L280 TraceCheckUtils]: 8: Hoare triple {6617#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {6617#true} is VALID [2020-07-18 05:06:27,764 INFO L280 TraceCheckUtils]: 9: Hoare triple {6617#true} ~p2~0 := #t~nondet1; {6617#true} is VALID [2020-07-18 05:06:27,764 INFO L280 TraceCheckUtils]: 10: Hoare triple {6617#true} havoc #t~nondet1; {6617#true} is VALID [2020-07-18 05:06:27,764 INFO L280 TraceCheckUtils]: 11: Hoare triple {6617#true} havoc ~lk2~0; {6617#true} is VALID [2020-07-18 05:06:27,764 INFO L280 TraceCheckUtils]: 12: Hoare triple {6617#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {6617#true} is VALID [2020-07-18 05:06:27,765 INFO L280 TraceCheckUtils]: 13: Hoare triple {6617#true} ~p3~0 := #t~nondet2; {6617#true} is VALID [2020-07-18 05:06:27,765 INFO L280 TraceCheckUtils]: 14: Hoare triple {6617#true} havoc #t~nondet2; {6617#true} is VALID [2020-07-18 05:06:27,765 INFO L280 TraceCheckUtils]: 15: Hoare triple {6617#true} havoc ~lk3~0; {6617#true} is VALID [2020-07-18 05:06:27,765 INFO L280 TraceCheckUtils]: 16: Hoare triple {6617#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {6617#true} is VALID [2020-07-18 05:06:27,765 INFO L280 TraceCheckUtils]: 17: Hoare triple {6617#true} ~p4~0 := #t~nondet3; {6617#true} is VALID [2020-07-18 05:06:27,766 INFO L280 TraceCheckUtils]: 18: Hoare triple {6617#true} havoc #t~nondet3; {6617#true} is VALID [2020-07-18 05:06:27,766 INFO L280 TraceCheckUtils]: 19: Hoare triple {6617#true} havoc ~lk4~0; {6617#true} is VALID [2020-07-18 05:06:27,766 INFO L280 TraceCheckUtils]: 20: Hoare triple {6617#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {6617#true} is VALID [2020-07-18 05:06:27,766 INFO L280 TraceCheckUtils]: 21: Hoare triple {6617#true} ~p5~0 := #t~nondet4; {6617#true} is VALID [2020-07-18 05:06:27,767 INFO L280 TraceCheckUtils]: 22: Hoare triple {6617#true} havoc #t~nondet4; {6617#true} is VALID [2020-07-18 05:06:27,767 INFO L280 TraceCheckUtils]: 23: Hoare triple {6617#true} havoc ~lk5~0; {6617#true} is VALID [2020-07-18 05:06:27,767 INFO L280 TraceCheckUtils]: 24: Hoare triple {6617#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {6617#true} is VALID [2020-07-18 05:06:27,767 INFO L280 TraceCheckUtils]: 25: Hoare triple {6617#true} ~p6~0 := #t~nondet5; {6617#true} is VALID [2020-07-18 05:06:27,767 INFO L280 TraceCheckUtils]: 26: Hoare triple {6617#true} havoc #t~nondet5; {6617#true} is VALID [2020-07-18 05:06:27,768 INFO L280 TraceCheckUtils]: 27: Hoare triple {6617#true} havoc ~lk6~0; {6617#true} is VALID [2020-07-18 05:06:27,768 INFO L280 TraceCheckUtils]: 28: Hoare triple {6617#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {6617#true} is VALID [2020-07-18 05:06:27,768 INFO L280 TraceCheckUtils]: 29: Hoare triple {6617#true} ~p7~0 := #t~nondet6; {6617#true} is VALID [2020-07-18 05:06:27,768 INFO L280 TraceCheckUtils]: 30: Hoare triple {6617#true} havoc #t~nondet6; {6617#true} is VALID [2020-07-18 05:06:27,769 INFO L280 TraceCheckUtils]: 31: Hoare triple {6617#true} havoc ~lk7~0; {6617#true} is VALID [2020-07-18 05:06:27,769 INFO L280 TraceCheckUtils]: 32: Hoare triple {6617#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {6617#true} is VALID [2020-07-18 05:06:27,769 INFO L280 TraceCheckUtils]: 33: Hoare triple {6617#true} ~p8~0 := #t~nondet7; {6617#true} is VALID [2020-07-18 05:06:27,769 INFO L280 TraceCheckUtils]: 34: Hoare triple {6617#true} havoc #t~nondet7; {6617#true} is VALID [2020-07-18 05:06:27,770 INFO L280 TraceCheckUtils]: 35: Hoare triple {6617#true} havoc ~lk8~0; {6617#true} is VALID [2020-07-18 05:06:27,770 INFO L280 TraceCheckUtils]: 36: Hoare triple {6617#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {6617#true} is VALID [2020-07-18 05:06:27,770 INFO L280 TraceCheckUtils]: 37: Hoare triple {6617#true} ~p9~0 := #t~nondet8; {6617#true} is VALID [2020-07-18 05:06:27,770 INFO L280 TraceCheckUtils]: 38: Hoare triple {6617#true} havoc #t~nondet8; {6617#true} is VALID [2020-07-18 05:06:27,770 INFO L280 TraceCheckUtils]: 39: Hoare triple {6617#true} havoc ~lk9~0; {6617#true} is VALID [2020-07-18 05:06:27,771 INFO L280 TraceCheckUtils]: 40: Hoare triple {6617#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {6617#true} is VALID [2020-07-18 05:06:27,771 INFO L280 TraceCheckUtils]: 41: Hoare triple {6617#true} ~p10~0 := #t~nondet9; {6617#true} is VALID [2020-07-18 05:06:27,771 INFO L280 TraceCheckUtils]: 42: Hoare triple {6617#true} havoc #t~nondet9; {6617#true} is VALID [2020-07-18 05:06:27,771 INFO L280 TraceCheckUtils]: 43: Hoare triple {6617#true} havoc ~lk10~0; {6617#true} is VALID [2020-07-18 05:06:27,772 INFO L280 TraceCheckUtils]: 44: Hoare triple {6617#true} havoc ~cond~0; {6617#true} is VALID [2020-07-18 05:06:27,772 INFO L280 TraceCheckUtils]: 45: Hoare triple {6617#true} assume !false; {6617#true} is VALID [2020-07-18 05:06:27,772 INFO L280 TraceCheckUtils]: 46: Hoare triple {6617#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {6617#true} is VALID [2020-07-18 05:06:27,772 INFO L280 TraceCheckUtils]: 47: Hoare triple {6617#true} ~cond~0 := #t~nondet10; {6617#true} is VALID [2020-07-18 05:06:27,772 INFO L280 TraceCheckUtils]: 48: Hoare triple {6617#true} havoc #t~nondet10; {6617#true} is VALID [2020-07-18 05:06:27,773 INFO L280 TraceCheckUtils]: 49: Hoare triple {6617#true} assume !(0 == ~cond~0); {6617#true} is VALID [2020-07-18 05:06:27,773 INFO L280 TraceCheckUtils]: 50: Hoare triple {6617#true} ~lk1~0 := 0; {6617#true} is VALID [2020-07-18 05:06:27,773 INFO L280 TraceCheckUtils]: 51: Hoare triple {6617#true} ~lk2~0 := 0; {6617#true} is VALID [2020-07-18 05:06:27,773 INFO L280 TraceCheckUtils]: 52: Hoare triple {6617#true} ~lk3~0 := 0; {6617#true} is VALID [2020-07-18 05:06:27,774 INFO L280 TraceCheckUtils]: 53: Hoare triple {6617#true} ~lk4~0 := 0; {6617#true} is VALID [2020-07-18 05:06:27,774 INFO L280 TraceCheckUtils]: 54: Hoare triple {6617#true} ~lk5~0 := 0; {6617#true} is VALID [2020-07-18 05:06:27,774 INFO L280 TraceCheckUtils]: 55: Hoare triple {6617#true} ~lk6~0 := 0; {6617#true} is VALID [2020-07-18 05:06:27,774 INFO L280 TraceCheckUtils]: 56: Hoare triple {6617#true} ~lk7~0 := 0; {6617#true} is VALID [2020-07-18 05:06:27,775 INFO L280 TraceCheckUtils]: 57: Hoare triple {6617#true} ~lk8~0 := 0; {6617#true} is VALID [2020-07-18 05:06:27,775 INFO L280 TraceCheckUtils]: 58: Hoare triple {6617#true} ~lk9~0 := 0; {6617#true} is VALID [2020-07-18 05:06:27,775 INFO L280 TraceCheckUtils]: 59: Hoare triple {6617#true} ~lk10~0 := 0; {6617#true} is VALID [2020-07-18 05:06:27,775 INFO L280 TraceCheckUtils]: 60: Hoare triple {6617#true} assume !(0 != ~p1~0); {6617#true} is VALID [2020-07-18 05:06:27,775 INFO L280 TraceCheckUtils]: 61: Hoare triple {6617#true} assume !(0 != ~p2~0); {6617#true} is VALID [2020-07-18 05:06:27,776 INFO L280 TraceCheckUtils]: 62: Hoare triple {6617#true} assume !(0 != ~p3~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:27,777 INFO L280 TraceCheckUtils]: 63: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p4~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:27,777 INFO L280 TraceCheckUtils]: 64: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p5~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:27,778 INFO L280 TraceCheckUtils]: 65: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p6~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:27,778 INFO L280 TraceCheckUtils]: 66: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p7~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:27,779 INFO L280 TraceCheckUtils]: 67: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p8~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:27,779 INFO L280 TraceCheckUtils]: 68: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p9~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:27,780 INFO L280 TraceCheckUtils]: 69: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p10~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:27,784 INFO L280 TraceCheckUtils]: 70: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p1~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:27,788 INFO L280 TraceCheckUtils]: 71: Hoare triple {6621#(= 0 main_~p3~0)} assume !(0 != ~p2~0); {6621#(= 0 main_~p3~0)} is VALID [2020-07-18 05:06:27,790 INFO L280 TraceCheckUtils]: 72: Hoare triple {6621#(= 0 main_~p3~0)} assume 0 != ~p3~0; {6618#false} is VALID [2020-07-18 05:06:27,791 INFO L280 TraceCheckUtils]: 73: Hoare triple {6618#false} assume 1 != ~lk3~0; {6618#false} is VALID [2020-07-18 05:06:27,791 INFO L280 TraceCheckUtils]: 74: Hoare triple {6618#false} assume !false; {6618#false} is VALID [2020-07-18 05:06:27,795 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 05:06:27,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192303325] [2020-07-18 05:06:27,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:27,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:27,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554830472] [2020-07-18 05:06:27,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-18 05:06:27,798 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:27,798 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:27,873 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:27,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:27,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:27,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:27,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:27,874 INFO L87 Difference]: Start difference. First operand 295 states and 398 transitions. Second operand 3 states. [2020-07-18 05:06:28,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:28,888 INFO L93 Difference]: Finished difference Result 783 states and 1088 transitions. [2020-07-18 05:06:28,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:28,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-18 05:06:28,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:28,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 323 transitions. [2020-07-18 05:06:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:28,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 323 transitions. [2020-07-18 05:06:28,898 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 323 transitions. [2020-07-18 05:06:29,203 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 323 edges. 323 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:29,221 INFO L225 Difference]: With dead ends: 783 [2020-07-18 05:06:29,221 INFO L226 Difference]: Without dead ends: 533 [2020-07-18 05:06:29,224 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 05:06:29,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-07-18 05:06:29,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531. [2020-07-18 05:06:29,851 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:29,851 INFO L82 GeneralOperation]: Start isEquivalent. First operand 533 states. Second operand 531 states. [2020-07-18 05:06:29,851 INFO L74 IsIncluded]: Start isIncluded. First operand 533 states. Second operand 531 states. [2020-07-18 05:06:29,852 INFO L87 Difference]: Start difference. First operand 533 states. Second operand 531 states. [2020-07-18 05:06:29,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:29,874 INFO L93 Difference]: Finished difference Result 533 states and 727 transitions. [2020-07-18 05:06:29,874 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 727 transitions. [2020-07-18 05:06:29,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:29,876 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:29,876 INFO L74 IsIncluded]: Start isIncluded. First operand 531 states. Second operand 533 states. [2020-07-18 05:06:29,876 INFO L87 Difference]: Start difference. First operand 531 states. Second operand 533 states. [2020-07-18 05:06:29,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:29,898 INFO L93 Difference]: Finished difference Result 533 states and 727 transitions. [2020-07-18 05:06:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 727 transitions. [2020-07-18 05:06:29,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:29,900 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:29,900 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:29,900 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-07-18 05:06:29,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 726 transitions. [2020-07-18 05:06:29,921 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 726 transitions. Word has length 75 [2020-07-18 05:06:29,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:29,921 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 726 transitions. [2020-07-18 05:06:29,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:29,921 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 531 states and 726 transitions. [2020-07-18 05:06:30,733 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 726 edges. 726 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:30,734 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 726 transitions. [2020-07-18 05:06:30,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-18 05:06:30,735 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:30,736 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] [2020-07-18 05:06:30,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-18 05:06:30,736 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:30,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:30,737 INFO L82 PathProgramCache]: Analyzing trace with hash 72930056, now seen corresponding path program 1 times [2020-07-18 05:06:30,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:30,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461826032] [2020-07-18 05:06:30,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:30,810 INFO L280 TraceCheckUtils]: 0: Hoare triple {10318#true} assume true; {10318#true} is VALID [2020-07-18 05:06:30,810 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {10318#true} {10318#true} #271#return; {10318#true} is VALID [2020-07-18 05:06:30,810 INFO L263 TraceCheckUtils]: 0: Hoare triple {10318#true} call ULTIMATE.init(); {10318#true} is VALID [2020-07-18 05:06:30,811 INFO L280 TraceCheckUtils]: 1: Hoare triple {10318#true} assume true; {10318#true} is VALID [2020-07-18 05:06:30,811 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {10318#true} {10318#true} #271#return; {10318#true} is VALID [2020-07-18 05:06:30,811 INFO L263 TraceCheckUtils]: 3: Hoare triple {10318#true} call #t~ret11 := main(); {10318#true} is VALID [2020-07-18 05:06:30,811 INFO L280 TraceCheckUtils]: 4: Hoare triple {10318#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {10318#true} is VALID [2020-07-18 05:06:30,812 INFO L280 TraceCheckUtils]: 5: Hoare triple {10318#true} ~p1~0 := #t~nondet0; {10318#true} is VALID [2020-07-18 05:06:30,812 INFO L280 TraceCheckUtils]: 6: Hoare triple {10318#true} havoc #t~nondet0; {10318#true} is VALID [2020-07-18 05:06:30,812 INFO L280 TraceCheckUtils]: 7: Hoare triple {10318#true} havoc ~lk1~0; {10318#true} is VALID [2020-07-18 05:06:30,813 INFO L280 TraceCheckUtils]: 8: Hoare triple {10318#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10318#true} is VALID [2020-07-18 05:06:30,813 INFO L280 TraceCheckUtils]: 9: Hoare triple {10318#true} ~p2~0 := #t~nondet1; {10318#true} is VALID [2020-07-18 05:06:30,813 INFO L280 TraceCheckUtils]: 10: Hoare triple {10318#true} havoc #t~nondet1; {10318#true} is VALID [2020-07-18 05:06:30,813 INFO L280 TraceCheckUtils]: 11: Hoare triple {10318#true} havoc ~lk2~0; {10318#true} is VALID [2020-07-18 05:06:30,814 INFO L280 TraceCheckUtils]: 12: Hoare triple {10318#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {10318#true} is VALID [2020-07-18 05:06:30,814 INFO L280 TraceCheckUtils]: 13: Hoare triple {10318#true} ~p3~0 := #t~nondet2; {10318#true} is VALID [2020-07-18 05:06:30,814 INFO L280 TraceCheckUtils]: 14: Hoare triple {10318#true} havoc #t~nondet2; {10318#true} is VALID [2020-07-18 05:06:30,814 INFO L280 TraceCheckUtils]: 15: Hoare triple {10318#true} havoc ~lk3~0; {10318#true} is VALID [2020-07-18 05:06:30,815 INFO L280 TraceCheckUtils]: 16: Hoare triple {10318#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10318#true} is VALID [2020-07-18 05:06:30,815 INFO L280 TraceCheckUtils]: 17: Hoare triple {10318#true} ~p4~0 := #t~nondet3; {10318#true} is VALID [2020-07-18 05:06:30,815 INFO L280 TraceCheckUtils]: 18: Hoare triple {10318#true} havoc #t~nondet3; {10318#true} is VALID [2020-07-18 05:06:30,815 INFO L280 TraceCheckUtils]: 19: Hoare triple {10318#true} havoc ~lk4~0; {10318#true} is VALID [2020-07-18 05:06:30,816 INFO L280 TraceCheckUtils]: 20: Hoare triple {10318#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {10318#true} is VALID [2020-07-18 05:06:30,816 INFO L280 TraceCheckUtils]: 21: Hoare triple {10318#true} ~p5~0 := #t~nondet4; {10318#true} is VALID [2020-07-18 05:06:30,816 INFO L280 TraceCheckUtils]: 22: Hoare triple {10318#true} havoc #t~nondet4; {10318#true} is VALID [2020-07-18 05:06:30,816 INFO L280 TraceCheckUtils]: 23: Hoare triple {10318#true} havoc ~lk5~0; {10318#true} is VALID [2020-07-18 05:06:30,817 INFO L280 TraceCheckUtils]: 24: Hoare triple {10318#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {10318#true} is VALID [2020-07-18 05:06:30,817 INFO L280 TraceCheckUtils]: 25: Hoare triple {10318#true} ~p6~0 := #t~nondet5; {10318#true} is VALID [2020-07-18 05:06:30,817 INFO L280 TraceCheckUtils]: 26: Hoare triple {10318#true} havoc #t~nondet5; {10318#true} is VALID [2020-07-18 05:06:30,817 INFO L280 TraceCheckUtils]: 27: Hoare triple {10318#true} havoc ~lk6~0; {10318#true} is VALID [2020-07-18 05:06:30,818 INFO L280 TraceCheckUtils]: 28: Hoare triple {10318#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {10318#true} is VALID [2020-07-18 05:06:30,818 INFO L280 TraceCheckUtils]: 29: Hoare triple {10318#true} ~p7~0 := #t~nondet6; {10318#true} is VALID [2020-07-18 05:06:30,818 INFO L280 TraceCheckUtils]: 30: Hoare triple {10318#true} havoc #t~nondet6; {10318#true} is VALID [2020-07-18 05:06:30,819 INFO L280 TraceCheckUtils]: 31: Hoare triple {10318#true} havoc ~lk7~0; {10318#true} is VALID [2020-07-18 05:06:30,819 INFO L280 TraceCheckUtils]: 32: Hoare triple {10318#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {10318#true} is VALID [2020-07-18 05:06:30,819 INFO L280 TraceCheckUtils]: 33: Hoare triple {10318#true} ~p8~0 := #t~nondet7; {10318#true} is VALID [2020-07-18 05:06:30,819 INFO L280 TraceCheckUtils]: 34: Hoare triple {10318#true} havoc #t~nondet7; {10318#true} is VALID [2020-07-18 05:06:30,820 INFO L280 TraceCheckUtils]: 35: Hoare triple {10318#true} havoc ~lk8~0; {10318#true} is VALID [2020-07-18 05:06:30,820 INFO L280 TraceCheckUtils]: 36: Hoare triple {10318#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {10318#true} is VALID [2020-07-18 05:06:30,820 INFO L280 TraceCheckUtils]: 37: Hoare triple {10318#true} ~p9~0 := #t~nondet8; {10318#true} is VALID [2020-07-18 05:06:30,820 INFO L280 TraceCheckUtils]: 38: Hoare triple {10318#true} havoc #t~nondet8; {10318#true} is VALID [2020-07-18 05:06:30,821 INFO L280 TraceCheckUtils]: 39: Hoare triple {10318#true} havoc ~lk9~0; {10318#true} is VALID [2020-07-18 05:06:30,821 INFO L280 TraceCheckUtils]: 40: Hoare triple {10318#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {10318#true} is VALID [2020-07-18 05:06:30,821 INFO L280 TraceCheckUtils]: 41: Hoare triple {10318#true} ~p10~0 := #t~nondet9; {10318#true} is VALID [2020-07-18 05:06:30,821 INFO L280 TraceCheckUtils]: 42: Hoare triple {10318#true} havoc #t~nondet9; {10318#true} is VALID [2020-07-18 05:06:30,822 INFO L280 TraceCheckUtils]: 43: Hoare triple {10318#true} havoc ~lk10~0; {10318#true} is VALID [2020-07-18 05:06:30,822 INFO L280 TraceCheckUtils]: 44: Hoare triple {10318#true} havoc ~cond~0; {10318#true} is VALID [2020-07-18 05:06:30,822 INFO L280 TraceCheckUtils]: 45: Hoare triple {10318#true} assume !false; {10318#true} is VALID [2020-07-18 05:06:30,822 INFO L280 TraceCheckUtils]: 46: Hoare triple {10318#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {10318#true} is VALID [2020-07-18 05:06:30,823 INFO L280 TraceCheckUtils]: 47: Hoare triple {10318#true} ~cond~0 := #t~nondet10; {10318#true} is VALID [2020-07-18 05:06:30,823 INFO L280 TraceCheckUtils]: 48: Hoare triple {10318#true} havoc #t~nondet10; {10318#true} is VALID [2020-07-18 05:06:30,823 INFO L280 TraceCheckUtils]: 49: Hoare triple {10318#true} assume !(0 == ~cond~0); {10318#true} is VALID [2020-07-18 05:06:30,823 INFO L280 TraceCheckUtils]: 50: Hoare triple {10318#true} ~lk1~0 := 0; {10318#true} is VALID [2020-07-18 05:06:30,824 INFO L280 TraceCheckUtils]: 51: Hoare triple {10318#true} ~lk2~0 := 0; {10318#true} is VALID [2020-07-18 05:06:30,824 INFO L280 TraceCheckUtils]: 52: Hoare triple {10318#true} ~lk3~0 := 0; {10318#true} is VALID [2020-07-18 05:06:30,824 INFO L280 TraceCheckUtils]: 53: Hoare triple {10318#true} ~lk4~0 := 0; {10318#true} is VALID [2020-07-18 05:06:30,824 INFO L280 TraceCheckUtils]: 54: Hoare triple {10318#true} ~lk5~0 := 0; {10318#true} is VALID [2020-07-18 05:06:30,825 INFO L280 TraceCheckUtils]: 55: Hoare triple {10318#true} ~lk6~0 := 0; {10318#true} is VALID [2020-07-18 05:06:30,825 INFO L280 TraceCheckUtils]: 56: Hoare triple {10318#true} ~lk7~0 := 0; {10318#true} is VALID [2020-07-18 05:06:30,825 INFO L280 TraceCheckUtils]: 57: Hoare triple {10318#true} ~lk8~0 := 0; {10318#true} is VALID [2020-07-18 05:06:30,825 INFO L280 TraceCheckUtils]: 58: Hoare triple {10318#true} ~lk9~0 := 0; {10318#true} is VALID [2020-07-18 05:06:30,826 INFO L280 TraceCheckUtils]: 59: Hoare triple {10318#true} ~lk10~0 := 0; {10318#true} is VALID [2020-07-18 05:06:30,826 INFO L280 TraceCheckUtils]: 60: Hoare triple {10318#true} assume !(0 != ~p1~0); {10318#true} is VALID [2020-07-18 05:06:30,826 INFO L280 TraceCheckUtils]: 61: Hoare triple {10318#true} assume !(0 != ~p2~0); {10318#true} is VALID [2020-07-18 05:06:30,826 INFO L280 TraceCheckUtils]: 62: Hoare triple {10318#true} assume 0 != ~p3~0; {10318#true} is VALID [2020-07-18 05:06:30,827 INFO L280 TraceCheckUtils]: 63: Hoare triple {10318#true} ~lk3~0 := 1; {10322#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:30,829 INFO L280 TraceCheckUtils]: 64: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p4~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:30,830 INFO L280 TraceCheckUtils]: 65: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p5~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:30,831 INFO L280 TraceCheckUtils]: 66: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p6~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:30,832 INFO L280 TraceCheckUtils]: 67: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p7~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:30,832 INFO L280 TraceCheckUtils]: 68: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p8~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:30,833 INFO L280 TraceCheckUtils]: 69: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p9~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:30,834 INFO L280 TraceCheckUtils]: 70: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p10~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:30,834 INFO L280 TraceCheckUtils]: 71: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p1~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:30,835 INFO L280 TraceCheckUtils]: 72: Hoare triple {10322#(= 1 main_~lk3~0)} assume !(0 != ~p2~0); {10322#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:30,835 INFO L280 TraceCheckUtils]: 73: Hoare triple {10322#(= 1 main_~lk3~0)} assume 0 != ~p3~0; {10322#(= 1 main_~lk3~0)} is VALID [2020-07-18 05:06:30,836 INFO L280 TraceCheckUtils]: 74: Hoare triple {10322#(= 1 main_~lk3~0)} assume 1 != ~lk3~0; {10319#false} is VALID [2020-07-18 05:06:30,836 INFO L280 TraceCheckUtils]: 75: Hoare triple {10319#false} assume !false; {10319#false} is VALID [2020-07-18 05:06:30,841 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 05:06:30,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461826032] [2020-07-18 05:06:30,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:30,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:30,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463986143] [2020-07-18 05:06:30,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-07-18 05:06:30,843 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:30,844 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:30,922 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:30,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:30,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:30,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:30,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:30,924 INFO L87 Difference]: Start difference. First operand 531 states and 726 transitions. Second operand 3 states. [2020-07-18 05:06:32,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:32,121 INFO L93 Difference]: Finished difference Result 651 states and 900 transitions. [2020-07-18 05:06:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:32,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-07-18 05:06:32,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2020-07-18 05:06:32,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:32,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2020-07-18 05:06:32,131 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 214 transitions. [2020-07-18 05:06:32,312 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 214 edges. 