/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/locks/test_locks_11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 16:15:33,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 16:15:33,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 16:15:33,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 16:15:33,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 16:15:33,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 16:15:33,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 16:15:33,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 16:15:33,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 16:15:33,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 16:15:33,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 16:15:33,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 16:15:33,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 16:15:33,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 16:15:33,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 16:15:33,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 16:15:33,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 16:15:33,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 16:15:33,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 16:15:33,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 16:15:33,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 16:15:33,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 16:15:33,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 16:15:33,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 16:15:33,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 16:15:33,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 16:15:33,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 16:15:33,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 16:15:33,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 16:15:33,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 16:15:33,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 16:15:33,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 16:15:33,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 16:15:33,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 16:15:33,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 16:15:33,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 16:15:33,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 16:15:33,996 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 16:15:33,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 16:15:33,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 16:15:33,998 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 16:15:33,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 16:15:33,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 16:15:33,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 16:15:33,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 16:15:33,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 16:15:33,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 16:15:33,999 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 16:15:34,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 16:15:34,000 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 16:15:34,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 16:15:34,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 16:15:34,000 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 16:15:34,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 16:15:34,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 16:15:34,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 16:15:34,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 16:15:34,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 16:15:34,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 16:15:34,002 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 16:15:34,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 16:15:34,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 16:15:34,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 16:15:34,338 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 16:15:34,339 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 16:15:34,340 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_11.c [2020-07-08 16:15:34,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9f98db7/e8ba6f0e9a8747609a963ebbfebe557f/FLAG377964dd2 [2020-07-08 16:15:34,938 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 16:15:34,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_11.c [2020-07-08 16:15:34,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9f98db7/e8ba6f0e9a8747609a963ebbfebe557f/FLAG377964dd2 [2020-07-08 16:15:35,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9f98db7/e8ba6f0e9a8747609a963ebbfebe557f [2020-07-08 16:15:35,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 16:15:35,270 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 16:15:35,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 16:15:35,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 16:15:35,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 16:15:35,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 04:15:35" (1/1) ... [2020-07-08 16:15:35,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc51f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:15:35, skipping insertion in model container [2020-07-08 16:15:35,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 04:15:35" (1/1) ... [2020-07-08 16:15:35,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 16:15:35,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 16:15:35,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 16:15:35,512 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 16:15:35,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 16:15:35,561 INFO L208 MainTranslator]: Completed translation [2020-07-08 16:15:35,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:15:35 WrapperNode [2020-07-08 16:15:35,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 16:15:35,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 16:15:35,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 16:15:35,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 16:15:35,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:15:35" (1/1) ... [2020-07-08 16:15:35,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:15:35" (1/1) ... [2020-07-08 16:15:35,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:15:35" (1/1) ... [2020-07-08 16:15:35,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:15:35" (1/1) ... [2020-07-08 16:15:35,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:15:35" (1/1) ... [2020-07-08 16:15:35,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:15:35" (1/1) ... [2020-07-08 16:15:35,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:15:35" (1/1) ... [2020-07-08 16:15:35,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 16:15:35,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 16:15:35,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 16:15:35,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 16:15:35,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:15:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 16:15:35,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 16:15:35,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 16:15:35,778 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 16:15:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 16:15:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 16:15:35,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 16:15:35,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 16:15:35,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 16:15:36,467 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 16:15:36,467 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-08 16:15:36,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 04:15:36 BoogieIcfgContainer [2020-07-08 16:15:36,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 16:15:36,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 16:15:36,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 16:15:36,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 16:15:36,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 04:15:35" (1/3) ... [2020-07-08 16:15:36,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f61d27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 04:15:36, skipping insertion in model container [2020-07-08 16:15:36,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:15:35" (2/3) ... [2020-07-08 16:15:36,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f61d27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 04:15:36, skipping insertion in model container [2020-07-08 16:15:36,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 04:15:36" (3/3) ... [2020-07-08 16:15:36,500 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_11.c [2020-07-08 16:15:36,513 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 16:15:36,526 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 16:15:36,545 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 16:15:36,576 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 16:15:36,576 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 16:15:36,576 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 16:15:36,576 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 16:15:36,577 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 16:15:36,577 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 16:15:36,577 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 16:15:36,578 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 16:15:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-07-08 16:15:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-08 16:15:36,633 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:15:36,636 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] [2020-07-08 16:15:36,636 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:15:36,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:15:36,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1546178992, now seen corresponding path program 1 times [2020-07-08 16:15:36,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:15:36,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902410784] [2020-07-08 16:15:36,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:15:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:36,977 INFO L280 TraceCheckUtils]: 0: Hoare triple {131#true} assume true; {131#true} is VALID [2020-07-08 16:15:36,978 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {131#true} {131#true} #295#return; {131#true} is VALID [2020-07-08 16:15:36,980 INFO L263 TraceCheckUtils]: 0: Hoare triple {131#true} call ULTIMATE.init(); {131#true} is VALID [2020-07-08 16:15:36,981 INFO L280 TraceCheckUtils]: 1: Hoare triple {131#true} assume true; {131#true} is VALID [2020-07-08 16:15:36,982 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {131#true} {131#true} #295#return; {131#true} is VALID [2020-07-08 16:15:36,982 INFO L263 TraceCheckUtils]: 3: Hoare triple {131#true} call #t~ret12 := main(); {131#true} is VALID [2020-07-08 16:15:36,982 INFO L280 TraceCheckUtils]: 4: Hoare triple {131#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {131#true} is VALID [2020-07-08 16:15:36,983 INFO L280 TraceCheckUtils]: 5: Hoare triple {131#true} ~p1~0 := #t~nondet0; {131#true} is VALID [2020-07-08 16:15:36,983 INFO L280 TraceCheckUtils]: 6: Hoare triple {131#true} havoc #t~nondet0; {131#true} is VALID [2020-07-08 16:15:36,984 INFO L280 TraceCheckUtils]: 7: Hoare triple {131#true} havoc ~lk1~0; {131#true} is VALID [2020-07-08 16:15:36,984 INFO L280 TraceCheckUtils]: 8: Hoare triple {131#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {131#true} is VALID [2020-07-08 16:15:36,984 INFO L280 TraceCheckUtils]: 9: Hoare triple {131#true} ~p2~0 := #t~nondet1; {131#true} is VALID [2020-07-08 16:15:36,985 INFO L280 TraceCheckUtils]: 10: Hoare triple {131#true} havoc #t~nondet1; {131#true} is VALID [2020-07-08 16:15:36,985 INFO L280 TraceCheckUtils]: 11: Hoare triple {131#true} havoc ~lk2~0; {131#true} is VALID [2020-07-08 16:15:36,985 INFO L280 TraceCheckUtils]: 12: Hoare triple {131#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {131#true} is VALID [2020-07-08 16:15:36,986 INFO L280 TraceCheckUtils]: 13: Hoare triple {131#true} ~p3~0 := #t~nondet2; {131#true} is VALID [2020-07-08 16:15:36,986 INFO L280 TraceCheckUtils]: 14: Hoare triple {131#true} havoc #t~nondet2; {131#true} is VALID [2020-07-08 16:15:36,987 INFO L280 TraceCheckUtils]: 15: Hoare triple {131#true} havoc ~lk3~0; {131#true} is VALID [2020-07-08 16:15:36,987 INFO L280 TraceCheckUtils]: 16: Hoare triple {131#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {131#true} is VALID [2020-07-08 16:15:36,987 INFO L280 TraceCheckUtils]: 17: Hoare triple {131#true} ~p4~0 := #t~nondet3; {131#true} is VALID [2020-07-08 16:15:36,988 INFO L280 TraceCheckUtils]: 18: Hoare triple {131#true} havoc #t~nondet3; {131#true} is VALID [2020-07-08 16:15:36,988 INFO L280 TraceCheckUtils]: 19: Hoare triple {131#true} havoc ~lk4~0; {131#true} is VALID [2020-07-08 16:15:36,988 INFO L280 TraceCheckUtils]: 20: Hoare triple {131#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {131#true} is VALID [2020-07-08 16:15:36,989 INFO L280 TraceCheckUtils]: 21: Hoare triple {131#true} ~p5~0 := #t~nondet4; {131#true} is VALID [2020-07-08 16:15:36,989 INFO L280 TraceCheckUtils]: 22: Hoare triple {131#true} havoc #t~nondet4; {131#true} is VALID [2020-07-08 16:15:36,990 INFO L280 TraceCheckUtils]: 23: Hoare triple {131#true} havoc ~lk5~0; {131#true} is VALID [2020-07-08 16:15:36,990 INFO L280 TraceCheckUtils]: 24: Hoare triple {131#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {131#true} is VALID [2020-07-08 16:15:36,990 INFO L280 TraceCheckUtils]: 25: Hoare triple {131#true} ~p6~0 := #t~nondet5; {131#true} is VALID [2020-07-08 16:15:36,991 INFO L280 TraceCheckUtils]: 26: Hoare triple {131#true} havoc #t~nondet5; {131#true} is VALID [2020-07-08 16:15:36,991 INFO L280 TraceCheckUtils]: 27: Hoare triple {131#true} havoc ~lk6~0; {131#true} is VALID [2020-07-08 16:15:36,991 INFO L280 TraceCheckUtils]: 28: Hoare triple {131#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {131#true} is VALID [2020-07-08 16:15:36,992 INFO L280 TraceCheckUtils]: 29: Hoare triple {131#true} ~p7~0 := #t~nondet6; {131#true} is VALID [2020-07-08 16:15:36,992 INFO L280 TraceCheckUtils]: 30: Hoare triple {131#true} havoc #t~nondet6; {131#true} is VALID [2020-07-08 16:15:36,993 INFO L280 TraceCheckUtils]: 31: Hoare triple {131#true} havoc ~lk7~0; {131#true} is VALID [2020-07-08 16:15:36,993 INFO L280 TraceCheckUtils]: 32: Hoare triple {131#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {131#true} is VALID [2020-07-08 16:15:36,993 INFO L280 TraceCheckUtils]: 33: Hoare triple {131#true} ~p8~0 := #t~nondet7; {131#true} is VALID [2020-07-08 16:15:36,994 INFO L280 TraceCheckUtils]: 34: Hoare triple {131#true} havoc #t~nondet7; {131#true} is VALID [2020-07-08 16:15:36,994 INFO L280 TraceCheckUtils]: 35: Hoare triple {131#true} havoc ~lk8~0; {131#true} is VALID [2020-07-08 16:15:36,994 INFO L280 TraceCheckUtils]: 36: Hoare triple {131#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {131#true} is VALID [2020-07-08 16:15:36,995 INFO L280 TraceCheckUtils]: 37: Hoare triple {131#true} ~p9~0 := #t~nondet8; {131#true} is VALID [2020-07-08 16:15:36,995 INFO L280 TraceCheckUtils]: 38: Hoare triple {131#true} havoc #t~nondet8; {131#true} is VALID [2020-07-08 16:15:36,996 INFO L280 TraceCheckUtils]: 39: Hoare triple {131#true} havoc ~lk9~0; {131#true} is VALID [2020-07-08 16:15:36,996 INFO L280 TraceCheckUtils]: 40: Hoare triple {131#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {131#true} is VALID [2020-07-08 16:15:36,996 INFO L280 TraceCheckUtils]: 41: Hoare triple {131#true} ~p10~0 := #t~nondet9; {131#true} is VALID [2020-07-08 16:15:36,997 INFO L280 TraceCheckUtils]: 42: Hoare triple {131#true} havoc #t~nondet9; {131#true} is VALID [2020-07-08 16:15:36,997 INFO L280 TraceCheckUtils]: 43: Hoare triple {131#true} havoc ~lk10~0; {131#true} is VALID [2020-07-08 16:15:36,997 INFO L280 TraceCheckUtils]: 44: Hoare triple {131#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {131#true} is VALID [2020-07-08 16:15:36,998 INFO L280 TraceCheckUtils]: 45: Hoare triple {131#true} ~p11~0 := #t~nondet10; {131#true} is VALID [2020-07-08 16:15:36,998 INFO L280 TraceCheckUtils]: 46: Hoare triple {131#true} havoc #t~nondet10; {131#true} is VALID [2020-07-08 16:15:36,998 INFO L280 TraceCheckUtils]: 47: Hoare triple {131#true} havoc ~lk11~0; {131#true} is VALID [2020-07-08 16:15:36,999 INFO L280 TraceCheckUtils]: 48: Hoare triple {131#true} havoc ~cond~0; {131#true} is VALID [2020-07-08 16:15:36,999 INFO L280 TraceCheckUtils]: 49: Hoare triple {131#true} assume !false; {131#true} is VALID [2020-07-08 16:15:37,000 INFO L280 TraceCheckUtils]: 50: Hoare triple {131#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {131#true} is VALID [2020-07-08 16:15:37,000 INFO L280 TraceCheckUtils]: 51: Hoare triple {131#true} ~cond~0 := #t~nondet11; {131#true} is VALID [2020-07-08 16:15:37,000 INFO L280 TraceCheckUtils]: 52: Hoare triple {131#true} havoc #t~nondet11; {131#true} is VALID [2020-07-08 16:15:37,001 INFO L280 TraceCheckUtils]: 53: Hoare triple {131#true} assume !(0 == ~cond~0); {131#true} is VALID [2020-07-08 16:15:37,001 INFO L280 TraceCheckUtils]: 54: Hoare triple {131#true} ~lk1~0 := 0; {131#true} is VALID [2020-07-08 16:15:37,001 INFO L280 TraceCheckUtils]: 55: Hoare triple {131#true} ~lk2~0 := 0; {131#true} is VALID [2020-07-08 16:15:37,002 INFO L280 TraceCheckUtils]: 56: Hoare triple {131#true} ~lk3~0 := 0; {131#true} is VALID [2020-07-08 16:15:37,002 INFO L280 TraceCheckUtils]: 57: Hoare triple {131#true} ~lk4~0 := 0; {131#true} is VALID [2020-07-08 16:15:37,002 INFO L280 TraceCheckUtils]: 58: Hoare triple {131#true} ~lk5~0 := 0; {131#true} is VALID [2020-07-08 16:15:37,003 INFO L280 TraceCheckUtils]: 59: Hoare triple {131#true} ~lk6~0 := 0; {131#true} is VALID [2020-07-08 16:15:37,003 INFO L280 TraceCheckUtils]: 60: Hoare triple {131#true} ~lk7~0 := 0; {131#true} is VALID [2020-07-08 16:15:37,004 INFO L280 TraceCheckUtils]: 61: Hoare triple {131#true} ~lk8~0 := 0; {131#true} is VALID [2020-07-08 16:15:37,004 INFO L280 TraceCheckUtils]: 62: Hoare triple {131#true} ~lk9~0 := 0; {131#true} is VALID [2020-07-08 16:15:37,007 INFO L280 TraceCheckUtils]: 63: Hoare triple {131#true} ~lk10~0 := 0; {131#true} is VALID [2020-07-08 16:15:37,008 INFO L280 TraceCheckUtils]: 64: Hoare triple {131#true} ~lk11~0 := 0; {131#true} is VALID [2020-07-08 16:15:37,013 INFO L280 TraceCheckUtils]: 65: Hoare triple {131#true} assume !(0 != ~p1~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-08 16:15:37,014 INFO L280 TraceCheckUtils]: 66: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p2~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-08 16:15:37,016 INFO L280 TraceCheckUtils]: 67: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p3~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-08 16:15:37,018 INFO L280 TraceCheckUtils]: 68: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p4~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-08 16:15:37,021 INFO L280 TraceCheckUtils]: 69: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p5~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-08 16:15:37,022 INFO L280 TraceCheckUtils]: 70: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p6~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-08 16:15:37,023 INFO L280 TraceCheckUtils]: 71: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p7~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-08 16:15:37,025 INFO L280 TraceCheckUtils]: 72: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p8~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-08 16:15:37,026 INFO L280 TraceCheckUtils]: 73: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p9~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-08 16:15:37,027 INFO L280 TraceCheckUtils]: 74: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p10~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-08 16:15:37,028 INFO L280 TraceCheckUtils]: 75: Hoare triple {135#(= 0 main_~p1~0)} assume !