214 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:32,340 INFO L225 Difference]: With dead ends: 651 [2020-07-18 05:06:32,341 INFO L226 Difference]: Without dead ends: 649 [2020-07-18 05:06:32,342 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 05:06:32,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-07-18 05:06:33,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 531. [2020-07-18 05:06:33,023 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:33,023 INFO L82 GeneralOperation]: Start isEquivalent. First operand 649 states. Second operand 531 states. [2020-07-18 05:06:33,023 INFO L74 IsIncluded]: Start isIncluded. First operand 649 states. Second operand 531 states. [2020-07-18 05:06:33,023 INFO L87 Difference]: Start difference. First operand 649 states. Second operand 531 states. [2020-07-18 05:06:33,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:33,054 INFO L93 Difference]: Finished difference Result 649 states and 895 transitions. [2020-07-18 05:06:33,054 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 895 transitions. [2020-07-18 05:06:33,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:33,056 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:33,056 INFO L74 IsIncluded]: Start isIncluded. First operand 531 states. Second operand 649 states. [2020-07-18 05:06:33,057 INFO L87 Difference]: Start difference. First operand 531 states. Second operand 649 states. [2020-07-18 05:06:33,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:33,087 INFO L93 Difference]: Finished difference Result 649 states and 895 transitions. [2020-07-18 05:06:33,088 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 895 transitions. [2020-07-18 05:06:33,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:33,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:33,089 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:33,090 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:33,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-07-18 05:06:33,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 722 transitions. [2020-07-18 05:06:33,114 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 722 transitions. Word has length 76 [2020-07-18 05:06:33,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:33,115 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 722 transitions. [2020-07-18 05:06:33,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:33,115 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 531 states and 722 transitions. [2020-07-18 05:06:33,969 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 722 edges. 722 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 722 transitions. [2020-07-18 05:06:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-18 05:06:33,971 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:33,971 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] [2020-07-18 05:06:33,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-18 05:06:33,972 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:33,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:33,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1864872322, now seen corresponding path program 1 times [2020-07-18 05:06:33,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:33,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1809829944] [2020-07-18 05:06:33,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:34,055 INFO L280 TraceCheckUtils]: 0: Hoare triple {13987#true} assume true; {13987#true} is VALID [2020-07-18 05:06:34,055 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {13987#true} {13987#true} #271#return; {13987#true} is VALID [2020-07-18 05:06:34,055 INFO L263 TraceCheckUtils]: 0: Hoare triple {13987#true} call ULTIMATE.init(); {13987#true} is VALID [2020-07-18 05:06:34,056 INFO L280 TraceCheckUtils]: 1: Hoare triple {13987#true} assume true; {13987#true} is VALID [2020-07-18 05:06:34,056 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {13987#true} {13987#true} #271#return; {13987#true} is VALID [2020-07-18 05:06:34,056 INFO L263 TraceCheckUtils]: 3: Hoare triple {13987#true} call #t~ret11 := main(); {13987#true} is VALID [2020-07-18 05:06:34,056 INFO L280 TraceCheckUtils]: 4: Hoare triple {13987#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {13987#true} is VALID [2020-07-18 05:06:34,056 INFO L280 TraceCheckUtils]: 5: Hoare triple {13987#true} ~p1~0 := #t~nondet0; {13987#true} is VALID [2020-07-18 05:06:34,057 INFO L280 TraceCheckUtils]: 6: Hoare triple {13987#true} havoc #t~nondet0; {13987#true} is VALID [2020-07-18 05:06:34,057 INFO L280 TraceCheckUtils]: 7: Hoare triple {13987#true} havoc ~lk1~0; {13987#true} is VALID [2020-07-18 05:06:34,057 INFO L280 TraceCheckUtils]: 8: Hoare triple {13987#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {13987#true} is VALID [2020-07-18 05:06:34,057 INFO L280 TraceCheckUtils]: 9: Hoare triple {13987#true} ~p2~0 := #t~nondet1; {13987#true} is VALID [2020-07-18 05:06:34,057 INFO L280 TraceCheckUtils]: 10: Hoare triple {13987#true} havoc #t~nondet1; {13987#true} is VALID [2020-07-18 05:06:34,057 INFO L280 TraceCheckUtils]: 11: Hoare triple {13987#true} havoc ~lk2~0; {13987#true} is VALID [2020-07-18 05:06:34,058 INFO L280 TraceCheckUtils]: 12: Hoare triple {13987#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {13987#true} is VALID [2020-07-18 05:06:34,058 INFO L280 TraceCheckUtils]: 13: Hoare triple {13987#true} ~p3~0 := #t~nondet2; {13987#true} is VALID [2020-07-18 05:06:34,058 INFO L280 TraceCheckUtils]: 14: Hoare triple {13987#true} havoc #t~nondet2; {13987#true} is VALID [2020-07-18 05:06:34,058 INFO L280 TraceCheckUtils]: 15: Hoare triple {13987#true} havoc ~lk3~0; {13987#true} is VALID [2020-07-18 05:06:34,058 INFO L280 TraceCheckUtils]: 16: Hoare triple {13987#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {13987#true} is VALID [2020-07-18 05:06:34,058 INFO L280 TraceCheckUtils]: 17: Hoare triple {13987#true} ~p4~0 := #t~nondet3; {13987#true} is VALID [2020-07-18 05:06:34,058 INFO L280 TraceCheckUtils]: 18: Hoare triple {13987#true} havoc #t~nondet3; {13987#true} is VALID [2020-07-18 05:06:34,059 INFO L280 TraceCheckUtils]: 19: Hoare triple {13987#true} havoc ~lk4~0; {13987#true} is VALID [2020-07-18 05:06:34,059 INFO L280 TraceCheckUtils]: 20: Hoare triple {13987#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {13987#true} is VALID [2020-07-18 05:06:34,059 INFO L280 TraceCheckUtils]: 21: Hoare triple {13987#true} ~p5~0 := #t~nondet4; {13987#true} is VALID [2020-07-18 05:06:34,059 INFO L280 TraceCheckUtils]: 22: Hoare triple {13987#true} havoc #t~nondet4; {13987#true} is VALID [2020-07-18 05:06:34,059 INFO L280 TraceCheckUtils]: 23: Hoare triple {13987#true} havoc ~lk5~0; {13987#true} is VALID [2020-07-18 05:06:34,059 INFO L280 TraceCheckUtils]: 24: Hoare triple {13987#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {13987#true} is VALID [2020-07-18 05:06:34,059 INFO L280 TraceCheckUtils]: 25: Hoare triple {13987#true} ~p6~0 := #t~nondet5; {13987#true} is VALID [2020-07-18 05:06:34,060 INFO L280 TraceCheckUtils]: 26: Hoare triple {13987#true} havoc #t~nondet5; {13987#true} is VALID [2020-07-18 05:06:34,060 INFO L280 TraceCheckUtils]: 27: Hoare triple {13987#true} havoc ~lk6~0; {13987#true} is VALID [2020-07-18 05:06:34,060 INFO L280 TraceCheckUtils]: 28: Hoare triple {13987#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {13987#true} is VALID [2020-07-18 05:06:34,060 INFO L280 TraceCheckUtils]: 29: Hoare triple {13987#true} ~p7~0 := #t~nondet6; {13987#true} is VALID [2020-07-18 05:06:34,060 INFO L280 TraceCheckUtils]: 30: Hoare triple {13987#true} havoc #t~nondet6; {13987#true} is VALID [2020-07-18 05:06:34,060 INFO L280 TraceCheckUtils]: 31: Hoare triple {13987#true} havoc ~lk7~0; {13987#true} is VALID [2020-07-18 05:06:34,060 INFO L280 TraceCheckUtils]: 32: Hoare triple {13987#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {13987#true} is VALID [2020-07-18 05:06:34,061 INFO L280 TraceCheckUtils]: 33: Hoare triple {13987#true} ~p8~0 := #t~nondet7; {13987#true} is VALID [2020-07-18 05:06:34,061 INFO L280 TraceCheckUtils]: 34: Hoare triple {13987#true} havoc #t~nondet7; {13987#true} is VALID [2020-07-18 05:06:34,061 INFO L280 TraceCheckUtils]: 35: Hoare triple {13987#true} havoc ~lk8~0; {13987#true} is VALID [2020-07-18 05:06:34,061 INFO L280 TraceCheckUtils]: 36: Hoare triple {13987#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {13987#true} is VALID [2020-07-18 05:06:34,061 INFO L280 TraceCheckUtils]: 37: Hoare triple {13987#true} ~p9~0 := #t~nondet8; {13987#true} is VALID [2020-07-18 05:06:34,061 INFO L280 TraceCheckUtils]: 38: Hoare triple {13987#true} havoc #t~nondet8; {13987#true} is VALID [2020-07-18 05:06:34,061 INFO L280 TraceCheckUtils]: 39: Hoare triple {13987#true} havoc ~lk9~0; {13987#true} is VALID [2020-07-18 05:06:34,062 INFO L280 TraceCheckUtils]: 40: Hoare triple {13987#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {13987#true} is VALID [2020-07-18 05:06:34,062 INFO L280 TraceCheckUtils]: 41: Hoare triple {13987#true} ~p10~0 := #t~nondet9; {13987#true} is VALID [2020-07-18 05:06:34,062 INFO L280 TraceCheckUtils]: 42: Hoare triple {13987#true} havoc #t~nondet9; {13987#true} is VALID [2020-07-18 05:06:34,062 INFO L280 TraceCheckUtils]: 43: Hoare triple {13987#true} havoc ~lk10~0; {13987#true} is VALID [2020-07-18 05:06:34,062 INFO L280 TraceCheckUtils]: 44: Hoare triple {13987#true} havoc ~cond~0; {13987#true} is VALID [2020-07-18 05:06:34,062 INFO L280 TraceCheckUtils]: 45: Hoare triple {13987#true} assume !false; {13987#true} is VALID [2020-07-18 05:06:34,062 INFO L280 TraceCheckUtils]: 46: Hoare triple {13987#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {13987#true} is VALID [2020-07-18 05:06:34,062 INFO L280 TraceCheckUtils]: 47: Hoare triple {13987#true} ~cond~0 := #t~nondet10; {13987#true} is VALID [2020-07-18 05:06:34,063 INFO L280 TraceCheckUtils]: 48: Hoare triple {13987#true} havoc #t~nondet10; {13987#true} is VALID [2020-07-18 05:06:34,063 INFO L280 TraceCheckUtils]: 49: Hoare triple {13987#true} assume !(0 == ~cond~0); {13987#true} is VALID [2020-07-18 05:06:34,068 INFO L280 TraceCheckUtils]: 50: Hoare triple {13987#true} ~lk1~0 := 0; {13987#true} is VALID [2020-07-18 05:06:34,069 INFO L280 TraceCheckUtils]: 51: Hoare triple {13987#true} ~lk2~0 := 0; {13987#true} is VALID [2020-07-18 05:06:34,069 INFO L280 TraceCheckUtils]: 52: Hoare triple {13987#true} ~lk3~0 := 0; {13987#true} is VALID [2020-07-18 05:06:34,069 INFO L280 TraceCheckUtils]: 53: Hoare triple {13987#true} ~lk4~0 := 0; {13987#true} is VALID [2020-07-18 05:06:34,069 INFO L280 TraceCheckUtils]: 54: Hoare triple {13987#true} ~lk5~0 := 0; {13987#true} is VALID [2020-07-18 05:06:34,070 INFO L280 TraceCheckUtils]: 55: Hoare triple {13987#true} ~lk6~0 := 0; {13987#true} is VALID [2020-07-18 05:06:34,070 INFO L280 TraceCheckUtils]: 56: Hoare triple {13987#true} ~lk7~0 := 0; {13987#true} is VALID [2020-07-18 05:06:34,070 INFO L280 TraceCheckUtils]: 57: Hoare triple {13987#true} ~lk8~0 := 0; {13987#true} is VALID [2020-07-18 05:06:34,070 INFO L280 TraceCheckUtils]: 58: Hoare triple {13987#true} ~lk9~0 := 0; {13987#true} is VALID [2020-07-18 05:06:34,070 INFO L280 TraceCheckUtils]: 59: Hoare triple {13987#true} ~lk10~0 := 0; {13987#true} is VALID [2020-07-18 05:06:34,071 INFO L280 TraceCheckUtils]: 60: Hoare triple {13987#true} assume !(0 != ~p1~0); {13987#true} is VALID [2020-07-18 05:06:34,071 INFO L280 TraceCheckUtils]: 61: Hoare triple {13987#true} assume !(0 != ~p2~0); {13987#true} is VALID [2020-07-18 05:06:34,071 INFO L280 TraceCheckUtils]: 62: Hoare triple {13987#true} assume !(0 != ~p3~0); {13987#true} is VALID [2020-07-18 05:06:34,072 INFO L280 TraceCheckUtils]: 63: Hoare triple {13987#true} assume !(0 != ~p4~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:34,072 INFO L280 TraceCheckUtils]: 64: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p5~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:34,073 INFO L280 TraceCheckUtils]: 65: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p6~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:34,073 INFO L280 TraceCheckUtils]: 66: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p7~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:34,074 INFO L280 TraceCheckUtils]: 67: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p8~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:34,074 INFO L280 TraceCheckUtils]: 68: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p9~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:34,075 INFO L280 TraceCheckUtils]: 69: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p10~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:34,075 INFO L280 TraceCheckUtils]: 70: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p1~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:34,076 INFO L280 TraceCheckUtils]: 71: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p2~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:34,077 INFO L280 TraceCheckUtils]: 72: Hoare triple {13991#(= 0 main_~p4~0)} assume !(0 != ~p3~0); {13991#(= 0 main_~p4~0)} is VALID [2020-07-18 05:06:34,077 INFO L280 TraceCheckUtils]: 73: Hoare triple {13991#(= 0 main_~p4~0)} assume 0 != ~p4~0; {13988#false} is VALID [2020-07-18 05:06:34,077 INFO L280 TraceCheckUtils]: 74: Hoare triple {13988#false} assume 1 != ~lk4~0; {13988#false} is VALID [2020-07-18 05:06:34,078 INFO L280 TraceCheckUtils]: 75: Hoare triple {13988#false} assume !false; {13988#false} is VALID [2020-07-18 05:06:34,081 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 05:06:34,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1809829944] [2020-07-18 05:06:34,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:34,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:34,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477981280] [2020-07-18 05:06:34,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-07-18 05:06:34,083 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:34,083 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:34,154 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:34,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:34,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:34,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:34,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:34,156 INFO L87 Difference]: Start difference. First operand 531 states and 722 transitions. Second operand 3 states. [2020-07-18 05:06:36,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:36,269 INFO L93 Difference]: Finished difference Result 1479 states and 2044 transitions. [2020-07-18 05:06:36,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:36,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-07-18 05:06:36,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:36,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2020-07-18 05:06:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:36,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2020-07-18 05:06:36,277 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 320 transitions. [2020-07-18 05:06:36,530 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 320 edges. 320 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:36,594 INFO L225 Difference]: With dead ends: 1479 [2020-07-18 05:06:36,595 INFO L226 Difference]: Without dead ends: 993 [2020-07-18 05:06:36,598 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 05:06:36,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2020-07-18 05:06:38,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 991. [2020-07-18 05:06:38,184 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:38,184 INFO L82 GeneralOperation]: Start isEquivalent. First operand 993 states. Second operand 991 states. [2020-07-18 05:06:38,185 INFO L74 IsIncluded]: Start isIncluded. First operand 993 states. Second operand 991 states. [2020-07-18 05:06:38,185 INFO L87 Difference]: Start difference. First operand 993 states. Second operand 991 states. [2020-07-18 05:06:38,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:38,254 INFO L93 Difference]: Finished difference Result 993 states and 1351 transitions. [2020-07-18 05:06:38,254 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1351 transitions. [2020-07-18 05:06:38,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:38,256 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:38,257 INFO L74 IsIncluded]: Start isIncluded. First operand 991 states. Second operand 993 states. [2020-07-18 05:06:38,257 INFO L87 Difference]: Start difference. First operand 991 states. Second operand 993 states. [2020-07-18 05:06:38,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:38,326 INFO L93 Difference]: Finished difference Result 993 states and 1351 transitions. [2020-07-18 05:06:38,326 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1351 transitions. [2020-07-18 05:06:38,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:38,329 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:38,329 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:38,329 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-07-18 05:06:38,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1350 transitions. [2020-07-18 05:06:38,396 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1350 transitions. Word has length 76 [2020-07-18 05:06:38,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:38,397 INFO L479 AbstractCegarLoop]: Abstraction has 991 states and 1350 transitions. [2020-07-18 05:06:38,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:38,397 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 991 states and 1350 transitions. [2020-07-18 05:06:39,938 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1350 edges. 1350 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1350 transitions. [2020-07-18 05:06:39,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-18 05:06:39,941 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:39,942 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] [2020-07-18 05:06:39,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-18 05:06:39,942 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:39,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:39,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1976712176, now seen corresponding path program 1 times [2020-07-18 05:06:39,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:39,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264438757] [2020-07-18 05:06:39,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:39,988 INFO L280 TraceCheckUtils]: 0: Hoare triple {20920#true} assume true; {20920#true} is VALID [2020-07-18 05:06:39,988 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {20920#true} {20920#true} #271#return; {20920#true} is VALID [2020-07-18 05:06:39,989 INFO L263 TraceCheckUtils]: 0: Hoare triple {20920#true} call ULTIMATE.init(); {20920#true} is VALID [2020-07-18 05:06:39,989 INFO L280 TraceCheckUtils]: 1: Hoare triple {20920#true} assume true; {20920#true} is VALID [2020-07-18 05:06:39,989 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {20920#true} {20920#true} #271#return; {20920#true} is VALID [2020-07-18 05:06:39,989 INFO L263 TraceCheckUtils]: 3: Hoare triple {20920#true} call #t~ret11 := main(); {20920#true} is VALID [2020-07-18 05:06:39,990 INFO L280 TraceCheckUtils]: 4: Hoare triple {20920#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {20920#true} is VALID [2020-07-18 05:06:39,990 INFO L280 TraceCheckUtils]: 5: Hoare triple {20920#true} ~p1~0 := #t~nondet0; {20920#true} is VALID [2020-07-18 05:06:39,990 INFO L280 TraceCheckUtils]: 6: Hoare triple {20920#true} havoc #t~nondet0; {20920#true} is VALID [2020-07-18 05:06:39,990 INFO L280 TraceCheckUtils]: 7: Hoare triple {20920#true} havoc ~lk1~0; {20920#true} is VALID [2020-07-18 05:06:39,990 INFO L280 TraceCheckUtils]: 8: Hoare triple {20920#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {20920#true} is VALID [2020-07-18 05:06:39,990 INFO L280 TraceCheckUtils]: 9: Hoare triple {20920#true} ~p2~0 := #t~nondet1; {20920#true} is VALID [2020-07-18 05:06:39,991 INFO L280 TraceCheckUtils]: 10: Hoare triple {20920#true} havoc #t~nondet1; {20920#true} is VALID [2020-07-18 05:06:39,991 INFO L280 TraceCheckUtils]: 11: Hoare triple {20920#true} havoc ~lk2~0; {20920#true} is VALID [2020-07-18 05:06:39,991 INFO L280 TraceCheckUtils]: 12: Hoare triple {20920#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {20920#true} is VALID [2020-07-18 05:06:39,991 INFO L280 TraceCheckUtils]: 13: Hoare triple {20920#true} ~p3~0 := #t~nondet2; {20920#true} is VALID [2020-07-18 05:06:39,991 INFO L280 TraceCheckUtils]: 14: Hoare triple {20920#true} havoc #t~nondet2; {20920#true} is VALID [2020-07-18 05:06:39,992 INFO L280 TraceCheckUtils]: 15: Hoare triple {20920#true} havoc ~lk3~0; {20920#true} is VALID [2020-07-18 05:06:39,992 INFO L280 TraceCheckUtils]: 16: Hoare triple {20920#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {20920#true} is VALID [2020-07-18 05:06:39,992 INFO L280 TraceCheckUtils]: 17: Hoare triple {20920#true} ~p4~0 := #t~nondet3; {20920#true} is VALID [2020-07-18 05:06:39,992 INFO L280 TraceCheckUtils]: 18: Hoare triple {20920#true} havoc #t~nondet3; {20920#true} is VALID [2020-07-18 05:06:39,992 INFO L280 TraceCheckUtils]: 19: Hoare triple {20920#true} havoc ~lk4~0; {20920#true} is VALID [2020-07-18 05:06:39,992 INFO L280 TraceCheckUtils]: 20: Hoare triple {20920#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {20920#true} is VALID [2020-07-18 05:06:39,993 INFO L280 TraceCheckUtils]: 21: Hoare triple {20920#true} ~p5~0 := #t~nondet4; {20920#true} is VALID [2020-07-18 05:06:39,993 INFO L280 TraceCheckUtils]: 22: Hoare triple {20920#true} havoc #t~nondet4; {20920#true} is VALID [2020-07-18 05:06:39,993 INFO L280 TraceCheckUtils]: 23: Hoare triple {20920#true} havoc ~lk5~0; {20920#true} is VALID [2020-07-18 05:06:39,993 INFO L280 TraceCheckUtils]: 24: Hoare triple {20920#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {20920#true} is VALID [2020-07-18 05:06:39,993 INFO L280 TraceCheckUtils]: 25: Hoare triple {20920#true} ~p6~0 := #t~nondet5; {20920#true} is VALID [2020-07-18 05:06:39,994 INFO L280 TraceCheckUtils]: 26: Hoare triple {20920#true} havoc #t~nondet5; {20920#true} is VALID [2020-07-18 05:06:39,994 INFO L280 TraceCheckUtils]: 27: Hoare triple {20920#true} havoc ~lk6~0; {20920#true} is VALID [2020-07-18 05:06:39,994 INFO L280 TraceCheckUtils]: 28: Hoare triple {20920#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {20920#true} is VALID [2020-07-18 05:06:39,994 INFO L280 TraceCheckUtils]: 29: Hoare triple {20920#true} ~p7~0 := #t~nondet6; {20920#true} is VALID [2020-07-18 05:06:39,994 INFO L280 TraceCheckUtils]: 30: Hoare triple {20920#true} havoc #t~nondet6; {20920#true} is VALID [2020-07-18 05:06:39,994 INFO L280 TraceCheckUtils]: 31: Hoare triple {20920#true} havoc ~lk7~0; {20920#true} is VALID [2020-07-18 05:06:39,995 INFO L280 TraceCheckUtils]: 32: Hoare triple {20920#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {20920#true} is VALID [2020-07-18 05:06:39,995 INFO L280 TraceCheckUtils]: 33: Hoare triple {20920#true} ~p8~0 := #t~nondet7; {20920#true} is VALID [2020-07-18 05:06:39,995 INFO L280 TraceCheckUtils]: 34: Hoare triple {20920#true} havoc #t~nondet7; {20920#true} is VALID [2020-07-18 05:06:39,995 INFO L280 TraceCheckUtils]: 35: Hoare triple {20920#true} havoc ~lk8~0; {20920#true} is VALID [2020-07-18 05:06:39,995 INFO L280 TraceCheckUtils]: 36: Hoare triple {20920#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {20920#true} is VALID [2020-07-18 05:06:39,996 INFO L280 TraceCheckUtils]: 37: Hoare triple {20920#true} ~p9~0 := #t~nondet8; {20920#true} is VALID [2020-07-18 05:06:39,996 INFO L280 TraceCheckUtils]: 38: Hoare triple {20920#true} havoc #t~nondet8; {20920#true} is VALID [2020-07-18 05:06:39,996 INFO L280 TraceCheckUtils]: 39: Hoare triple {20920#true} havoc ~lk9~0; {20920#true} is VALID [2020-07-18 05:06:39,996 INFO L280 TraceCheckUtils]: 40: Hoare triple {20920#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {20920#true} is VALID [2020-07-18 05:06:39,996 INFO L280 TraceCheckUtils]: 41: Hoare triple {20920#true} ~p10~0 := #t~nondet9; {20920#true} is VALID [2020-07-18 05:06:39,997 INFO L280 TraceCheckUtils]: 42: Hoare triple {20920#true} havoc #t~nondet9; {20920#true} is VALID [2020-07-18 05:06:39,997 INFO L280 TraceCheckUtils]: 43: Hoare triple {20920#true} havoc ~lk10~0; {20920#true} is VALID [2020-07-18 05:06:39,997 INFO L280 TraceCheckUtils]: 44: Hoare triple {20920#true} havoc ~cond~0; {20920#true} is VALID [2020-07-18 05:06:39,997 INFO L280 TraceCheckUtils]: 45: Hoare triple {20920#true} assume !false; {20920#true} is VALID [2020-07-18 05:06:39,997 INFO L280 TraceCheckUtils]: 46: Hoare triple {20920#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {20920#true} is VALID [2020-07-18 05:06:39,997 INFO L280 TraceCheckUtils]: 47: Hoare triple {20920#true} ~cond~0 := #t~nondet10; {20920#true} is VALID [2020-07-18 05:06:39,998 INFO L280 TraceCheckUtils]: 48: Hoare triple {20920#true} havoc #t~nondet10; {20920#true} is VALID [2020-07-18 05:06:39,998 INFO L280 TraceCheckUtils]: 49: Hoare triple {20920#true} assume !(0 == ~cond~0); {20920#true} is VALID [2020-07-18 05:06:39,998 INFO L280 TraceCheckUtils]: 50: Hoare triple {20920#true} ~lk1~0 := 0; {20920#true} is VALID [2020-07-18 05:06:39,998 INFO L280 TraceCheckUtils]: 51: Hoare triple {20920#true} ~lk2~0 := 0; {20920#true} is VALID [2020-07-18 05:06:39,998 INFO L280 TraceCheckUtils]: 52: Hoare triple {20920#true} ~lk3~0 := 0; {20920#true} is VALID [2020-07-18 05:06:39,999 INFO L280 TraceCheckUtils]: 53: Hoare triple {20920#true} ~lk4~0 := 0; {20920#true} is VALID [2020-07-18 05:06:39,999 INFO L280 TraceCheckUtils]: 54: Hoare triple {20920#true} ~lk5~0 := 0; {20920#true} is VALID [2020-07-18 05:06:39,999 INFO L280 TraceCheckUtils]: 55: Hoare triple {20920#true} ~lk6~0 := 0; {20920#true} is VALID [2020-07-18 05:06:39,999 INFO L280 TraceCheckUtils]: 56: Hoare triple {20920#true} ~lk7~0 := 0; {20920#true} is VALID [2020-07-18 05:06:39,999 INFO L280 TraceCheckUtils]: 57: Hoare triple {20920#true} ~lk8~0 := 0; {20920#true} is VALID [2020-07-18 05:06:39,999 INFO L280 TraceCheckUtils]: 58: Hoare triple {20920#true} ~lk9~0 := 0; {20920#true} is VALID [2020-07-18 05:06:40,000 INFO L280 TraceCheckUtils]: 59: Hoare triple {20920#true} ~lk10~0 := 0; {20920#true} is VALID [2020-07-18 05:06:40,000 INFO L280 TraceCheckUtils]: 60: Hoare triple {20920#true} assume !(0 != ~p1~0); {20920#true} is VALID [2020-07-18 05:06:40,000 INFO L280 TraceCheckUtils]: 61: Hoare triple {20920#true} assume !(0 != ~p2~0); {20920#true} is VALID [2020-07-18 05:06:40,000 INFO L280 TraceCheckUtils]: 62: Hoare triple {20920#true} assume !(0 != ~p3~0); {20920#true} is VALID [2020-07-18 05:06:40,000 INFO L280 TraceCheckUtils]: 63: Hoare triple {20920#true} assume !(0 != ~p4~0); {20920#true} is VALID [2020-07-18 05:06:40,001 INFO L280 TraceCheckUtils]: 64: Hoare triple {20920#true} assume !(0 != ~p5~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-18 05:06:40,001 INFO L280 TraceCheckUtils]: 65: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p6~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-18 05:06:40,002 INFO L280 TraceCheckUtils]: 66: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p7~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-18 05:06:40,002 INFO L280 TraceCheckUtils]: 67: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p8~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-18 05:06:40,003 INFO L280 TraceCheckUtils]: 68: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p9~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-18 05:06:40,003 INFO L280 TraceCheckUtils]: 69: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p10~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-18 05:06:40,004 INFO L280 TraceCheckUtils]: 70: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p1~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-18 05:06:40,004 INFO L280 TraceCheckUtils]: 71: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p2~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-18 05:06:40,005 INFO L280 TraceCheckUtils]: 72: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p3~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-18 05:06:40,005 INFO L280 TraceCheckUtils]: 73: Hoare triple {20924#(= 0 main_~p5~0)} assume !(0 != ~p4~0); {20924#(= 0 main_~p5~0)} is VALID [2020-07-18 05:06:40,006 INFO L280 TraceCheckUtils]: 74: Hoare triple {20924#(= 0 main_~p5~0)} assume 0 != ~p5~0; {20921#false} is VALID [2020-07-18 05:06:40,006 INFO L280 TraceCheckUtils]: 75: Hoare triple {20921#false} assume 1 != ~lk5~0; {20921#false} is VALID [2020-07-18 05:06:40,006 INFO L280 TraceCheckUtils]: 76: Hoare triple {20921#false} assume !false; {20921#false} is VALID [2020-07-18 05:06:40,009 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 05:06:40,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264438757] [2020-07-18 05:06:40,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:40,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:40,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94914652] [2020-07-18 05:06:40,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-07-18 05:06:40,011 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:40,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:40,084 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:40,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:40,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:40,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:40,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:40,085 INFO L87 Difference]: Start difference. First operand 991 states and 1350 transitions. Second operand 3 states. [2020-07-18 05:06:44,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:44,480 INFO L93 Difference]: Finished difference Result 2835 states and 3896 transitions. [2020-07-18 05:06:44,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:44,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-07-18 05:06:44,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:44,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2020-07-18 05:06:44,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2020-07-18 05:06:44,486 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 320 transitions. [2020-07-18 05:06:44,783 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 320 edges. 320 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:44,916 INFO L225 Difference]: With dead ends: 2835 [2020-07-18 05:06:44,916 INFO L226 Difference]: Without dead ends: 1889 [2020-07-18 05:06:44,918 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 05:06:44,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2020-07-18 05:06:48,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1887. [2020-07-18 05:06:48,464 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:06:48,464 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1889 states. Second operand 1887 states. [2020-07-18 05:06:48,464 INFO L74 IsIncluded]: Start isIncluded. First operand 1889 states. Second operand 1887 states. [2020-07-18 05:06:48,465 INFO L87 Difference]: Start difference. First operand 1889 states. Second operand 1887 states. [2020-07-18 05:06:48,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:48,693 INFO L93 Difference]: Finished difference Result 1889 states and 2559 transitions. [2020-07-18 05:06:48,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2559 transitions. [2020-07-18 05:06:48,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:48,697 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:48,697 INFO L74 IsIncluded]: Start isIncluded. First operand 1887 states. Second operand 1889 states. [2020-07-18 05:06:48,698 INFO L87 Difference]: Start difference. First operand 1887 states. Second operand 1889 states. [2020-07-18 05:06:48,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:48,915 INFO L93 Difference]: Finished difference Result 1889 states and 2559 transitions. [2020-07-18 05:06:48,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2559 transitions. [2020-07-18 05:06:48,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:06:48,919 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:06:48,919 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:06:48,920 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:06:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-07-18 05:06:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2558 transitions. [2020-07-18 05:06:49,204 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2558 transitions. Word has length 77 [2020-07-18 05:06:49,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:06:49,204 INFO L479 AbstractCegarLoop]: Abstraction has 1887 states and 2558 transitions. [2020-07-18 05:06:49,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:06:49,204 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 1887 states and 2558 transitions. [2020-07-18 05:06:52,132 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2558 edges. 2558 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2558 transitions. [2020-07-18 05:06:52,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-18 05:06:52,134 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:06:52,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:06:52,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-18 05:06:52,135 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:06:52,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:06:52,135 INFO L82 PathProgramCache]: Analyzing trace with hash 42218801, now seen corresponding path program 1 times [2020-07-18 05:06:52,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:06:52,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248568621] [2020-07-18 05:06:52,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:06:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:06:52,182 INFO L280 TraceCheckUtils]: 0: Hoare triple {34149#true} assume true; {34149#true} is VALID [2020-07-18 05:06:52,184 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {34149#true} {34149#true} #271#return; {34149#true} is VALID [2020-07-18 05:06:52,184 INFO L263 TraceCheckUtils]: 0: Hoare triple {34149#true} call ULTIMATE.init(); {34149#true} is VALID [2020-07-18 05:06:52,184 INFO L280 TraceCheckUtils]: 1: Hoare triple {34149#true} assume true; {34149#true} is VALID [2020-07-18 05:06:52,184 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {34149#true} {34149#true} #271#return; {34149#true} is VALID [2020-07-18 05:06:52,185 INFO L263 TraceCheckUtils]: 3: Hoare triple {34149#true} call #t~ret11 := main(); {34149#true} is VALID [2020-07-18 05:06:52,185 INFO L280 TraceCheckUtils]: 4: Hoare triple {34149#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {34149#true} is VALID [2020-07-18 05:06:52,185 INFO L280 TraceCheckUtils]: 5: Hoare triple {34149#true} ~p1~0 := #t~nondet0; {34149#true} is VALID [2020-07-18 05:06:52,185 INFO L280 TraceCheckUtils]: 6: Hoare triple {34149#true} havoc #t~nondet0; {34149#true} is VALID [2020-07-18 05:06:52,185 INFO L280 TraceCheckUtils]: 7: Hoare triple {34149#true} havoc ~lk1~0; {34149#true} is VALID [2020-07-18 05:06:52,186 INFO L280 TraceCheckUtils]: 8: Hoare triple {34149#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {34149#true} is VALID [2020-07-18 05:06:52,186 INFO L280 TraceCheckUtils]: 9: Hoare triple {34149#true} ~p2~0 := #t~nondet1; {34149#true} is VALID [2020-07-18 05:06:52,186 INFO L280 TraceCheckUtils]: 10: Hoare triple {34149#true} havoc #t~nondet1; {34149#true} is VALID [2020-07-18 05:06:52,186 INFO L280 TraceCheckUtils]: 11: Hoare triple {34149#true} havoc ~lk2~0; {34149#true} is VALID [2020-07-18 05:06:52,186 INFO L280 TraceCheckUtils]: 12: Hoare triple {34149#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {34149#true} is VALID [2020-07-18 05:06:52,186 INFO L280 TraceCheckUtils]: 13: Hoare triple {34149#true} ~p3~0 := #t~nondet2; {34149#true} is VALID [2020-07-18 05:06:52,187 INFO L280 TraceCheckUtils]: 14: Hoare triple {34149#true} havoc #t~nondet2; {34149#true} is VALID [2020-07-18 05:06:52,187 INFO L280 TraceCheckUtils]: 15: Hoare triple {34149#true} havoc ~lk3~0; {34149#true} is VALID [2020-07-18 05:06:52,187 INFO L280 TraceCheckUtils]: 16: Hoare triple {34149#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {34149#true} is VALID [2020-07-18 05:06:52,187 INFO L280 TraceCheckUtils]: 17: Hoare triple {34149#true} ~p4~0 := #t~nondet3; {34149#true} is VALID [2020-07-18 05:06:52,187 INFO L280 TraceCheckUtils]: 18: Hoare triple {34149#true} havoc #t~nondet3; {34149#true} is VALID [2020-07-18 05:06:52,188 INFO L280 TraceCheckUtils]: 19: Hoare triple {34149#true} havoc ~lk4~0; {34149#true} is VALID [2020-07-18 05:06:52,188 INFO L280 TraceCheckUtils]: 20: Hoare triple {34149#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {34149#true} is VALID [2020-07-18 05:06:52,188 INFO L280 TraceCheckUtils]: 21: Hoare triple {34149#true} ~p5~0 := #t~nondet4; {34149#true} is VALID [2020-07-18 05:06:52,188 INFO L280 TraceCheckUtils]: 22: Hoare triple {34149#true} havoc #t~nondet4; {34149#true} is VALID [2020-07-18 05:06:52,188 INFO L280 TraceCheckUtils]: 23: Hoare triple {34149#true} havoc ~lk5~0; {34149#true} is VALID [2020-07-18 05:06:52,188 INFO L280 TraceCheckUtils]: 24: Hoare triple {34149#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {34149#true} is VALID [2020-07-18 05:06:52,189 INFO L280 TraceCheckUtils]: 25: Hoare triple {34149#true} ~p6~0 := #t~nondet5; {34149#true} is VALID [2020-07-18 05:06:52,189 INFO L280 TraceCheckUtils]: 26: Hoare triple {34149#true} havoc #t~nondet5; {34149#true} is VALID [2020-07-18 05:06:52,189 INFO L280 TraceCheckUtils]: 27: Hoare triple {34149#true} havoc ~lk6~0; {34149#true} is VALID [2020-07-18 05:06:52,192 INFO L280 TraceCheckUtils]: 28: Hoare triple {34149#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {34149#true} is VALID [2020-07-18 05:06:52,192 INFO L280 TraceCheckUtils]: 29: Hoare triple {34149#true} ~p7~0 := #t~nondet6; {34149#true} is VALID [2020-07-18 05:06:52,192 INFO L280 TraceCheckUtils]: 30: Hoare triple {34149#true} havoc #t~nondet6; {34149#true} is VALID [2020-07-18 05:06:52,193 INFO L280 TraceCheckUtils]: 31: Hoare triple {34149#true} havoc ~lk7~0; {34149#true} is VALID [2020-07-18 05:06:52,193 INFO L280 TraceCheckUtils]: 32: Hoare triple {34149#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {34149#true} is VALID [2020-07-18 05:06:52,193 INFO L280 TraceCheckUtils]: 33: Hoare triple {34149#true} ~p8~0 := #t~nondet7; {34149#true} is VALID [2020-07-18 05:06:52,193 INFO L280 TraceCheckUtils]: 34: Hoare triple {34149#true} havoc #t~nondet7; {34149#true} is VALID [2020-07-18 05:06:52,193 INFO L280 TraceCheckUtils]: 35: Hoare triple {34149#true} havoc ~lk8~0; {34149#true} is VALID [2020-07-18 05:06:52,193 INFO L280 TraceCheckUtils]: 36: Hoare triple {34149#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {34149#true} is VALID [2020-07-18 05:06:52,194 INFO L280 TraceCheckUtils]: 37: Hoare triple {34149#true} ~p9~0 := #t~nondet8; {34149#true} is VALID [2020-07-18 05:06:52,194 INFO L280 TraceCheckUtils]: 38: Hoare triple {34149#true} havoc #t~nondet8; {34149#true} is VALID [2020-07-18 05:06:52,194 INFO L280 TraceCheckUtils]: 39: Hoare triple {34149#true} havoc ~lk9~0; {34149#true} is VALID [2020-07-18 05:06:52,194 INFO L280 TraceCheckUtils]: 40: Hoare triple {34149#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {34149#true} is VALID [2020-07-18 05:06:52,194 INFO L280 TraceCheckUtils]: 41: Hoare triple {34149#true} ~p10~0 := #t~nondet9; {34149#true} is VALID [2020-07-18 05:06:52,194 INFO L280 TraceCheckUtils]: 42: Hoare triple {34149#true} havoc #t~nondet9; {34149#true} is VALID [2020-07-18 05:06:52,195 INFO L280 TraceCheckUtils]: 43: Hoare triple {34149#true} havoc ~lk10~0; {34149#true} is VALID [2020-07-18 05:06:52,195 INFO L280 TraceCheckUtils]: 44: Hoare triple {34149#true} havoc ~cond~0; {34149#true} is VALID [2020-07-18 05:06:52,195 INFO L280 TraceCheckUtils]: 45: Hoare triple {34149#true} assume !false; {34149#true} is VALID [2020-07-18 05:06:52,195 INFO L280 TraceCheckUtils]: 46: Hoare triple {34149#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {34149#true} is VALID [2020-07-18 05:06:52,195 INFO L280 TraceCheckUtils]: 47: Hoare triple {34149#true} ~cond~0 := #t~nondet10; {34149#true} is VALID [2020-07-18 05:06:52,196 INFO L280 TraceCheckUtils]: 48: Hoare triple {34149#true} havoc #t~nondet10; {34149#true} is VALID [2020-07-18 05:06:52,196 INFO L280 TraceCheckUtils]: 49: Hoare triple {34149#true} assume !(0 == ~cond~0); {34149#true} is VALID [2020-07-18 05:06:52,196 INFO L280 TraceCheckUtils]: 50: Hoare triple {34149#true} ~lk1~0 := 0; {34149#true} is VALID [2020-07-18 05:06:52,196 INFO L280 TraceCheckUtils]: 51: Hoare triple {34149#true} ~lk2~0 := 0; {34149#true} is VALID [2020-07-18 05:06:52,196 INFO L280 TraceCheckUtils]: 52: Hoare triple {34149#true} ~lk3~0 := 0; {34149#true} is VALID [2020-07-18 05:06:52,196 INFO L280 TraceCheckUtils]: 53: Hoare triple {34149#true} ~lk4~0 := 0; {34149#true} is VALID [2020-07-18 05:06:52,197 INFO L280 TraceCheckUtils]: 54: Hoare triple {34149#true} ~lk5~0 := 0; {34149#true} is VALID [2020-07-18 05:06:52,197 INFO L280 TraceCheckUtils]: 55: Hoare triple {34149#true} ~lk6~0 := 0; {34149#true} is VALID [2020-07-18 05:06:52,197 INFO L280 TraceCheckUtils]: 56: Hoare triple {34149#true} ~lk7~0 := 0; {34149#true} is VALID [2020-07-18 05:06:52,197 INFO L280 TraceCheckUtils]: 57: Hoare triple {34149#true} ~lk8~0 := 0; {34149#true} is VALID [2020-07-18 05:06:52,197 INFO L280 TraceCheckUtils]: 58: Hoare triple {34149#true} ~lk9~0 := 0; {34149#true} is VALID [2020-07-18 05:06:52,197 INFO L280 TraceCheckUtils]: 59: Hoare triple {34149#true} ~lk10~0 := 0; {34149#true} is VALID [2020-07-18 05:06:52,198 INFO L280 TraceCheckUtils]: 60: Hoare triple {34149#true} assume !(0 != ~p1~0); {34149#true} is VALID [2020-07-18 05:06:52,198 INFO L280 TraceCheckUtils]: 61: Hoare triple {34149#true} assume !(0 != ~p2~0); {34149#true} is VALID [2020-07-18 05:06:52,198 INFO L280 TraceCheckUtils]: 62: Hoare triple {34149#true} assume !(0 != ~p3~0); {34149#true} is VALID [2020-07-18 05:06:52,198 INFO L280 TraceCheckUtils]: 63: Hoare triple {34149#true} assume 0 != ~p4~0; {34149#true} is VALID [2020-07-18 05:06:52,199 INFO L280 TraceCheckUtils]: 64: Hoare triple {34149#true} ~lk4~0 := 1; {34153#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:52,200 INFO L280 TraceCheckUtils]: 65: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p5~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:52,200 INFO L280 TraceCheckUtils]: 66: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p6~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:52,201 INFO L280 TraceCheckUtils]: 67: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p7~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:52,201 INFO L280 TraceCheckUtils]: 68: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p8~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:52,202 INFO L280 TraceCheckUtils]: 69: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p9~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:52,202 INFO L280 TraceCheckUtils]: 70: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p10~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:52,203 INFO L280 TraceCheckUtils]: 71: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p1~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:52,203 INFO L280 TraceCheckUtils]: 72: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p2~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:52,204 INFO L280 TraceCheckUtils]: 73: Hoare triple {34153#(= 1 main_~lk4~0)} assume !(0 != ~p3~0); {34153#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:52,204 INFO L280 TraceCheckUtils]: 74: Hoare triple {34153#(= 1 main_~lk4~0)} assume 0 != ~p4~0; {34153#(= 1 main_~lk4~0)} is VALID [2020-07-18 05:06:52,205 INFO L280 TraceCheckUtils]: 75: Hoare triple {34153#(= 1 main_~lk4~0)} assume 1 != ~lk4~0; {34150#false} is VALID [2020-07-18 05:06:52,205 INFO L280 TraceCheckUtils]: 76: Hoare triple {34150#false} assume !false; {34150#false} is VALID [2020-07-18 05:06:52,209 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 05:06:52,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248568621] [2020-07-18 05:06:52,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:06:52,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:06:52,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871001474] [2020-07-18 05:06:52,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-07-18 05:06:52,211 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:06:52,213 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:06:52,279 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:52,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:06:52,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:06:52,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:06:52,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:06:52,280 INFO L87 Difference]: Start difference. First operand 1887 states and 2558 transitions. Second operand 3 states. [2020-07-18 05:06:57,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:06:57,530 INFO L93 Difference]: Finished difference Result 2307 states and 3152 transitions. [2020-07-18 05:06:57,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:06:57,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-07-18 05:06:57,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:06:57,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2020-07-18 05:06:57,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:06:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2020-07-18 05:06:57,534 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 210 transitions. [2020-07-18 05:06:57,692 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 210 edges. 210 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:06:57,899 INFO L225 Difference]: With dead ends: 2307 [2020-07-18 05:06:57,899 INFO L226 Difference]: Without dead ends: 2305 [2020-07-18 05:06:57,900 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 05:06:57,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2305 states. [2020-07-18 05:07:01,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2305 to 1887. [2020-07-18 05:07:01,796 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:07:01,796 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2305 states. Second operand 1887 states. [2020-07-18 05:07:01,796 INFO L74 IsIncluded]: Start isIncluded. First operand 2305 states. Second operand 1887 states. [2020-07-18 05:07:01,796 INFO L87 Difference]: Start difference. First operand 2305 states. Second operand 1887 states. [2020-07-18 05:07:01,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:01,979 INFO L93 Difference]: Finished difference Result 2305 states and 3135 transitions. [2020-07-18 05:07:01,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 3135 transitions. [2020-07-18 05:07:01,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:01,983 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:01,983 INFO L74 IsIncluded]: Start isIncluded. First operand 1887 states. Second operand 2305 states. [2020-07-18 05:07:01,983 INFO L87 Difference]: Start difference. First operand 1887 states. Second operand 2305 states. [2020-07-18 05:07:02,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:02,176 INFO L93 Difference]: Finished difference Result 2305 states and 3135 transitions. [2020-07-18 05:07:02,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 3135 transitions. [2020-07-18 05:07:02,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:02,178 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:02,178 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:07:02,178 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:07:02,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-07-18 05:07:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2542 transitions. [2020-07-18 05:07:02,315 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2542 transitions. Word has length 77 [2020-07-18 05:07:02,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:07:02,316 INFO L479 AbstractCegarLoop]: Abstraction has 1887 states and 2542 transitions. [2020-07-18 05:07:02,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:07:02,316 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 1887 states and 2542 transitions. [2020-07-18 05:07:05,449 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2542 edges. 