(0 != ~p11~0); {135#(= 0 main_~p1~0)} is VALID [2020-07-08 16:15:37,030 INFO L280 TraceCheckUtils]: 76: Hoare triple {135#(= 0 main_~p1~0)} assume 0 != ~p1~0; {132#false} is VALID [2020-07-08 16:15:37,030 INFO L280 TraceCheckUtils]: 77: Hoare triple {132#false} assume 1 != ~lk1~0; {132#false} is VALID [2020-07-08 16:15:37,031 INFO L280 TraceCheckUtils]: 78: Hoare triple {132#false} assume !false; {132#false} is VALID [2020-07-08 16:15:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:15:37,048 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:15:37,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902410784] [2020-07-08 16:15:37,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:15:37,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:15:37,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731968577] [2020-07-08 16:15:37,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-08 16:15:37,066 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:15:37,071 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:15:37,194 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:37,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:15:37,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:15:37,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:15:37,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:15:37,208 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2020-07-08 16:15:37,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:37,942 INFO L93 Difference]: Finished difference Result 279 states and 384 transitions. [2020-07-08 16:15:37,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:15:37,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-07-08 16:15:37,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:15:37,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:37,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2020-07-08 16:15:37,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2020-07-08 16:15:37,991 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 384 transitions. [2020-07-08 16:15:38,469 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 384 edges. 384 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:38,493 INFO L225 Difference]: With dead ends: 279 [2020-07-08 16:15:38,493 INFO L226 Difference]: Without dead ends: 192 [2020-07-08 16:15:38,498 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 [2020-07-08 16:15:38,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-08 16:15:38,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 190. [2020-07-08 16:15:38,669 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:15:38,670 INFO L82 GeneralOperation]: Start isEquivalent. First operand 192 states. Second operand 190 states. [2020-07-08 16:15:38,670 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states. Second operand 190 states. [2020-07-08 16:15:38,670 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 190 states. [2020-07-08 16:15:38,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:38,685 INFO L93 Difference]: Finished difference Result 192 states and 253 transitions. [2020-07-08 16:15:38,685 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 253 transitions. [2020-07-08 16:15:38,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:15:38,688 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:15:38,688 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 192 states. [2020-07-08 16:15:38,688 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 192 states. [2020-07-08 16:15:38,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:38,701 INFO L93 Difference]: Finished difference Result 192 states and 253 transitions. [2020-07-08 16:15:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 253 transitions. [2020-07-08 16:15:38,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:15:38,703 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:15:38,703 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:15:38,704 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:15:38,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-07-08 16:15:38,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 252 transitions. [2020-07-08 16:15:38,716 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 252 transitions. Word has length 79 [2020-07-08 16:15:38,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:15:38,717 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 252 transitions. [2020-07-08 16:15:38,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:15:38,717 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 190 states and 252 transitions. [2020-07-08 16:15:38,980 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 252 edges. 252 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 252 transitions. [2020-07-08 16:15:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-08 16:15:38,984 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:15:38,985 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] [2020-07-08 16:15:38,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 16:15:38,985 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:15:38,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:15:38,986 INFO L82 PathProgramCache]: Analyzing trace with hash 687152074, now seen corresponding path program 1 times [2020-07-08 16:15:38,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:15:38,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018836398] [2020-07-08 16:15:38,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:15:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:39,083 INFO L280 TraceCheckUtils]: 0: Hoare triple {1460#true} assume true; {1460#true} is VALID [2020-07-08 16:15:39,083 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1460#true} {1460#true} #295#return; {1460#true} is VALID [2020-07-08 16:15:39,083 INFO L263 TraceCheckUtils]: 0: Hoare triple {1460#true} call ULTIMATE.init(); {1460#true} is VALID [2020-07-08 16:15:39,084 INFO L280 TraceCheckUtils]: 1: Hoare triple {1460#true} assume true; {1460#true} is VALID [2020-07-08 16:15:39,084 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1460#true} {1460#true} #295#return; {1460#true} is VALID [2020-07-08 16:15:39,084 INFO L263 TraceCheckUtils]: 3: Hoare triple {1460#true} call #t~ret12 := main(); {1460#true} is VALID [2020-07-08 16:15:39,085 INFO L280 TraceCheckUtils]: 4: Hoare triple {1460#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1460#true} is VALID [2020-07-08 16:15:39,085 INFO L280 TraceCheckUtils]: 5: Hoare triple {1460#true} ~p1~0 := #t~nondet0; {1460#true} is VALID [2020-07-08 16:15:39,085 INFO L280 TraceCheckUtils]: 6: Hoare triple {1460#true} havoc #t~nondet0; {1460#true} is VALID [2020-07-08 16:15:39,085 INFO L280 TraceCheckUtils]: 7: Hoare triple {1460#true} havoc ~lk1~0; {1460#true} is VALID [2020-07-08 16:15:39,086 INFO L280 TraceCheckUtils]: 8: Hoare triple {1460#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1460#true} is VALID [2020-07-08 16:15:39,086 INFO L280 TraceCheckUtils]: 9: Hoare triple {1460#true} ~p2~0 := #t~nondet1; {1460#true} is VALID [2020-07-08 16:15:39,086 INFO L280 TraceCheckUtils]: 10: Hoare triple {1460#true} havoc #t~nondet1; {1460#true} is VALID [2020-07-08 16:15:39,086 INFO L280 TraceCheckUtils]: 11: Hoare triple {1460#true} havoc ~lk2~0; {1460#true} is VALID [2020-07-08 16:15:39,087 INFO L280 TraceCheckUtils]: 12: Hoare triple {1460#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {1460#true} is VALID [2020-07-08 16:15:39,087 INFO L280 TraceCheckUtils]: 13: Hoare triple {1460#true} ~p3~0 := #t~nondet2; {1460#true} is VALID [2020-07-08 16:15:39,087 INFO L280 TraceCheckUtils]: 14: Hoare triple {1460#true} havoc #t~nondet2; {1460#true} is VALID [2020-07-08 16:15:39,088 INFO L280 TraceCheckUtils]: 15: Hoare triple {1460#true} havoc ~lk3~0; {1460#true} is VALID [2020-07-08 16:15:39,088 INFO L280 TraceCheckUtils]: 16: Hoare triple {1460#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {1460#true} is VALID [2020-07-08 16:15:39,088 INFO L280 TraceCheckUtils]: 17: Hoare triple {1460#true} ~p4~0 := #t~nondet3; {1460#true} is VALID [2020-07-08 16:15:39,088 INFO L280 TraceCheckUtils]: 18: Hoare triple {1460#true} havoc #t~nondet3; {1460#true} is VALID [2020-07-08 16:15:39,089 INFO L280 TraceCheckUtils]: 19: Hoare triple {1460#true} havoc ~lk4~0; {1460#true} is VALID [2020-07-08 16:15:39,089 INFO L280 TraceCheckUtils]: 20: Hoare triple {1460#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {1460#true} is VALID [2020-07-08 16:15:39,089 INFO L280 TraceCheckUtils]: 21: Hoare triple {1460#true} ~p5~0 := #t~nondet4; {1460#true} is VALID [2020-07-08 16:15:39,090 INFO L280 TraceCheckUtils]: 22: Hoare triple {1460#true} havoc #t~nondet4; {1460#true} is VALID [2020-07-08 16:15:39,090 INFO L280 TraceCheckUtils]: 23: Hoare triple {1460#true} havoc ~lk5~0; {1460#true} is VALID [2020-07-08 16:15:39,090 INFO L280 TraceCheckUtils]: 24: Hoare triple {1460#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {1460#true} is VALID [2020-07-08 16:15:39,090 INFO L280 TraceCheckUtils]: 25: Hoare triple {1460#true} ~p6~0 := #t~nondet5; {1460#true} is VALID [2020-07-08 16:15:39,091 INFO L280 TraceCheckUtils]: 26: Hoare triple {1460#true} havoc #t~nondet5; {1460#true} is VALID [2020-07-08 16:15:39,091 INFO L280 TraceCheckUtils]: 27: Hoare triple {1460#true} havoc ~lk6~0; {1460#true} is VALID [2020-07-08 16:15:39,091 INFO L280 TraceCheckUtils]: 28: Hoare triple {1460#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {1460#true} is VALID [2020-07-08 16:15:39,091 INFO L280 TraceCheckUtils]: 29: Hoare triple {1460#true} ~p7~0 := #t~nondet6; {1460#true} is VALID [2020-07-08 16:15:39,092 INFO L280 TraceCheckUtils]: 30: Hoare triple {1460#true} havoc #t~nondet6; {1460#true} is VALID [2020-07-08 16:15:39,092 INFO L280 TraceCheckUtils]: 31: Hoare triple {1460#true} havoc ~lk7~0; {1460#true} is VALID [2020-07-08 16:15:39,092 INFO L280 TraceCheckUtils]: 32: Hoare triple {1460#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {1460#true} is VALID [2020-07-08 16:15:39,093 INFO L280 TraceCheckUtils]: 33: Hoare triple {1460#true} ~p8~0 := #t~nondet7; {1460#true} is VALID [2020-07-08 16:15:39,093 INFO L280 TraceCheckUtils]: 34: Hoare triple {1460#true} havoc #t~nondet7; {1460#true} is VALID [2020-07-08 16:15:39,093 INFO L280 TraceCheckUtils]: 35: Hoare triple {1460#true} havoc ~lk8~0; {1460#true} is VALID [2020-07-08 16:15:39,093 INFO L280 TraceCheckUtils]: 36: Hoare triple {1460#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {1460#true} is VALID [2020-07-08 16:15:39,094 INFO L280 TraceCheckUtils]: 37: Hoare triple {1460#true} ~p9~0 := #t~nondet8; {1460#true} is VALID [2020-07-08 16:15:39,094 INFO L280 TraceCheckUtils]: 38: Hoare triple {1460#true} havoc #t~nondet8; {1460#true} is VALID [2020-07-08 16:15:39,094 INFO L280 TraceCheckUtils]: 39: Hoare triple {1460#true} havoc ~lk9~0; {1460#true} is VALID [2020-07-08 16:15:39,095 INFO L280 TraceCheckUtils]: 40: Hoare triple {1460#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {1460#true} is VALID [2020-07-08 16:15:39,095 INFO L280 TraceCheckUtils]: 41: Hoare triple {1460#true} ~p10~0 := #t~nondet9; {1460#true} is VALID [2020-07-08 16:15:39,095 INFO L280 TraceCheckUtils]: 42: Hoare triple {1460#true} havoc #t~nondet9; {1460#true} is VALID [2020-07-08 16:15:39,095 INFO L280 TraceCheckUtils]: 43: Hoare triple {1460#true} havoc ~lk10~0; {1460#true} is VALID [2020-07-08 16:15:39,096 INFO L280 TraceCheckUtils]: 44: Hoare triple {1460#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {1460#true} is VALID [2020-07-08 16:15:39,096 INFO L280 TraceCheckUtils]: 45: Hoare triple {1460#true} ~p11~0 := #t~nondet10; {1460#true} is VALID [2020-07-08 16:15:39,096 INFO L280 TraceCheckUtils]: 46: Hoare triple {1460#true} havoc #t~nondet10; {1460#true} is VALID [2020-07-08 16:15:39,097 INFO L280 TraceCheckUtils]: 47: Hoare triple {1460#true} havoc ~lk11~0; {1460#true} is VALID [2020-07-08 16:15:39,097 INFO L280 TraceCheckUtils]: 48: Hoare triple {1460#true} havoc ~cond~0; {1460#true} is VALID [2020-07-08 16:15:39,097 INFO L280 TraceCheckUtils]: 49: Hoare triple {1460#true} assume !false; {1460#true} is VALID [2020-07-08 16:15:39,097 INFO L280 TraceCheckUtils]: 50: Hoare triple {1460#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {1460#true} is VALID [2020-07-08 16:15:39,098 INFO L280 TraceCheckUtils]: 51: Hoare triple {1460#true} ~cond~0 := #t~nondet11; {1460#true} is VALID [2020-07-08 16:15:39,098 INFO L280 TraceCheckUtils]: 52: Hoare triple {1460#true} havoc #t~nondet11; {1460#true} is VALID [2020-07-08 16:15:39,098 INFO L280 TraceCheckUtils]: 53: Hoare triple {1460#true} assume !(0 == ~cond~0); {1460#true} is VALID [2020-07-08 16:15:39,098 INFO L280 TraceCheckUtils]: 54: Hoare triple {1460#true} ~lk1~0 := 0; {1460#true} is VALID [2020-07-08 16:15:39,099 INFO L280 TraceCheckUtils]: 55: Hoare triple {1460#true} ~lk2~0 := 0; {1460#true} is VALID [2020-07-08 16:15:39,099 INFO L280 TraceCheckUtils]: 56: Hoare triple {1460#true} ~lk3~0 := 0; {1460#true} is VALID [2020-07-08 16:15:39,099 INFO L280 TraceCheckUtils]: 57: Hoare triple {1460#true} ~lk4~0 := 0; {1460#true} is VALID [2020-07-08 16:15:39,100 INFO L280 TraceCheckUtils]: 58: Hoare triple {1460#true} ~lk5~0 := 0; {1460#true} is VALID [2020-07-08 16:15:39,100 INFO L280 TraceCheckUtils]: 59: Hoare triple {1460#true} ~lk6~0 := 0; {1460#true} is VALID [2020-07-08 16:15:39,100 INFO L280 TraceCheckUtils]: 60: Hoare triple {1460#true} ~lk7~0 := 0; {1460#true} is VALID [2020-07-08 16:15:39,100 INFO L280 TraceCheckUtils]: 61: Hoare triple {1460#true} ~lk8~0 := 0; {1460#true} is VALID [2020-07-08 16:15:39,101 INFO L280 TraceCheckUtils]: 62: Hoare triple {1460#true} ~lk9~0 := 0; {1460#true} is VALID [2020-07-08 16:15:39,101 INFO L280 TraceCheckUtils]: 63: Hoare triple {1460#true} ~lk10~0 := 0; {1460#true} is VALID [2020-07-08 16:15:39,101 INFO L280 TraceCheckUtils]: 64: Hoare triple {1460#true} ~lk11~0 := 0; {1460#true} is VALID [2020-07-08 16:15:39,101 INFO L280 TraceCheckUtils]: 65: Hoare triple {1460#true} assume !(0 != ~p1~0); {1460#true} is VALID [2020-07-08 16:15:39,102 INFO L280 TraceCheckUtils]: 66: Hoare triple {1460#true} assume !(0 != ~p2~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-08 16:15:39,103 INFO L280 TraceCheckUtils]: 67: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p3~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-08 16:15:39,104 INFO L280 TraceCheckUtils]: 68: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p4~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-08 16:15:39,104 INFO L280 TraceCheckUtils]: 69: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p5~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-08 16:15:39,105 INFO L280 TraceCheckUtils]: 70: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p6~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-08 16:15:39,106 INFO L280 TraceCheckUtils]: 71: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p7~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-08 16:15:39,106 INFO L280 TraceCheckUtils]: 72: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p8~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-08 16:15:39,107 INFO L280 TraceCheckUtils]: 73: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p9~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-08 16:15:39,107 INFO L280 TraceCheckUtils]: 74: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p10~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-08 16:15:39,108 INFO L280 TraceCheckUtils]: 75: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p11~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-08 16:15:39,109 INFO L280 TraceCheckUtils]: 76: Hoare triple {1464#(= 0 main_~p2~0)} assume !(0 != ~p1~0); {1464#(= 0 main_~p2~0)} is VALID [2020-07-08 16:15:39,109 INFO L280 TraceCheckUtils]: 77: Hoare triple {1464#(= 0 main_~p2~0)} assume 0 != ~p2~0; {1461#false} is VALID [2020-07-08 16:15:39,110 INFO L280 TraceCheckUtils]: 78: Hoare triple {1461#false} assume 1 != ~lk2~0; {1461#false} is VALID [2020-07-08 16:15:39,110 INFO L280 TraceCheckUtils]: 79: Hoare triple {1461#false} assume !false; {1461#false} is VALID [2020-07-08 16:15:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:15:39,118 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:15:39,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018836398] [2020-07-08 16:15:39,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:15:39,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:15:39,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283593445] [2020-07-08 16:15:39,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-08 16:15:39,121 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:15:39,121 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:15:39,188 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:39,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:15:39,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:15:39,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:15:39,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:15:39,189 INFO L87 Difference]: Start difference. First operand 190 states and 252 transitions. Second operand 3 states. [2020-07-08 16:15:39,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:39,859 INFO L93 Difference]: Finished difference Result 466 states and 650 transitions. [2020-07-08 16:15:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:15:39,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-08 16:15:39,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:15:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:39,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-08 16:15:39,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-08 16:15:39,873 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 360 transitions. [2020-07-08 16:15:40,183 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 360 edges. 360 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:40,194 INFO L225 Difference]: With dead ends: 466 [2020-07-08 16:15:40,195 INFO L226 Difference]: Without dead ends: 325 [2020-07-08 16:15:40,197 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 [2020-07-08 16:15:40,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-07-08 16:15:40,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 323. [2020-07-08 16:15:40,497 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:15:40,497 INFO L82 GeneralOperation]: Start isEquivalent. First operand 325 states. Second operand 323 states. [2020-07-08 16:15:40,497 INFO L74 IsIncluded]: Start isIncluded. First operand 325 states. Second operand 323 states. [2020-07-08 16:15:40,497 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 323 states. [2020-07-08 16:15:40,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:40,531 INFO L93 Difference]: Finished difference Result 325 states and 443 transitions. [2020-07-08 16:15:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 443 transitions. [2020-07-08 16:15:40,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:15:40,533 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:15:40,533 INFO L74 IsIncluded]: Start isIncluded. First operand 323 states. Second operand 325 states. [2020-07-08 16:15:40,533 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 325 states. [2020-07-08 16:15:40,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:40,560 INFO L93 Difference]: Finished difference Result 325 states and 443 transitions. [2020-07-08 16:15:40,560 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 443 transitions. [2020-07-08 16:15:40,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:15:40,562 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:15:40,562 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:15:40,562 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:15:40,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-07-08 16:15:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 442 transitions. [2020-07-08 16:15:40,576 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 442 transitions. Word has length 80 [2020-07-08 16:15:40,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:15:40,576 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 442 transitions. [2020-07-08 16:15:40,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:15:40,577 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 323 states and 442 transitions. [2020-07-08 16:15:41,049 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 442 edges. 