2542 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:05,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2542 transitions. [2020-07-18 05:07:05,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-18 05:07:05,451 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:07:05,451 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] [2020-07-18 05:07:05,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-18 05:07:05,451 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:07:05,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:07:05,452 INFO L82 PathProgramCache]: Analyzing trace with hash -909829732, now seen corresponding path program 1 times [2020-07-18 05:07:05,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:07:05,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1306584696] [2020-07-18 05:07:05,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:07:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:07:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:07:05,528 INFO L280 TraceCheckUtils]: 0: Hoare triple {47154#true} assume true; {47154#true} is VALID [2020-07-18 05:07:05,528 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {47154#true} {47154#true} #271#return; {47154#true} is VALID [2020-07-18 05:07:05,529 INFO L263 TraceCheckUtils]: 0: Hoare triple {47154#true} call ULTIMATE.init(); {47154#true} is VALID [2020-07-18 05:07:05,529 INFO L280 TraceCheckUtils]: 1: Hoare triple {47154#true} assume true; {47154#true} is VALID [2020-07-18 05:07:05,529 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {47154#true} {47154#true} #271#return; {47154#true} is VALID [2020-07-18 05:07:05,529 INFO L263 TraceCheckUtils]: 3: Hoare triple {47154#true} call #t~ret11 := main(); {47154#true} is VALID [2020-07-18 05:07:05,529 INFO L280 TraceCheckUtils]: 4: Hoare triple {47154#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {47154#true} is VALID [2020-07-18 05:07:05,529 INFO L280 TraceCheckUtils]: 5: Hoare triple {47154#true} ~p1~0 := #t~nondet0; {47154#true} is VALID [2020-07-18 05:07:05,530 INFO L280 TraceCheckUtils]: 6: Hoare triple {47154#true} havoc #t~nondet0; {47154#true} is VALID [2020-07-18 05:07:05,530 INFO L280 TraceCheckUtils]: 7: Hoare triple {47154#true} havoc ~lk1~0; {47154#true} is VALID [2020-07-18 05:07:05,530 INFO L280 TraceCheckUtils]: 8: Hoare triple {47154#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {47154#true} is VALID [2020-07-18 05:07:05,530 INFO L280 TraceCheckUtils]: 9: Hoare triple {47154#true} ~p2~0 := #t~nondet1; {47154#true} is VALID [2020-07-18 05:07:05,530 INFO L280 TraceCheckUtils]: 10: Hoare triple {47154#true} havoc #t~nondet1; {47154#true} is VALID [2020-07-18 05:07:05,531 INFO L280 TraceCheckUtils]: 11: Hoare triple {47154#true} havoc ~lk2~0; {47154#true} is VALID [2020-07-18 05:07:05,531 INFO L280 TraceCheckUtils]: 12: Hoare triple {47154#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {47154#true} is VALID [2020-07-18 05:07:05,531 INFO L280 TraceCheckUtils]: 13: Hoare triple {47154#true} ~p3~0 := #t~nondet2; {47154#true} is VALID [2020-07-18 05:07:05,531 INFO L280 TraceCheckUtils]: 14: Hoare triple {47154#true} havoc #t~nondet2; {47154#true} is VALID [2020-07-18 05:07:05,531 INFO L280 TraceCheckUtils]: 15: Hoare triple {47154#true} havoc ~lk3~0; {47154#true} is VALID [2020-07-18 05:07:05,531 INFO L280 TraceCheckUtils]: 16: Hoare triple {47154#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {47154#true} is VALID [2020-07-18 05:07:05,532 INFO L280 TraceCheckUtils]: 17: Hoare triple {47154#true} ~p4~0 := #t~nondet3; {47154#true} is VALID [2020-07-18 05:07:05,532 INFO L280 TraceCheckUtils]: 18: Hoare triple {47154#true} havoc #t~nondet3; {47154#true} is VALID [2020-07-18 05:07:05,532 INFO L280 TraceCheckUtils]: 19: Hoare triple {47154#true} havoc ~lk4~0; {47154#true} is VALID [2020-07-18 05:07:05,532 INFO L280 TraceCheckUtils]: 20: Hoare triple {47154#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {47154#true} is VALID [2020-07-18 05:07:05,532 INFO L280 TraceCheckUtils]: 21: Hoare triple {47154#true} ~p5~0 := #t~nondet4; {47154#true} is VALID [2020-07-18 05:07:05,533 INFO L280 TraceCheckUtils]: 22: Hoare triple {47154#true} havoc #t~nondet4; {47154#true} is VALID [2020-07-18 05:07:05,533 INFO L280 TraceCheckUtils]: 23: Hoare triple {47154#true} havoc ~lk5~0; {47154#true} is VALID [2020-07-18 05:07:05,533 INFO L280 TraceCheckUtils]: 24: Hoare triple {47154#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {47154#true} is VALID [2020-07-18 05:07:05,533 INFO L280 TraceCheckUtils]: 25: Hoare triple {47154#true} ~p6~0 := #t~nondet5; {47154#true} is VALID [2020-07-18 05:07:05,533 INFO L280 TraceCheckUtils]: 26: Hoare triple {47154#true} havoc #t~nondet5; {47154#true} is VALID [2020-07-18 05:07:05,534 INFO L280 TraceCheckUtils]: 27: Hoare triple {47154#true} havoc ~lk6~0; {47154#true} is VALID [2020-07-18 05:07:05,534 INFO L280 TraceCheckUtils]: 28: Hoare triple {47154#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {47154#true} is VALID [2020-07-18 05:07:05,534 INFO L280 TraceCheckUtils]: 29: Hoare triple {47154#true} ~p7~0 := #t~nondet6; {47154#true} is VALID [2020-07-18 05:07:05,534 INFO L280 TraceCheckUtils]: 30: Hoare triple {47154#true} havoc #t~nondet6; {47154#true} is VALID [2020-07-18 05:07:05,534 INFO L280 TraceCheckUtils]: 31: Hoare triple {47154#true} havoc ~lk7~0; {47154#true} is VALID [2020-07-18 05:07:05,535 INFO L280 TraceCheckUtils]: 32: Hoare triple {47154#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {47154#true} is VALID [2020-07-18 05:07:05,535 INFO L280 TraceCheckUtils]: 33: Hoare triple {47154#true} ~p8~0 := #t~nondet7; {47154#true} is VALID [2020-07-18 05:07:05,535 INFO L280 TraceCheckUtils]: 34: Hoare triple {47154#true} havoc #t~nondet7; {47154#true} is VALID [2020-07-18 05:07:05,535 INFO L280 TraceCheckUtils]: 35: Hoare triple {47154#true} havoc ~lk8~0; {47154#true} is VALID [2020-07-18 05:07:05,535 INFO L280 TraceCheckUtils]: 36: Hoare triple {47154#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {47154#true} is VALID [2020-07-18 05:07:05,536 INFO L280 TraceCheckUtils]: 37: Hoare triple {47154#true} ~p9~0 := #t~nondet8; {47154#true} is VALID [2020-07-18 05:07:05,536 INFO L280 TraceCheckUtils]: 38: Hoare triple {47154#true} havoc #t~nondet8; {47154#true} is VALID [2020-07-18 05:07:05,536 INFO L280 TraceCheckUtils]: 39: Hoare triple {47154#true} havoc ~lk9~0; {47154#true} is VALID [2020-07-18 05:07:05,536 INFO L280 TraceCheckUtils]: 40: Hoare triple {47154#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {47154#true} is VALID [2020-07-18 05:07:05,536 INFO L280 TraceCheckUtils]: 41: Hoare triple {47154#true} ~p10~0 := #t~nondet9; {47154#true} is VALID [2020-07-18 05:07:05,537 INFO L280 TraceCheckUtils]: 42: Hoare triple {47154#true} havoc #t~nondet9; {47154#true} is VALID [2020-07-18 05:07:05,537 INFO L280 TraceCheckUtils]: 43: Hoare triple {47154#true} havoc ~lk10~0; {47154#true} is VALID [2020-07-18 05:07:05,537 INFO L280 TraceCheckUtils]: 44: Hoare triple {47154#true} havoc ~cond~0; {47154#true} is VALID [2020-07-18 05:07:05,537 INFO L280 TraceCheckUtils]: 45: Hoare triple {47154#true} assume !false; {47154#true} is VALID [2020-07-18 05:07:05,537 INFO L280 TraceCheckUtils]: 46: Hoare triple {47154#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {47154#true} is VALID [2020-07-18 05:07:05,538 INFO L280 TraceCheckUtils]: 47: Hoare triple {47154#true} ~cond~0 := #t~nondet10; {47154#true} is VALID [2020-07-18 05:07:05,538 INFO L280 TraceCheckUtils]: 48: Hoare triple {47154#true} havoc #t~nondet10; {47154#true} is VALID [2020-07-18 05:07:05,538 INFO L280 TraceCheckUtils]: 49: Hoare triple {47154#true} assume !(0 == ~cond~0); {47154#true} is VALID [2020-07-18 05:07:05,538 INFO L280 TraceCheckUtils]: 50: Hoare triple {47154#true} ~lk1~0 := 0; {47154#true} is VALID [2020-07-18 05:07:05,538 INFO L280 TraceCheckUtils]: 51: Hoare triple {47154#true} ~lk2~0 := 0; {47154#true} is VALID [2020-07-18 05:07:05,539 INFO L280 TraceCheckUtils]: 52: Hoare triple {47154#true} ~lk3~0 := 0; {47154#true} is VALID [2020-07-18 05:07:05,539 INFO L280 TraceCheckUtils]: 53: Hoare triple {47154#true} ~lk4~0 := 0; {47154#true} is VALID [2020-07-18 05:07:05,539 INFO L280 TraceCheckUtils]: 54: Hoare triple {47154#true} ~lk5~0 := 0; {47154#true} is VALID [2020-07-18 05:07:05,539 INFO L280 TraceCheckUtils]: 55: Hoare triple {47154#true} ~lk6~0 := 0; {47154#true} is VALID [2020-07-18 05:07:05,539 INFO L280 TraceCheckUtils]: 56: Hoare triple {47154#true} ~lk7~0 := 0; {47154#true} is VALID [2020-07-18 05:07:05,539 INFO L280 TraceCheckUtils]: 57: Hoare triple {47154#true} ~lk8~0 := 0; {47154#true} is VALID [2020-07-18 05:07:05,540 INFO L280 TraceCheckUtils]: 58: Hoare triple {47154#true} ~lk9~0 := 0; {47154#true} is VALID [2020-07-18 05:07:05,540 INFO L280 TraceCheckUtils]: 59: Hoare triple {47154#true} ~lk10~0 := 0; {47154#true} is VALID [2020-07-18 05:07:05,540 INFO L280 TraceCheckUtils]: 60: Hoare triple {47154#true} assume !(0 != ~p1~0); {47154#true} is VALID [2020-07-18 05:07:05,540 INFO L280 TraceCheckUtils]: 61: Hoare triple {47154#true} assume !(0 != ~p2~0); {47154#true} is VALID [2020-07-18 05:07:05,540 INFO L280 TraceCheckUtils]: 62: Hoare triple {47154#true} assume !(0 != ~p3~0); {47154#true} is VALID [2020-07-18 05:07:05,540 INFO L280 TraceCheckUtils]: 63: Hoare triple {47154#true} assume !(0 != ~p4~0); {47154#true} is VALID [2020-07-18 05:07:05,541 INFO L280 TraceCheckUtils]: 64: Hoare triple {47154#true} assume 0 != ~p5~0; {47154#true} is VALID [2020-07-18 05:07:05,541 INFO L280 TraceCheckUtils]: 65: Hoare triple {47154#true} ~lk5~0 := 1; {47158#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:05,542 INFO L280 TraceCheckUtils]: 66: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p6~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:05,542 INFO L280 TraceCheckUtils]: 67: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p7~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:05,543 INFO L280 TraceCheckUtils]: 68: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p8~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:05,543 INFO L280 TraceCheckUtils]: 69: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p9~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:05,544 INFO L280 TraceCheckUtils]: 70: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p10~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:05,544 INFO L280 TraceCheckUtils]: 71: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p1~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:05,545 INFO L280 TraceCheckUtils]: 72: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p2~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:05,545 INFO L280 TraceCheckUtils]: 73: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p3~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:05,546 INFO L280 TraceCheckUtils]: 74: Hoare triple {47158#(= 1 main_~lk5~0)} assume !(0 != ~p4~0); {47158#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:05,546 INFO L280 TraceCheckUtils]: 75: Hoare triple {47158#(= 1 main_~lk5~0)} assume 0 != ~p5~0; {47158#(= 1 main_~lk5~0)} is VALID [2020-07-18 05:07:05,547 INFO L280 TraceCheckUtils]: 76: Hoare triple {47158#(= 1 main_~lk5~0)} assume 1 != ~lk5~0; {47155#false} is VALID [2020-07-18 05:07:05,547 INFO L280 TraceCheckUtils]: 77: Hoare triple {47155#false} assume !false; {47155#false} is VALID [2020-07-18 05:07:05,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:07:05,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1306584696] [2020-07-18 05:07:05,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:07:05,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:07:05,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354208315] [2020-07-18 05:07:05,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-18 05:07:05,553 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:07:05,553 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:07:05,614 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:05,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:07:05,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:07:05,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:07:05,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:07:05,615 INFO L87 Difference]: Start difference. First operand 1887 states and 2542 transitions. Second operand 3 states. [2020-07-18 05:07:11,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:11,114 INFO L93 Difference]: Finished difference Result 2291 states and 3104 transitions. [2020-07-18 05:07:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:07:11,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-18 05:07:11,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:07:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:07:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2020-07-18 05:07:11,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:07:11,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2020-07-18 05:07:11,118 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 206 transitions. [2020-07-18 05:07:11,310 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:11,488 INFO L225 Difference]: With dead ends: 2291 [2020-07-18 05:07:11,489 INFO L226 Difference]: Without dead ends: 2289 [2020-07-18 05:07:11,489 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 05:07:11,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2020-07-18 05:07:15,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 1887. [2020-07-18 05:07:15,545 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:07:15,545 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2289 states. Second operand 1887 states. [2020-07-18 05:07:15,545 INFO L74 IsIncluded]: Start isIncluded. First operand 2289 states. Second operand 1887 states. [2020-07-18 05:07:15,546 INFO L87 Difference]: Start difference. First operand 2289 states. Second operand 1887 states. [2020-07-18 05:07:15,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:15,722 INFO L93 Difference]: Finished difference Result 2289 states and 3087 transitions. [2020-07-18 05:07:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3087 transitions. [2020-07-18 05:07:15,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:15,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:15,724 INFO L74 IsIncluded]: Start isIncluded. First operand 1887 states. Second operand 2289 states. [2020-07-18 05:07:15,724 INFO L87 Difference]: Start difference. First operand 1887 states. Second operand 2289 states. [2020-07-18 05:07:15,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:15,920 INFO L93 Difference]: Finished difference Result 2289 states and 3087 transitions. [2020-07-18 05:07:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3087 transitions. [2020-07-18 05:07:15,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:15,923 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:15,923 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:07:15,923 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:07:15,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-07-18 05:07:16,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2526 transitions. [2020-07-18 05:07:16,059 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2526 transitions. Word has length 78 [2020-07-18 05:07:16,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:07:16,059 INFO L479 AbstractCegarLoop]: Abstraction has 1887 states and 2526 transitions. [2020-07-18 05:07:16,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:07:16,059 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 1887 states and 2526 transitions. [2020-07-18 05:07:19,339 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2526 edges. 2526 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2526 transitions. [2020-07-18 05:07:19,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-18 05:07:19,341 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:07:19,342 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] [2020-07-18 05:07:19,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-18 05:07:19,342 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:07:19,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:07:19,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1148780726, now seen corresponding path program 1 times [2020-07-18 05:07:19,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:07:19,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1694876634] [2020-07-18 05:07:19,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:07:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:07:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:07:19,381 INFO L280 TraceCheckUtils]: 0: Hoare triple {60095#true} assume true; {60095#true} is VALID [2020-07-18 05:07:19,382 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {60095#true} {60095#true} #271#return; {60095#true} is VALID [2020-07-18 05:07:19,382 INFO L263 TraceCheckUtils]: 0: Hoare triple {60095#true} call ULTIMATE.init(); {60095#true} is VALID [2020-07-18 05:07:19,382 INFO L280 TraceCheckUtils]: 1: Hoare triple {60095#true} assume true; {60095#true} is VALID [2020-07-18 05:07:19,382 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {60095#true} {60095#true} #271#return; {60095#true} is VALID [2020-07-18 05:07:19,383 INFO L263 TraceCheckUtils]: 3: Hoare triple {60095#true} call #t~ret11 := main(); {60095#true} is VALID [2020-07-18 05:07:19,383 INFO L280 TraceCheckUtils]: 4: Hoare triple {60095#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {60095#true} is VALID [2020-07-18 05:07:19,383 INFO L280 TraceCheckUtils]: 5: Hoare triple {60095#true} ~p1~0 := #t~nondet0; {60095#true} is VALID [2020-07-18 05:07:19,383 INFO L280 TraceCheckUtils]: 6: Hoare triple {60095#true} havoc #t~nondet0; {60095#true} is VALID [2020-07-18 05:07:19,383 INFO L280 TraceCheckUtils]: 7: Hoare triple {60095#true} havoc ~lk1~0; {60095#true} is VALID [2020-07-18 05:07:19,384 INFO L280 TraceCheckUtils]: 8: Hoare triple {60095#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {60095#true} is VALID [2020-07-18 05:07:19,384 INFO L280 TraceCheckUtils]: 9: Hoare triple {60095#true} ~p2~0 := #t~nondet1; {60095#true} is VALID [2020-07-18 05:07:19,384 INFO L280 TraceCheckUtils]: 10: Hoare triple {60095#true} havoc #t~nondet1; {60095#true} is VALID [2020-07-18 05:07:19,384 INFO L280 TraceCheckUtils]: 11: Hoare triple {60095#true} havoc ~lk2~0; {60095#true} is VALID [2020-07-18 05:07:19,384 INFO L280 TraceCheckUtils]: 12: Hoare triple {60095#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {60095#true} is VALID [2020-07-18 05:07:19,384 INFO L280 TraceCheckUtils]: 13: Hoare triple {60095#true} ~p3~0 := #t~nondet2; {60095#true} is VALID [2020-07-18 05:07:19,385 INFO L280 TraceCheckUtils]: 14: Hoare triple {60095#true} havoc #t~nondet2; {60095#true} is VALID [2020-07-18 05:07:19,385 INFO L280 TraceCheckUtils]: 15: Hoare triple {60095#true} havoc ~lk3~0; {60095#true} is VALID [2020-07-18 05:07:19,385 INFO L280 TraceCheckUtils]: 16: Hoare triple {60095#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {60095#true} is VALID [2020-07-18 05:07:19,385 INFO L280 TraceCheckUtils]: 17: Hoare triple {60095#true} ~p4~0 := #t~nondet3; {60095#true} is VALID [2020-07-18 05:07:19,385 INFO L280 TraceCheckUtils]: 18: Hoare triple {60095#true} havoc #t~nondet3; {60095#true} is VALID [2020-07-18 05:07:19,385 INFO L280 TraceCheckUtils]: 19: Hoare triple {60095#true} havoc ~lk4~0; {60095#true} is VALID [2020-07-18 05:07:19,386 INFO L280 TraceCheckUtils]: 20: Hoare triple {60095#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {60095#true} is VALID [2020-07-18 05:07:19,386 INFO L280 TraceCheckUtils]: 21: Hoare triple {60095#true} ~p5~0 := #t~nondet4; {60095#true} is VALID [2020-07-18 05:07:19,386 INFO L280 TraceCheckUtils]: 22: Hoare triple {60095#true} havoc #t~nondet4; {60095#true} is VALID [2020-07-18 05:07:19,386 INFO L280 TraceCheckUtils]: 23: Hoare triple {60095#true} havoc ~lk5~0; {60095#true} is VALID [2020-07-18 05:07:19,386 INFO L280 TraceCheckUtils]: 24: Hoare triple {60095#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {60095#true} is VALID [2020-07-18 05:07:19,386 INFO L280 TraceCheckUtils]: 25: Hoare triple {60095#true} ~p6~0 := #t~nondet5; {60095#true} is VALID [2020-07-18 05:07:19,387 INFO L280 TraceCheckUtils]: 26: Hoare triple {60095#true} havoc #t~nondet5; {60095#true} is VALID [2020-07-18 05:07:19,387 INFO L280 TraceCheckUtils]: 27: Hoare triple {60095#true} havoc ~lk6~0; {60095#true} is VALID [2020-07-18 05:07:19,387 INFO L280 TraceCheckUtils]: 28: Hoare triple {60095#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {60095#true} is VALID [2020-07-18 05:07:19,387 INFO L280 TraceCheckUtils]: 29: Hoare triple {60095#true} ~p7~0 := #t~nondet6; {60095#true} is VALID [2020-07-18 05:07:19,387 INFO L280 TraceCheckUtils]: 30: Hoare triple {60095#true} havoc #t~nondet6; {60095#true} is VALID [2020-07-18 05:07:19,387 INFO L280 TraceCheckUtils]: 31: Hoare triple {60095#true} havoc ~lk7~0; {60095#true} is VALID [2020-07-18 05:07:19,388 INFO L280 TraceCheckUtils]: 32: Hoare triple {60095#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {60095#true} is VALID [2020-07-18 05:07:19,388 INFO L280 TraceCheckUtils]: 33: Hoare triple {60095#true} ~p8~0 := #t~nondet7; {60095#true} is VALID [2020-07-18 05:07:19,388 INFO L280 TraceCheckUtils]: 34: Hoare triple {60095#true} havoc #t~nondet7; {60095#true} is VALID [2020-07-18 05:07:19,388 INFO L280 TraceCheckUtils]: 35: Hoare triple {60095#true} havoc ~lk8~0; {60095#true} is VALID [2020-07-18 05:07:19,388 INFO L280 TraceCheckUtils]: 36: Hoare triple {60095#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {60095#true} is VALID [2020-07-18 05:07:19,388 INFO L280 TraceCheckUtils]: 37: Hoare triple {60095#true} ~p9~0 := #t~nondet8; {60095#true} is VALID [2020-07-18 05:07:19,389 INFO L280 TraceCheckUtils]: 38: Hoare triple {60095#true} havoc #t~nondet8; {60095#true} is VALID [2020-07-18 05:07:19,389 INFO L280 TraceCheckUtils]: 39: Hoare triple {60095#true} havoc ~lk9~0; {60095#true} is VALID [2020-07-18 05:07:19,389 INFO L280 TraceCheckUtils]: 40: Hoare triple {60095#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {60095#true} is VALID [2020-07-18 05:07:19,389 INFO L280 TraceCheckUtils]: 41: Hoare triple {60095#true} ~p10~0 := #t~nondet9; {60095#true} is VALID [2020-07-18 05:07:19,389 INFO L280 TraceCheckUtils]: 42: Hoare triple {60095#true} havoc #t~nondet9; {60095#true} is VALID [2020-07-18 05:07:19,389 INFO L280 TraceCheckUtils]: 43: Hoare triple {60095#true} havoc ~lk10~0; {60095#true} is VALID [2020-07-18 05:07:19,390 INFO L280 TraceCheckUtils]: 44: Hoare triple {60095#true} havoc ~cond~0; {60095#true} is VALID [2020-07-18 05:07:19,390 INFO L280 TraceCheckUtils]: 45: Hoare triple {60095#true} assume !false; {60095#true} is VALID [2020-07-18 05:07:19,390 INFO L280 TraceCheckUtils]: 46: Hoare triple {60095#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {60095#true} is VALID [2020-07-18 05:07:19,390 INFO L280 TraceCheckUtils]: 47: Hoare triple {60095#true} ~cond~0 := #t~nondet10; {60095#true} is VALID [2020-07-18 05:07:19,390 INFO L280 TraceCheckUtils]: 48: Hoare triple {60095#true} havoc #t~nondet10; {60095#true} is VALID [2020-07-18 05:07:19,391 INFO L280 TraceCheckUtils]: 49: Hoare triple {60095#true} assume !(0 == ~cond~0); {60095#true} is VALID [2020-07-18 05:07:19,391 INFO L280 TraceCheckUtils]: 50: Hoare triple {60095#true} ~lk1~0 := 0; {60095#true} is VALID [2020-07-18 05:07:19,391 INFO L280 TraceCheckUtils]: 51: Hoare triple {60095#true} ~lk2~0 := 0; {60095#true} is VALID [2020-07-18 05:07:19,391 INFO L280 TraceCheckUtils]: 52: Hoare triple {60095#true} ~lk3~0 := 0; {60095#true} is VALID [2020-07-18 05:07:19,391 INFO L280 TraceCheckUtils]: 53: Hoare triple {60095#true} ~lk4~0 := 0; {60095#true} is VALID [2020-07-18 05:07:19,391 INFO L280 TraceCheckUtils]: 54: Hoare triple {60095#true} ~lk5~0 := 0; {60095#true} is VALID [2020-07-18 05:07:19,392 INFO L280 TraceCheckUtils]: 55: Hoare triple {60095#true} ~lk6~0 := 0; {60095#true} is VALID [2020-07-18 05:07:19,392 INFO L280 TraceCheckUtils]: 56: Hoare triple {60095#true} ~lk7~0 := 0; {60095#true} is VALID [2020-07-18 05:07:19,392 INFO L280 TraceCheckUtils]: 57: Hoare triple {60095#true} ~lk8~0 := 0; {60095#true} is VALID [2020-07-18 05:07:19,392 INFO L280 TraceCheckUtils]: 58: Hoare triple {60095#true} ~lk9~0 := 0; {60095#true} is VALID [2020-07-18 05:07:19,392 INFO L280 TraceCheckUtils]: 59: Hoare triple {60095#true} ~lk10~0 := 0; {60095#true} is VALID [2020-07-18 05:07:19,393 INFO L280 TraceCheckUtils]: 60: Hoare triple {60095#true} assume !(0 != ~p1~0); {60095#true} is VALID [2020-07-18 05:07:19,393 INFO L280 TraceCheckUtils]: 61: Hoare triple {60095#true} assume !(0 != ~p2~0); {60095#true} is VALID [2020-07-18 05:07:19,393 INFO L280 TraceCheckUtils]: 62: Hoare triple {60095#true} assume !(0 != ~p3~0); {60095#true} is VALID [2020-07-18 05:07:19,393 INFO L280 TraceCheckUtils]: 63: Hoare triple {60095#true} assume !(0 != ~p4~0); {60095#true} is VALID [2020-07-18 05:07:19,393 INFO L280 TraceCheckUtils]: 64: Hoare triple {60095#true} assume !(0 != ~p5~0); {60095#true} is VALID [2020-07-18 05:07:19,394 INFO L280 TraceCheckUtils]: 65: Hoare triple {60095#true} assume !