442 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:41,049 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 442 transitions. [2020-07-08 16:15:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-08 16:15:41,052 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:15:41,052 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] [2020-07-08 16:15:41,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 16:15:41,052 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:15:41,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:15:41,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1261830773, now seen corresponding path program 1 times [2020-07-08 16:15:41,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:15:41,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754823092] [2020-07-08 16:15:41,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:15:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:41,159 INFO L280 TraceCheckUtils]: 0: Hoare triple {3695#true} assume true; {3695#true} is VALID [2020-07-08 16:15:41,159 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3695#true} {3695#true} #295#return; {3695#true} is VALID [2020-07-08 16:15:41,159 INFO L263 TraceCheckUtils]: 0: Hoare triple {3695#true} call ULTIMATE.init(); {3695#true} is VALID [2020-07-08 16:15:41,159 INFO L280 TraceCheckUtils]: 1: Hoare triple {3695#true} assume true; {3695#true} is VALID [2020-07-08 16:15:41,160 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3695#true} {3695#true} #295#return; {3695#true} is VALID [2020-07-08 16:15:41,160 INFO L263 TraceCheckUtils]: 3: Hoare triple {3695#true} call #t~ret12 := main(); {3695#true} is VALID [2020-07-08 16:15:41,160 INFO L280 TraceCheckUtils]: 4: Hoare triple {3695#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {3695#true} is VALID [2020-07-08 16:15:41,160 INFO L280 TraceCheckUtils]: 5: Hoare triple {3695#true} ~p1~0 := #t~nondet0; {3695#true} is VALID [2020-07-08 16:15:41,160 INFO L280 TraceCheckUtils]: 6: Hoare triple {3695#true} havoc #t~nondet0; {3695#true} is VALID [2020-07-08 16:15:41,161 INFO L280 TraceCheckUtils]: 7: Hoare triple {3695#true} havoc ~lk1~0; {3695#true} is VALID [2020-07-08 16:15:41,161 INFO L280 TraceCheckUtils]: 8: Hoare triple {3695#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {3695#true} is VALID [2020-07-08 16:15:41,161 INFO L280 TraceCheckUtils]: 9: Hoare triple {3695#true} ~p2~0 := #t~nondet1; {3695#true} is VALID [2020-07-08 16:15:41,162 INFO L280 TraceCheckUtils]: 10: Hoare triple {3695#true} havoc #t~nondet1; {3695#true} is VALID [2020-07-08 16:15:41,162 INFO L280 TraceCheckUtils]: 11: Hoare triple {3695#true} havoc ~lk2~0; {3695#true} is VALID [2020-07-08 16:15:41,163 INFO L280 TraceCheckUtils]: 12: Hoare triple {3695#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {3695#true} is VALID [2020-07-08 16:15:41,163 INFO L280 TraceCheckUtils]: 13: Hoare triple {3695#true} ~p3~0 := #t~nondet2; {3695#true} is VALID [2020-07-08 16:15:41,163 INFO L280 TraceCheckUtils]: 14: Hoare triple {3695#true} havoc #t~nondet2; {3695#true} is VALID [2020-07-08 16:15:41,163 INFO L280 TraceCheckUtils]: 15: Hoare triple {3695#true} havoc ~lk3~0; {3695#true} is VALID [2020-07-08 16:15:41,164 INFO L280 TraceCheckUtils]: 16: Hoare triple {3695#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {3695#true} is VALID [2020-07-08 16:15:41,164 INFO L280 TraceCheckUtils]: 17: Hoare triple {3695#true} ~p4~0 := #t~nondet3; {3695#true} is VALID [2020-07-08 16:15:41,164 INFO L280 TraceCheckUtils]: 18: Hoare triple {3695#true} havoc #t~nondet3; {3695#true} is VALID [2020-07-08 16:15:41,164 INFO L280 TraceCheckUtils]: 19: Hoare triple {3695#true} havoc ~lk4~0; {3695#true} is VALID [2020-07-08 16:15:41,164 INFO L280 TraceCheckUtils]: 20: Hoare triple {3695#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {3695#true} is VALID [2020-07-08 16:15:41,164 INFO L280 TraceCheckUtils]: 21: Hoare triple {3695#true} ~p5~0 := #t~nondet4; {3695#true} is VALID [2020-07-08 16:15:41,165 INFO L280 TraceCheckUtils]: 22: Hoare triple {3695#true} havoc #t~nondet4; {3695#true} is VALID [2020-07-08 16:15:41,165 INFO L280 TraceCheckUtils]: 23: Hoare triple {3695#true} havoc ~lk5~0; {3695#true} is VALID [2020-07-08 16:15:41,165 INFO L280 TraceCheckUtils]: 24: Hoare triple {3695#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {3695#true} is VALID [2020-07-08 16:15:41,165 INFO L280 TraceCheckUtils]: 25: Hoare triple {3695#true} ~p6~0 := #t~nondet5; {3695#true} is VALID [2020-07-08 16:15:41,166 INFO L280 TraceCheckUtils]: 26: Hoare triple {3695#true} havoc #t~nondet5; {3695#true} is VALID [2020-07-08 16:15:41,166 INFO L280 TraceCheckUtils]: 27: Hoare triple {3695#true} havoc ~lk6~0; {3695#true} is VALID [2020-07-08 16:15:41,166 INFO L280 TraceCheckUtils]: 28: Hoare triple {3695#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {3695#true} is VALID [2020-07-08 16:15:41,166 INFO L280 TraceCheckUtils]: 29: Hoare triple {3695#true} ~p7~0 := #t~nondet6; {3695#true} is VALID [2020-07-08 16:15:41,167 INFO L280 TraceCheckUtils]: 30: Hoare triple {3695#true} havoc #t~nondet6; {3695#true} is VALID [2020-07-08 16:15:41,167 INFO L280 TraceCheckUtils]: 31: Hoare triple {3695#true} havoc ~lk7~0; {3695#true} is VALID [2020-07-08 16:15:41,167 INFO L280 TraceCheckUtils]: 32: Hoare triple {3695#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {3695#true} is VALID [2020-07-08 16:15:41,167 INFO L280 TraceCheckUtils]: 33: Hoare triple {3695#true} ~p8~0 := #t~nondet7; {3695#true} is VALID [2020-07-08 16:15:41,168 INFO L280 TraceCheckUtils]: 34: Hoare triple {3695#true} havoc #t~nondet7; {3695#true} is VALID [2020-07-08 16:15:41,168 INFO L280 TraceCheckUtils]: 35: Hoare triple {3695#true} havoc ~lk8~0; {3695#true} is VALID [2020-07-08 16:15:41,168 INFO L280 TraceCheckUtils]: 36: Hoare triple {3695#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {3695#true} is VALID [2020-07-08 16:15:41,168 INFO L280 TraceCheckUtils]: 37: Hoare triple {3695#true} ~p9~0 := #t~nondet8; {3695#true} is VALID [2020-07-08 16:15:41,169 INFO L280 TraceCheckUtils]: 38: Hoare triple {3695#true} havoc #t~nondet8; {3695#true} is VALID [2020-07-08 16:15:41,169 INFO L280 TraceCheckUtils]: 39: Hoare triple {3695#true} havoc ~lk9~0; {3695#true} is VALID [2020-07-08 16:15:41,169 INFO L280 TraceCheckUtils]: 40: Hoare triple {3695#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {3695#true} is VALID [2020-07-08 16:15:41,169 INFO L280 TraceCheckUtils]: 41: Hoare triple {3695#true} ~p10~0 := #t~nondet9; {3695#true} is VALID [2020-07-08 16:15:41,170 INFO L280 TraceCheckUtils]: 42: Hoare triple {3695#true} havoc #t~nondet9; {3695#true} is VALID [2020-07-08 16:15:41,170 INFO L280 TraceCheckUtils]: 43: Hoare triple {3695#true} havoc ~lk10~0; {3695#true} is VALID [2020-07-08 16:15:41,170 INFO L280 TraceCheckUtils]: 44: Hoare triple {3695#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {3695#true} is VALID [2020-07-08 16:15:41,170 INFO L280 TraceCheckUtils]: 45: Hoare triple {3695#true} ~p11~0 := #t~nondet10; {3695#true} is VALID [2020-07-08 16:15:41,171 INFO L280 TraceCheckUtils]: 46: Hoare triple {3695#true} havoc #t~nondet10; {3695#true} is VALID [2020-07-08 16:15:41,171 INFO L280 TraceCheckUtils]: 47: Hoare triple {3695#true} havoc ~lk11~0; {3695#true} is VALID [2020-07-08 16:15:41,171 INFO L280 TraceCheckUtils]: 48: Hoare triple {3695#true} havoc ~cond~0; {3695#true} is VALID [2020-07-08 16:15:41,171 INFO L280 TraceCheckUtils]: 49: Hoare triple {3695#true} assume !false; {3695#true} is VALID [2020-07-08 16:15:41,172 INFO L280 TraceCheckUtils]: 50: Hoare triple {3695#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {3695#true} is VALID [2020-07-08 16:15:41,172 INFO L280 TraceCheckUtils]: 51: Hoare triple {3695#true} ~cond~0 := #t~nondet11; {3695#true} is VALID [2020-07-08 16:15:41,172 INFO L280 TraceCheckUtils]: 52: Hoare triple {3695#true} havoc #t~nondet11; {3695#true} is VALID [2020-07-08 16:15:41,172 INFO L280 TraceCheckUtils]: 53: Hoare triple {3695#true} assume !(0 == ~cond~0); {3695#true} is VALID [2020-07-08 16:15:41,173 INFO L280 TraceCheckUtils]: 54: Hoare triple {3695#true} ~lk1~0 := 0; {3695#true} is VALID [2020-07-08 16:15:41,173 INFO L280 TraceCheckUtils]: 55: Hoare triple {3695#true} ~lk2~0 := 0; {3695#true} is VALID [2020-07-08 16:15:41,173 INFO L280 TraceCheckUtils]: 56: Hoare triple {3695#true} ~lk3~0 := 0; {3695#true} is VALID [2020-07-08 16:15:41,173 INFO L280 TraceCheckUtils]: 57: Hoare triple {3695#true} ~lk4~0 := 0; {3695#true} is VALID [2020-07-08 16:15:41,174 INFO L280 TraceCheckUtils]: 58: Hoare triple {3695#true} ~lk5~0 := 0; {3695#true} is VALID [2020-07-08 16:15:41,174 INFO L280 TraceCheckUtils]: 59: Hoare triple {3695#true} ~lk6~0 := 0; {3695#true} is VALID [2020-07-08 16:15:41,174 INFO L280 TraceCheckUtils]: 60: Hoare triple {3695#true} ~lk7~0 := 0; {3695#true} is VALID [2020-07-08 16:15:41,174 INFO L280 TraceCheckUtils]: 61: Hoare triple {3695#true} ~lk8~0 := 0; {3695#true} is VALID [2020-07-08 16:15:41,175 INFO L280 TraceCheckUtils]: 62: Hoare triple {3695#true} ~lk9~0 := 0; {3695#true} is VALID [2020-07-08 16:15:41,175 INFO L280 TraceCheckUtils]: 63: Hoare triple {3695#true} ~lk10~0 := 0; {3695#true} is VALID [2020-07-08 16:15:41,175 INFO L280 TraceCheckUtils]: 64: Hoare triple {3695#true} ~lk11~0 := 0; {3695#true} is VALID [2020-07-08 16:15:41,175 INFO L280 TraceCheckUtils]: 65: Hoare triple {3695#true} assume 0 != ~p1~0; {3695#true} is VALID [2020-07-08 16:15:41,176 INFO L280 TraceCheckUtils]: 66: Hoare triple {3695#true} ~lk1~0 := 1; {3699#(= 1 main_~lk1~0)} is VALID [2020-07-08 16:15:41,178 INFO L280 TraceCheckUtils]: 67: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p2~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-08 16:15:41,179 INFO L280 TraceCheckUtils]: 68: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p3~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-08 16:15:41,180 INFO L280 TraceCheckUtils]: 69: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p4~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-08 16:15:41,181 INFO L280 TraceCheckUtils]: 70: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p5~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-08 16:15:41,182 INFO L280 TraceCheckUtils]: 71: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p6~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-08 16:15:41,182 INFO L280 TraceCheckUtils]: 72: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p7~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-08 16:15:41,183 INFO L280 TraceCheckUtils]: 73: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p8~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-08 16:15:41,187 INFO L280 TraceCheckUtils]: 74: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p9~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-08 16:15:41,188 INFO L280 TraceCheckUtils]: 75: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p10~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-08 16:15:41,189 INFO L280 TraceCheckUtils]: 76: Hoare triple {3699#(= 1 main_~lk1~0)} assume !(0 != ~p11~0); {3699#(= 1 main_~lk1~0)} is VALID [2020-07-08 16:15:41,190 INFO L280 TraceCheckUtils]: 77: Hoare triple {3699#(= 1 main_~lk1~0)} assume 0 != ~p1~0; {3699#(= 1 main_~lk1~0)} is VALID [2020-07-08 16:15:41,190 INFO L280 TraceCheckUtils]: 78: Hoare triple {3699#(= 1 main_~lk1~0)} assume 1 != ~lk1~0; {3696#false} is VALID [2020-07-08 16:15:41,191 INFO L280 TraceCheckUtils]: 79: Hoare triple {3696#false} assume !false; {3696#false} is VALID [2020-07-08 16:15:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:15:41,198 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:15:41,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754823092] [2020-07-08 16:15:41,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:15:41,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:15:41,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314452296] [2020-07-08 16:15:41,199 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-08 16:15:41,200 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:15:41,200 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:15:41,296 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:41,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:15:41,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:15:41,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:15:41,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:15:41,298 INFO L87 Difference]: Start difference. First operand 323 states and 442 transitions. Second operand 3 states. [2020-07-08 16:15:41,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:41,984 INFO L93 Difference]: Finished difference Result 397 states and 552 transitions. [2020-07-08 16:15:41,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:15:41,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-07-08 16:15:41,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:15:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2020-07-08 16:15:41,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:41,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2020-07-08 16:15:41,993 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 243 transitions. [2020-07-08 16:15:42,198 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 243 edges. 243 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:42,214 INFO L225 Difference]: With dead ends: 397 [2020-07-08 16:15:42,214 INFO L226 Difference]: Without dead ends: 395 [2020-07-08 16:15:42,218 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 [2020-07-08 16:15:42,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-07-08 16:15:42,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 323. [2020-07-08 16:15:42,602 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:15:42,602 INFO L82 GeneralOperation]: Start isEquivalent. First operand 395 states. Second operand 323 states. [2020-07-08 16:15:42,602 INFO L74 IsIncluded]: Start isIncluded. First operand 395 states. Second operand 323 states. [2020-07-08 16:15:42,602 INFO L87 Difference]: Start difference. First operand 395 states. Second operand 323 states. [2020-07-08 16:15:42,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:42,620 INFO L93 Difference]: Finished difference Result 395 states and 549 transitions. [2020-07-08 16:15:42,620 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 549 transitions. [2020-07-08 16:15:42,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:15:42,622 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:15:42,622 INFO L74 IsIncluded]: Start isIncluded. First operand 323 states. Second operand 395 states. [2020-07-08 16:15:42,622 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 395 states. [2020-07-08 16:15:42,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:42,640 INFO L93 Difference]: Finished difference Result 395 states and 549 transitions. [2020-07-08 16:15:42,640 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 549 transitions. [2020-07-08 16:15:42,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:15:42,642 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:15:42,642 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:15:42,642 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:15:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-07-08 16:15:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 440 transitions. [2020-07-08 16:15:42,655 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 440 transitions. Word has length 80 [2020-07-08 16:15:42,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:15:42,655 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 440 transitions. [2020-07-08 16:15:42,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:15:42,656 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 323 states and 440 transitions. [2020-07-08 16:15:43,132 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 440 edges. 440 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 440 transitions. [2020-07-08 16:15:43,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-08 16:15:43,133 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:15:43,134 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, 1, 1, 1, 1] [2020-07-08 16:15:43,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 16:15:43,134 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:15:43,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:15:43,135 INFO L82 PathProgramCache]: Analyzing trace with hash 397182858, now seen corresponding path program 1 times [2020-07-08 16:15:43,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:15:43,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155922805] [2020-07-08 16:15:43,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:15:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:43,220 INFO L280 TraceCheckUtils]: 0: Hoare triple {5932#true} assume true; {5932#true} is VALID [2020-07-08 16:15:43,221 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {5932#true} {5932#true} #295#return; {5932#true} is VALID [2020-07-08 16:15:43,221 INFO L263 TraceCheckUtils]: 0: Hoare triple {5932#true} call ULTIMATE.init(); {5932#true} is VALID [2020-07-08 16:15:43,221 INFO L280 TraceCheckUtils]: 1: Hoare triple {5932#true} assume true; {5932#true} is VALID [2020-07-08 16:15:43,222 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5932#true} {5932#true} #295#return; {5932#true} is VALID [2020-07-08 16:15:43,222 INFO L263 TraceCheckUtils]: 3: Hoare triple {5932#true} call #t~ret12 := main(); {5932#true} is VALID [2020-07-08 16:15:43,222 INFO L280 TraceCheckUtils]: 4: Hoare triple {5932#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {5932#true} is VALID [2020-07-08 16:15:43,222 INFO L280 TraceCheckUtils]: 5: Hoare triple {5932#true} ~p1~0 := #t~nondet0; {5932#true} is VALID [2020-07-08 16:15:43,223 INFO L280 TraceCheckUtils]: 6: Hoare triple {5932#true} havoc #t~nondet0; {5932#true} is VALID [2020-07-08 16:15:43,223 INFO L280 TraceCheckUtils]: 7: Hoare triple {5932#true} havoc ~lk1~0; {5932#true} is VALID [2020-07-08 16:15:43,223 INFO L280 TraceCheckUtils]: 8: Hoare triple {5932#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {5932#true} is VALID [2020-07-08 16:15:43,223 INFO L280 TraceCheckUtils]: 9: Hoare triple {5932#true} ~p2~0 := #t~nondet1; {5932#true} is VALID [2020-07-08 16:15:43,224 INFO L280 TraceCheckUtils]: 10: Hoare triple {5932#true} havoc #t~nondet1; {5932#true} is VALID [2020-07-08 16:15:43,224 INFO L280 TraceCheckUtils]: 11: Hoare triple {5932#true} havoc ~lk2~0; {5932#true} is VALID [2020-07-08 16:15:43,224 INFO L280 TraceCheckUtils]: 12: Hoare triple {5932#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {5932#true} is VALID [2020-07-08 16:15:43,224 INFO L280 TraceCheckUtils]: 13: Hoare triple {5932#true} ~p3~0 := #t~nondet2; {5932#true} is VALID [2020-07-08 16:15:43,225 INFO L280 TraceCheckUtils]: 14: Hoare triple {5932#true} havoc #t~nondet2; {5932#true} is VALID [2020-07-08 16:15:43,225 INFO L280 TraceCheckUtils]: 15: Hoare triple {5932#true} havoc ~lk3~0; {5932#true} is VALID [2020-07-08 16:15:43,225 INFO L280 TraceCheckUtils]: 16: Hoare triple {5932#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {5932#true} is VALID [2020-07-08 16:15:43,225 INFO L280 TraceCheckUtils]: 17: Hoare triple {5932#true} ~p4~0 := #t~nondet3; {5932#true} is VALID [2020-07-08 16:15:43,226 INFO L280 TraceCheckUtils]: 18: Hoare triple {5932#true} havoc #t~nondet3; {5932#true} is VALID [2020-07-08 16:15:43,226 INFO L280 TraceCheckUtils]: 19: Hoare triple {5932#true} havoc ~lk4~0; {5932#true} is VALID [2020-07-08 16:15:43,226 INFO L280 TraceCheckUtils]: 20: Hoare triple {5932#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {5932#true} is VALID [2020-07-08 16:15:43,226 INFO L280 TraceCheckUtils]: 21: Hoare triple {5932#true} ~p5~0 := #t~nondet4; {5932#true} is VALID [2020-07-08 16:15:43,226 INFO L280 TraceCheckUtils]: 22: Hoare triple {5932#true} havoc #t~nondet4; {5932#true} is VALID [2020-07-08 16:15:43,227 INFO L280 TraceCheckUtils]: 23: Hoare triple {5932#true} havoc ~lk5~0; {5932#true} is VALID [2020-07-08 16:15:43,227 INFO L280 TraceCheckUtils]: 24: Hoare triple {5932#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {5932#true} is VALID [2020-07-08 16:15:43,227 INFO L280 TraceCheckUtils]: 25: Hoare triple {5932#true} ~p6~0 := #t~nondet5; {5932#true} is VALID [2020-07-08 16:15:43,228 INFO L280 TraceCheckUtils]: 26: Hoare triple {5932#true} havoc #t~nondet5; {5932#true} is VALID [2020-07-08 16:15:43,228 INFO L280 TraceCheckUtils]: 27: Hoare triple {5932#true} havoc ~lk6~0; {5932#true} is VALID [2020-07-08 16:15:43,228 INFO L280 TraceCheckUtils]: 28: Hoare triple {5932#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {5932#true} is VALID [2020-07-08 16:15:43,228 INFO L280 TraceCheckUtils]: 29: Hoare triple {5932#true} ~p7~0 := #t~nondet6; {5932#true} is VALID [2020-07-08 16:15:43,229 INFO L280 TraceCheckUtils]: 30: Hoare triple {5932#true} havoc #t~nondet6; {5932#true} is VALID [2020-07-08 16:15:43,229 INFO L280 TraceCheckUtils]: 31: Hoare triple {5932#true} havoc ~lk7~0; {5932#true} is VALID [2020-07-08 16:15:43,229 INFO L280 TraceCheckUtils]: 32: Hoare triple {5932#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {5932#true} is VALID [2020-07-08 16:15:43,229 INFO L280 TraceCheckUtils]: 33: Hoare triple {5932#true} ~p8~0 := #t~nondet7; {5932#true} is VALID [2020-07-08 16:15:43,229 INFO L280 TraceCheckUtils]: 34: Hoare triple {5932#true} havoc #t~nondet7; {5932#true} is VALID [2020-07-08 16:15:43,230 INFO L280 TraceCheckUtils]: 35: Hoare triple {5932#true} havoc ~lk8~0; {5932#true} is VALID [2020-07-08 16:15:43,230 INFO L280 TraceCheckUtils]: 36: Hoare triple {5932#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {5932#true} is VALID [2020-07-08 16:15:43,230 INFO L280 TraceCheckUtils]: 37: Hoare triple {5932#true} ~p9~0 := #t~nondet8; {5932#true} is VALID [2020-07-08 16:15:43,230 INFO L280 TraceCheckUtils]: 38: Hoare triple {5932#true} havoc #t~nondet8; {5932#true} is VALID [2020-07-08 16:15:43,231 INFO L280 TraceCheckUtils]: 39: Hoare triple {5932#true} havoc ~lk9~0; {5932#true} is VALID [2020-07-08 16:15:43,231 INFO L280 TraceCheckUtils]: 40: Hoare triple {5932#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {5932#true} is VALID [2020-07-08 16:15:43,231 INFO L280 TraceCheckUtils]: 41: Hoare triple {5932#true} ~p10~0 := #t~nondet9; {5932#true} is VALID [2020-07-08 16:15:43,231 INFO L280 TraceCheckUtils]: 42: Hoare triple {5932#true} havoc #t~nondet9; {5932#true} is VALID [2020-07-08 16:15:43,232 INFO L280 TraceCheckUtils]: 43: Hoare triple {5932#true} havoc ~lk10~0; {5932#true} is VALID [2020-07-08 16:15:43,232 INFO L280 TraceCheckUtils]: 44: Hoare triple {5932#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {5932#true} is VALID [2020-07-08 16:15:43,232 INFO L280 TraceCheckUtils]: 45: Hoare triple {5932#true} ~p11~0 := #t~nondet10; {5932#true} is VALID [2020-07-08 16:15:43,232 INFO L280 TraceCheckUtils]: 46: Hoare triple {5932#true} havoc #t~nondet10; {5932#true} is VALID [2020-07-08 16:15:43,233 INFO L280 TraceCheckUtils]: 47: Hoare triple {5932#true} havoc ~lk11~0; {5932#true} is VALID [2020-07-08 16:15:43,233 INFO L280 TraceCheckUtils]: 48: Hoare triple {5932#true} havoc ~cond~0; {5932#true} is VALID [2020-07-08 16:15:43,233 INFO L280 TraceCheckUtils]: 49: Hoare triple {5932#true} assume !false; {5932#true} is VALID [2020-07-08 16:15:43,233 INFO L280 TraceCheckUtils]: 50: Hoare triple {5932#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {5932#true} is VALID [2020-07-08 16:15:43,234 INFO L280 TraceCheckUtils]: 51: Hoare triple {5932#true} ~cond~0 := #t~nondet11; {5932#true} is VALID [2020-07-08 16:15:43,234 INFO L280 TraceCheckUtils]: 52: Hoare triple {5932#true} havoc #t~nondet11; {5932#true} is VALID [2020-07-08 16:15:43,234 INFO L280 TraceCheckUtils]: 53: Hoare triple {5932#true} assume !(0 == ~cond~0); {5932#true} is VALID [2020-07-08 16:15:43,234 INFO L280 TraceCheckUtils]: 54: Hoare triple {5932#true} ~lk1~0 := 0; {5932#true} is VALID [2020-07-08 16:15:43,235 INFO L280 TraceCheckUtils]: 55: Hoare triple {5932#true} ~lk2~0 := 0; {5932#true} is VALID [2020-07-08 16:15:43,235 INFO L280 TraceCheckUtils]: 56: Hoare triple {5932#true} ~lk3~0 := 0; {5932#true} is VALID [2020-07-08 16:15:43,235 INFO L280 TraceCheckUtils]: 57: Hoare triple {5932#true} ~lk4~0 := 0; {5932#true} is VALID [2020-07-08 16:15:43,235 INFO L280 TraceCheckUtils]: 58: Hoare triple {5932#true} ~lk5~0 := 0; {5932#true} is VALID [2020-07-08 16:15:43,236 INFO L280 TraceCheckUtils]: 59: Hoare triple {5932#true} ~lk6~0 := 0; {5932#true} is VALID [2020-07-08 16:15:43,236 INFO L280 TraceCheckUtils]: 60: Hoare triple {5932#true} ~lk7~0 := 0; {5932#true} is VALID [2020-07-08 16:15:43,236 INFO L280 TraceCheckUtils]: 61: Hoare triple {5932#true} ~lk8~0 := 0; {5932#true} is VALID [2020-07-08 16:15:43,236 INFO L280 TraceCheckUtils]: 62: Hoare triple {5932#true} ~lk9~0 := 0; {5932#true} is VALID [2020-07-08 16:15:43,237 INFO L280 TraceCheckUtils]: 63: Hoare triple {5932#true} ~lk10~0 := 0; {5932#true} is VALID [2020-07-08 16:15:43,237 INFO L280 TraceCheckUtils]: 64: Hoare triple {5932#true} ~lk11~0 := 0; {5932#true} is VALID [2020-07-08 16:15:43,237 INFO L280 TraceCheckUtils]: 65: Hoare triple {5932#true} assume !(0 != ~p1~0); {5932#true} is VALID [2020-07-08 16:15:43,237 INFO L280 TraceCheckUtils]: 66: Hoare triple {5932#true} assume 0 != ~p2~0; {5932#true} is VALID [2020-07-08 16:15:43,238 INFO L280 TraceCheckUtils]: 67: Hoare triple {5932#true} ~lk2~0 := 1; {5936#(= 1 main_~lk2~0)} is VALID [2020-07-08 16:15:43,239 INFO L280 TraceCheckUtils]: 68: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p3~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-08 16:15:43,240 INFO L280 TraceCheckUtils]: 69: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p4~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-08 16:15:43,240 INFO L280 TraceCheckUtils]: 70: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p5~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-08 16:15:43,241 INFO L280 TraceCheckUtils]: 71: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p6~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-08 16:15:43,241 INFO L280 TraceCheckUtils]: 72: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p7~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-08 16:15:43,242 INFO L280 TraceCheckUtils]: 73: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p8~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-08 16:15:43,243 INFO L280 TraceCheckUtils]: 74: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p9~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-08 16:15:43,243 INFO L280 TraceCheckUtils]: 75: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p10~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-08 16:15:43,244 INFO L280 TraceCheckUtils]: 76: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p11~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-08 16:15:43,244 INFO L280 TraceCheckUtils]: 77: Hoare triple {5936#(= 1 main_~lk2~0)} assume !(0 != ~p1~0); {5936#(= 1 main_~lk2~0)} is VALID [2020-07-08 16:15:43,245 INFO L280 TraceCheckUtils]: 78: Hoare triple {5936#(= 1 main_~lk2~0)} assume 0 != ~p2~0; {5936#(= 1 main_~lk2~0)} is VALID [2020-07-08 16:15:43,245 INFO L280 TraceCheckUtils]: 79: Hoare triple {5936#(= 1 main_~lk2~0)} assume 1 != ~lk2~0; {5933#false} is VALID [2020-07-08 16:15:43,246 INFO L280 TraceCheckUtils]: 80: Hoare triple {5933#false} assume !false; {5933#false} is VALID [2020-07-08 16:15:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:15:43,250 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:15:43,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155922805] [2020-07-08 16:15:43,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:15:43,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:15:43,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478322723] [2020-07-08 16:15:43,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-08 16:15:43,252 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:15:43,252 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:15:43,325 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:43,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:15:43,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:15:43,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:15:43,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:15:43,327 INFO L87 Difference]: Start difference. First operand 323 states and 440 transitions. Second operand 3 states. [2020-07-08 16:15:44,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:44,070 INFO L93 Difference]: Finished difference Result 395 states and 546 transitions. [2020-07-08 16:15:44,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:15:44,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-08 16:15:44,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:15:44,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2020-07-08 16:15:44,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2020-07-08 16:15:44,079 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 239 transitions. [2020-07-08 16:15:44,321 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 239 edges. 239 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:44,333 INFO L225 Difference]: With dead ends: 395 [2020-07-08 16:15:44,333 INFO L226 Difference]: Without dead ends: 393 [2020-07-08 16:15:44,334 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 [2020-07-08 16:15:44,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2020-07-08 16:15:44,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 323. [2020-07-08 16:15:44,710 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:15:44,710 INFO L82 GeneralOperation]: Start isEquivalent. First operand 393 states. Second operand 323 states. [2020-07-08 16:15:44,710 INFO L74 IsIncluded]: Start isIncluded. First operand 393 states. Second operand 323 states. [2020-07-08 16:15:44,711 INFO L87 Difference]: Start difference. First operand 393 states. Second operand 323 states. [2020-07-08 16:15:44,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:44,730 INFO L93 Difference]: Finished difference Result 393 states and 543 transitions. [2020-07-08 16:15:44,730 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 543 transitions. [2020-07-08 16:15:44,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:15:44,731 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:15:44,732 INFO L74 IsIncluded]: Start isIncluded. First operand 323 states. Second operand 393 states. [2020-07-08 16:15:44,732 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 393 states. [2020-07-08 16:15:44,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:44,748 INFO L93 Difference]: Finished difference Result 393 states and 543 transitions. [2020-07-08 16:15:44,748 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 543 transitions. [2020-07-08 16:15:44,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:15:44,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:15:44,750 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:15:44,750 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:15:44,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-07-08 16:15:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 438 transitions. [2020-07-08 16:15:44,759 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 438 transitions. Word has length 81 [2020-07-08 16:15:44,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:15:44,760 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 438 transitions. [2020-07-08 16:15:44,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:15:44,760 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 323 states and 438 transitions. [2020-07-08 16:15:45,266 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 438 edges. 438 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 438 transitions. [2020-07-08 16:15:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-08 16:15:45,268 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:15:45,268 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:15:45,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 16:15:45,268 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:15:45,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:15:45,269 INFO L82 PathProgramCache]: Analyzing trace with hash -172878236, now seen corresponding path program 1 times [2020-07-08 16:15:45,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:15:45,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713326480] [2020-07-08 16:15:45,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:15:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:45,329 INFO L280 TraceCheckUtils]: 0: Hoare triple {8161#true} assume true; {8161#true} is VALID [2020-07-08 16:15:45,329 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {8161#true} {8161#true} #295#return; {8161#true} is VALID [2020-07-08 16:15:45,329 INFO L263 TraceCheckUtils]: 0: Hoare triple {8161#true} call ULTIMATE.init(); {8161#true} is VALID [2020-07-08 16:15:45,330 INFO L280 TraceCheckUtils]: 1: Hoare triple {8161#true} assume true; {8161#true} is VALID [2020-07-08 16:15:45,330 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8161#true} {8161#true} #295#return; {8161#true} is VALID [2020-07-08 16:15:45,330 INFO L263 TraceCheckUtils]: 3: Hoare triple {8161#true} call #t~ret12 := main(); {8161#true} is VALID [2020-07-08 16:15:45,331 INFO L280 TraceCheckUtils]: 4: Hoare triple {8161#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {8161#true} is VALID [2020-07-08 16:15:45,331 INFO L280 TraceCheckUtils]: 5: Hoare triple {8161#true} ~p1~0 := #t~nondet0; {8161#true} is VALID [2020-07-08 16:15:45,331 INFO L280 TraceCheckUtils]: 6: Hoare triple {8161#true} havoc #t~nondet0; {8161#true} is VALID [2020-07-08 16:15:45,331 INFO L280 TraceCheckUtils]: 7: Hoare triple {8161#true} havoc ~lk1~0; {8161#true} is VALID [2020-07-08 16:15:45,332 INFO L280 TraceCheckUtils]: 8: Hoare triple {8161#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8161#true} is VALID [2020-07-08 16:15:45,332 INFO L280 TraceCheckUtils]: 9: Hoare triple {8161#true} ~p2~0 := #t~nondet1; {8161#true} is VALID [2020-07-08 16:15:45,332 INFO L280 TraceCheckUtils]: 10: Hoare triple {8161#true} havoc #t~nondet1; {8161#true} is VALID [2020-07-08 16:15:45,332 INFO L280 TraceCheckUtils]: 11: Hoare triple {8161#true} havoc ~lk2~0; {8161#true} is VALID [2020-07-08 16:15:45,333 INFO L280 TraceCheckUtils]: 12: Hoare triple {8161#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {8161#true} is VALID [2020-07-08 16:15:45,333 INFO L280 TraceCheckUtils]: 13: Hoare triple {8161#true} ~p3~0 := #t~nondet2; {8161#true} is VALID [2020-07-08 16:15:45,333 INFO L280 TraceCheckUtils]: 14: Hoare triple {8161#true} havoc #t~nondet2; {8161#true} is VALID [2020-07-08 16:15:45,334 INFO L280 TraceCheckUtils]: 15: Hoare triple {8161#true} havoc ~lk3~0; {8161#true} is VALID [2020-07-08 16:15:45,334 INFO L280 TraceCheckUtils]: 16: Hoare triple {8161#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {8161#true} is VALID [2020-07-08 16:15:45,334 INFO L280 TraceCheckUtils]: 17: Hoare triple {8161#true} ~p4~0 := #t~nondet3; {8161#true} is VALID [2020-07-08 16:15:45,335 INFO L280 TraceCheckUtils]: 18: Hoare triple {8161#true} havoc #t~nondet3; {8161#true} is VALID [2020-07-08 16:15:45,335 INFO L280 TraceCheckUtils]: 19: Hoare triple {8161#true} havoc ~lk4~0; {8161#true} is VALID [2020-07-08 16:15:45,335 INFO L280 TraceCheckUtils]: 20: Hoare triple {8161#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {8161#true} is VALID [2020-07-08 16:15:45,335 INFO L280 TraceCheckUtils]: 21: Hoare triple {8161#true} ~p5~0 := #t~nondet4; {8161#true} is VALID [2020-07-08 16:15:45,336 INFO L280 TraceCheckUtils]: 22: Hoare triple {8161#true} havoc #t~nondet4; {8161#true} is VALID [2020-07-08 16:15:45,336 INFO L280 TraceCheckUtils]: 23: Hoare triple {8161#true} havoc ~lk5~0; {8161#true} is VALID [2020-07-08 16:15:45,336 INFO L280 TraceCheckUtils]: 24: Hoare triple {8161#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {8161#true} is VALID [2020-07-08 16:15:45,337 INFO L280 TraceCheckUtils]: 25: Hoare triple {8161#true} ~p6~0 := #t~nondet5; {8161#true} is VALID [2020-07-08 16:15:45,337 INFO L280 TraceCheckUtils]: 26: Hoare triple {8161#true} havoc #t~nondet5; {8161#true} is VALID [2020-07-08 16:15:45,337 INFO L280 TraceCheckUtils]: 27: Hoare triple {8161#true} havoc ~lk6~0; {8161#true} is VALID [2020-07-08 16:15:45,338 INFO L280 TraceCheckUtils]: 28: Hoare triple {8161#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {8161#true} is VALID [2020-07-08 16:15:45,338 INFO L280 TraceCheckUtils]: 29: Hoare triple {8161#true} ~p7~0 := #t~nondet6; {8161#true} is VALID [2020-07-08 16:15:45,338 INFO L280 TraceCheckUtils]: 30: Hoare triple {8161#true} havoc #t~nondet6; {8161#true} is VALID [2020-07-08 16:15:45,339 INFO L280 TraceCheckUtils]: 31: Hoare triple {8161#true} havoc ~lk7~0; {8161#true} is VALID [2020-07-08 16:15:45,339 INFO L280 TraceCheckUtils]: 32: Hoare triple {8161#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {8161#true} is VALID [2020-07-08 16:15:45,339 INFO L280 TraceCheckUtils]: 33: Hoare triple {8161#true} ~p8~0 := #t~nondet7; {8161#true} is VALID [2020-07-08 16:15:45,339 INFO L280 TraceCheckUtils]: 34: Hoare triple {8161#true} havoc #t~nondet7; {8161#true} is VALID [2020-07-08 16:15:45,340 INFO L280 TraceCheckUtils]: 35: Hoare triple {8161#true} havoc ~lk8~0; {8161#true} is VALID [2020-07-08 16:15:45,340 INFO L280 TraceCheckUtils]: 36: Hoare triple {8161#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {8161#true} is VALID [2020-07-08 16:15:45,340 INFO L280 TraceCheckUtils]: 37: Hoare triple {8161#true} ~p9~0 := #t~nondet8; {8161#true} is VALID [2020-07-08 16:15:45,341 INFO L280 TraceCheckUtils]: 38: Hoare triple {8161#true} havoc #t~nondet8; {8161#true} is VALID [2020-07-08 16:15:45,341 INFO L280 TraceCheckUtils]: 39: Hoare triple {8161#true} havoc ~lk9~0; {8161#true} is VALID [2020-07-08 16:15:45,354 INFO L280 TraceCheckUtils]: 40: Hoare triple {8161#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {8161#true} is VALID [2020-07-08 16:15:45,354 INFO L280 TraceCheckUtils]: 41: Hoare triple {8161#true} ~p10~0 := #t~nondet9; {8161#true} is VALID [2020-07-08 16:15:45,355 INFO L280 TraceCheckUtils]: 42: Hoare triple {8161#true} havoc #t~nondet9; {8161#true} is VALID [2020-07-08 16:15:45,355 INFO L280 TraceCheckUtils]: 43: Hoare triple {8161#true} havoc ~lk10~0; {8161#true} is VALID [2020-07-08 16:15:45,355 INFO L280 TraceCheckUtils]: 44: Hoare triple {8161#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {8161#true} is VALID [2020-07-08 16:15:45,355 INFO L280 TraceCheckUtils]: 45: Hoare triple {8161#true} ~p11~0 := #t~nondet10; {8161#true} is VALID [2020-07-08 16:15:45,355 INFO L280 TraceCheckUtils]: 46: Hoare triple {8161#true} havoc #t~nondet10; {8161#true} is VALID [2020-07-08 16:15:45,356 INFO L280 TraceCheckUtils]: 47: Hoare triple {8161#true} havoc ~lk11~0; {8161#true} is VALID [2020-07-08 16:15:45,356 INFO L280 TraceCheckUtils]: 48: Hoare triple {8161#true} havoc ~cond~0; {8161#true} is VALID [2020-07-08 16:15:45,357 INFO L280 TraceCheckUtils]: 49: Hoare triple {8161#true} assume !false; {8161#true} is VALID [2020-07-08 16:15:45,358 INFO L280 TraceCheckUtils]: 50: Hoare triple {8161#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {8161#true} is VALID [2020-07-08 16:15:45,360 INFO L280 TraceCheckUtils]: 51: Hoare triple {8161#true} ~cond~0 := #t~nondet11; {8161#true} is VALID [2020-07-08 16:15:45,361 INFO L280 TraceCheckUtils]: 52: Hoare triple {8161#true} havoc #t~nondet11; {8161#true} is VALID [2020-07-08 16:15:45,375 INFO L280 TraceCheckUtils]: 53: Hoare triple {8161#true} assume !(0 == ~cond~0); {8161#true} is VALID [2020-07-08 16:15:45,376 INFO L280 TraceCheckUtils]: 54: Hoare triple {8161#true} ~lk1~0 := 0; {8161#true} is VALID [2020-07-08 16:15:45,376 INFO L280 TraceCheckUtils]: 55: Hoare triple {8161#true} ~lk2~0 := 0; {8161#true} is VALID [2020-07-08 16:15:45,377 INFO L280 TraceCheckUtils]: 56: Hoare triple {8161#true} ~lk3~0 := 0; {8161#true} is VALID [2020-07-08 16:15:45,377 INFO L280 TraceCheckUtils]: 57: Hoare triple {8161#true} ~lk4~0 := 0; {8161#true} is VALID [2020-07-08 16:15:45,377 INFO L280 TraceCheckUtils]: 58: Hoare triple {8161#true} ~lk5~0 := 0; {8161#true} is VALID [2020-07-08 16:15:45,377 INFO L280 TraceCheckUtils]: 59: Hoare triple {8161#true} ~lk6~0 := 0; {8161#true} is VALID [2020-07-08 16:15:45,378 INFO L280 TraceCheckUtils]: 60: Hoare triple {8161#true} ~lk7~0 := 0; {8161#true} is VALID [2020-07-08 16:15:45,378 INFO L280 TraceCheckUtils]: 61: Hoare triple {8161#true} ~lk8~0 := 0; {8161#true} is VALID [2020-07-08 16:15:45,381 INFO L280 TraceCheckUtils]: 62: Hoare triple {8161#true} ~lk9~0 := 0; {8161#true} is VALID [2020-07-08 16:15:45,382 INFO L280 TraceCheckUtils]: 63: Hoare triple {8161#true} ~lk10~0 := 0; {8161#true} is VALID [2020-07-08 16:15:45,382 INFO L280 TraceCheckUtils]: 64: Hoare triple {8161#true} ~lk11~0 := 0; {8161#true} is VALID [2020-07-08 16:15:45,382 INFO L280 TraceCheckUtils]: 65: Hoare triple {8161#true} assume !(0 != ~p1~0); {8161#true} is VALID [2020-07-08 16:15:45,382 INFO L280 TraceCheckUtils]: 66: Hoare triple {8161#true} assume !(0 != ~p2~0); {8161#true} is VALID [2020-07-08 16:15:45,389 INFO L280 TraceCheckUtils]: 67: Hoare triple {8161#true} assume !(0 != ~p3~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-08 16:15:45,390 INFO L280 TraceCheckUtils]: 68: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p4~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-08 16:15:45,391 INFO L280 TraceCheckUtils]: 69: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p5~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-08 16:15:45,392 INFO L280 TraceCheckUtils]: 70: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p6~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-08 16:15:45,393 INFO L280 TraceCheckUtils]: 71: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p7~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-08 16:15:45,394 INFO L280 TraceCheckUtils]: 72: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p8~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-08 16:15:45,394 INFO L280 TraceCheckUtils]: 73: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p9~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-08 16:15:45,395 INFO L280 TraceCheckUtils]: 74: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p10~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-08 16:15:45,395 INFO L280 TraceCheckUtils]: 75: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p11~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-08 16:15:45,396 INFO L280 TraceCheckUtils]: 76: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p1~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-08 16:15:45,397 INFO L280 TraceCheckUtils]: 77: Hoare triple {8165#(= 0 main_~p3~0)} assume !(0 != ~p2~0); {8165#(= 0 main_~p3~0)} is VALID [2020-07-08 16:15:45,398 INFO L280 TraceCheckUtils]: 78: Hoare triple {8165#(= 0 main_~p3~0)} assume 0 != ~p3~0; {8162#false} is VALID [2020-07-08 16:15:45,398 INFO L280 TraceCheckUtils]: 79: Hoare triple {8162#false} assume 1 != ~lk3~0; {8162#false} is VALID [2020-07-08 16:15:45,398 INFO L280 TraceCheckUtils]: 80: Hoare triple {8162#false} assume !false; {8162#false} is VALID [2020-07-08 16:15:45,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:15:45,406 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:15:45,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [713326480] [2020-07-08 16:15:45,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:15:45,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:15:45,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289229900] [2020-07-08 16:15:45,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-08 16:15:45,408 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:15:45,408 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:15:45,484 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:45,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:15:45,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:15:45,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:15:45,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:15:45,485 INFO L87 Difference]: Start difference. First operand 323 states and 438 transitions. Second operand 3 states. [2020-07-08 16:15:46,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:46,653 INFO L93 Difference]: Finished difference Result 859 states and 1200 transitions. [2020-07-08 16:15:46,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:15:46,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-07-08 16:15:46,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:15:46,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2020-07-08 16:15:46,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2020-07-08 16:15:46,663 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 354 transitions. [2020-07-08 16:15:47,000 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 354 edges. 354 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:47,026 INFO L225 Difference]: With dead ends: 859 [2020-07-08 16:15:47,026 INFO L226 Difference]: Without dead ends: 585 [2020-07-08 16:15:47,032 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 [2020-07-08 16:15:47,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-07-08 16:15:47,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 583. [2020-07-08 16:15:47,838 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:15:47,838 INFO L82 GeneralOperation]: Start isEquivalent. First operand 585 states. Second operand 583 states. [2020-07-08 16:15:47,838 INFO L74 IsIncluded]: Start isIncluded. First operand 585 states. Second operand 583 states. [2020-07-08 16:15:47,838 INFO L87 Difference]: Start difference. First operand 585 states. Second operand 583 states. [2020-07-08 16:15:47,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:47,866 INFO L93 Difference]: Finished difference Result 585 states and 803 transitions. [2020-07-08 16:15:47,866 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 803 transitions. [2020-07-08 16:15:47,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:15:47,868 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:15:47,868 INFO L74 IsIncluded]: Start isIncluded. First operand 583 states. Second operand 585 states. [2020-07-08 16:15:47,868 INFO L87 Difference]: Start difference. First operand 583 states. Second operand 585 states. [2020-07-08 16:15:47,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:47,895 INFO L93 Difference]: Finished difference Result 585 states and 803 transitions. [2020-07-08 16:15:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 803 transitions. [2020-07-08 16:15:47,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:15:47,897 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:15:47,897 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:15:47,897 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:15:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2020-07-08 16:15:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 802 transitions. [2020-07-08 16:15:47,925 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 802 transitions. Word has length 81 [2020-07-08 16:15:47,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:15:47,926 INFO L479 AbstractCegarLoop]: Abstraction has 583 states and 802 transitions. [2020-07-08 16:15:47,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:15:47,926 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 583 states and 802 transitions. [2020-07-08 16:15:48,831 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 802 edges. 802 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 802 transitions. [2020-07-08 16:15:48,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-08 16:15:48,833 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:15:48,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:15:48,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 16:15:48,834 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:15:48,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:15:48,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1064013698, now seen corresponding path program 1 times [2020-07-08 16:15:48,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:15:48,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734698064] [2020-07-08 16:15:48,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:15:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:48,886 INFO L280 TraceCheckUtils]: 0: Hoare triple {12222#true} assume true; {12222#true} is VALID [2020-07-08 16:15:48,887 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {12222#true} {12222#true} #295#return; {12222#true} is VALID [2020-07-08 16:15:48,887 INFO L263 TraceCheckUtils]: 0: Hoare triple {12222#true} call ULTIMATE.init(); {12222#true} is VALID [2020-07-08 16:15:48,887 INFO L280 TraceCheckUtils]: 1: Hoare triple {12222#true} assume true; {12222#true} is VALID [2020-07-08 16:15:48,887 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {12222#true} {12222#true} #295#return; {12222#true} is VALID [2020-07-08 16:15:48,887 INFO L263 TraceCheckUtils]: 3: Hoare triple {12222#true} call #t~ret12 := main(); {12222#true} is VALID [2020-07-08 16:15:48,888 INFO L280 TraceCheckUtils]: 4: Hoare triple {12222#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {12222#true} is VALID [2020-07-08 16:15:48,888 INFO L280 TraceCheckUtils]: 5: Hoare triple {12222#true} ~p1~0 := #t~nondet0; {12222#true} is VALID [2020-07-08 16:15:48,888 INFO L280 TraceCheckUtils]: 6: Hoare triple {12222#true} havoc #t~nondet0; {12222#true} is VALID [2020-07-08 16:15:48,889 INFO L280 TraceCheckUtils]: 7: Hoare triple {12222#true} havoc ~lk1~0; {12222#true} is VALID [2020-07-08 16:15:48,889 INFO L280 TraceCheckUtils]: 8: Hoare triple {12222#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {12222#true} is VALID [2020-07-08 16:15:48,889 INFO L280 TraceCheckUtils]: 9: Hoare triple {12222#true} ~p2~0 := #t~nondet1; {12222#true} is VALID [2020-07-08 16:15:48,889 INFO L280 TraceCheckUtils]: 10: Hoare triple {12222#true} havoc #t~nondet1; {12222#true} is VALID [2020-07-08 16:15:48,890 INFO L280 TraceCheckUtils]: 11: Hoare triple {12222#true} havoc ~lk2~0; {12222#true} is VALID [2020-07-08 16:15:48,890 INFO L280 TraceCheckUtils]: 12: Hoare triple {12222#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {12222#true} is VALID [2020-07-08 16:15:48,890 INFO L280 TraceCheckUtils]: 13: Hoare triple {12222#true} ~p3~0 := #t~nondet2; {12222#true} is VALID [2020-07-08 16:15:48,890 INFO L280 TraceCheckUtils]: 14: Hoare triple {12222#true} havoc #t~nondet2; {12222#true} is VALID [2020-07-08 16:15:48,890 INFO L280 TraceCheckUtils]: 15: Hoare triple {12222#true} havoc ~lk3~0; {12222#true} is VALID [2020-07-08 16:15:48,890 INFO L280 TraceCheckUtils]: 16: Hoare triple {12222#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {12222#true} is VALID [2020-07-08 16:15:48,891 INFO L280 TraceCheckUtils]: 17: Hoare triple {12222#true} ~p4~0 := #t~nondet3; {12222#true} is VALID [2020-07-08 16:15:48,891 INFO L280 TraceCheckUtils]: 18: Hoare triple {12222#true} havoc #t~nondet3; {12222#true} is VALID [2020-07-08 16:15:48,891 INFO L280 TraceCheckUtils]: 19: Hoare triple {12222#true} havoc ~lk4~0; {12222#true} is VALID [2020-07-08 16:15:48,891 INFO L280 TraceCheckUtils]: 20: Hoare triple {12222#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {12222#true} is VALID [2020-07-08 16:15:48,891 INFO L280 TraceCheckUtils]: 21: Hoare triple {12222#true} ~p5~0 := #t~nondet4; {12222#true} is VALID [2020-07-08 16:15:48,891 INFO L280 TraceCheckUtils]: 22: Hoare triple {12222#true} havoc #t~nondet4; {12222#true} is VALID [2020-07-08 16:15:48,892 INFO L280 TraceCheckUtils]: 23: Hoare triple {12222#true} havoc ~lk5~0; {12222#true} is VALID [2020-07-08 16:15:48,892 INFO L280 TraceCheckUtils]: 24: Hoare triple {12222#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {12222#true} is VALID [2020-07-08 16:15:48,892 INFO L280 TraceCheckUtils]: 25: Hoare triple {12222#true} ~p6~0 := #t~nondet5; {12222#true} is VALID [2020-07-08 16:15:48,892 INFO L280 TraceCheckUtils]: 26: Hoare triple {12222#true} havoc #t~nondet5; {12222#true} is VALID [2020-07-08 16:15:48,893 INFO L280 TraceCheckUtils]: 27: Hoare triple {12222#true} havoc ~lk6~0; {12222#true} is VALID [2020-07-08 16:15:48,893 INFO L280 TraceCheckUtils]: 28: Hoare triple {12222#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {12222#true} is VALID [2020-07-08 16:15:48,893 INFO L280 TraceCheckUtils]: 29: Hoare triple {12222#true} ~p7~0 := #t~nondet6; {12222#true} is VALID [2020-07-08 16:15:48,893 INFO L280 TraceCheckUtils]: 30: Hoare triple {12222#true} havoc #t~nondet6; {12222#true} is VALID [2020-07-08 16:15:48,893 INFO L280 TraceCheckUtils]: 31: Hoare triple {12222#true} havoc ~lk7~0; {12222#true} is VALID [2020-07-08 16:15:48,894 INFO L280 TraceCheckUtils]: 32: Hoare triple {12222#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {12222#true} is VALID [2020-07-08 16:15:48,894 INFO L280 TraceCheckUtils]: 33: Hoare triple {12222#true} ~p8~0 := #t~nondet7; {12222#true} is VALID [2020-07-08 16:15:48,894 INFO L280 TraceCheckUtils]: 34: Hoare triple {12222#true} havoc #t~nondet7; {12222#true} is VALID [2020-07-08 16:15:48,894 INFO L280 TraceCheckUtils]: 35: Hoare triple {12222#true} havoc ~lk8~0; {12222#true} is VALID [2020-07-08 16:15:48,895 INFO L280 TraceCheckUtils]: 36: Hoare triple {12222#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {12222#true} is VALID [2020-07-08 16:15:48,895 INFO L280 TraceCheckUtils]: 37: Hoare triple {12222#true} ~p9~0 := #t~nondet8; {12222#true} is VALID [2020-07-08 16:15:48,895 INFO L280 TraceCheckUtils]: 38: Hoare triple {12222#true} havoc #t~nondet8; {12222#true} is VALID [2020-07-08 16:15:48,895 INFO L280 TraceCheckUtils]: 39: Hoare triple {12222#true} havoc ~lk9~0; {12222#true} is VALID [2020-07-08 16:15:48,895 INFO L280 TraceCheckUtils]: 40: Hoare triple {12222#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {12222#true} is VALID [2020-07-08 16:15:48,896 INFO L280 TraceCheckUtils]: 41: Hoare triple {12222#true} ~p10~0 := #t~nondet9; {12222#true} is VALID [2020-07-08 16:15:48,896 INFO L280 TraceCheckUtils]: 42: Hoare triple {12222#true} havoc #t~nondet9; {12222#true} is VALID [2020-07-08 16:15:48,896 INFO L280 TraceCheckUtils]: 43: Hoare triple {12222#true} havoc ~lk10~0; {12222#true} is VALID [2020-07-08 16:15:48,896 INFO L280 TraceCheckUtils]: 44: Hoare triple {12222#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {12222#true} is VALID [2020-07-08 16:15:48,896 INFO L280 TraceCheckUtils]: 45: Hoare triple {12222#true} ~p11~0 := #t~nondet10; {12222#true} is VALID [2020-07-08 16:15:48,897 INFO L280 TraceCheckUtils]: 46: Hoare triple {12222#true} havoc #t~nondet10; {12222#true} is VALID [2020-07-08 16:15:48,897 INFO L280 TraceCheckUtils]: 47: Hoare triple {12222#true} havoc ~lk11~0; {12222#true} is VALID [2020-07-08 16:15:48,897 INFO L280 TraceCheckUtils]: 48: Hoare triple {12222#true} havoc ~cond~0; {12222#true} is VALID [2020-07-08 16:15:48,897 INFO L280 TraceCheckUtils]: 49: Hoare triple {12222#true} assume !false; {12222#true} is VALID [2020-07-08 16:15:48,897 INFO L280 TraceCheckUtils]: 50: Hoare triple {12222#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {12222#true} is VALID [2020-07-08 16:15:48,898 INFO L280 TraceCheckUtils]: 51: Hoare triple {12222#true} ~cond~0 := #t~nondet11; {12222#true} is VALID [2020-07-08 16:15:48,898 INFO L280 TraceCheckUtils]: 52: Hoare triple {12222#true} havoc #t~nondet11; {12222#true} is VALID [2020-07-08 16:15:48,898 INFO L280 TraceCheckUtils]: 53: Hoare triple {12222#true} assume !(0 == ~cond~0); {12222#true} is VALID [2020-07-08 16:15:48,898 INFO L280 TraceCheckUtils]: 54: Hoare triple {12222#true} ~lk1~0 := 0; {12222#true} is VALID [2020-07-08 16:15:48,899 INFO L280 TraceCheckUtils]: 55: Hoare triple {12222#true} ~lk2~0 := 0; {12222#true} is VALID [2020-07-08 16:15:48,899 INFO L280 TraceCheckUtils]: 56: Hoare triple {12222#true} ~lk3~0 := 0; {12222#true} is VALID [2020-07-08 16:15:48,899 INFO L280 TraceCheckUtils]: 57: Hoare triple {12222#true} ~lk4~0 := 0; {12222#true} is VALID [2020-07-08 16:15:48,899 INFO L280 TraceCheckUtils]: 58: Hoare triple {12222#true} ~lk5~0 := 0; {12222#true} is VALID [2020-07-08 16:15:48,899 INFO L280 TraceCheckUtils]: 59: Hoare triple {12222#true} ~lk6~0 := 0; {12222#true} is VALID [2020-07-08 16:15:48,900 INFO L280 TraceCheckUtils]: 60: Hoare triple {12222#true} ~lk7~0 := 0; {12222#true} is VALID [2020-07-08 16:15:48,900 INFO L280 TraceCheckUtils]: 61: Hoare triple {12222#true} ~lk8~0 := 0; {12222#true} is VALID [2020-07-08 16:15:48,900 INFO L280 TraceCheckUtils]: 62: Hoare triple {12222#true} ~lk9~0 := 0; {12222#true} is VALID [2020-07-08 16:15:48,900 INFO L280 TraceCheckUtils]: 63: Hoare triple {12222#true} ~lk10~0 := 0; {12222#true} is VALID [2020-07-08 16:15:48,901 INFO L280 TraceCheckUtils]: 64: Hoare triple {12222#true} ~lk11~0 := 0; {12222#true} is VALID [2020-07-08 16:15:48,901 INFO L280 TraceCheckUtils]: 65: Hoare triple {12222#true} assume !(0 != ~p1~0); {12222#true} is VALID [2020-07-08 16:15:48,901 INFO L280 TraceCheckUtils]: 66: Hoare triple {12222#true} assume !(0 != ~p2~0); {12222#true} is VALID [2020-07-08 16:15:48,901 INFO L280 TraceCheckUtils]: 67: Hoare triple {12222#true} assume !(0 != ~p3~0); {12222#true} is VALID [2020-07-08 16:15:48,902 INFO L280 TraceCheckUtils]: 68: Hoare triple {12222#true} assume !(0 != ~p4~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-08 16:15:48,902 INFO L280 TraceCheckUtils]: 69: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p5~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-08 16:15:48,903 INFO L280 TraceCheckUtils]: 70: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p6~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-08 16:15:48,903 INFO L280 TraceCheckUtils]: 71: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p7~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-08 16:15:48,903 INFO L280 TraceCheckUtils]: 72: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p8~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-08 16:15:48,904 INFO L280 TraceCheckUtils]: 73: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p9~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-08 16:15:48,909 INFO L280 TraceCheckUtils]: 74: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p10~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-08 16:15:48,910 INFO L280 TraceCheckUtils]: 75: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p11~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-08 16:15:48,911 INFO L280 TraceCheckUtils]: 76: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p1~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-08 16:15:48,911 INFO L280 TraceCheckUtils]: 77: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p2~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-08 16:15:48,912 INFO L280 TraceCheckUtils]: 78: Hoare triple {12226#(= 0 main_~p4~0)} assume !