(0 != ~p6~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:19,394 INFO L280 TraceCheckUtils]: 66: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p7~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:19,395 INFO L280 TraceCheckUtils]: 67: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p8~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:19,395 INFO L280 TraceCheckUtils]: 68: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p9~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:19,396 INFO L280 TraceCheckUtils]: 69: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p10~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:19,396 INFO L280 TraceCheckUtils]: 70: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p1~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:19,397 INFO L280 TraceCheckUtils]: 71: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p2~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:19,397 INFO L280 TraceCheckUtils]: 72: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p3~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:19,398 INFO L280 TraceCheckUtils]: 73: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p4~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:19,398 INFO L280 TraceCheckUtils]: 74: Hoare triple {60099#(= 0 main_~p6~0)} assume !(0 != ~p5~0); {60099#(= 0 main_~p6~0)} is VALID [2020-07-18 05:07:19,399 INFO L280 TraceCheckUtils]: 75: Hoare triple {60099#(= 0 main_~p6~0)} assume 0 != ~p6~0; {60096#false} is VALID [2020-07-18 05:07:19,399 INFO L280 TraceCheckUtils]: 76: Hoare triple {60096#false} assume 1 != ~lk6~0; {60096#false} is VALID [2020-07-18 05:07:19,399 INFO L280 TraceCheckUtils]: 77: Hoare triple {60096#false} assume !false; {60096#false} is VALID [2020-07-18 05:07:19,402 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 05:07:19,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1694876634] [2020-07-18 05:07:19,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:07:19,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:07:19,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110858277] [2020-07-18 05:07:19,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-18 05:07:19,404 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:07:19,404 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:07:19,470 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:19,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:07:19,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:07:19,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:07:19,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:07:19,471 INFO L87 Difference]: Start difference. First operand 1887 states and 2526 transitions. Second operand 3 states. [2020-07-18 05:07:30,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:30,240 INFO L93 Difference]: Finished difference Result 5475 states and 7360 transitions. [2020-07-18 05:07:30,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:07:30,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-18 05:07:30,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:07:30,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:07:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2020-07-18 05:07:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:07:30,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2020-07-18 05:07:30,245 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 314 transitions. [2020-07-18 05:07:30,533 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 314 edges. 314 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:30,986 INFO L225 Difference]: With dead ends: 5475 [2020-07-18 05:07:30,986 INFO L226 Difference]: Without dead ends: 3633 [2020-07-18 05:07:30,991 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 05:07:30,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3633 states. [2020-07-18 05:07:39,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3633 to 3631. [2020-07-18 05:07:39,839 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:07:39,839 INFO L82 GeneralOperation]: Start isEquivalent. First operand 3633 states. Second operand 3631 states. [2020-07-18 05:07:39,840 INFO L74 IsIncluded]: Start isIncluded. First operand 3633 states. Second operand 3631 states. [2020-07-18 05:07:39,840 INFO L87 Difference]: Start difference. First operand 3633 states. Second operand 3631 states. [2020-07-18 05:07:40,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:40,317 INFO L93 Difference]: Finished difference Result 3633 states and 4815 transitions. [2020-07-18 05:07:40,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3633 states and 4815 transitions. [2020-07-18 05:07:40,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:40,321 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:40,321 INFO L74 IsIncluded]: Start isIncluded. First operand 3631 states. Second operand 3633 states. [2020-07-18 05:07:40,321 INFO L87 Difference]: Start difference. First operand 3631 states. Second operand 3633 states. [2020-07-18 05:07:40,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:07:40,791 INFO L93 Difference]: Finished difference Result 3633 states and 4815 transitions. [2020-07-18 05:07:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3633 states and 4815 transitions. [2020-07-18 05:07:40,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:07:40,795 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:07:40,795 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:07:40,795 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:07:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3631 states. [2020-07-18 05:07:41,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3631 states to 3631 states and 4814 transitions. [2020-07-18 05:07:41,267 INFO L78 Accepts]: Start accepts. Automaton has 3631 states and 4814 transitions. Word has length 78 [2020-07-18 05:07:41,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:07:41,267 INFO L479 AbstractCegarLoop]: Abstraction has 3631 states and 4814 transitions. [2020-07-18 05:07:41,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:07:41,267 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3631 states and 4814 transitions. [2020-07-18 05:07:47,585 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4814 edges. 4814 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:07:47,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3631 states and 4814 transitions. [2020-07-18 05:07:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-18 05:07:47,587 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:07:47,588 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 05:07:47,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-18 05:07:47,588 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:07:47,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:07:47,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1252709924, now seen corresponding path program 1 times [2020-07-18 05:07:47,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:07:47,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116886678] [2020-07-18 05:07:47,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:07:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:07:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:07:47,640 INFO L280 TraceCheckUtils]: 0: Hoare triple {85580#true} assume true; {85580#true} is VALID [2020-07-18 05:07:47,640 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {85580#true} {85580#true} #271#return; {85580#true} is VALID [2020-07-18 05:07:47,641 INFO L263 TraceCheckUtils]: 0: Hoare triple {85580#true} call ULTIMATE.init(); {85580#true} is VALID [2020-07-18 05:07:47,641 INFO L280 TraceCheckUtils]: 1: Hoare triple {85580#true} assume true; {85580#true} is VALID [2020-07-18 05:07:47,641 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {85580#true} {85580#true} #271#return; {85580#true} is VALID [2020-07-18 05:07:47,642 INFO L263 TraceCheckUtils]: 3: Hoare triple {85580#true} call #t~ret11 := main(); {85580#true} is VALID [2020-07-18 05:07:47,642 INFO L280 TraceCheckUtils]: 4: Hoare triple {85580#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {85580#true} is VALID [2020-07-18 05:07:47,642 INFO L280 TraceCheckUtils]: 5: Hoare triple {85580#true} ~p1~0 := #t~nondet0; {85580#true} is VALID [2020-07-18 05:07:47,642 INFO L280 TraceCheckUtils]: 6: Hoare triple {85580#true} havoc #t~nondet0; {85580#true} is VALID [2020-07-18 05:07:47,643 INFO L280 TraceCheckUtils]: 7: Hoare triple {85580#true} havoc ~lk1~0; {85580#true} is VALID [2020-07-18 05:07:47,643 INFO L280 TraceCheckUtils]: 8: Hoare triple {85580#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {85580#true} is VALID [2020-07-18 05:07:47,643 INFO L280 TraceCheckUtils]: 9: Hoare triple {85580#true} ~p2~0 := #t~nondet1; {85580#true} is VALID [2020-07-18 05:07:47,644 INFO L280 TraceCheckUtils]: 10: Hoare triple {85580#true} havoc #t~nondet1; {85580#true} is VALID [2020-07-18 05:07:47,644 INFO L280 TraceCheckUtils]: 11: Hoare triple {85580#true} havoc ~lk2~0; {85580#true} is VALID [2020-07-18 05:07:47,644 INFO L280 TraceCheckUtils]: 12: Hoare triple {85580#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {85580#true} is VALID [2020-07-18 05:07:47,644 INFO L280 TraceCheckUtils]: 13: Hoare triple {85580#true} ~p3~0 := #t~nondet2; {85580#true} is VALID [2020-07-18 05:07:47,645 INFO L280 TraceCheckUtils]: 14: Hoare triple {85580#true} havoc #t~nondet2; {85580#true} is VALID [2020-07-18 05:07:47,645 INFO L280 TraceCheckUtils]: 15: Hoare triple {85580#true} havoc ~lk3~0; {85580#true} is VALID [2020-07-18 05:07:47,645 INFO L280 TraceCheckUtils]: 16: Hoare triple {85580#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {85580#true} is VALID [2020-07-18 05:07:47,645 INFO L280 TraceCheckUtils]: 17: Hoare triple {85580#true} ~p4~0 := #t~nondet3; {85580#true} is VALID [2020-07-18 05:07:47,645 INFO L280 TraceCheckUtils]: 18: Hoare triple {85580#true} havoc #t~nondet3; {85580#true} is VALID [2020-07-18 05:07:47,646 INFO L280 TraceCheckUtils]: 19: Hoare triple {85580#true} havoc ~lk4~0; {85580#true} is VALID [2020-07-18 05:07:47,646 INFO L280 TraceCheckUtils]: 20: Hoare triple {85580#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {85580#true} is VALID [2020-07-18 05:07:47,646 INFO L280 TraceCheckUtils]: 21: Hoare triple {85580#true} ~p5~0 := #t~nondet4; {85580#true} is VALID [2020-07-18 05:07:47,646 INFO L280 TraceCheckUtils]: 22: Hoare triple {85580#true} havoc #t~nondet4; {85580#true} is VALID [2020-07-18 05:07:47,646 INFO L280 TraceCheckUtils]: 23: Hoare triple {85580#true} havoc ~lk5~0; {85580#true} is VALID [2020-07-18 05:07:47,646 INFO L280 TraceCheckUtils]: 24: Hoare triple {85580#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {85580#true} is VALID [2020-07-18 05:07:47,647 INFO L280 TraceCheckUtils]: 25: Hoare triple {85580#true} ~p6~0 := #t~nondet5; {85580#true} is VALID [2020-07-18 05:07:47,647 INFO L280 TraceCheckUtils]: 26: Hoare triple {85580#true} havoc #t~nondet5; {85580#true} is VALID [2020-07-18 05:07:47,647 INFO L280 TraceCheckUtils]: 27: Hoare triple {85580#true} havoc ~lk6~0; {85580#true} is VALID [2020-07-18 05:07:47,647 INFO L280 TraceCheckUtils]: 28: Hoare triple {85580#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {85580#true} is VALID [2020-07-18 05:07:47,647 INFO L280 TraceCheckUtils]: 29: Hoare triple {85580#true} ~p7~0 := #t~nondet6; {85580#true} is VALID [2020-07-18 05:07:47,648 INFO L280 TraceCheckUtils]: 30: Hoare triple {85580#true} havoc #t~nondet6; {85580#true} is VALID [2020-07-18 05:07:47,648 INFO L280 TraceCheckUtils]: 31: Hoare triple {85580#true} havoc ~lk7~0; {85580#true} is VALID [2020-07-18 05:07:47,648 INFO L280 TraceCheckUtils]: 32: Hoare triple {85580#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {85580#true} is VALID [2020-07-18 05:07:47,648 INFO L280 TraceCheckUtils]: 33: Hoare triple {85580#true} ~p8~0 := #t~nondet7; {85580#true} is VALID [2020-07-18 05:07:47,648 INFO L280 TraceCheckUtils]: 34: Hoare triple {85580#true} havoc #t~nondet7; {85580#true} is VALID [2020-07-18 05:07:47,648 INFO L280 TraceCheckUtils]: 35: Hoare triple {85580#true} havoc ~lk8~0; {85580#true} is VALID [2020-07-18 05:07:47,649 INFO L280 TraceCheckUtils]: 36: Hoare triple {85580#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {85580#true} is VALID [2020-07-18 05:07:47,649 INFO L280 TraceCheckUtils]: 37: Hoare triple {85580#true} ~p9~0 := #t~nondet8; {85580#true} is VALID [2020-07-18 05:07:47,649 INFO L280 TraceCheckUtils]: 38: Hoare triple {85580#true} havoc #t~nondet8; {85580#true} is VALID [2020-07-18 05:07:47,649 INFO L280 TraceCheckUtils]: 39: Hoare triple {85580#true} havoc ~lk9~0; {85580#true} is VALID [2020-07-18 05:07:47,649 INFO L280 TraceCheckUtils]: 40: Hoare triple {85580#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {85580#true} is VALID [2020-07-18 05:07:47,649 INFO L280 TraceCheckUtils]: 41: Hoare triple {85580#true} ~p10~0 := #t~nondet9; {85580#true} is VALID [2020-07-18 05:07:47,650 INFO L280 TraceCheckUtils]: 42: Hoare triple {85580#true} havoc #t~nondet9; {85580#true} is VALID [2020-07-18 05:07:47,650 INFO L280 TraceCheckUtils]: 43: Hoare triple {85580#true} havoc ~lk10~0; {85580#true} is VALID [2020-07-18 05:07:47,650 INFO L280 TraceCheckUtils]: 44: Hoare triple {85580#true} havoc ~cond~0; {85580#true} is VALID [2020-07-18 05:07:47,650 INFO L280 TraceCheckUtils]: 45: Hoare triple {85580#true} assume !false; {85580#true} is VALID [2020-07-18 05:07:47,650 INFO L280 TraceCheckUtils]: 46: Hoare triple {85580#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {85580#true} is VALID [2020-07-18 05:07:47,650 INFO L280 TraceCheckUtils]: 47: Hoare triple {85580#true} ~cond~0 := #t~nondet10; {85580#true} is VALID [2020-07-18 05:07:47,651 INFO L280 TraceCheckUtils]: 48: Hoare triple {85580#true} havoc #t~nondet10; {85580#true} is VALID [2020-07-18 05:07:47,651 INFO L280 TraceCheckUtils]: 49: Hoare triple {85580#true} assume !(0 == ~cond~0); {85580#true} is VALID [2020-07-18 05:07:47,651 INFO L280 TraceCheckUtils]: 50: Hoare triple {85580#true} ~lk1~0 := 0; {85580#true} is VALID [2020-07-18 05:07:47,652 INFO L280 TraceCheckUtils]: 51: Hoare triple {85580#true} ~lk2~0 := 0; {85580#true} is VALID [2020-07-18 05:07:47,652 INFO L280 TraceCheckUtils]: 52: Hoare triple {85580#true} ~lk3~0 := 0; {85580#true} is VALID [2020-07-18 05:07:47,652 INFO L280 TraceCheckUtils]: 53: Hoare triple {85580#true} ~lk4~0 := 0; {85580#true} is VALID [2020-07-18 05:07:47,653 INFO L280 TraceCheckUtils]: 54: Hoare triple {85580#true} ~lk5~0 := 0; {85580#true} is VALID [2020-07-18 05:07:47,653 INFO L280 TraceCheckUtils]: 55: Hoare triple {85580#true} ~lk6~0 := 0; {85580#true} is VALID [2020-07-18 05:07:47,653 INFO L280 TraceCheckUtils]: 56: Hoare triple {85580#true} ~lk7~0 := 0; {85580#true} is VALID [2020-07-18 05:07:47,653 INFO L280 TraceCheckUtils]: 57: Hoare triple {85580#true} ~lk8~0 := 0; {85580#true} is VALID [2020-07-18 05:07:47,654 INFO L280 TraceCheckUtils]: 58: Hoare triple {85580#true} ~lk9~0 := 0; {85580#true} is VALID [2020-07-18 05:07:47,654 INFO L280 TraceCheckUtils]: 59: Hoare triple {85580#true} ~lk10~0 := 0; {85580#true} is VALID [2020-07-18 05:07:47,654 INFO L280 TraceCheckUtils]: 60: Hoare triple {85580#true} assume !(0 != ~p1~0); {85580#true} is VALID [2020-07-18 05:07:47,655 INFO L280 TraceCheckUtils]: 61: Hoare triple {85580#true} assume !(0 != ~p2~0); {85580#true} is VALID [2020-07-18 05:07:47,655 INFO L280 TraceCheckUtils]: 62: Hoare triple {85580#true} assume !(0 != ~p3~0); {85580#true} is VALID [2020-07-18 05:07:47,655 INFO L280 TraceCheckUtils]: 63: Hoare triple {85580#true} assume !(0 != ~p4~0); {85580#true} is VALID [2020-07-18 05:07:47,655 INFO L280 TraceCheckUtils]: 64: Hoare triple {85580#true} assume !(0 != ~p5~0); {85580#true} is VALID [2020-07-18 05:07:47,656 INFO L280 TraceCheckUtils]: 65: Hoare triple {85580#true} assume !(0 != ~p6~0); {85580#true} is VALID [2020-07-18 05:07:47,656 INFO L280 TraceCheckUtils]: 66: Hoare triple {85580#true} assume !(0 != ~p7~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-18 05:07:47,657 INFO L280 TraceCheckUtils]: 67: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p8~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-18 05:07:47,657 INFO L280 TraceCheckUtils]: 68: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p9~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-18 05:07:47,658 INFO L280 TraceCheckUtils]: 69: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p10~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-18 05:07:47,658 INFO L280 TraceCheckUtils]: 70: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p1~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-18 05:07:47,659 INFO L280 TraceCheckUtils]: 71: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p2~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-18 05:07:47,659 INFO L280 TraceCheckUtils]: 72: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p3~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-18 05:07:47,660 INFO L280 TraceCheckUtils]: 73: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p4~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-18 05:07:47,660 INFO L280 TraceCheckUtils]: 74: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p5~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-18 05:07:47,661 INFO L280 TraceCheckUtils]: 75: Hoare triple {85584#(= 0 main_~p7~0)} assume !(0 != ~p6~0); {85584#(= 0 main_~p7~0)} is VALID [2020-07-18 05:07:47,661 INFO L280 TraceCheckUtils]: 76: Hoare triple {85584#(= 0 main_~p7~0)} assume 0 != ~p7~0; {85581#false} is VALID [2020-07-18 05:07:47,661 INFO L280 TraceCheckUtils]: 77: Hoare triple {85581#false} assume 1 != ~lk7~0; {85581#false} is VALID [2020-07-18 05:07:47,662 INFO L280 TraceCheckUtils]: 78: Hoare triple {85581#false} assume !false; {85581#false} is VALID [2020-07-18 05:07:47,668 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 05:07:47,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116886678] [2020-07-18 05:07:47,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:07:47,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:07:47,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561488335] [2020-07-18 05:07:47,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-18 05:07:47,670 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:07:47,670 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:07:47,737 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 05:07:47,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:07:47,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:07:47,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:07:47,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:07:47,739 INFO L87 Difference]: Start difference. First operand 3631 states and 4814 transitions. Second operand 3 states. [2020-07-18 05:08:12,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:08:12,294 INFO L93 Difference]: Finished difference Result 10611 states and 14096 transitions. [2020-07-18 05:08:12,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:08:12,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-18 05:08:12,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:08:12,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:08:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2020-07-18 05:08:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:08:12,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2020-07-18 05:08:12,298 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 314 transitions. [2020-07-18 05:08:12,590 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 314 edges. 314 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:08:14,254 INFO L225 Difference]: With dead ends: 10611 [2020-07-18 05:08:14,254 INFO L226 Difference]: Without dead ends: 7025 [2020-07-18 05:08:14,261 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 05:08:14,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7025 states. [2020-07-18 05:08:33,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7025 to 7023. [2020-07-18 05:08:33,104 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:08:33,104 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7025 states. Second operand 7023 states. [2020-07-18 05:08:33,104 INFO L74 IsIncluded]: Start isIncluded. First operand 7025 states. Second operand 7023 states. [2020-07-18 05:08:33,105 INFO L87 Difference]: Start difference. First operand 7025 states. Second operand 7023 states. [2020-07-18 05:08:34,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:08:34,884 INFO L93 Difference]: Finished difference Result 7025 states and 9199 transitions. [2020-07-18 05:08:34,884 INFO L276 IsEmpty]: Start isEmpty. Operand 7025 states and 9199 transitions. [2020-07-18 05:08:34,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:08:34,891 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:08:34,891 INFO L74 IsIncluded]: Start isIncluded. First operand 7023 states. Second operand 7025 states. [2020-07-18 05:08:34,891 INFO L87 Difference]: Start difference. First operand 7023 states. Second operand 7025 states. [2020-07-18 05:08:36,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:08:36,704 INFO L93 Difference]: Finished difference Result 7025 states and 9199 transitions. [2020-07-18 05:08:36,704 INFO L276 IsEmpty]: Start isEmpty. Operand 7025 states and 9199 transitions. [2020-07-18 05:08:36,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:08:36,711 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:08:36,711 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:08:36,711 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:08:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states. [2020-07-18 05:08:38,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 9198 transitions. [2020-07-18 05:08:38,624 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 9198 transitions. Word has length 79 [2020-07-18 05:08:38,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:08:38,625 INFO L479 AbstractCegarLoop]: Abstraction has 7023 states and 9198 transitions. [2020-07-18 05:08:38,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:08:38,625 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7023 states and 9198 transitions. [2020-07-18 05:08:50,898 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9198 edges. 9198 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:08:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 9198 transitions. [2020-07-18 05:08:50,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-18 05:08:50,902 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:08:50,902 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 05:08:50,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-18 05:08:50,902 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:08:50,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:08:50,902 INFO L82 PathProgramCache]: Analyzing trace with hash -358562811, now seen corresponding path program 1 times [2020-07-18 05:08:50,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:08:50,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007733712] [2020-07-18 05:08:50,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:08:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:08:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:08:50,948 INFO L280 TraceCheckUtils]: 0: Hoare triple {134905#true} assume true; {134905#true} is VALID [2020-07-18 05:08:50,948 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {134905#true} {134905#true} #271#return; {134905#true} is VALID [2020-07-18 05:08:50,948 INFO L263 TraceCheckUtils]: 0: Hoare triple {134905#true} call ULTIMATE.init(); {134905#true} is VALID [2020-07-18 05:08:50,949 INFO L280 TraceCheckUtils]: 1: Hoare triple {134905#true} assume true; {134905#true} is VALID [2020-07-18 05:08:50,949 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {134905#true} {134905#true} #271#return; {134905#true} is VALID [2020-07-18 05:08:50,949 INFO L263 TraceCheckUtils]: 3: Hoare triple {134905#true} call #t~ret11 := main(); {134905#true} is VALID [2020-07-18 05:08:50,949 INFO L280 TraceCheckUtils]: 4: Hoare triple {134905#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {134905#true} is VALID [2020-07-18 05:08:50,949 INFO L280 TraceCheckUtils]: 5: Hoare triple {134905#true} ~p1~0 := #t~nondet0; {134905#true} is VALID [2020-07-18 05:08:50,950 INFO L280 TraceCheckUtils]: 6: Hoare triple {134905#true} havoc #t~nondet0; {134905#true} is VALID [2020-07-18 05:08:50,950 INFO L280 TraceCheckUtils]: 7: Hoare triple {134905#true} havoc ~lk1~0; {134905#true} is VALID [2020-07-18 05:08:50,950 INFO L280 TraceCheckUtils]: 8: Hoare triple {134905#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {134905#true} is VALID [2020-07-18 05:08:50,950 INFO L280 TraceCheckUtils]: 9: Hoare triple {134905#true} ~p2~0 := #t~nondet1; {134905#true} is VALID [2020-07-18 05:08:50,950 INFO L280 TraceCheckUtils]: 10: Hoare triple {134905#true} havoc #t~nondet1; {134905#true} is VALID [2020-07-18 05:08:50,950 INFO L280 TraceCheckUtils]: 11: Hoare triple {134905#true} havoc ~lk2~0; {134905#true} is VALID [2020-07-18 05:08:50,951 INFO L280 TraceCheckUtils]: 12: Hoare triple {134905#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {134905#true} is VALID [2020-07-18 05:08:50,951 INFO L280 TraceCheckUtils]: 13: Hoare triple {134905#true} ~p3~0 := #t~nondet2; {134905#true} is VALID [2020-07-18 05:08:50,951 INFO L280 TraceCheckUtils]: 14: Hoare triple {134905#true} havoc #t~nondet2; {134905#true} is VALID [2020-07-18 05:08:50,951 INFO L280 TraceCheckUtils]: 15: Hoare triple {134905#true} havoc ~lk3~0; {134905#true} is VALID [2020-07-18 05:08:50,951 INFO L280 TraceCheckUtils]: 16: Hoare triple {134905#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {134905#true} is VALID [2020-07-18 05:08:50,952 INFO L280 TraceCheckUtils]: 17: Hoare triple {134905#true} ~p4~0 := #t~nondet3; {134905#true} is VALID [2020-07-18 05:08:50,952 INFO L280 TraceCheckUtils]: 18: Hoare triple {134905#true} havoc #t~nondet3; {134905#true} is VALID [2020-07-18 05:08:50,952 INFO L280 TraceCheckUtils]: 19: Hoare triple {134905#true} havoc ~lk4~0; {134905#true} is VALID [2020-07-18 05:08:50,952 INFO L280 TraceCheckUtils]: 20: Hoare triple {134905#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {134905#true} is VALID [2020-07-18 05:08:50,952 INFO L280 TraceCheckUtils]: 21: Hoare triple {134905#true} ~p5~0 := #t~nondet4; {134905#true} is VALID [2020-07-18 05:08:50,953 INFO L280 TraceCheckUtils]: 22: Hoare triple {134905#true} havoc #t~nondet4; {134905#true} is VALID [2020-07-18 05:08:50,953 INFO L280 TraceCheckUtils]: 23: Hoare triple {134905#true} havoc ~lk5~0; {134905#true} is VALID [2020-07-18 05:08:50,953 INFO L280 TraceCheckUtils]: 24: Hoare triple {134905#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {134905#true} is VALID [2020-07-18 05:08:50,953 INFO L280 TraceCheckUtils]: 25: Hoare triple {134905#true} ~p6~0 := #t~nondet5; {134905#true} is VALID [2020-07-18 05:08:50,953 INFO L280 TraceCheckUtils]: 26: Hoare triple {134905#true} havoc #t~nondet5; {134905#true} is VALID [2020-07-18 05:08:50,954 INFO L280 TraceCheckUtils]: 27: Hoare triple {134905#true} havoc ~lk6~0; {134905#true} is VALID [2020-07-18 05:08:50,954 INFO L280 TraceCheckUtils]: 28: Hoare triple {134905#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {134905#true} is VALID [2020-07-18 05:08:50,954 INFO L280 TraceCheckUtils]: 29: Hoare triple {134905#true} ~p7~0 := #t~nondet6; {134905#true} is VALID [2020-07-18 05:08:50,954 INFO L280 TraceCheckUtils]: 30: Hoare triple {134905#true} havoc #t~nondet6; {134905#true} is VALID [2020-07-18 05:08:50,954 INFO L280 TraceCheckUtils]: 31: Hoare triple {134905#true} havoc ~lk7~0; {134905#true} is VALID [2020-07-18 05:08:50,954 INFO L280 TraceCheckUtils]: 32: Hoare triple {134905#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {134905#true} is VALID [2020-07-18 05:08:50,955 INFO L280 TraceCheckUtils]: 33: Hoare triple {134905#true} ~p8~0 := #t~nondet7; {134905#true} is VALID [2020-07-18 05:08:50,955 INFO L280 TraceCheckUtils]: 34: Hoare triple {134905#true} havoc #t~nondet7; {134905#true} is VALID [2020-07-18 05:08:50,955 INFO L280 TraceCheckUtils]: 35: Hoare triple {134905#true} havoc ~lk8~0; {134905#true} is VALID [2020-07-18 05:08:50,955 INFO L280 TraceCheckUtils]: 36: Hoare triple {134905#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {134905#true} is VALID [2020-07-18 05:08:50,955 INFO L280 TraceCheckUtils]: 37: Hoare triple {134905#true} ~p9~0 := #t~nondet8; {134905#true} is VALID [2020-07-18 05:08:50,956 INFO L280 TraceCheckUtils]: 38: Hoare triple {134905#true} havoc #t~nondet8; {134905#true} is VALID [2020-07-18 05:08:50,956 INFO L280 TraceCheckUtils]: 39: Hoare triple {134905#true} havoc ~lk9~0; {134905#true} is VALID [2020-07-18 05:08:50,956 INFO L280 TraceCheckUtils]: 40: Hoare triple {134905#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {134905#true} is VALID [2020-07-18 05:08:50,956 INFO L280 TraceCheckUtils]: 41: Hoare triple {134905#true} ~p10~0 := #t~nondet9; {134905#true} is VALID [2020-07-18 05:08:50,956 INFO L280 TraceCheckUtils]: 42: Hoare triple {134905#true} havoc #t~nondet9; {134905#true} is VALID [2020-07-18 05:08:50,957 INFO L280 TraceCheckUtils]: 43: Hoare triple {134905#true} havoc ~lk10~0; {134905#true} is VALID [2020-07-18 05:08:50,957 INFO L280 TraceCheckUtils]: 44: Hoare triple {134905#true} havoc ~cond~0; {134905#true} is VALID [2020-07-18 05:08:50,957 INFO L280 TraceCheckUtils]: 45: Hoare triple {134905#true} assume !false; {134905#true} is VALID [2020-07-18 05:08:50,957 INFO L280 TraceCheckUtils]: 46: Hoare triple {134905#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {134905#true} is VALID [2020-07-18 05:08:50,957 INFO L280 TraceCheckUtils]: 47: Hoare triple {134905#true} ~cond~0 := #t~nondet10; {134905#true} is VALID [2020-07-18 05:08:50,957 INFO L280 TraceCheckUtils]: 48: Hoare triple {134905#true} havoc #t~nondet10; {134905#true} is VALID [2020-07-18 05:08:50,958 INFO L280 TraceCheckUtils]: 49: Hoare triple {134905#true} assume !(0 == ~cond~0); {134905#true} is VALID [2020-07-18 05:08:50,958 INFO L280 TraceCheckUtils]: 50: Hoare triple {134905#true} ~lk1~0 := 0; {134905#true} is VALID [2020-07-18 05:08:50,958 INFO L280 TraceCheckUtils]: 51: Hoare triple {134905#true} ~lk2~0 := 0; {134905#true} is VALID [2020-07-18 05:08:50,958 INFO L280 TraceCheckUtils]: 52: Hoare triple {134905#true} ~lk3~0 := 0; {134905#true} is VALID [2020-07-18 05:08:50,958 INFO L280 TraceCheckUtils]: 53: Hoare triple {134905#true} ~lk4~0 := 0; {134905#true} is VALID [2020-07-18 05:08:50,959 INFO L280 TraceCheckUtils]: 54: Hoare triple {134905#true} ~lk5~0 := 0; {134905#true} is VALID [2020-07-18 05:08:50,959 INFO L280 TraceCheckUtils]: 55: Hoare triple {134905#true} ~lk6~0 := 0; {134905#true} is VALID [2020-07-18 05:08:50,959 INFO L280 TraceCheckUtils]: 56: Hoare triple {134905#true} ~lk7~0 := 0; {134905#true} is VALID [2020-07-18 05:08:50,959 INFO L280 TraceCheckUtils]: 57: Hoare triple {134905#true} ~lk8~0 := 0; {134905#true} is VALID [2020-07-18 05:08:50,959 INFO L280 TraceCheckUtils]: 58: Hoare triple {134905#true} ~lk9~0 := 0; {134905#true} is VALID [2020-07-18 05:08:50,959 INFO L280 TraceCheckUtils]: 59: Hoare triple {134905#true} ~lk10~0 := 0; {134905#true} is VALID [2020-07-18 05:08:50,960 INFO L280 TraceCheckUtils]: 60: Hoare triple {134905#true} assume !(0 != ~p1~0); {134905#true} is VALID [2020-07-18 05:08:50,960 INFO L280 TraceCheckUtils]: 61: Hoare triple {134905#true} assume !(0 != ~p2~0); {134905#true} is VALID [2020-07-18 05:08:50,960 INFO L280 TraceCheckUtils]: 62: Hoare triple {134905#true} assume !(0 != ~p3~0); {134905#true} is VALID [2020-07-18 05:08:50,960 INFO L280 TraceCheckUtils]: 63: Hoare triple {134905#true} assume !(0 != ~p4~0); {134905#true} is VALID [2020-07-18 05:08:50,960 INFO L280 TraceCheckUtils]: 64: Hoare triple {134905#true} assume !(0 != ~p5~0); {134905#true} is VALID [2020-07-18 05:08:50,961 INFO L280 TraceCheckUtils]: 65: Hoare triple {134905#true} assume 0 != ~p6~0; {134905#true} is VALID [2020-07-18 05:08:50,968 INFO L280 TraceCheckUtils]: 66: Hoare triple {134905#true} ~lk6~0 := 1; {134909#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:50,969 INFO L280 TraceCheckUtils]: 67: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p7~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:50,970 INFO L280 TraceCheckUtils]: 68: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p8~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:50,970 INFO L280 TraceCheckUtils]: 69: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p9~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:50,971 INFO L280 TraceCheckUtils]: 70: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p10~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:50,971 INFO L280 TraceCheckUtils]: 71: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p1~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:50,972 INFO L280 TraceCheckUtils]: 72: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p2~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:50,972 INFO L280 TraceCheckUtils]: 73: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p3~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:50,973 INFO L280 TraceCheckUtils]: 74: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p4~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:50,973 INFO L280 TraceCheckUtils]: 75: Hoare triple {134909#(= 1 main_~lk6~0)} assume !(0 != ~p5~0); {134909#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:50,974 INFO L280 TraceCheckUtils]: 76: Hoare triple {134909#(= 1 main_~lk6~0)} assume 0 != ~p6~0; {134909#(= 1 main_~lk6~0)} is VALID [2020-07-18 05:08:50,974 INFO L280 TraceCheckUtils]: 77: Hoare triple {134909#(= 1 main_~lk6~0)} assume 1 != ~lk6~0; {134906#false} is VALID [2020-07-18 05:08:50,974 INFO L280 TraceCheckUtils]: 78: Hoare triple {134906#false} assume !false; {134906#false} is VALID [2020-07-18 05:08:50,978 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 05:08:50,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007733712] [2020-07-18 05:08:50,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:08:50,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:08:50,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197027420] [2020-07-18 05:08:50,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-18 05:08:50,979 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:08:50,979 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:08:51,038 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 05:08:51,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:08:51,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:08:51,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:08:51,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:08:51,039 INFO L87 Difference]: Start difference. First operand 7023 states and 9198 transitions. Second operand 3 states. [2020-07-18 05:09:18,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:09:18,733 INFO L93 Difference]: Finished difference Result 8435 states and 11056 transitions. [2020-07-18 05:09:18,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:09:18,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-18 05:09:18,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:09:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:09:18,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2020-07-18 05:09:18,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:09:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2020-07-18 05:09:18,737 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 202 transitions. [2020-07-18 05:09:18,924 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 202 edges. 202 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:09:21,292 INFO L225 Difference]: With dead ends: 8435 [2020-07-18 05:09:21,292 INFO L226 Difference]: Without dead ends: 8433 [2020-07-18 05:09:21,294 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 05:09:21,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8433 states. [2020-07-18 05:09:42,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8433 to 7023. [2020-07-18 05:09:42,296 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:09:42,296 INFO L82 GeneralOperation]: Start isEquivalent. First operand 8433 states. Second operand 7023 states. [2020-07-18 05:09:42,296 INFO L74 IsIncluded]: Start isIncluded. First operand 8433 states. Second operand 7023 states. [2020-07-18 05:09:42,297 INFO L87 Difference]: Start difference. First operand 8433 states. Second operand 7023 states. [2020-07-18 05:09:44,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:09:44,784 INFO L93 Difference]: Finished difference Result 8433 states and 10991 transitions. [2020-07-18 05:09:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 8433 states and 10991 transitions. [2020-07-18 05:09:44,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:09:44,792 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:09:44,793 INFO L74 IsIncluded]: Start isIncluded. First operand 7023 states. Second operand 8433 states. [2020-07-18 05:09:44,793 INFO L87 Difference]: Start difference. First operand 7023 states. Second operand 8433 states. [2020-07-18 05:09:47,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:09:47,407 INFO L93 Difference]: Finished difference Result 8433 states and 10991 transitions. [2020-07-18 05:09:47,407 INFO L276 IsEmpty]: Start isEmpty. Operand 8433 states and 10991 transitions. [2020-07-18 05:09:47,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:09:47,416 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:09:47,417 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:09:47,417 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:09:47,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states. [2020-07-18 05:09:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 9134 transitions. [2020-07-18 05:09:49,351 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 9134 transitions. Word has length 79 [2020-07-18 05:09:49,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:09:49,351 INFO L479 AbstractCegarLoop]: Abstraction has 7023 states and 9134 transitions. [2020-07-18 05:09:49,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:09:49,352 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7023 states and 9134 transitions. [2020-07-18 05:10:01,944 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9134 edges. 9134 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:10:01,944 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 9134 transitions. [2020-07-18 05:10:01,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-18 05:10:01,947 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:10:01,947 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 05:10:01,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-18 05:10:01,947 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:10:01,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:10:01,948 INFO L82 PathProgramCache]: Analyzing trace with hash -449157072, now seen corresponding path program 1 times [2020-07-18 05:10:01,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:10:01,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85235885] [2020-07-18 05:10:01,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:10:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:10:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:10:01,977 INFO L280 TraceCheckUtils]: 0: Hoare triple {182694#true} assume true; {182694#true} is VALID [2020-07-18 05:10:01,978 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {182694#true} {182694#true} #271#return; {182694#true} is VALID [2020-07-18 05:10:01,978 INFO L263 TraceCheckUtils]: 0: Hoare triple {182694#true} call ULTIMATE.init(); {182694#true} is VALID [2020-07-18 05:10:01,978 INFO L280 TraceCheckUtils]: 1: Hoare triple {182694#true} assume true; {182694#true} is VALID [2020-07-18 05:10:01,978 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {182694#true} {182694#true} #271#return; {182694#true} is VALID [2020-07-18 05:10:01,979 INFO L263 TraceCheckUtils]: 3: Hoare triple {182694#true} call #t~ret11 := main(); {182694#true} is VALID [2020-07-18 05:10:01,979 INFO L280 TraceCheckUtils]: 4: Hoare triple {182694#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {182694#true} is VALID [2020-07-18 05:10:01,979 INFO L280 TraceCheckUtils]: 5: Hoare triple {182694#true} ~p1~0 := #t~nondet0; {182694#true} is VALID [2020-07-18 05:10:01,980 INFO L280 TraceCheckUtils]: 6: Hoare triple {182694#true} havoc #t~nondet0; {182694#true} is VALID [2020-07-18 05:10:01,980 INFO L280 TraceCheckUtils]: 7: Hoare triple {182694#true} havoc ~lk1~0; {182694#true} is VALID [2020-07-18 05:10:01,981 INFO L280 TraceCheckUtils]: 8: Hoare triple {182694#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {182694#true} is VALID [2020-07-18 05:10:01,981 INFO L280 TraceCheckUtils]: 9: Hoare triple {182694#true} ~p2~0 := #t~nondet1; {182694#true} is VALID [2020-07-18 05:10:01,981 INFO L280 TraceCheckUtils]: 10: Hoare triple {182694#true} havoc #t~nondet1; {182694#true} is VALID [2020-07-18 05:10:01,981 INFO L280 TraceCheckUtils]: 11: Hoare triple {182694#true} havoc ~lk2~0; {182694#true} is VALID [2020-07-18 05:10:01,981 INFO L280 TraceCheckUtils]: 12: Hoare triple {182694#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {182694#true} is VALID [2020-07-18 05:10:01,981 INFO L280 TraceCheckUtils]: 13: Hoare triple {182694#true} ~p3~0 := #t~nondet2; {182694#true} is VALID [2020-07-18 05:10:01,982 INFO L280 TraceCheckUtils]: 14: Hoare triple {182694#true} havoc #t~nondet2; {182694#true} is VALID [2020-07-18 05:10:01,982 INFO L280 TraceCheckUtils]: 15: Hoare triple {182694#true} havoc ~lk3~0; {182694#true} is VALID [2020-07-18 05:10:01,982 INFO L280 TraceCheckUtils]: 16: Hoare triple {182694#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {182694#true} is VALID [2020-07-18 05:10:01,982 INFO L280 TraceCheckUtils]: 17: Hoare triple {182694#true} ~p4~0 := #t~nondet3; {182694#true} is VALID [2020-07-18 05:10:01,982 INFO L280 TraceCheckUtils]: 18: Hoare triple {182694#true} havoc #t~nondet3; {182694#true} is VALID [2020-07-18 05:10:01,982 INFO L280 TraceCheckUtils]: 19: Hoare triple {182694#true} havoc ~lk4~0; {182694#true} is VALID [2020-07-18 05:10:01,983 INFO L280 TraceCheckUtils]: 20: Hoare triple {182694#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {182694#true} is VALID [2020-07-18 05:10:01,983 INFO L280 TraceCheckUtils]: 21: Hoare triple {182694#true} ~p5~0 := #t~nondet4; {182694#true} is VALID [2020-07-18 05:10:01,983 INFO L280 TraceCheckUtils]: 22: Hoare triple {182694#true} havoc #t~nondet4; {182694#true} is VALID [2020-07-18 05:10:01,983 INFO L280 TraceCheckUtils]: 23: Hoare triple {182694#true} havoc ~lk5~0; {182694#true} is VALID [2020-07-18 05:10:01,983 INFO L280 TraceCheckUtils]: 24: Hoare triple {182694#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {182694#true} is VALID [2020-07-18 05:10:01,984 INFO L280 TraceCheckUtils]: 25: Hoare triple {182694#true} ~p6~0 := #t~nondet5; {182694#true} is VALID [2020-07-18 05:10:01,984 INFO L280 TraceCheckUtils]: 26: Hoare triple {182694#true} havoc #t~nondet5; {182694#true} is VALID [2020-07-18 05:10:01,984 INFO L280 TraceCheckUtils]: 27: Hoare triple {182694#true} havoc ~lk6~0; {182694#true} is VALID [2020-07-18 05:10:01,984 INFO L280 TraceCheckUtils]: 28: Hoare triple {182694#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {182694#true} is VALID [2020-07-18 05:10:01,984 INFO L280 TraceCheckUtils]: 29: Hoare triple {182694#true} ~p7~0 := #t~nondet6; {182694#true} is VALID [2020-07-18 05:10:01,984 INFO L280 TraceCheckUtils]: 30: Hoare triple {182694#true} havoc #t~nondet6; {182694#true} is VALID [2020-07-18 05:10:01,985 INFO L280 TraceCheckUtils]: 31: Hoare triple {182694#true} havoc ~lk7~0; {182694#true} is VALID [2020-07-18 05:10:01,985 INFO L280 TraceCheckUtils]: 32: Hoare triple {182694#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {182694#true} is VALID [2020-07-18 05:10:01,985 INFO L280 TraceCheckUtils]: 33: Hoare triple {182694#true} ~p8~0 := #t~nondet7; {182694#true} is VALID [2020-07-18 05:10:01,985 INFO L280 TraceCheckUtils]: 34: Hoare triple {182694#true} havoc #t~nondet7; {182694#true} is VALID [2020-07-18 05:10:01,985 INFO L280 TraceCheckUtils]: 35: Hoare triple {182694#true} havoc ~lk8~0; {182694#true} is VALID [2020-07-18 05:10:01,985 INFO L280 TraceCheckUtils]: 36: Hoare triple {182694#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {182694#true} is VALID [2020-07-18 05:10:01,986 INFO L280 TraceCheckUtils]: 37: Hoare triple {182694#true} ~p9~0 := #t~nondet8; {182694#true} is VALID [2020-07-18 05:10:01,986 INFO L280 TraceCheckUtils]: 38: Hoare triple {182694#true} havoc #t~nondet8; {182694#true} is VALID [2020-07-18 05:10:01,986 INFO L280 TraceCheckUtils]: 39: Hoare triple {182694#true} havoc ~lk9~0; {182694#true} is VALID [2020-07-18 05:10:01,986 INFO L280 TraceCheckUtils]: 40: Hoare triple {182694#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {182694#true} is VALID [2020-07-18 05:10:01,986 INFO L280 TraceCheckUtils]: 41: Hoare triple {182694#true} ~p10~0 := #t~nondet9; {182694#true} is VALID [2020-07-18 05:10:01,986 INFO L280 TraceCheckUtils]: 42: Hoare triple {182694#true} havoc #t~nondet9; {182694#true} is VALID [2020-07-18 05:10:01,987 INFO L280 TraceCheckUtils]: 43: Hoare triple {182694#true} havoc ~lk10~0; {182694#true} is VALID [2020-07-18 05:10:01,987 INFO L280 TraceCheckUtils]: 44: Hoare triple {182694#true} havoc ~cond~0; {182694#true} is VALID [2020-07-18 05:10:01,987 INFO L280 TraceCheckUtils]: 45: Hoare triple {182694#true} assume !false; {182694#true} is VALID [2020-07-18 05:10:01,987 INFO L280 TraceCheckUtils]: 46: Hoare triple {182694#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {182694#true} is VALID [2020-07-18 05:10:01,987 INFO L280 TraceCheckUtils]: 47: Hoare triple {182694#true} ~cond~0 := #t~nondet10; {182694#true} is VALID [2020-07-18 05:10:01,987 INFO L280 TraceCheckUtils]: 48: Hoare triple {182694#true} havoc #t~nondet10; {182694#true} is VALID [2020-07-18 05:10:01,988 INFO L280 TraceCheckUtils]: 49: Hoare triple {182694#true} assume !(0 == ~cond~0); {182694#true} is VALID [2020-07-18 05:10:01,988 INFO L280 TraceCheckUtils]: 50: Hoare triple {182694#true} ~lk1~0 := 0; {182694#true} is VALID [2020-07-18 05:10:01,988 INFO L280 TraceCheckUtils]: 51: Hoare triple {182694#true} ~lk2~0 := 0; {182694#true} is VALID [2020-07-18 05:10:01,988 INFO L280 TraceCheckUtils]: 52: Hoare triple {182694#true} ~lk3~0 := 0; {182694#true} is VALID [2020-07-18 05:10:01,989 INFO L280 TraceCheckUtils]: 53: Hoare triple {182694#true} ~lk4~0 := 0; {182694#true} is VALID [2020-07-18 05:10:01,989 INFO L280 TraceCheckUtils]: 54: Hoare triple {182694#true} ~lk5~0 := 0; {182694#true} is VALID [2020-07-18 05:10:01,989 INFO L280 TraceCheckUtils]: 55: Hoare triple {182694#true} ~lk6~0 := 0; {182694#true} is VALID [2020-07-18 05:10:01,989 INFO L280 TraceCheckUtils]: 56: Hoare triple {182694#true} ~lk7~0 := 0; {182694#true} is VALID [2020-07-18 05:10:01,990 INFO L280 TraceCheckUtils]: 57: Hoare triple {182694#true} ~lk8~0 := 0; {182694#true} is VALID [2020-07-18 05:10:01,990 INFO L280 TraceCheckUtils]: 58: Hoare triple {182694#true} ~lk9~0 := 0; {182694#true} is VALID [2020-07-18 05:10:01,990 INFO L280 TraceCheckUtils]: 59: Hoare triple {182694#true} ~lk10~0 := 0; {182694#true} is VALID [2020-07-18 05:10:01,990 INFO L280 TraceCheckUtils]: 60: Hoare triple {182694#true} assume !(0 != ~p1~0); {182694#true} is VALID [2020-07-18 05:10:01,990 INFO L280 TraceCheckUtils]: 61: Hoare triple {182694#true} assume !(0 != ~p2~0); {182694#true} is VALID [2020-07-18 05:10:01,991 INFO L280 TraceCheckUtils]: 62: Hoare triple {182694#true} assume !(0 != ~p3~0); {182694#true} is VALID [2020-07-18 05:10:01,991 INFO L280 TraceCheckUtils]: 63: Hoare triple {182694#true} assume !(0 != ~p4~0); {182694#true} is VALID [2020-07-18 05:10:01,991 INFO L280 TraceCheckUtils]: 64: Hoare triple {182694#true} assume !(0 != ~p5~0); {182694#true} is VALID [2020-07-18 05:10:01,991 INFO L280 TraceCheckUtils]: 65: Hoare triple {182694#true} assume !(0 != ~p6~0); {182694#true} is VALID [2020-07-18 05:10:01,992 INFO L280 TraceCheckUtils]: 66: Hoare triple {182694#true} assume 0 != ~p7~0; {182694#true} is VALID [2020-07-18 05:10:01,992 INFO L280 TraceCheckUtils]: 67: Hoare triple {182694#true} ~lk7~0 := 1; {182698#(= main_~lk7~0 1)} is VALID [2020-07-18 05:10:01,993 INFO L280 TraceCheckUtils]: 68: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p8~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-18 05:10:01,994 INFO L280 TraceCheckUtils]: 69: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p9~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-18 05:10:01,994 INFO L280 TraceCheckUtils]: 70: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p10~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-18 05:10:01,995 INFO L280 TraceCheckUtils]: 71: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p1~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-18 05:10:01,996 INFO L280 TraceCheckUtils]: 72: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p2~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-18 05:10:01,996 INFO L280 TraceCheckUtils]: 73: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p3~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-18 05:10:01,997 INFO L280 TraceCheckUtils]: 74: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p4~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-18 05:10:01,997 INFO L280 TraceCheckUtils]: 75: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p5~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-18 05:10:01,998 INFO L280 TraceCheckUtils]: 76: Hoare triple {182698#(= main_~lk7~0 1)} assume !