(0 != ~p3~0); {12226#(= 0 main_~p4~0)} is VALID [2020-07-08 16:15:48,914 INFO L280 TraceCheckUtils]: 79: Hoare triple {12226#(= 0 main_~p4~0)} assume 0 != ~p4~0; {12223#false} is VALID [2020-07-08 16:15:48,915 INFO L280 TraceCheckUtils]: 80: Hoare triple {12223#false} assume 1 != ~lk4~0; {12223#false} is VALID [2020-07-08 16:15:48,915 INFO L280 TraceCheckUtils]: 81: Hoare triple {12223#false} assume !false; {12223#false} is VALID [2020-07-08 16:15:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:15:48,919 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:15:48,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734698064] [2020-07-08 16:15:48,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:15:48,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:15:48,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424003085] [2020-07-08 16:15:48,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-07-08 16:15:48,921 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:15:48,921 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:15:48,996 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:48,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:15:48,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:15:48,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:15:48,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:15:48,998 INFO L87 Difference]: Start difference. First operand 583 states and 802 transitions. Second operand 3 states. [2020-07-08 16:15:51,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:51,441 INFO L93 Difference]: Finished difference Result 1627 states and 2276 transitions. [2020-07-08 16:15:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:15:51,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-07-08 16:15:51,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:15:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:51,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2020-07-08 16:15:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:51,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2020-07-08 16:15:51,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 354 transitions. [2020-07-08 16:15:51,774 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 354 edges. 354 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:51,859 INFO L225 Difference]: With dead ends: 1627 [2020-07-08 16:15:51,859 INFO L226 Difference]: Without dead ends: 1093 [2020-07-08 16:15:51,861 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 [2020-07-08 16:15:51,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2020-07-08 16:15:53,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1091. [2020-07-08 16:15:53,659 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:15:53,659 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1093 states. Second operand 1091 states. [2020-07-08 16:15:53,659 INFO L74 IsIncluded]: Start isIncluded. First operand 1093 states. Second operand 1091 states. [2020-07-08 16:15:53,660 INFO L87 Difference]: Start difference. First operand 1093 states. Second operand 1091 states. [2020-07-08 16:15:53,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:53,709 INFO L93 Difference]: Finished difference Result 1093 states and 1507 transitions. [2020-07-08 16:15:53,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1507 transitions. [2020-07-08 16:15:53,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:15:53,712 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:15:53,712 INFO L74 IsIncluded]: Start isIncluded. First operand 1091 states. Second operand 1093 states. [2020-07-08 16:15:53,712 INFO L87 Difference]: Start difference. First operand 1091 states. Second operand 1093 states. [2020-07-08 16:15:53,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:53,755 INFO L93 Difference]: Finished difference Result 1093 states and 1507 transitions. [2020-07-08 16:15:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1507 transitions. [2020-07-08 16:15:53,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:15:53,757 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:15:53,758 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:15:53,758 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:15:53,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-07-08 16:15:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1506 transitions. [2020-07-08 16:15:53,825 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1506 transitions. Word has length 82 [2020-07-08 16:15:53,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:15:53,825 INFO L479 AbstractCegarLoop]: Abstraction has 1091 states and 1506 transitions. [2020-07-08 16:15:53,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:15:53,826 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 1091 states and 1506 transitions. [2020-07-08 16:15:55,849 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1506 edges. 1506 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1506 transitions. [2020-07-08 16:15:55,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-08 16:15:55,852 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:15:55,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:15:55,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 16:15:55,853 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:15:55,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:15:55,853 INFO L82 PathProgramCache]: Analyzing trace with hash -637098359, now seen corresponding path program 1 times [2020-07-08 16:15:55,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:15:55,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010792166] [2020-07-08 16:15:55,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:15:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:15:55,923 INFO L280 TraceCheckUtils]: 0: Hoare triple {19851#true} assume true; {19851#true} is VALID [2020-07-08 16:15:55,924 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {19851#true} {19851#true} #295#return; {19851#true} is VALID [2020-07-08 16:15:55,924 INFO L263 TraceCheckUtils]: 0: Hoare triple {19851#true} call ULTIMATE.init(); {19851#true} is VALID [2020-07-08 16:15:55,924 INFO L280 TraceCheckUtils]: 1: Hoare triple {19851#true} assume true; {19851#true} is VALID [2020-07-08 16:15:55,924 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {19851#true} {19851#true} #295#return; {19851#true} is VALID [2020-07-08 16:15:55,925 INFO L263 TraceCheckUtils]: 3: Hoare triple {19851#true} call #t~ret12 := main(); {19851#true} is VALID [2020-07-08 16:15:55,925 INFO L280 TraceCheckUtils]: 4: Hoare triple {19851#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {19851#true} is VALID [2020-07-08 16:15:55,925 INFO L280 TraceCheckUtils]: 5: Hoare triple {19851#true} ~p1~0 := #t~nondet0; {19851#true} is VALID [2020-07-08 16:15:55,925 INFO L280 TraceCheckUtils]: 6: Hoare triple {19851#true} havoc #t~nondet0; {19851#true} is VALID [2020-07-08 16:15:55,926 INFO L280 TraceCheckUtils]: 7: Hoare triple {19851#true} havoc ~lk1~0; {19851#true} is VALID [2020-07-08 16:15:55,926 INFO L280 TraceCheckUtils]: 8: Hoare triple {19851#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {19851#true} is VALID [2020-07-08 16:15:55,926 INFO L280 TraceCheckUtils]: 9: Hoare triple {19851#true} ~p2~0 := #t~nondet1; {19851#true} is VALID [2020-07-08 16:15:55,926 INFO L280 TraceCheckUtils]: 10: Hoare triple {19851#true} havoc #t~nondet1; {19851#true} is VALID [2020-07-08 16:15:55,926 INFO L280 TraceCheckUtils]: 11: Hoare triple {19851#true} havoc ~lk2~0; {19851#true} is VALID [2020-07-08 16:15:55,927 INFO L280 TraceCheckUtils]: 12: Hoare triple {19851#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {19851#true} is VALID [2020-07-08 16:15:55,927 INFO L280 TraceCheckUtils]: 13: Hoare triple {19851#true} ~p3~0 := #t~nondet2; {19851#true} is VALID [2020-07-08 16:15:55,927 INFO L280 TraceCheckUtils]: 14: Hoare triple {19851#true} havoc #t~nondet2; {19851#true} is VALID [2020-07-08 16:15:55,927 INFO L280 TraceCheckUtils]: 15: Hoare triple {19851#true} havoc ~lk3~0; {19851#true} is VALID [2020-07-08 16:15:55,928 INFO L280 TraceCheckUtils]: 16: Hoare triple {19851#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {19851#true} is VALID [2020-07-08 16:15:55,928 INFO L280 TraceCheckUtils]: 17: Hoare triple {19851#true} ~p4~0 := #t~nondet3; {19851#true} is VALID [2020-07-08 16:15:55,928 INFO L280 TraceCheckUtils]: 18: Hoare triple {19851#true} havoc #t~nondet3; {19851#true} is VALID [2020-07-08 16:15:55,928 INFO L280 TraceCheckUtils]: 19: Hoare triple {19851#true} havoc ~lk4~0; {19851#true} is VALID [2020-07-08 16:15:55,928 INFO L280 TraceCheckUtils]: 20: Hoare triple {19851#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {19851#true} is VALID [2020-07-08 16:15:55,929 INFO L280 TraceCheckUtils]: 21: Hoare triple {19851#true} ~p5~0 := #t~nondet4; {19851#true} is VALID [2020-07-08 16:15:55,929 INFO L280 TraceCheckUtils]: 22: Hoare triple {19851#true} havoc #t~nondet4; {19851#true} is VALID [2020-07-08 16:15:55,929 INFO L280 TraceCheckUtils]: 23: Hoare triple {19851#true} havoc ~lk5~0; {19851#true} is VALID [2020-07-08 16:15:55,929 INFO L280 TraceCheckUtils]: 24: Hoare triple {19851#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {19851#true} is VALID [2020-07-08 16:15:55,929 INFO L280 TraceCheckUtils]: 25: Hoare triple {19851#true} ~p6~0 := #t~nondet5; {19851#true} is VALID [2020-07-08 16:15:55,930 INFO L280 TraceCheckUtils]: 26: Hoare triple {19851#true} havoc #t~nondet5; {19851#true} is VALID [2020-07-08 16:15:55,930 INFO L280 TraceCheckUtils]: 27: Hoare triple {19851#true} havoc ~lk6~0; {19851#true} is VALID [2020-07-08 16:15:55,930 INFO L280 TraceCheckUtils]: 28: Hoare triple {19851#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {19851#true} is VALID [2020-07-08 16:15:55,930 INFO L280 TraceCheckUtils]: 29: Hoare triple {19851#true} ~p7~0 := #t~nondet6; {19851#true} is VALID [2020-07-08 16:15:55,930 INFO L280 TraceCheckUtils]: 30: Hoare triple {19851#true} havoc #t~nondet6; {19851#true} is VALID [2020-07-08 16:15:55,931 INFO L280 TraceCheckUtils]: 31: Hoare triple {19851#true} havoc ~lk7~0; {19851#true} is VALID [2020-07-08 16:15:55,931 INFO L280 TraceCheckUtils]: 32: Hoare triple {19851#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {19851#true} is VALID [2020-07-08 16:15:55,931 INFO L280 TraceCheckUtils]: 33: Hoare triple {19851#true} ~p8~0 := #t~nondet7; {19851#true} is VALID [2020-07-08 16:15:55,931 INFO L280 TraceCheckUtils]: 34: Hoare triple {19851#true} havoc #t~nondet7; {19851#true} is VALID [2020-07-08 16:15:55,931 INFO L280 TraceCheckUtils]: 35: Hoare triple {19851#true} havoc ~lk8~0; {19851#true} is VALID [2020-07-08 16:15:55,932 INFO L280 TraceCheckUtils]: 36: Hoare triple {19851#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {19851#true} is VALID [2020-07-08 16:15:55,932 INFO L280 TraceCheckUtils]: 37: Hoare triple {19851#true} ~p9~0 := #t~nondet8; {19851#true} is VALID [2020-07-08 16:15:55,932 INFO L280 TraceCheckUtils]: 38: Hoare triple {19851#true} havoc #t~nondet8; {19851#true} is VALID [2020-07-08 16:15:55,932 INFO L280 TraceCheckUtils]: 39: Hoare triple {19851#true} havoc ~lk9~0; {19851#true} is VALID [2020-07-08 16:15:55,933 INFO L280 TraceCheckUtils]: 40: Hoare triple {19851#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {19851#true} is VALID [2020-07-08 16:15:55,933 INFO L280 TraceCheckUtils]: 41: Hoare triple {19851#true} ~p10~0 := #t~nondet9; {19851#true} is VALID [2020-07-08 16:15:55,933 INFO L280 TraceCheckUtils]: 42: Hoare triple {19851#true} havoc #t~nondet9; {19851#true} is VALID [2020-07-08 16:15:55,933 INFO L280 TraceCheckUtils]: 43: Hoare triple {19851#true} havoc ~lk10~0; {19851#true} is VALID [2020-07-08 16:15:55,933 INFO L280 TraceCheckUtils]: 44: Hoare triple {19851#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {19851#true} is VALID [2020-07-08 16:15:55,934 INFO L280 TraceCheckUtils]: 45: Hoare triple {19851#true} ~p11~0 := #t~nondet10; {19851#true} is VALID [2020-07-08 16:15:55,934 INFO L280 TraceCheckUtils]: 46: Hoare triple {19851#true} havoc #t~nondet10; {19851#true} is VALID [2020-07-08 16:15:55,934 INFO L280 TraceCheckUtils]: 47: Hoare triple {19851#true} havoc ~lk11~0; {19851#true} is VALID [2020-07-08 16:15:55,934 INFO L280 TraceCheckUtils]: 48: Hoare triple {19851#true} havoc ~cond~0; {19851#true} is VALID [2020-07-08 16:15:55,934 INFO L280 TraceCheckUtils]: 49: Hoare triple {19851#true} assume !false; {19851#true} is VALID [2020-07-08 16:15:55,935 INFO L280 TraceCheckUtils]: 50: Hoare triple {19851#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {19851#true} is VALID [2020-07-08 16:15:55,935 INFO L280 TraceCheckUtils]: 51: Hoare triple {19851#true} ~cond~0 := #t~nondet11; {19851#true} is VALID [2020-07-08 16:15:55,935 INFO L280 TraceCheckUtils]: 52: Hoare triple {19851#true} havoc #t~nondet11; {19851#true} is VALID [2020-07-08 16:15:55,935 INFO L280 TraceCheckUtils]: 53: Hoare triple {19851#true} assume !(0 == ~cond~0); {19851#true} is VALID [2020-07-08 16:15:55,935 INFO L280 TraceCheckUtils]: 54: Hoare triple {19851#true} ~lk1~0 := 0; {19851#true} is VALID [2020-07-08 16:15:55,936 INFO L280 TraceCheckUtils]: 55: Hoare triple {19851#true} ~lk2~0 := 0; {19851#true} is VALID [2020-07-08 16:15:55,936 INFO L280 TraceCheckUtils]: 56: Hoare triple {19851#true} ~lk3~0 := 0; {19851#true} is VALID [2020-07-08 16:15:55,936 INFO L280 TraceCheckUtils]: 57: Hoare triple {19851#true} ~lk4~0 := 0; {19851#true} is VALID [2020-07-08 16:15:55,936 INFO L280 TraceCheckUtils]: 58: Hoare triple {19851#true} ~lk5~0 := 0; {19851#true} is VALID [2020-07-08 16:15:55,937 INFO L280 TraceCheckUtils]: 59: Hoare triple {19851#true} ~lk6~0 := 0; {19851#true} is VALID [2020-07-08 16:15:55,937 INFO L280 TraceCheckUtils]: 60: Hoare triple {19851#true} ~lk7~0 := 0; {19851#true} is VALID [2020-07-08 16:15:55,937 INFO L280 TraceCheckUtils]: 61: Hoare triple {19851#true} ~lk8~0 := 0; {19851#true} is VALID [2020-07-08 16:15:55,937 INFO L280 TraceCheckUtils]: 62: Hoare triple {19851#true} ~lk9~0 := 0; {19851#true} is VALID [2020-07-08 16:15:55,938 INFO L280 TraceCheckUtils]: 63: Hoare triple {19851#true} ~lk10~0 := 0; {19851#true} is VALID [2020-07-08 16:15:55,938 INFO L280 TraceCheckUtils]: 64: Hoare triple {19851#true} ~lk11~0 := 0; {19851#true} is VALID [2020-07-08 16:15:55,938 INFO L280 TraceCheckUtils]: 65: Hoare triple {19851#true} assume !(0 != ~p1~0); {19851#true} is VALID [2020-07-08 16:15:55,938 INFO L280 TraceCheckUtils]: 66: Hoare triple {19851#true} assume !(0 != ~p2~0); {19851#true} is VALID [2020-07-08 16:15:55,939 INFO L280 TraceCheckUtils]: 67: Hoare triple {19851#true} assume 0 != ~p3~0; {19851#true} is VALID [2020-07-08 16:15:55,939 INFO L280 TraceCheckUtils]: 68: Hoare triple {19851#true} ~lk3~0 := 1; {19855#(= 1 main_~lk3~0)} is VALID [2020-07-08 16:15:55,940 INFO L280 TraceCheckUtils]: 69: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p4~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-08 16:15:55,940 INFO L280 TraceCheckUtils]: 70: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p5~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-08 16:15:55,941 INFO L280 TraceCheckUtils]: 71: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p6~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-08 16:15:55,942 INFO L280 TraceCheckUtils]: 72: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p7~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-08 16:15:55,942 INFO L280 TraceCheckUtils]: 73: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p8~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-08 16:15:55,943 INFO L280 TraceCheckUtils]: 74: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p9~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-08 16:15:55,943 INFO L280 TraceCheckUtils]: 75: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p10~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-08 16:15:55,944 INFO L280 TraceCheckUtils]: 76: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p11~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-08 16:15:55,944 INFO L280 TraceCheckUtils]: 77: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p1~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-08 16:15:55,944 INFO L280 TraceCheckUtils]: 78: Hoare triple {19855#(= 1 main_~lk3~0)} assume !(0 != ~p2~0); {19855#(= 1 main_~lk3~0)} is VALID [2020-07-08 16:15:55,945 INFO L280 TraceCheckUtils]: 79: Hoare triple {19855#(= 1 main_~lk3~0)} assume 0 != ~p3~0; {19855#(= 1 main_~lk3~0)} is VALID [2020-07-08 16:15:55,946 INFO L280 TraceCheckUtils]: 80: Hoare triple {19855#(= 1 main_~lk3~0)} assume 1 != ~lk3~0; {19852#false} is VALID [2020-07-08 16:15:55,946 INFO L280 TraceCheckUtils]: 81: Hoare triple {19852#false} assume !false; {19852#false} is VALID [2020-07-08 16:15:55,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:15:55,950 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:15:55,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2010792166] [2020-07-08 16:15:55,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:15:55,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:15:55,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677879442] [2020-07-08 16:15:55,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-07-08 16:15:55,952 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:15:55,952 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:15:56,023 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:56,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:15:56,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:15:56,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:15:56,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:15:56,025 INFO L87 Difference]: Start difference. First operand 1091 states and 1506 transitions. Second operand 3 states. [2020-07-08 16:15:58,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:15:58,969 INFO L93 Difference]: Finished difference Result 1343 states and 1876 transitions. [2020-07-08 16:15:58,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:15:58,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-07-08 16:15:58,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:15:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:58,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2020-07-08 16:15:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:15:58,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2020-07-08 16:15:58,976 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 235 transitions. [2020-07-08 16:15:59,196 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 235 edges. 235 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:15:59,288 INFO L225 Difference]: With dead ends: 1343 [2020-07-08 16:15:59,288 INFO L226 Difference]: Without dead ends: 1341 [2020-07-08 16:15:59,289 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 [2020-07-08 16:15:59,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2020-07-08 16:16:01,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 1091. [2020-07-08 16:16:01,330 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:16:01,330 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1341 states. Second operand 1091 states. [2020-07-08 16:16:01,330 INFO L74 IsIncluded]: Start isIncluded. First operand 1341 states. Second operand 1091 states. [2020-07-08 16:16:01,330 INFO L87 Difference]: Start difference. First operand 1341 states. Second operand 1091 states. [2020-07-08 16:16:01,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:16:01,411 INFO L93 Difference]: Finished difference Result 1341 states and 1867 transitions. [2020-07-08 16:16:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1867 transitions. [2020-07-08 16:16:01,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:16:01,414 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:16:01,414 INFO L74 IsIncluded]: Start isIncluded. First operand 1091 states. Second operand 1341 states. [2020-07-08 16:16:01,414 INFO L87 Difference]: Start difference. First operand 1091 states. Second operand 1341 states. [2020-07-08 16:16:01,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:16:01,501 INFO L93 Difference]: Finished difference Result 1341 states and 1867 transitions. [2020-07-08 16:16:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1867 transitions. [2020-07-08 16:16:01,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:16:01,503 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:16:01,503 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:16:01,504 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:16:01,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-07-08 16:16:01,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1498 transitions. [2020-07-08 16:16:01,546 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1498 transitions. Word has length 82 [2020-07-08 16:16:01,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:16:01,546 INFO L479 AbstractCegarLoop]: Abstraction has 1091 states and 1498 transitions. [2020-07-08 16:16:01,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:16:01,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 1091 states and 1498 transitions. [2020-07-08 16:16:03,412 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1498 edges. 