(0 != ~p6~0); {182698#(= main_~lk7~0 1)} is VALID [2020-07-18 05:10:01,999 INFO L280 TraceCheckUtils]: 77: Hoare triple {182698#(= main_~lk7~0 1)} assume 0 != ~p7~0; {182698#(= main_~lk7~0 1)} is VALID [2020-07-18 05:10:01,999 INFO L280 TraceCheckUtils]: 78: Hoare triple {182698#(= main_~lk7~0 1)} assume 1 != ~lk7~0; {182695#false} is VALID [2020-07-18 05:10:01,999 INFO L280 TraceCheckUtils]: 79: Hoare triple {182695#false} assume !false; {182695#false} is VALID [2020-07-18 05:10:02,046 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 05:10:02,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85235885] [2020-07-18 05:10:02,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:10:02,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:10:02,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734629193] [2020-07-18 05:10:02,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-18 05:10:02,047 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:10:02,048 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:10:02,118 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 05:10:02,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:10:02,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:10:02,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:10:02,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:10:02,119 INFO L87 Difference]: Start difference. First operand 7023 states and 9134 transitions. Second operand 3 states. [2020-07-18 05:10:30,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:10:30,768 INFO L93 Difference]: Finished difference Result 8371 states and 10864 transitions. [2020-07-18 05:10:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:10:30,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-18 05:10:30,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:10:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:10:30,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 198 transitions. [2020-07-18 05:10:30,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:10:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 198 transitions. [2020-07-18 05:10:30,771 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 198 transitions. [2020-07-18 05:10:30,954 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 198 edges. 198 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:10:33,265 INFO L225 Difference]: With dead ends: 8371 [2020-07-18 05:10:33,265 INFO L226 Difference]: Without dead ends: 8369 [2020-07-18 05:10:33,267 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 05:10:33,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8369 states. [2020-07-18 05:10:55,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8369 to 7023. [2020-07-18 05:10:55,717 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:10:55,718 INFO L82 GeneralOperation]: Start isEquivalent. First operand 8369 states. Second operand 7023 states. [2020-07-18 05:10:55,718 INFO L74 IsIncluded]: Start isIncluded. First operand 8369 states. Second operand 7023 states. [2020-07-18 05:10:55,718 INFO L87 Difference]: Start difference. First operand 8369 states. Second operand 7023 states. [2020-07-18 05:10:58,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:10:58,376 INFO L93 Difference]: Finished difference Result 8369 states and 10799 transitions. [2020-07-18 05:10:58,376 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 10799 transitions. [2020-07-18 05:10:58,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:10:58,381 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:10:58,381 INFO L74 IsIncluded]: Start isIncluded. First operand 7023 states. Second operand 8369 states. [2020-07-18 05:10:58,382 INFO L87 Difference]: Start difference. First operand 7023 states. Second operand 8369 states. [2020-07-18 05:11:00,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:00,991 INFO L93 Difference]: Finished difference Result 8369 states and 10799 transitions. [2020-07-18 05:11:00,991 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 10799 transitions. [2020-07-18 05:11:00,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:11:00,996 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:11:00,996 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:11:00,996 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:11:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states. [2020-07-18 05:11:02,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 9070 transitions. [2020-07-18 05:11:02,965 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 9070 transitions. Word has length 80 [2020-07-18 05:11:02,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:11:02,965 INFO L479 AbstractCegarLoop]: Abstraction has 7023 states and 9070 transitions. [2020-07-18 05:11:02,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:11:02,965 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7023 states and 9070 transitions. [2020-07-18 05:11:15,762 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9070 edges. 9070 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:15,763 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 9070 transitions. [2020-07-18 05:11:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-18 05:11:15,766 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:11:15,766 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 05:11:15,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-18 05:11:15,766 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:11:15,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:11:15,767 INFO L82 PathProgramCache]: Analyzing trace with hash 179548138, now seen corresponding path program 1 times [2020-07-18 05:11:15,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:11:15,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510673468] [2020-07-18 05:11:15,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:11:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:15,804 INFO L280 TraceCheckUtils]: 0: Hoare triple {230227#true} assume true; {230227#true} is VALID [2020-07-18 05:11:15,804 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {230227#true} {230227#true} #271#return; {230227#true} is VALID [2020-07-18 05:11:15,804 INFO L263 TraceCheckUtils]: 0: Hoare triple {230227#true} call ULTIMATE.init(); {230227#true} is VALID [2020-07-18 05:11:15,804 INFO L280 TraceCheckUtils]: 1: Hoare triple {230227#true} assume true; {230227#true} is VALID [2020-07-18 05:11:15,805 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {230227#true} {230227#true} #271#return; {230227#true} is VALID [2020-07-18 05:11:15,805 INFO L263 TraceCheckUtils]: 3: Hoare triple {230227#true} call #t~ret11 := main(); {230227#true} is VALID [2020-07-18 05:11:15,805 INFO L280 TraceCheckUtils]: 4: Hoare triple {230227#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {230227#true} is VALID [2020-07-18 05:11:15,805 INFO L280 TraceCheckUtils]: 5: Hoare triple {230227#true} ~p1~0 := #t~nondet0; {230227#true} is VALID [2020-07-18 05:11:15,805 INFO L280 TraceCheckUtils]: 6: Hoare triple {230227#true} havoc #t~nondet0; {230227#true} is VALID [2020-07-18 05:11:15,805 INFO L280 TraceCheckUtils]: 7: Hoare triple {230227#true} havoc ~lk1~0; {230227#true} is VALID [2020-07-18 05:11:15,806 INFO L280 TraceCheckUtils]: 8: Hoare triple {230227#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {230227#true} is VALID [2020-07-18 05:11:15,806 INFO L280 TraceCheckUtils]: 9: Hoare triple {230227#true} ~p2~0 := #t~nondet1; {230227#true} is VALID [2020-07-18 05:11:15,806 INFO L280 TraceCheckUtils]: 10: Hoare triple {230227#true} havoc #t~nondet1; {230227#true} is VALID [2020-07-18 05:11:15,806 INFO L280 TraceCheckUtils]: 11: Hoare triple {230227#true} havoc ~lk2~0; {230227#true} is VALID [2020-07-18 05:11:15,806 INFO L280 TraceCheckUtils]: 12: Hoare triple {230227#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {230227#true} is VALID [2020-07-18 05:11:15,807 INFO L280 TraceCheckUtils]: 13: Hoare triple {230227#true} ~p3~0 := #t~nondet2; {230227#true} is VALID [2020-07-18 05:11:15,807 INFO L280 TraceCheckUtils]: 14: Hoare triple {230227#true} havoc #t~nondet2; {230227#true} is VALID [2020-07-18 05:11:15,807 INFO L280 TraceCheckUtils]: 15: Hoare triple {230227#true} havoc ~lk3~0; {230227#true} is VALID [2020-07-18 05:11:15,807 INFO L280 TraceCheckUtils]: 16: Hoare triple {230227#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {230227#true} is VALID [2020-07-18 05:11:15,807 INFO L280 TraceCheckUtils]: 17: Hoare triple {230227#true} ~p4~0 := #t~nondet3; {230227#true} is VALID [2020-07-18 05:11:15,807 INFO L280 TraceCheckUtils]: 18: Hoare triple {230227#true} havoc #t~nondet3; {230227#true} is VALID [2020-07-18 05:11:15,808 INFO L280 TraceCheckUtils]: 19: Hoare triple {230227#true} havoc ~lk4~0; {230227#true} is VALID [2020-07-18 05:11:15,808 INFO L280 TraceCheckUtils]: 20: Hoare triple {230227#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {230227#true} is VALID [2020-07-18 05:11:15,808 INFO L280 TraceCheckUtils]: 21: Hoare triple {230227#true} ~p5~0 := #t~nondet4; {230227#true} is VALID [2020-07-18 05:11:15,808 INFO L280 TraceCheckUtils]: 22: Hoare triple {230227#true} havoc #t~nondet4; {230227#true} is VALID [2020-07-18 05:11:15,808 INFO L280 TraceCheckUtils]: 23: Hoare triple {230227#true} havoc ~lk5~0; {230227#true} is VALID [2020-07-18 05:11:15,808 INFO L280 TraceCheckUtils]: 24: Hoare triple {230227#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {230227#true} is VALID [2020-07-18 05:11:15,809 INFO L280 TraceCheckUtils]: 25: Hoare triple {230227#true} ~p6~0 := #t~nondet5; {230227#true} is VALID [2020-07-18 05:11:15,809 INFO L280 TraceCheckUtils]: 26: Hoare triple {230227#true} havoc #t~nondet5; {230227#true} is VALID [2020-07-18 05:11:15,809 INFO L280 TraceCheckUtils]: 27: Hoare triple {230227#true} havoc ~lk6~0; {230227#true} is VALID [2020-07-18 05:11:15,809 INFO L280 TraceCheckUtils]: 28: Hoare triple {230227#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {230227#true} is VALID [2020-07-18 05:11:15,809 INFO L280 TraceCheckUtils]: 29: Hoare triple {230227#true} ~p7~0 := #t~nondet6; {230227#true} is VALID [2020-07-18 05:11:15,810 INFO L280 TraceCheckUtils]: 30: Hoare triple {230227#true} havoc #t~nondet6; {230227#true} is VALID [2020-07-18 05:11:15,810 INFO L280 TraceCheckUtils]: 31: Hoare triple {230227#true} havoc ~lk7~0; {230227#true} is VALID [2020-07-18 05:11:15,810 INFO L280 TraceCheckUtils]: 32: Hoare triple {230227#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {230227#true} is VALID [2020-07-18 05:11:15,810 INFO L280 TraceCheckUtils]: 33: Hoare triple {230227#true} ~p8~0 := #t~nondet7; {230227#true} is VALID [2020-07-18 05:11:15,810 INFO L280 TraceCheckUtils]: 34: Hoare triple {230227#true} havoc #t~nondet7; {230227#true} is VALID [2020-07-18 05:11:15,810 INFO L280 TraceCheckUtils]: 35: Hoare triple {230227#true} havoc ~lk8~0; {230227#true} is VALID [2020-07-18 05:11:15,811 INFO L280 TraceCheckUtils]: 36: Hoare triple {230227#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {230227#true} is VALID [2020-07-18 05:11:15,811 INFO L280 TraceCheckUtils]: 37: Hoare triple {230227#true} ~p9~0 := #t~nondet8; {230227#true} is VALID [2020-07-18 05:11:15,811 INFO L280 TraceCheckUtils]: 38: Hoare triple {230227#true} havoc #t~nondet8; {230227#true} is VALID [2020-07-18 05:11:15,811 INFO L280 TraceCheckUtils]: 39: Hoare triple {230227#true} havoc ~lk9~0; {230227#true} is VALID [2020-07-18 05:11:15,811 INFO L280 TraceCheckUtils]: 40: Hoare triple {230227#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {230227#true} is VALID [2020-07-18 05:11:15,812 INFO L280 TraceCheckUtils]: 41: Hoare triple {230227#true} ~p10~0 := #t~nondet9; {230227#true} is VALID [2020-07-18 05:11:15,812 INFO L280 TraceCheckUtils]: 42: Hoare triple {230227#true} havoc #t~nondet9; {230227#true} is VALID [2020-07-18 05:11:15,812 INFO L280 TraceCheckUtils]: 43: Hoare triple {230227#true} havoc ~lk10~0; {230227#true} is VALID [2020-07-18 05:11:15,812 INFO L280 TraceCheckUtils]: 44: Hoare triple {230227#true} havoc ~cond~0; {230227#true} is VALID [2020-07-18 05:11:15,812 INFO L280 TraceCheckUtils]: 45: Hoare triple {230227#true} assume !false; {230227#true} is VALID [2020-07-18 05:11:15,812 INFO L280 TraceCheckUtils]: 46: Hoare triple {230227#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {230227#true} is VALID [2020-07-18 05:11:15,813 INFO L280 TraceCheckUtils]: 47: Hoare triple {230227#true} ~cond~0 := #t~nondet10; {230227#true} is VALID [2020-07-18 05:11:15,813 INFO L280 TraceCheckUtils]: 48: Hoare triple {230227#true} havoc #t~nondet10; {230227#true} is VALID [2020-07-18 05:11:15,813 INFO L280 TraceCheckUtils]: 49: Hoare triple {230227#true} assume !(0 == ~cond~0); {230227#true} is VALID [2020-07-18 05:11:15,813 INFO L280 TraceCheckUtils]: 50: Hoare triple {230227#true} ~lk1~0 := 0; {230227#true} is VALID [2020-07-18 05:11:15,813 INFO L280 TraceCheckUtils]: 51: Hoare triple {230227#true} ~lk2~0 := 0; {230227#true} is VALID [2020-07-18 05:11:15,813 INFO L280 TraceCheckUtils]: 52: Hoare triple {230227#true} ~lk3~0 := 0; {230227#true} is VALID [2020-07-18 05:11:15,814 INFO L280 TraceCheckUtils]: 53: Hoare triple {230227#true} ~lk4~0 := 0; {230227#true} is VALID [2020-07-18 05:11:15,814 INFO L280 TraceCheckUtils]: 54: Hoare triple {230227#true} ~lk5~0 := 0; {230227#true} is VALID [2020-07-18 05:11:15,814 INFO L280 TraceCheckUtils]: 55: Hoare triple {230227#true} ~lk6~0 := 0; {230227#true} is VALID [2020-07-18 05:11:15,814 INFO L280 TraceCheckUtils]: 56: Hoare triple {230227#true} ~lk7~0 := 0; {230227#true} is VALID [2020-07-18 05:11:15,814 INFO L280 TraceCheckUtils]: 57: Hoare triple {230227#true} ~lk8~0 := 0; {230227#true} is VALID [2020-07-18 05:11:15,814 INFO L280 TraceCheckUtils]: 58: Hoare triple {230227#true} ~lk9~0 := 0; {230227#true} is VALID [2020-07-18 05:11:15,815 INFO L280 TraceCheckUtils]: 59: Hoare triple {230227#true} ~lk10~0 := 0; {230227#true} is VALID [2020-07-18 05:11:15,815 INFO L280 TraceCheckUtils]: 60: Hoare triple {230227#true} assume !(0 != ~p1~0); {230227#true} is VALID [2020-07-18 05:11:15,815 INFO L280 TraceCheckUtils]: 61: Hoare triple {230227#true} assume !(0 != ~p2~0); {230227#true} is VALID [2020-07-18 05:11:15,815 INFO L280 TraceCheckUtils]: 62: Hoare triple {230227#true} assume !(0 != ~p3~0); {230227#true} is VALID [2020-07-18 05:11:15,815 INFO L280 TraceCheckUtils]: 63: Hoare triple {230227#true} assume !(0 != ~p4~0); {230227#true} is VALID [2020-07-18 05:11:15,815 INFO L280 TraceCheckUtils]: 64: Hoare triple {230227#true} assume !(0 != ~p5~0); {230227#true} is VALID [2020-07-18 05:11:15,816 INFO L280 TraceCheckUtils]: 65: Hoare triple {230227#true} assume !(0 != ~p6~0); {230227#true} is VALID [2020-07-18 05:11:15,816 INFO L280 TraceCheckUtils]: 66: Hoare triple {230227#true} assume !(0 != ~p7~0); {230227#true} is VALID [2020-07-18 05:11:15,822 INFO L280 TraceCheckUtils]: 67: Hoare triple {230227#true} assume !(0 != ~p8~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:15,822 INFO L280 TraceCheckUtils]: 68: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p9~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:15,823 INFO L280 TraceCheckUtils]: 69: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p10~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:15,823 INFO L280 TraceCheckUtils]: 70: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p1~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:15,824 INFO L280 TraceCheckUtils]: 71: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p2~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:15,825 INFO L280 TraceCheckUtils]: 72: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p3~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:15,825 INFO L280 TraceCheckUtils]: 73: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p4~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:15,826 INFO L280 TraceCheckUtils]: 74: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p5~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:15,826 INFO L280 TraceCheckUtils]: 75: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p6~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:15,827 INFO L280 TraceCheckUtils]: 76: Hoare triple {230231#(= 0 main_~p8~0)} assume !(0 != ~p7~0); {230231#(= 0 main_~p8~0)} is VALID [2020-07-18 05:11:15,827 INFO L280 TraceCheckUtils]: 77: Hoare triple {230231#(= 0 main_~p8~0)} assume 0 != ~p8~0; {230228#false} is VALID [2020-07-18 05:11:15,828 INFO L280 TraceCheckUtils]: 78: Hoare triple {230228#false} assume 1 != ~lk8~0; {230228#false} is VALID [2020-07-18 05:11:15,828 INFO L280 TraceCheckUtils]: 79: Hoare triple {230228#false} assume !false; {230228#false} is VALID [2020-07-18 05:11:15,831 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 05:11:15,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510673468] [2020-07-18 05:11:15,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:11:15,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:11:15,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706227403] [2020-07-18 05:11:15,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-18 05:11:15,833 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:11:15,833 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:11:15,895 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 05:11:15,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:11:15,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:11:15,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:11:15,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:11:15,896 INFO L87 Difference]: Start difference. First operand 7023 states and 9070 transitions. Second operand 3 states. [2020-07-18 05:12:52,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:12:52,124 INFO L93 Difference]: Finished difference Result 20595 states and 26608 transitions. [2020-07-18 05:12:52,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:12:52,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-18 05:12:52,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:12:52,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:12:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2020-07-18 05:12:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:12:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2020-07-18 05:12:52,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 308 transitions. [2020-07-18 05:12:52,411 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 308 edges. 308 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:13:01,727 INFO L225 Difference]: With dead ends: 20595 [2020-07-18 05:13:01,727 INFO L226 Difference]: Without dead ends: 13617 [2020-07-18 05:13:01,763 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 05:13:01,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13617 states. [2020-07-18 05:13:48,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13617 to 13615. [2020-07-18 05:13:48,068 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:13:48,068 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13617 states. Second operand 13615 states. [2020-07-18 05:13:48,068 INFO L74 IsIncluded]: Start isIncluded. First operand 13617 states. Second operand 13615 states. [2020-07-18 05:13:48,069 INFO L87 Difference]: Start difference. First operand 13617 states. Second operand 13615 states. [2020-07-18 05:13:57,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:13:57,873 INFO L93 Difference]: Finished difference Result 13617 states and 17327 transitions. [2020-07-18 05:13:57,873 INFO L276 IsEmpty]: Start isEmpty. Operand 13617 states and 17327 transitions. [2020-07-18 05:13:57,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:13:57,882 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:13:57,882 INFO L74 IsIncluded]: Start isIncluded. First operand 13615 states. Second operand 13617 states. [2020-07-18 05:13:57,882 INFO L87 Difference]: Start difference. First operand 13615 states. Second operand 13617 states. [2020-07-18 05:14:07,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:07,995 INFO L93 Difference]: Finished difference Result 13617 states and 17327 transitions. [2020-07-18 05:14:07,995 INFO L276 IsEmpty]: Start isEmpty. Operand 13617 states and 17327 transitions. [2020-07-18 05:14:08,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:08,008 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:08,008 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:14:08,008 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:14:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13615 states. [2020-07-18 05:14:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13615 states to 13615 states and 17326 transitions. [2020-07-18 05:14:25,898 INFO L78 Accepts]: Start accepts. Automaton has 13615 states and 17326 transitions. Word has length 80 [2020-07-18 05:14:25,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:14:25,898 INFO L479 AbstractCegarLoop]: Abstraction has 13615 states and 17326 transitions. [2020-07-18 05:14:25,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:14:25,899 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13615 states and 17326 transitions. [2020-07-18 05:14:51,333 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17326 edges. 17326 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 13615 states and 17326 transitions. [2020-07-18 05:14:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-18 05:14:51,339 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:51,339 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 05:14:51,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-18 05:14:51,339 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:51,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:51,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1037388505, now seen corresponding path program 1 times [2020-07-18 05:14:51,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:51,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439462951] [2020-07-18 05:14:51,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:51,378 INFO L280 TraceCheckUtils]: 0: Hoare triple {325888#true} assume true; {325888#true} is VALID [2020-07-18 05:14:51,378 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {325888#true} {325888#true} #271#return; {325888#true} is VALID [2020-07-18 05:14:51,378 INFO L263 TraceCheckUtils]: 0: Hoare triple {325888#true} call ULTIMATE.init(); {325888#true} is VALID [2020-07-18 05:14:51,378 INFO L280 TraceCheckUtils]: 1: Hoare triple {325888#true} assume true; {325888#true} is VALID [2020-07-18 05:14:51,379 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {325888#true} {325888#true} #271#return; {325888#true} is VALID [2020-07-18 05:14:51,379 INFO L263 TraceCheckUtils]: 3: Hoare triple {325888#true} call #t~ret11 := main(); {325888#true} is VALID [2020-07-18 05:14:51,379 INFO L280 TraceCheckUtils]: 4: Hoare triple {325888#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {325888#true} is VALID [2020-07-18 05:14:51,379 INFO L280 TraceCheckUtils]: 5: Hoare triple {325888#true} ~p1~0 := #t~nondet0; {325888#true} is VALID [2020-07-18 05:14:51,379 INFO L280 TraceCheckUtils]: 6: Hoare triple {325888#true} havoc #t~nondet0; {325888#true} is VALID [2020-07-18 05:14:51,379 INFO L280 TraceCheckUtils]: 7: Hoare triple {325888#true} havoc ~lk1~0; {325888#true} is VALID [2020-07-18 05:14:51,379 INFO L280 TraceCheckUtils]: 8: Hoare triple {325888#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {325888#true} is VALID [2020-07-18 05:14:51,379 INFO L280 TraceCheckUtils]: 9: Hoare triple {325888#true} ~p2~0 := #t~nondet1; {325888#true} is VALID [2020-07-18 05:14:51,380 INFO L280 TraceCheckUtils]: 10: Hoare triple {325888#true} havoc #t~nondet1; {325888#true} is VALID [2020-07-18 05:14:51,380 INFO L280 TraceCheckUtils]: 11: Hoare triple {325888#true} havoc ~lk2~0; {325888#true} is VALID [2020-07-18 05:14:51,380 INFO L280 TraceCheckUtils]: 12: Hoare triple {325888#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {325888#true} is VALID [2020-07-18 05:14:51,380 INFO L280 TraceCheckUtils]: 13: Hoare triple {325888#true} ~p3~0 := #t~nondet2; {325888#true} is VALID [2020-07-18 05:14:51,380 INFO L280 TraceCheckUtils]: 14: Hoare triple {325888#true} havoc #t~nondet2; {325888#true} is VALID [2020-07-18 05:14:51,380 INFO L280 TraceCheckUtils]: 15: Hoare triple {325888#true} havoc ~lk3~0; {325888#true} is VALID [2020-07-18 05:14:51,380 INFO L280 TraceCheckUtils]: 16: Hoare triple {325888#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {325888#true} is VALID [2020-07-18 05:14:51,380 INFO L280 TraceCheckUtils]: 17: Hoare triple {325888#true} ~p4~0 := #t~nondet3; {325888#true} is VALID [2020-07-18 05:14:51,380 INFO L280 TraceCheckUtils]: 18: Hoare triple {325888#true} havoc #t~nondet3; {325888#true} is VALID [2020-07-18 05:14:51,381 INFO L280 TraceCheckUtils]: 19: Hoare triple {325888#true} havoc ~lk4~0; {325888#true} is VALID [2020-07-18 05:14:51,381 INFO L280 TraceCheckUtils]: 20: Hoare triple {325888#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {325888#true} is VALID [2020-07-18 05:14:51,381 INFO L280 TraceCheckUtils]: 21: Hoare triple {325888#true} ~p5~0 := #t~nondet4; {325888#true} is VALID [2020-07-18 05:14:51,381 INFO L280 TraceCheckUtils]: 22: Hoare triple {325888#true} havoc #t~nondet4; {325888#true} is VALID [2020-07-18 05:14:51,381 INFO L280 TraceCheckUtils]: 23: Hoare triple {325888#true} havoc ~lk5~0; {325888#true} is VALID [2020-07-18 05:14:51,381 INFO L280 TraceCheckUtils]: 24: Hoare triple {325888#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {325888#true} is VALID [2020-07-18 05:14:51,381 INFO L280 TraceCheckUtils]: 25: Hoare triple {325888#true} ~p6~0 := #t~nondet5; {325888#true} is VALID [2020-07-18 05:14:51,381 INFO L280 TraceCheckUtils]: 26: Hoare triple {325888#true} havoc #t~nondet5; {325888#true} is VALID [2020-07-18 05:14:51,382 INFO L280 TraceCheckUtils]: 27: Hoare triple {325888#true} havoc ~lk6~0; {325888#true} is VALID [2020-07-18 05:14:51,382 INFO L280 TraceCheckUtils]: 28: Hoare triple {325888#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {325888#true} is VALID [2020-07-18 05:14:51,382 INFO L280 TraceCheckUtils]: 29: Hoare triple {325888#true} ~p7~0 := #t~nondet6; {325888#true} is VALID [2020-07-18 05:14:51,382 INFO L280 TraceCheckUtils]: 30: Hoare triple {325888#true} havoc #t~nondet6; {325888#true} is VALID [2020-07-18 05:14:51,382 INFO L280 TraceCheckUtils]: 31: Hoare triple {325888#true} havoc ~lk7~0; {325888#true} is VALID [2020-07-18 05:14:51,382 INFO L280 TraceCheckUtils]: 32: Hoare triple {325888#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {325888#true} is VALID [2020-07-18 05:14:51,382 INFO L280 TraceCheckUtils]: 33: Hoare triple {325888#true} ~p8~0 := #t~nondet7; {325888#true} is VALID [2020-07-18 05:14:51,382 INFO L280 TraceCheckUtils]: 34: Hoare triple {325888#true} havoc #t~nondet7; {325888#true} is VALID [2020-07-18 05:14:51,382 INFO L280 TraceCheckUtils]: 35: Hoare triple {325888#true} havoc ~lk8~0; {325888#true} is VALID [2020-07-18 05:14:51,383 INFO L280 TraceCheckUtils]: 36: Hoare triple {325888#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {325888#true} is VALID [2020-07-18 05:14:51,383 INFO L280 TraceCheckUtils]: 37: Hoare triple {325888#true} ~p9~0 := #t~nondet8; {325888#true} is VALID [2020-07-18 05:14:51,383 INFO L280 TraceCheckUtils]: 38: Hoare triple {325888#true} havoc #t~nondet8; {325888#true} is VALID [2020-07-18 05:14:51,383 INFO L280 TraceCheckUtils]: 39: Hoare triple {325888#true} havoc ~lk9~0; {325888#true} is VALID [2020-07-18 05:14:51,383 INFO L280 TraceCheckUtils]: 40: Hoare triple {325888#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {325888#true} is VALID [2020-07-18 05:14:51,383 INFO L280 TraceCheckUtils]: 41: Hoare triple {325888#true} ~p10~0 := #t~nondet9; {325888#true} is VALID [2020-07-18 05:14:51,383 INFO L280 TraceCheckUtils]: 42: Hoare triple {325888#true} havoc #t~nondet9; {325888#true} is VALID [2020-07-18 05:14:51,383 INFO L280 TraceCheckUtils]: 43: Hoare triple {325888#true} havoc ~lk10~0; {325888#true} is VALID [2020-07-18 05:14:51,384 INFO L280 TraceCheckUtils]: 44: Hoare triple {325888#true} havoc ~cond~0; {325888#true} is VALID [2020-07-18 05:14:51,384 INFO L280 TraceCheckUtils]: 45: Hoare triple {325888#true} assume !false; {325888#true} is VALID [2020-07-18 05:14:51,384 INFO L280 TraceCheckUtils]: 46: Hoare triple {325888#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {325888#true} is VALID [2020-07-18 05:14:51,384 INFO L280 TraceCheckUtils]: 47: Hoare triple {325888#true} ~cond~0 := #t~nondet10; {325888#true} is VALID [2020-07-18 05:14:51,384 INFO L280 TraceCheckUtils]: 48: Hoare triple {325888#true} havoc #t~nondet10; {325888#true} is VALID [2020-07-18 05:14:51,384 INFO L280 TraceCheckUtils]: 49: Hoare triple {325888#true} assume !