1498 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:16:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1498 transitions. [2020-07-08 16:16:03,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-08 16:16:03,415 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:16:03,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:16:03,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 16:16:03,415 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:16:03,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:16:03,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1659922654, now seen corresponding path program 1 times [2020-07-08 16:16:03,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:16:03,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1355749871] [2020-07-08 16:16:03,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:16:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:16:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:16:03,491 INFO L280 TraceCheckUtils]: 0: Hoare triple {27408#true} assume true; {27408#true} is VALID [2020-07-08 16:16:03,491 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {27408#true} {27408#true} #295#return; {27408#true} is VALID [2020-07-08 16:16:03,491 INFO L263 TraceCheckUtils]: 0: Hoare triple {27408#true} call ULTIMATE.init(); {27408#true} is VALID [2020-07-08 16:16:03,492 INFO L280 TraceCheckUtils]: 1: Hoare triple {27408#true} assume true; {27408#true} is VALID [2020-07-08 16:16:03,492 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {27408#true} {27408#true} #295#return; {27408#true} is VALID [2020-07-08 16:16:03,492 INFO L263 TraceCheckUtils]: 3: Hoare triple {27408#true} call #t~ret12 := main(); {27408#true} is VALID [2020-07-08 16:16:03,492 INFO L280 TraceCheckUtils]: 4: Hoare triple {27408#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {27408#true} is VALID [2020-07-08 16:16:03,493 INFO L280 TraceCheckUtils]: 5: Hoare triple {27408#true} ~p1~0 := #t~nondet0; {27408#true} is VALID [2020-07-08 16:16:03,493 INFO L280 TraceCheckUtils]: 6: Hoare triple {27408#true} havoc #t~nondet0; {27408#true} is VALID [2020-07-08 16:16:03,493 INFO L280 TraceCheckUtils]: 7: Hoare triple {27408#true} havoc ~lk1~0; {27408#true} is VALID [2020-07-08 16:16:03,493 INFO L280 TraceCheckUtils]: 8: Hoare triple {27408#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {27408#true} is VALID [2020-07-08 16:16:03,493 INFO L280 TraceCheckUtils]: 9: Hoare triple {27408#true} ~p2~0 := #t~nondet1; {27408#true} is VALID [2020-07-08 16:16:03,494 INFO L280 TraceCheckUtils]: 10: Hoare triple {27408#true} havoc #t~nondet1; {27408#true} is VALID [2020-07-08 16:16:03,494 INFO L280 TraceCheckUtils]: 11: Hoare triple {27408#true} havoc ~lk2~0; {27408#true} is VALID [2020-07-08 16:16:03,494 INFO L280 TraceCheckUtils]: 12: Hoare triple {27408#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {27408#true} is VALID [2020-07-08 16:16:03,494 INFO L280 TraceCheckUtils]: 13: Hoare triple {27408#true} ~p3~0 := #t~nondet2; {27408#true} is VALID [2020-07-08 16:16:03,494 INFO L280 TraceCheckUtils]: 14: Hoare triple {27408#true} havoc #t~nondet2; {27408#true} is VALID [2020-07-08 16:16:03,495 INFO L280 TraceCheckUtils]: 15: Hoare triple {27408#true} havoc ~lk3~0; {27408#true} is VALID [2020-07-08 16:16:03,495 INFO L280 TraceCheckUtils]: 16: Hoare triple {27408#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {27408#true} is VALID [2020-07-08 16:16:03,495 INFO L280 TraceCheckUtils]: 17: Hoare triple {27408#true} ~p4~0 := #t~nondet3; {27408#true} is VALID [2020-07-08 16:16:03,495 INFO L280 TraceCheckUtils]: 18: Hoare triple {27408#true} havoc #t~nondet3; {27408#true} is VALID [2020-07-08 16:16:03,495 INFO L280 TraceCheckUtils]: 19: Hoare triple {27408#true} havoc ~lk4~0; {27408#true} is VALID [2020-07-08 16:16:03,496 INFO L280 TraceCheckUtils]: 20: Hoare triple {27408#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {27408#true} is VALID [2020-07-08 16:16:03,496 INFO L280 TraceCheckUtils]: 21: Hoare triple {27408#true} ~p5~0 := #t~nondet4; {27408#true} is VALID [2020-07-08 16:16:03,496 INFO L280 TraceCheckUtils]: 22: Hoare triple {27408#true} havoc #t~nondet4; {27408#true} is VALID [2020-07-08 16:16:03,496 INFO L280 TraceCheckUtils]: 23: Hoare triple {27408#true} havoc ~lk5~0; {27408#true} is VALID [2020-07-08 16:16:03,496 INFO L280 TraceCheckUtils]: 24: Hoare triple {27408#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {27408#true} is VALID [2020-07-08 16:16:03,497 INFO L280 TraceCheckUtils]: 25: Hoare triple {27408#true} ~p6~0 := #t~nondet5; {27408#true} is VALID [2020-07-08 16:16:03,497 INFO L280 TraceCheckUtils]: 26: Hoare triple {27408#true} havoc #t~nondet5; {27408#true} is VALID [2020-07-08 16:16:03,497 INFO L280 TraceCheckUtils]: 27: Hoare triple {27408#true} havoc ~lk6~0; {27408#true} is VALID [2020-07-08 16:16:03,497 INFO L280 TraceCheckUtils]: 28: Hoare triple {27408#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {27408#true} is VALID [2020-07-08 16:16:03,498 INFO L280 TraceCheckUtils]: 29: Hoare triple {27408#true} ~p7~0 := #t~nondet6; {27408#true} is VALID [2020-07-08 16:16:03,498 INFO L280 TraceCheckUtils]: 30: Hoare triple {27408#true} havoc #t~nondet6; {27408#true} is VALID [2020-07-08 16:16:03,498 INFO L280 TraceCheckUtils]: 31: Hoare triple {27408#true} havoc ~lk7~0; {27408#true} is VALID [2020-07-08 16:16:03,498 INFO L280 TraceCheckUtils]: 32: Hoare triple {27408#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {27408#true} is VALID [2020-07-08 16:16:03,498 INFO L280 TraceCheckUtils]: 33: Hoare triple {27408#true} ~p8~0 := #t~nondet7; {27408#true} is VALID [2020-07-08 16:16:03,499 INFO L280 TraceCheckUtils]: 34: Hoare triple {27408#true} havoc #t~nondet7; {27408#true} is VALID [2020-07-08 16:16:03,499 INFO L280 TraceCheckUtils]: 35: Hoare triple {27408#true} havoc ~lk8~0; {27408#true} is VALID [2020-07-08 16:16:03,499 INFO L280 TraceCheckUtils]: 36: Hoare triple {27408#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {27408#true} is VALID [2020-07-08 16:16:03,499 INFO L280 TraceCheckUtils]: 37: Hoare triple {27408#true} ~p9~0 := #t~nondet8; {27408#true} is VALID [2020-07-08 16:16:03,500 INFO L280 TraceCheckUtils]: 38: Hoare triple {27408#true} havoc #t~nondet8; {27408#true} is VALID [2020-07-08 16:16:03,500 INFO L280 TraceCheckUtils]: 39: Hoare triple {27408#true} havoc ~lk9~0; {27408#true} is VALID [2020-07-08 16:16:03,500 INFO L280 TraceCheckUtils]: 40: Hoare triple {27408#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {27408#true} is VALID [2020-07-08 16:16:03,500 INFO L280 TraceCheckUtils]: 41: Hoare triple {27408#true} ~p10~0 := #t~nondet9; {27408#true} is VALID [2020-07-08 16:16:03,501 INFO L280 TraceCheckUtils]: 42: Hoare triple {27408#true} havoc #t~nondet9; {27408#true} is VALID [2020-07-08 16:16:03,501 INFO L280 TraceCheckUtils]: 43: Hoare triple {27408#true} havoc ~lk10~0; {27408#true} is VALID [2020-07-08 16:16:03,501 INFO L280 TraceCheckUtils]: 44: Hoare triple {27408#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {27408#true} is VALID [2020-07-08 16:16:03,501 INFO L280 TraceCheckUtils]: 45: Hoare triple {27408#true} ~p11~0 := #t~nondet10; {27408#true} is VALID [2020-07-08 16:16:03,501 INFO L280 TraceCheckUtils]: 46: Hoare triple {27408#true} havoc #t~nondet10; {27408#true} is VALID [2020-07-08 16:16:03,502 INFO L280 TraceCheckUtils]: 47: Hoare triple {27408#true} havoc ~lk11~0; {27408#true} is VALID [2020-07-08 16:16:03,502 INFO L280 TraceCheckUtils]: 48: Hoare triple {27408#true} havoc ~cond~0; {27408#true} is VALID [2020-07-08 16:16:03,502 INFO L280 TraceCheckUtils]: 49: Hoare triple {27408#true} assume !false; {27408#true} is VALID [2020-07-08 16:16:03,502 INFO L280 TraceCheckUtils]: 50: Hoare triple {27408#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {27408#true} is VALID [2020-07-08 16:16:03,502 INFO L280 TraceCheckUtils]: 51: Hoare triple {27408#true} ~cond~0 := #t~nondet11; {27408#true} is VALID [2020-07-08 16:16:03,503 INFO L280 TraceCheckUtils]: 52: Hoare triple {27408#true} havoc #t~nondet11; {27408#true} is VALID [2020-07-08 16:16:03,503 INFO L280 TraceCheckUtils]: 53: Hoare triple {27408#true} assume !(0 == ~cond~0); {27408#true} is VALID [2020-07-08 16:16:03,503 INFO L280 TraceCheckUtils]: 54: Hoare triple {27408#true} ~lk1~0 := 0; {27408#true} is VALID [2020-07-08 16:16:03,503 INFO L280 TraceCheckUtils]: 55: Hoare triple {27408#true} ~lk2~0 := 0; {27408#true} is VALID [2020-07-08 16:16:03,503 INFO L280 TraceCheckUtils]: 56: Hoare triple {27408#true} ~lk3~0 := 0; {27408#true} is VALID [2020-07-08 16:16:03,503 INFO L280 TraceCheckUtils]: 57: Hoare triple {27408#true} ~lk4~0 := 0; {27408#true} is VALID [2020-07-08 16:16:03,504 INFO L280 TraceCheckUtils]: 58: Hoare triple {27408#true} ~lk5~0 := 0; {27408#true} is VALID [2020-07-08 16:16:03,504 INFO L280 TraceCheckUtils]: 59: Hoare triple {27408#true} ~lk6~0 := 0; {27408#true} is VALID [2020-07-08 16:16:03,504 INFO L280 TraceCheckUtils]: 60: Hoare triple {27408#true} ~lk7~0 := 0; {27408#true} is VALID [2020-07-08 16:16:03,504 INFO L280 TraceCheckUtils]: 61: Hoare triple {27408#true} ~lk8~0 := 0; {27408#true} is VALID [2020-07-08 16:16:03,505 INFO L280 TraceCheckUtils]: 62: Hoare triple {27408#true} ~lk9~0 := 0; {27408#true} is VALID [2020-07-08 16:16:03,505 INFO L280 TraceCheckUtils]: 63: Hoare triple {27408#true} ~lk10~0 := 0; {27408#true} is VALID [2020-07-08 16:16:03,505 INFO L280 TraceCheckUtils]: 64: Hoare triple {27408#true} ~lk11~0 := 0; {27408#true} is VALID [2020-07-08 16:16:03,505 INFO L280 TraceCheckUtils]: 65: Hoare triple {27408#true} assume !(0 != ~p1~0); {27408#true} is VALID [2020-07-08 16:16:03,505 INFO L280 TraceCheckUtils]: 66: Hoare triple {27408#true} assume !(0 != ~p2~0); {27408#true} is VALID [2020-07-08 16:16:03,505 INFO L280 TraceCheckUtils]: 67: Hoare triple {27408#true} assume !(0 != ~p3~0); {27408#true} is VALID [2020-07-08 16:16:03,506 INFO L280 TraceCheckUtils]: 68: Hoare triple {27408#true} assume 0 != ~p4~0; {27408#true} is VALID [2020-07-08 16:16:03,506 INFO L280 TraceCheckUtils]: 69: Hoare triple {27408#true} ~lk4~0 := 1; {27412#(= 1 main_~lk4~0)} is VALID [2020-07-08 16:16:03,507 INFO L280 TraceCheckUtils]: 70: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p5~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-08 16:16:03,507 INFO L280 TraceCheckUtils]: 71: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p6~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-08 16:16:03,508 INFO L280 TraceCheckUtils]: 72: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p7~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-08 16:16:03,526 INFO L280 TraceCheckUtils]: 73: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p8~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-08 16:16:03,527 INFO L280 TraceCheckUtils]: 74: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p9~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-08 16:16:03,527 INFO L280 TraceCheckUtils]: 75: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p10~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-08 16:16:03,528 INFO L280 TraceCheckUtils]: 76: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p11~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-08 16:16:03,528 INFO L280 TraceCheckUtils]: 77: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p1~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-08 16:16:03,529 INFO L280 TraceCheckUtils]: 78: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p2~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-08 16:16:03,530 INFO L280 TraceCheckUtils]: 79: Hoare triple {27412#(= 1 main_~lk4~0)} assume !(0 != ~p3~0); {27412#(= 1 main_~lk4~0)} is VALID [2020-07-08 16:16:03,530 INFO L280 TraceCheckUtils]: 80: Hoare triple {27412#(= 1 main_~lk4~0)} assume 0 != ~p4~0; {27412#(= 1 main_~lk4~0)} is VALID [2020-07-08 16:16:03,531 INFO L280 TraceCheckUtils]: 81: Hoare triple {27412#(= 1 main_~lk4~0)} assume 1 != ~lk4~0; {27409#false} is VALID [2020-07-08 16:16:03,531 INFO L280 TraceCheckUtils]: 82: Hoare triple {27409#false} assume !false; {27409#false} is VALID [2020-07-08 16:16:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:16:03,536 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:16:03,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1355749871] [2020-07-08 16:16:03,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:16:03,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:16:03,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578440245] [2020-07-08 16:16:03,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-08 16:16:03,539 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:16:03,539 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:16:03,603 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:16:03,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:16:03,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:16:03,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:16:03,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:16:03,604 INFO L87 Difference]: Start difference. First operand 1091 states and 1498 transitions. Second operand 3 states. [2020-07-08 16:16:06,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:16:06,752 INFO L93 Difference]: Finished difference Result 1335 states and 1852 transitions. [2020-07-08 16:16:06,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:16:06,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-08 16:16:06,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:16:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:16:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2020-07-08 16:16:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:16:06,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2020-07-08 16:16:06,756 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 231 transitions. [2020-07-08 16:16:06,980 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:16:07,046 INFO L225 Difference]: With dead ends: 1335 [2020-07-08 16:16:07,046 INFO L226 Difference]: Without dead ends: 1333 [2020-07-08 16:16:07,047 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 [2020-07-08 16:16:07,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2020-07-08 16:16:09,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 1091. [2020-07-08 16:16:09,217 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:16:09,218 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1333 states. Second operand 1091 states. [2020-07-08 16:16:09,218 INFO L74 IsIncluded]: Start isIncluded. First operand 1333 states. Second operand 1091 states. [2020-07-08 16:16:09,218 INFO L87 Difference]: Start difference. First operand 1333 states. Second operand 1091 states. [2020-07-08 16:16:09,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:16:09,280 INFO L93 Difference]: Finished difference Result 1333 states and 1843 transitions. [2020-07-08 16:16:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1843 transitions. [2020-07-08 16:16:09,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:16:09,282 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:16:09,282 INFO L74 IsIncluded]: Start isIncluded. First operand 1091 states. Second operand 1333 states. [2020-07-08 16:16:09,282 INFO L87 Difference]: Start difference. First operand 1091 states. Second operand 1333 states. [2020-07-08 16:16:09,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:16:09,354 INFO L93 Difference]: Finished difference Result 1333 states and 1843 transitions. [2020-07-08 16:16:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1843 transitions. [2020-07-08 16:16:09,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:16:09,355 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:16:09,356 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:16:09,356 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:16:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-07-08 16:16:09,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1490 transitions. [2020-07-08 16:16:09,394 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1490 transitions. Word has length 83 [2020-07-08 16:16:09,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:16:09,394 INFO L479 AbstractCegarLoop]: Abstraction has 1091 states and 1490 transitions. [2020-07-08 16:16:09,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:16:09,394 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 1091 states and 1490 transitions. [2020-07-08 16:16:11,316 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1490 edges. 