(0 == ~cond~0); {325888#true} is VALID [2020-07-18 05:14:51,384 INFO L280 TraceCheckUtils]: 50: Hoare triple {325888#true} ~lk1~0 := 0; {325888#true} is VALID [2020-07-18 05:14:51,384 INFO L280 TraceCheckUtils]: 51: Hoare triple {325888#true} ~lk2~0 := 0; {325888#true} is VALID [2020-07-18 05:14:51,385 INFO L280 TraceCheckUtils]: 52: Hoare triple {325888#true} ~lk3~0 := 0; {325888#true} is VALID [2020-07-18 05:14:51,385 INFO L280 TraceCheckUtils]: 53: Hoare triple {325888#true} ~lk4~0 := 0; {325888#true} is VALID [2020-07-18 05:14:51,385 INFO L280 TraceCheckUtils]: 54: Hoare triple {325888#true} ~lk5~0 := 0; {325888#true} is VALID [2020-07-18 05:14:51,385 INFO L280 TraceCheckUtils]: 55: Hoare triple {325888#true} ~lk6~0 := 0; {325888#true} is VALID [2020-07-18 05:14:51,385 INFO L280 TraceCheckUtils]: 56: Hoare triple {325888#true} ~lk7~0 := 0; {325888#true} is VALID [2020-07-18 05:14:51,385 INFO L280 TraceCheckUtils]: 57: Hoare triple {325888#true} ~lk8~0 := 0; {325888#true} is VALID [2020-07-18 05:14:51,385 INFO L280 TraceCheckUtils]: 58: Hoare triple {325888#true} ~lk9~0 := 0; {325888#true} is VALID [2020-07-18 05:14:51,385 INFO L280 TraceCheckUtils]: 59: Hoare triple {325888#true} ~lk10~0 := 0; {325888#true} is VALID [2020-07-18 05:14:51,385 INFO L280 TraceCheckUtils]: 60: Hoare triple {325888#true} assume !(0 != ~p1~0); {325888#true} is VALID [2020-07-18 05:14:51,386 INFO L280 TraceCheckUtils]: 61: Hoare triple {325888#true} assume !(0 != ~p2~0); {325888#true} is VALID [2020-07-18 05:14:51,386 INFO L280 TraceCheckUtils]: 62: Hoare triple {325888#true} assume !(0 != ~p3~0); {325888#true} is VALID [2020-07-18 05:14:51,386 INFO L280 TraceCheckUtils]: 63: Hoare triple {325888#true} assume !(0 != ~p4~0); {325888#true} is VALID [2020-07-18 05:14:51,386 INFO L280 TraceCheckUtils]: 64: Hoare triple {325888#true} assume !(0 != ~p5~0); {325888#true} is VALID [2020-07-18 05:14:51,386 INFO L280 TraceCheckUtils]: 65: Hoare triple {325888#true} assume !(0 != ~p6~0); {325888#true} is VALID [2020-07-18 05:14:51,386 INFO L280 TraceCheckUtils]: 66: Hoare triple {325888#true} assume !(0 != ~p7~0); {325888#true} is VALID [2020-07-18 05:14:51,386 INFO L280 TraceCheckUtils]: 67: Hoare triple {325888#true} assume 0 != ~p8~0; {325888#true} is VALID [2020-07-18 05:14:51,387 INFO L280 TraceCheckUtils]: 68: Hoare triple {325888#true} ~lk8~0 := 1; {325892#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:51,387 INFO L280 TraceCheckUtils]: 69: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p9~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:51,388 INFO L280 TraceCheckUtils]: 70: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p10~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:51,388 INFO L280 TraceCheckUtils]: 71: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p1~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:51,388 INFO L280 TraceCheckUtils]: 72: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p2~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:51,389 INFO L280 TraceCheckUtils]: 73: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p3~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:51,389 INFO L280 TraceCheckUtils]: 74: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p4~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:51,390 INFO L280 TraceCheckUtils]: 75: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p5~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:51,390 INFO L280 TraceCheckUtils]: 76: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p6~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:51,390 INFO L280 TraceCheckUtils]: 77: Hoare triple {325892#(= 1 main_~lk8~0)} assume !(0 != ~p7~0); {325892#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:51,391 INFO L280 TraceCheckUtils]: 78: Hoare triple {325892#(= 1 main_~lk8~0)} assume 0 != ~p8~0; {325892#(= 1 main_~lk8~0)} is VALID [2020-07-18 05:14:51,391 INFO L280 TraceCheckUtils]: 79: Hoare triple {325892#(= 1 main_~lk8~0)} assume 1 != ~lk8~0; {325889#false} is VALID [2020-07-18 05:14:51,391 INFO L280 TraceCheckUtils]: 80: Hoare triple {325889#false} assume !false; {325889#false} is VALID [2020-07-18 05:14:51,395 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 05:14:51,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439462951] [2020-07-18 05:14:51,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:14:51,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:14:51,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72800842] [2020-07-18 05:14:51,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-18 05:14:51,396 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:14:51,396 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:14:51,473 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 05:14:51,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:14:51,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:14:51,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:14:51,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:14:51,474 INFO L87 Difference]: Start difference. First operand 13615 states and 17326 transitions. Second operand 3 states. [2020-07-18 05:16:14,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:14,046 INFO L93 Difference]: Finished difference Result 16051 states and 20272 transitions. [2020-07-18 05:16:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:16:14,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-18 05:16:14,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:16:14,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2020-07-18 05:16:14,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:16:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2020-07-18 05:16:14,048 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 194 transitions. [2020-07-18 05:16:14,232 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 194 edges. 194 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:25,564 INFO L225 Difference]: With dead ends: 16051 [2020-07-18 05:16:25,564 INFO L226 Difference]: Without dead ends: 16049 [2020-07-18 05:16:25,567 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 05:16:25,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16049 states. [2020-07-18 05:17:17,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16049 to 13615. [2020-07-18 05:17:17,650 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:17:17,650 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16049 states. Second operand 13615 states. [2020-07-18 05:17:17,650 INFO L74 IsIncluded]: Start isIncluded. First operand 16049 states. Second operand 13615 states. [2020-07-18 05:17:17,651 INFO L87 Difference]: Start difference. First operand 16049 states. Second operand 13615 states. [2020-07-18 05:17:27,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:27,617 INFO L93 Difference]: Finished difference Result 16049 states and 20143 transitions. [2020-07-18 05:17:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 16049 states and 20143 transitions. [2020-07-18 05:17:27,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:17:27,632 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:17:27,632 INFO L74 IsIncluded]: Start isIncluded. First operand 13615 states. Second operand 16049 states. [2020-07-18 05:17:27,632 INFO L87 Difference]: Start difference. First operand 13615 states. Second operand 16049 states. [2020-07-18 05:17:39,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:39,032 INFO L93 Difference]: Finished difference Result 16049 states and 20143 transitions. [2020-07-18 05:17:39,032 INFO L276 IsEmpty]: Start isEmpty. Operand 16049 states and 20143 transitions. [2020-07-18 05:17:39,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:17:39,043 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:17:39,043 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:17:39,043 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:17:39,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13615 states. [2020-07-18 05:17:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13615 states to 13615 states and 17198 transitions. [2020-07-18 05:17:47,800 INFO L78 Accepts]: Start accepts. Automaton has 13615 states and 17198 transitions. Word has length 81 [2020-07-18 05:17:47,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:17:47,801 INFO L479 AbstractCegarLoop]: Abstraction has 13615 states and 17198 transitions. [2020-07-18 05:17:47,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:17:47,801 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13615 states and 17198 transitions. [2020-07-18 05:18:12,379 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17198 edges. 17198 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:18:12,380 INFO L276 IsEmpty]: Start isEmpty. Operand 13615 states and 17198 transitions. [2020-07-18 05:18:12,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-18 05:18:12,384 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:18:12,384 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 05:18:12,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-18 05:18:12,385 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:18:12,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:18:12,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1271271512, now seen corresponding path program 1 times [2020-07-18 05:18:12,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:18:12,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098206845] [2020-07-18 05:18:12,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:18:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:18:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:18:12,417 INFO L280 TraceCheckUtils]: 0: Hoare triple {417325#true} assume true; {417325#true} is VALID [2020-07-18 05:18:12,417 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {417325#true} {417325#true} #271#return; {417325#true} is VALID [2020-07-18 05:18:12,417 INFO L263 TraceCheckUtils]: 0: Hoare triple {417325#true} call ULTIMATE.init(); {417325#true} is VALID [2020-07-18 05:18:12,417 INFO L280 TraceCheckUtils]: 1: Hoare triple {417325#true} assume true; {417325#true} is VALID [2020-07-18 05:18:12,417 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {417325#true} {417325#true} #271#return; {417325#true} is VALID [2020-07-18 05:18:12,417 INFO L263 TraceCheckUtils]: 3: Hoare triple {417325#true} call #t~ret11 := main(); {417325#true} is VALID [2020-07-18 05:18:12,418 INFO L280 TraceCheckUtils]: 4: Hoare triple {417325#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {417325#true} is VALID [2020-07-18 05:18:12,418 INFO L280 TraceCheckUtils]: 5: Hoare triple {417325#true} ~p1~0 := #t~nondet0; {417325#true} is VALID [2020-07-18 05:18:12,418 INFO L280 TraceCheckUtils]: 6: Hoare triple {417325#true} havoc #t~nondet0; {417325#true} is VALID [2020-07-18 05:18:12,418 INFO L280 TraceCheckUtils]: 7: Hoare triple {417325#true} havoc ~lk1~0; {417325#true} is VALID [2020-07-18 05:18:12,418 INFO L280 TraceCheckUtils]: 8: Hoare triple {417325#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {417325#true} is VALID [2020-07-18 05:18:12,418 INFO L280 TraceCheckUtils]: 9: Hoare triple {417325#true} ~p2~0 := #t~nondet1; {417325#true} is VALID [2020-07-18 05:18:12,418 INFO L280 TraceCheckUtils]: 10: Hoare triple {417325#true} havoc #t~nondet1; {417325#true} is VALID [2020-07-18 05:18:12,418 INFO L280 TraceCheckUtils]: 11: Hoare triple {417325#true} havoc ~lk2~0; {417325#true} is VALID [2020-07-18 05:18:12,419 INFO L280 TraceCheckUtils]: 12: Hoare triple {417325#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {417325#true} is VALID [2020-07-18 05:18:12,419 INFO L280 TraceCheckUtils]: 13: Hoare triple {417325#true} ~p3~0 := #t~nondet2; {417325#true} is VALID [2020-07-18 05:18:12,419 INFO L280 TraceCheckUtils]: 14: Hoare triple {417325#true} havoc #t~nondet2; {417325#true} is VALID [2020-07-18 05:18:12,419 INFO L280 TraceCheckUtils]: 15: Hoare triple {417325#true} havoc ~lk3~0; {417325#true} is VALID [2020-07-18 05:18:12,419 INFO L280 TraceCheckUtils]: 16: Hoare triple {417325#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {417325#true} is VALID [2020-07-18 05:18:12,419 INFO L280 TraceCheckUtils]: 17: Hoare triple {417325#true} ~p4~0 := #t~nondet3; {417325#true} is VALID [2020-07-18 05:18:12,419 INFO L280 TraceCheckUtils]: 18: Hoare triple {417325#true} havoc #t~nondet3; {417325#true} is VALID [2020-07-18 05:18:12,419 INFO L280 TraceCheckUtils]: 19: Hoare triple {417325#true} havoc ~lk4~0; {417325#true} is VALID [2020-07-18 05:18:12,419 INFO L280 TraceCheckUtils]: 20: Hoare triple {417325#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {417325#true} is VALID [2020-07-18 05:18:12,420 INFO L280 TraceCheckUtils]: 21: Hoare triple {417325#true} ~p5~0 := #t~nondet4; {417325#true} is VALID [2020-07-18 05:18:12,420 INFO L280 TraceCheckUtils]: 22: Hoare triple {417325#true} havoc #t~nondet4; {417325#true} is VALID [2020-07-18 05:18:12,420 INFO L280 TraceCheckUtils]: 23: Hoare triple {417325#true} havoc ~lk5~0; {417325#true} is VALID [2020-07-18 05:18:12,420 INFO L280 TraceCheckUtils]: 24: Hoare triple {417325#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {417325#true} is VALID [2020-07-18 05:18:12,420 INFO L280 TraceCheckUtils]: 25: Hoare triple {417325#true} ~p6~0 := #t~nondet5; {417325#true} is VALID [2020-07-18 05:18:12,420 INFO L280 TraceCheckUtils]: 26: Hoare triple {417325#true} havoc #t~nondet5; {417325#true} is VALID [2020-07-18 05:18:12,420 INFO L280 TraceCheckUtils]: 27: Hoare triple {417325#true} havoc ~lk6~0; {417325#true} is VALID [2020-07-18 05:18:12,420 INFO L280 TraceCheckUtils]: 28: Hoare triple {417325#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {417325#true} is VALID [2020-07-18 05:18:12,421 INFO L280 TraceCheckUtils]: 29: Hoare triple {417325#true} ~p7~0 := #t~nondet6; {417325#true} is VALID [2020-07-18 05:18:12,421 INFO L280 TraceCheckUtils]: 30: Hoare triple {417325#true} havoc #t~nondet6; {417325#true} is VALID [2020-07-18 05:18:12,421 INFO L280 TraceCheckUtils]: 31: Hoare triple {417325#true} havoc ~lk7~0; {417325#true} is VALID [2020-07-18 05:18:12,421 INFO L280 TraceCheckUtils]: 32: Hoare triple {417325#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {417325#true} is VALID [2020-07-18 05:18:12,421 INFO L280 TraceCheckUtils]: 33: Hoare triple {417325#true} ~p8~0 := #t~nondet7; {417325#true} is VALID [2020-07-18 05:18:12,421 INFO L280 TraceCheckUtils]: 34: Hoare triple {417325#true} havoc #t~nondet7; {417325#true} is VALID [2020-07-18 05:18:12,421 INFO L280 TraceCheckUtils]: 35: Hoare triple {417325#true} havoc ~lk8~0; {417325#true} is VALID [2020-07-18 05:18:12,422 INFO L280 TraceCheckUtils]: 36: Hoare triple {417325#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {417325#true} is VALID [2020-07-18 05:18:12,422 INFO L280 TraceCheckUtils]: 37: Hoare triple {417325#true} ~p9~0 := #t~nondet8; {417325#true} is VALID [2020-07-18 05:18:12,422 INFO L280 TraceCheckUtils]: 38: Hoare triple {417325#true} havoc #t~nondet8; {417325#true} is VALID [2020-07-18 05:18:12,422 INFO L280 TraceCheckUtils]: 39: Hoare triple {417325#true} havoc ~lk9~0; {417325#true} is VALID [2020-07-18 05:18:12,422 INFO L280 TraceCheckUtils]: 40: Hoare triple {417325#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {417325#true} is VALID [2020-07-18 05:18:12,423 INFO L280 TraceCheckUtils]: 41: Hoare triple {417325#true} ~p10~0 := #t~nondet9; {417325#true} is VALID [2020-07-18 05:18:12,423 INFO L280 TraceCheckUtils]: 42: Hoare triple {417325#true} havoc #t~nondet9; {417325#true} is VALID [2020-07-18 05:18:12,423 INFO L280 TraceCheckUtils]: 43: Hoare triple {417325#true} havoc ~lk10~0; {417325#true} is VALID [2020-07-18 05:18:12,423 INFO L280 TraceCheckUtils]: 44: Hoare triple {417325#true} havoc ~cond~0; {417325#true} is VALID [2020-07-18 05:18:12,423 INFO L280 TraceCheckUtils]: 45: Hoare triple {417325#true} assume !false; {417325#true} is VALID [2020-07-18 05:18:12,423 INFO L280 TraceCheckUtils]: 46: Hoare triple {417325#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {417325#true} is VALID [2020-07-18 05:18:12,424 INFO L280 TraceCheckUtils]: 47: Hoare triple {417325#true} ~cond~0 := #t~nondet10; {417325#true} is VALID [2020-07-18 05:18:12,424 INFO L280 TraceCheckUtils]: 48: Hoare triple {417325#true} havoc #t~nondet10; {417325#true} is VALID [2020-07-18 05:18:12,424 INFO L280 TraceCheckUtils]: 49: Hoare triple {417325#true} assume !(0 == ~cond~0); {417325#true} is VALID [2020-07-18 05:18:12,424 INFO L280 TraceCheckUtils]: 50: Hoare triple {417325#true} ~lk1~0 := 0; {417325#true} is VALID [2020-07-18 05:18:12,424 INFO L280 TraceCheckUtils]: 51: Hoare triple {417325#true} ~lk2~0 := 0; {417325#true} is VALID [2020-07-18 05:18:12,424 INFO L280 TraceCheckUtils]: 52: Hoare triple {417325#true} ~lk3~0 := 0; {417325#true} is VALID [2020-07-18 05:18:12,425 INFO L280 TraceCheckUtils]: 53: Hoare triple {417325#true} ~lk4~0 := 0; {417325#true} is VALID [2020-07-18 05:18:12,425 INFO L280 TraceCheckUtils]: 54: Hoare triple {417325#true} ~lk5~0 := 0; {417325#true} is VALID [2020-07-18 05:18:12,425 INFO L280 TraceCheckUtils]: 55: Hoare triple {417325#true} ~lk6~0 := 0; {417325#true} is VALID [2020-07-18 05:18:12,425 INFO L280 TraceCheckUtils]: 56: Hoare triple {417325#true} ~lk7~0 := 0; {417325#true} is VALID [2020-07-18 05:18:12,425 INFO L280 TraceCheckUtils]: 57: Hoare triple {417325#true} ~lk8~0 := 0; {417325#true} is VALID [2020-07-18 05:18:12,425 INFO L280 TraceCheckUtils]: 58: Hoare triple {417325#true} ~lk9~0 := 0; {417325#true} is VALID [2020-07-18 05:18:12,426 INFO L280 TraceCheckUtils]: 59: Hoare triple {417325#true} ~lk10~0 := 0; {417325#true} is VALID [2020-07-18 05:18:12,426 INFO L280 TraceCheckUtils]: 60: Hoare triple {417325#true} assume !(0 != ~p1~0); {417325#true} is VALID [2020-07-18 05:18:12,426 INFO L280 TraceCheckUtils]: 61: Hoare triple {417325#true} assume !(0 != ~p2~0); {417325#true} is VALID [2020-07-18 05:18:12,426 INFO L280 TraceCheckUtils]: 62: Hoare triple {417325#true} assume !(0 != ~p3~0); {417325#true} is VALID [2020-07-18 05:18:12,426 INFO L280 TraceCheckUtils]: 63: Hoare triple {417325#true} assume !(0 != ~p4~0); {417325#true} is VALID [2020-07-18 05:18:12,426 INFO L280 TraceCheckUtils]: 64: Hoare triple {417325#true} assume !(0 != ~p5~0); {417325#true} is VALID [2020-07-18 05:18:12,427 INFO L280 TraceCheckUtils]: 65: Hoare triple {417325#true} assume !(0 != ~p6~0); {417325#true} is VALID [2020-07-18 05:18:12,427 INFO L280 TraceCheckUtils]: 66: Hoare triple {417325#true} assume !(0 != ~p7~0); {417325#true} is VALID [2020-07-18 05:18:12,427 INFO L280 TraceCheckUtils]: 67: Hoare triple {417325#true} assume !(0 != ~p8~0); {417325#true} is VALID [2020-07-18 05:18:12,428 INFO L280 TraceCheckUtils]: 68: Hoare triple {417325#true} assume !(0 != ~p9~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:12,429 INFO L280 TraceCheckUtils]: 69: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p10~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:12,429 INFO L280 TraceCheckUtils]: 70: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p1~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:12,430 INFO L280 TraceCheckUtils]: 71: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p2~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:12,430 INFO L280 TraceCheckUtils]: 72: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p3~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:12,431 INFO L280 TraceCheckUtils]: 73: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p4~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:12,431 INFO L280 TraceCheckUtils]: 74: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p5~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:12,432 INFO L280 TraceCheckUtils]: 75: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p6~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:12,432 INFO L280 TraceCheckUtils]: 76: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p7~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:12,433 INFO L280 TraceCheckUtils]: 77: Hoare triple {417329#(= 0 main_~p9~0)} assume !(0 != ~p8~0); {417329#(= 0 main_~p9~0)} is VALID [2020-07-18 05:18:12,441 INFO L280 TraceCheckUtils]: 78: Hoare triple {417329#(= 0 main_~p9~0)} assume 0 != ~p9~0; {417326#false} is VALID [2020-07-18 05:18:12,441 INFO L280 TraceCheckUtils]: 79: Hoare triple {417326#false} assume 1 != ~lk9~0; {417326#false} is VALID [2020-07-18 05:18:12,441 INFO L280 TraceCheckUtils]: 80: Hoare triple {417326#false} assume !false; {417326#false} is VALID [2020-07-18 05:18:12,444 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 05:18:12,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098206845] [2020-07-18 05:18:12,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:18:12,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:18:12,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751027864] [2020-07-18 05:18:12,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-18 05:18:12,445 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:18:12,445 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:18:12,507 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 05:18:12,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:18:12,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:18:12,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:18:12,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:18:12,508 INFO L87 Difference]: Start difference. First operand 13615 states and 17198 transitions. Second operand 3 states.