1490 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:16:11,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1490 transitions. [2020-07-08 16:16:11,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-08 16:16:11,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:16:11,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:16:11,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-08 16:16:11,319 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:16:11,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:16:11,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1375558424, now seen corresponding path program 1 times [2020-07-08 16:16:11,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:16:11,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180752873] [2020-07-08 16:16:11,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:16:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:16:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:16:11,397 INFO L280 TraceCheckUtils]: 0: Hoare triple {34933#true} assume true; {34933#true} is VALID [2020-07-08 16:16:11,397 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {34933#true} {34933#true} #295#return; {34933#true} is VALID [2020-07-08 16:16:11,397 INFO L263 TraceCheckUtils]: 0: Hoare triple {34933#true} call ULTIMATE.init(); {34933#true} is VALID [2020-07-08 16:16:11,397 INFO L280 TraceCheckUtils]: 1: Hoare triple {34933#true} assume true; {34933#true} is VALID [2020-07-08 16:16:11,398 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {34933#true} {34933#true} #295#return; {34933#true} is VALID [2020-07-08 16:16:11,398 INFO L263 TraceCheckUtils]: 3: Hoare triple {34933#true} call #t~ret12 := main(); {34933#true} is VALID [2020-07-08 16:16:11,398 INFO L280 TraceCheckUtils]: 4: Hoare triple {34933#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {34933#true} is VALID [2020-07-08 16:16:11,398 INFO L280 TraceCheckUtils]: 5: Hoare triple {34933#true} ~p1~0 := #t~nondet0; {34933#true} is VALID [2020-07-08 16:16:11,398 INFO L280 TraceCheckUtils]: 6: Hoare triple {34933#true} havoc #t~nondet0; {34933#true} is VALID [2020-07-08 16:16:11,398 INFO L280 TraceCheckUtils]: 7: Hoare triple {34933#true} havoc ~lk1~0; {34933#true} is VALID [2020-07-08 16:16:11,399 INFO L280 TraceCheckUtils]: 8: Hoare triple {34933#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {34933#true} is VALID [2020-07-08 16:16:11,399 INFO L280 TraceCheckUtils]: 9: Hoare triple {34933#true} ~p2~0 := #t~nondet1; {34933#true} is VALID [2020-07-08 16:16:11,399 INFO L280 TraceCheckUtils]: 10: Hoare triple {34933#true} havoc #t~nondet1; {34933#true} is VALID [2020-07-08 16:16:11,399 INFO L280 TraceCheckUtils]: 11: Hoare triple {34933#true} havoc ~lk2~0; {34933#true} is VALID [2020-07-08 16:16:11,399 INFO L280 TraceCheckUtils]: 12: Hoare triple {34933#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {34933#true} is VALID [2020-07-08 16:16:11,399 INFO L280 TraceCheckUtils]: 13: Hoare triple {34933#true} ~p3~0 := #t~nondet2; {34933#true} is VALID [2020-07-08 16:16:11,400 INFO L280 TraceCheckUtils]: 14: Hoare triple {34933#true} havoc #t~nondet2; {34933#true} is VALID [2020-07-08 16:16:11,400 INFO L280 TraceCheckUtils]: 15: Hoare triple {34933#true} havoc ~lk3~0; {34933#true} is VALID [2020-07-08 16:16:11,400 INFO L280 TraceCheckUtils]: 16: Hoare triple {34933#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {34933#true} is VALID [2020-07-08 16:16:11,400 INFO L280 TraceCheckUtils]: 17: Hoare triple {34933#true} ~p4~0 := #t~nondet3; {34933#true} is VALID [2020-07-08 16:16:11,400 INFO L280 TraceCheckUtils]: 18: Hoare triple {34933#true} havoc #t~nondet3; {34933#true} is VALID [2020-07-08 16:16:11,401 INFO L280 TraceCheckUtils]: 19: Hoare triple {34933#true} havoc ~lk4~0; {34933#true} is VALID [2020-07-08 16:16:11,401 INFO L280 TraceCheckUtils]: 20: Hoare triple {34933#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {34933#true} is VALID [2020-07-08 16:16:11,401 INFO L280 TraceCheckUtils]: 21: Hoare triple {34933#true} ~p5~0 := #t~nondet4; {34933#true} is VALID [2020-07-08 16:16:11,401 INFO L280 TraceCheckUtils]: 22: Hoare triple {34933#true} havoc #t~nondet4; {34933#true} is VALID [2020-07-08 16:16:11,401 INFO L280 TraceCheckUtils]: 23: Hoare triple {34933#true} havoc ~lk5~0; {34933#true} is VALID [2020-07-08 16:16:11,401 INFO L280 TraceCheckUtils]: 24: Hoare triple {34933#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {34933#true} is VALID [2020-07-08 16:16:11,402 INFO L280 TraceCheckUtils]: 25: Hoare triple {34933#true} ~p6~0 := #t~nondet5; {34933#true} is VALID [2020-07-08 16:16:11,402 INFO L280 TraceCheckUtils]: 26: Hoare triple {34933#true} havoc #t~nondet5; {34933#true} is VALID [2020-07-08 16:16:11,402 INFO L280 TraceCheckUtils]: 27: Hoare triple {34933#true} havoc ~lk6~0; {34933#true} is VALID [2020-07-08 16:16:11,402 INFO L280 TraceCheckUtils]: 28: Hoare triple {34933#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {34933#true} is VALID [2020-07-08 16:16:11,402 INFO L280 TraceCheckUtils]: 29: Hoare triple {34933#true} ~p7~0 := #t~nondet6; {34933#true} is VALID [2020-07-08 16:16:11,403 INFO L280 TraceCheckUtils]: 30: Hoare triple {34933#true} havoc #t~nondet6; {34933#true} is VALID [2020-07-08 16:16:11,403 INFO L280 TraceCheckUtils]: 31: Hoare triple {34933#true} havoc ~lk7~0; {34933#true} is VALID [2020-07-08 16:16:11,403 INFO L280 TraceCheckUtils]: 32: Hoare triple {34933#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {34933#true} is VALID [2020-07-08 16:16:11,403 INFO L280 TraceCheckUtils]: 33: Hoare triple {34933#true} ~p8~0 := #t~nondet7; {34933#true} is VALID [2020-07-08 16:16:11,403 INFO L280 TraceCheckUtils]: 34: Hoare triple {34933#true} havoc #t~nondet7; {34933#true} is VALID [2020-07-08 16:16:11,403 INFO L280 TraceCheckUtils]: 35: Hoare triple {34933#true} havoc ~lk8~0; {34933#true} is VALID [2020-07-08 16:16:11,404 INFO L280 TraceCheckUtils]: 36: Hoare triple {34933#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {34933#true} is VALID [2020-07-08 16:16:11,404 INFO L280 TraceCheckUtils]: 37: Hoare triple {34933#true} ~p9~0 := #t~nondet8; {34933#true} is VALID [2020-07-08 16:16:11,404 INFO L280 TraceCheckUtils]: 38: Hoare triple {34933#true} havoc #t~nondet8; {34933#true} is VALID [2020-07-08 16:16:11,404 INFO L280 TraceCheckUtils]: 39: Hoare triple {34933#true} havoc ~lk9~0; {34933#true} is VALID [2020-07-08 16:16:11,404 INFO L280 TraceCheckUtils]: 40: Hoare triple {34933#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {34933#true} is VALID [2020-07-08 16:16:11,405 INFO L280 TraceCheckUtils]: 41: Hoare triple {34933#true} ~p10~0 := #t~nondet9; {34933#true} is VALID [2020-07-08 16:16:11,405 INFO L280 TraceCheckUtils]: 42: Hoare triple {34933#true} havoc #t~nondet9; {34933#true} is VALID [2020-07-08 16:16:11,405 INFO L280 TraceCheckUtils]: 43: Hoare triple {34933#true} havoc ~lk10~0; {34933#true} is VALID [2020-07-08 16:16:11,405 INFO L280 TraceCheckUtils]: 44: Hoare triple {34933#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {34933#true} is VALID [2020-07-08 16:16:11,405 INFO L280 TraceCheckUtils]: 45: Hoare triple {34933#true} ~p11~0 := #t~nondet10; {34933#true} is VALID [2020-07-08 16:16:11,405 INFO L280 TraceCheckUtils]: 46: Hoare triple {34933#true} havoc #t~nondet10; {34933#true} is VALID [2020-07-08 16:16:11,406 INFO L280 TraceCheckUtils]: 47: Hoare triple {34933#true} havoc ~lk11~0; {34933#true} is VALID [2020-07-08 16:16:11,406 INFO L280 TraceCheckUtils]: 48: Hoare triple {34933#true} havoc ~cond~0; {34933#true} is VALID [2020-07-08 16:16:11,406 INFO L280 TraceCheckUtils]: 49: Hoare triple {34933#true} assume !false; {34933#true} is VALID [2020-07-08 16:16:11,406 INFO L280 TraceCheckUtils]: 50: Hoare triple {34933#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {34933#true} is VALID [2020-07-08 16:16:11,406 INFO L280 TraceCheckUtils]: 51: Hoare triple {34933#true} ~cond~0 := #t~nondet11; {34933#true} is VALID [2020-07-08 16:16:11,407 INFO L280 TraceCheckUtils]: 52: Hoare triple {34933#true} havoc #t~nondet11; {34933#true} is VALID [2020-07-08 16:16:11,407 INFO L280 TraceCheckUtils]: 53: Hoare triple {34933#true} assume !(0 == ~cond~0); {34933#true} is VALID [2020-07-08 16:16:11,407 INFO L280 TraceCheckUtils]: 54: Hoare triple {34933#true} ~lk1~0 := 0; {34933#true} is VALID [2020-07-08 16:16:11,407 INFO L280 TraceCheckUtils]: 55: Hoare triple {34933#true} ~lk2~0 := 0; {34933#true} is VALID [2020-07-08 16:16:11,407 INFO L280 TraceCheckUtils]: 56: Hoare triple {34933#true} ~lk3~0 := 0; {34933#true} is VALID [2020-07-08 16:16:11,407 INFO L280 TraceCheckUtils]: 57: Hoare triple {34933#true} ~lk4~0 := 0; {34933#true} is VALID [2020-07-08 16:16:11,408 INFO L280 TraceCheckUtils]: 58: Hoare triple {34933#true} ~lk5~0 := 0; {34933#true} is VALID [2020-07-08 16:16:11,408 INFO L280 TraceCheckUtils]: 59: Hoare triple {34933#true} ~lk6~0 := 0; {34933#true} is VALID [2020-07-08 16:16:11,408 INFO L280 TraceCheckUtils]: 60: Hoare triple {34933#true} ~lk7~0 := 0; {34933#true} is VALID [2020-07-08 16:16:11,408 INFO L280 TraceCheckUtils]: 61: Hoare triple {34933#true} ~lk8~0 := 0; {34933#true} is VALID [2020-07-08 16:16:11,408 INFO L280 TraceCheckUtils]: 62: Hoare triple {34933#true} ~lk9~0 := 0; {34933#true} is VALID [2020-07-08 16:16:11,409 INFO L280 TraceCheckUtils]: 63: Hoare triple {34933#true} ~lk10~0 := 0; {34933#true} is VALID [2020-07-08 16:16:11,409 INFO L280 TraceCheckUtils]: 64: Hoare triple {34933#true} ~lk11~0 := 0; {34933#true} is VALID [2020-07-08 16:16:11,409 INFO L280 TraceCheckUtils]: 65: Hoare triple {34933#true} assume !(0 != ~p1~0); {34933#true} is VALID [2020-07-08 16:16:11,409 INFO L280 TraceCheckUtils]: 66: Hoare triple {34933#true} assume !(0 != ~p2~0); {34933#true} is VALID [2020-07-08 16:16:11,409 INFO L280 TraceCheckUtils]: 67: Hoare triple {34933#true} assume !(0 != ~p3~0); {34933#true} is VALID [2020-07-08 16:16:11,409 INFO L280 TraceCheckUtils]: 68: Hoare triple {34933#true} assume !(0 != ~p4~0); {34933#true} is VALID [2020-07-08 16:16:11,411 INFO L280 TraceCheckUtils]: 69: Hoare triple {34933#true} assume !(0 != ~p5~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-08 16:16:11,411 INFO L280 TraceCheckUtils]: 70: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p6~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-08 16:16:11,412 INFO L280 TraceCheckUtils]: 71: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p7~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-08 16:16:11,412 INFO L280 TraceCheckUtils]: 72: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p8~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-08 16:16:11,412 INFO L280 TraceCheckUtils]: 73: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p9~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-08 16:16:11,413 INFO L280 TraceCheckUtils]: 74: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p10~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-08 16:16:11,413 INFO L280 TraceCheckUtils]: 75: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p11~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-08 16:16:11,414 INFO L280 TraceCheckUtils]: 76: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p1~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-08 16:16:11,414 INFO L280 TraceCheckUtils]: 77: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p2~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-08 16:16:11,415 INFO L280 TraceCheckUtils]: 78: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p3~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-08 16:16:11,415 INFO L280 TraceCheckUtils]: 79: Hoare triple {34937#(= 0 main_~p5~0)} assume !(0 != ~p4~0); {34937#(= 0 main_~p5~0)} is VALID [2020-07-08 16:16:11,416 INFO L280 TraceCheckUtils]: 80: Hoare triple {34937#(= 0 main_~p5~0)} assume 0 != ~p5~0; {34934#false} is VALID [2020-07-08 16:16:11,416 INFO L280 TraceCheckUtils]: 81: Hoare triple {34934#false} assume 1 != ~lk5~0; {34934#false} is VALID [2020-07-08 16:16:11,416 INFO L280 TraceCheckUtils]: 82: Hoare triple {34934#false} assume !false; {34934#false} is VALID [2020-07-08 16:16:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:16:11,420 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:16:11,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180752873] [2020-07-08 16:16:11,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:16:11,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:16:11,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92153759] [2020-07-08 16:16:11,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-08 16:16:11,424 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:16:11,424 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:16:11,490 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:16:11,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:16:11,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:16:11,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:16:11,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:16:11,491 INFO L87 Difference]: Start difference. First operand 1091 states and 1490 transitions. Second operand 3 states. [2020-07-08 16:16:16,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:16:16,998 INFO L93 Difference]: Finished difference Result 3127 states and 4308 transitions. [2020-07-08 16:16:16,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:16:16,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-08 16:16:16,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:16:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:16:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2020-07-08 16:16:17,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:16:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2020-07-08 16:16:17,002 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 348 transitions. [2020-07-08 16:16:17,334 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 348 edges. 348 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:16:17,488 INFO L225 Difference]: With dead ends: 3127 [2020-07-08 16:16:17,488 INFO L226 Difference]: Without dead ends: 2085 [2020-07-08 16:16:17,491 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 [2020-07-08 16:16:17,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2020-07-08 16:16:22,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 2083. [2020-07-08 16:16:22,141 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:16:22,141 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2085 states. Second operand 2083 states. [2020-07-08 16:16:22,141 INFO L74 IsIncluded]: Start isIncluded. First operand 2085 states. Second operand 2083 states. [2020-07-08 16:16:22,142 INFO L87 Difference]: Start difference. First operand 2085 states. Second operand 2083 states. [2020-07-08 16:16:22,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:16:22,272 INFO L93 Difference]: Finished difference Result 2085 states and 2835 transitions. [2020-07-08 16:16:22,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2835 transitions. [2020-07-08 16:16:22,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:16:22,274 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:16:22,274 INFO L74 IsIncluded]: Start isIncluded. First operand 2083 states. Second operand 2085 states. [2020-07-08 16:16:22,274 INFO L87 Difference]: Start difference. First operand 2083 states. Second operand 2085 states. [2020-07-08 16:16:22,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:16:22,424 INFO L93 Difference]: Finished difference Result 2085 states and 2835 transitions. [2020-07-08 16:16:22,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2835 transitions. [2020-07-08 16:16:22,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:16:22,426 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:16:22,427 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:16:22,427 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:16:22,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2083 states. [2020-07-08 16:16:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 2834 transitions. [2020-07-08 16:16:22,568 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 2834 transitions. Word has length 83 [2020-07-08 16:16:22,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:16:22,568 INFO L479 AbstractCegarLoop]: Abstraction has 2083 states and 2834 transitions. [2020-07-08 16:16:22,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:16:22,569 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2083 states and 2834 transitions. [2020-07-08 16:16:26,245 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2834 edges. 2834 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:16:26,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2834 transitions. [2020-07-08 16:16:26,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-08 16:16:26,248 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:16:26,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:16:26,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-08 16:16:26,249 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:16:26,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:16:26,249 INFO L82 PathProgramCache]: Analyzing trace with hash -146869603, now seen corresponding path program 1 times [2020-07-08 16:16:26,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:16:26,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543539371] [2020-07-08 16:16:26,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:16:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:16:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:16:26,292 INFO L280 TraceCheckUtils]: 0: Hoare triple {49530#true} assume true; {49530#true} is VALID [2020-07-08 16:16:26,292 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {49530#true} {49530#true} #295#return; {49530#true} is VALID [2020-07-08 16:16:26,293 INFO L263 TraceCheckUtils]: 0: Hoare triple {49530#true} call ULTIMATE.init(); {49530#true} is VALID [2020-07-08 16:16:26,293 INFO L280 TraceCheckUtils]: 1: Hoare triple {49530#true} assume true; {49530#true} is VALID [2020-07-08 16:16:26,293 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {49530#true} {49530#true} #295#return; {49530#true} is VALID [2020-07-08 16:16:26,293 INFO L263 TraceCheckUtils]: 3: Hoare triple {49530#true} call #t~ret12 := main(); {49530#true} is VALID [2020-07-08 16:16:26,293 INFO L280 TraceCheckUtils]: 4: Hoare triple {49530#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {49530#true} is VALID [2020-07-08 16:16:26,293 INFO L280 TraceCheckUtils]: 5: Hoare triple {49530#true} ~p1~0 := #t~nondet0; {49530#true} is VALID [2020-07-08 16:16:26,294 INFO L280 TraceCheckUtils]: 6: Hoare triple {49530#true} havoc #t~nondet0; {49530#true} is VALID [2020-07-08 16:16:26,294 INFO L280 TraceCheckUtils]: 7: Hoare triple {49530#true} havoc ~lk1~0; {49530#true} is VALID [2020-07-08 16:16:26,294 INFO L280 TraceCheckUtils]: 8: Hoare triple {49530#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {49530#true} is VALID [2020-07-08 16:16:26,294 INFO L280 TraceCheckUtils]: 9: Hoare triple {49530#true} ~p2~0 := #t~nondet1; {49530#true} is VALID [2020-07-08 16:16:26,294 INFO L280 TraceCheckUtils]: 10: Hoare triple {49530#true} havoc #t~nondet1; {49530#true} is VALID [2020-07-08 16:16:26,295 INFO L280 TraceCheckUtils]: 11: Hoare triple {49530#true} havoc ~lk2~0; {49530#true} is VALID [2020-07-08 16:16:26,295 INFO L280 TraceCheckUtils]: 12: Hoare triple {49530#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {49530#true} is VALID [2020-07-08 16:16:26,295 INFO L280 TraceCheckUtils]: 13: Hoare triple {49530#true} ~p3~0 := #t~nondet2; {49530#true} is VALID [2020-07-08 16:16:26,295 INFO L280 TraceCheckUtils]: 14: Hoare triple {49530#true} havoc #t~nondet2; {49530#true} is VALID [2020-07-08 16:16:26,295 INFO L280 TraceCheckUtils]: 15: Hoare triple {49530#true} havoc ~lk3~0; {49530#true} is VALID [2020-07-08 16:16:26,296 INFO L280 TraceCheckUtils]: 16: Hoare triple {49530#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {49530#true} is VALID [2020-07-08 16:16:26,296 INFO L280 TraceCheckUtils]: 17: Hoare triple {49530#true} ~p4~0 := #t~nondet3; {49530#true} is VALID [2020-07-08 16:16:26,296 INFO L280 TraceCheckUtils]: 18: Hoare triple {49530#true} havoc #t~nondet3; {49530#true} is VALID [2020-07-08 16:16:26,296 INFO L280 TraceCheckUtils]: 19: Hoare triple {49530#true} havoc ~lk4~0; {49530#true} is VALID [2020-07-08 16:16:26,296 INFO L280 TraceCheckUtils]: 20: Hoare triple {49530#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {49530#true} is VALID [2020-07-08 16:16:26,296 INFO L280 TraceCheckUtils]: 21: Hoare triple {49530#true} ~p5~0 := #t~nondet4; {49530#true} is VALID [2020-07-08 16:16:26,297 INFO L280 TraceCheckUtils]: 22: Hoare triple {49530#true} havoc #t~nondet4; {49530#true} is VALID [2020-07-08 16:16:26,297 INFO L280 TraceCheckUtils]: 23: Hoare triple {49530#true} havoc ~lk5~0; {49530#true} is VALID [2020-07-08 16:16:26,297 INFO L280 TraceCheckUtils]: 24: Hoare triple {49530#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {49530#true} is VALID [2020-07-08 16:16:26,297 INFO L280 TraceCheckUtils]: 25: Hoare triple {49530#true} ~p6~0 := #t~nondet5; {49530#true} is VALID [2020-07-08 16:16:26,297 INFO L280 TraceCheckUtils]: 26: Hoare triple {49530#true} havoc #t~nondet5; {49530#true} is VALID [2020-07-08 16:16:26,298 INFO L280 TraceCheckUtils]: 27: Hoare triple {49530#true} havoc ~lk6~0; {49530#true} is VALID [2020-07-08 16:16:26,298 INFO L280 TraceCheckUtils]: 28: Hoare triple {49530#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {49530#true} is VALID [2020-07-08 16:16:26,298 INFO L280 TraceCheckUtils]: 29: Hoare triple {49530#true} ~p7~0 := #t~nondet6; {49530#true} is VALID [2020-07-08 16:16:26,298 INFO L280 TraceCheckUtils]: 30: Hoare triple {49530#true} havoc #t~nondet6; {49530#true} is VALID [2020-07-08 16:16:26,298 INFO L280 TraceCheckUtils]: 31: Hoare triple {49530#true} havoc ~lk7~0; {49530#true} is VALID [2020-07-08 16:16:26,298 INFO L280 TraceCheckUtils]: 32: Hoare triple {49530#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {49530#true} is VALID [2020-07-08 16:16:26,299 INFO L280 TraceCheckUtils]: 33: Hoare triple {49530#true} ~p8~0 := #t~nondet7; {49530#true} is VALID [2020-07-08 16:16:26,299 INFO L280 TraceCheckUtils]: 34: Hoare triple {49530#true} havoc #t~nondet7; {49530#true} is VALID [2020-07-08 16:16:26,299 INFO L280 TraceCheckUtils]: 35: Hoare triple {49530#true} havoc ~lk8~0; {49530#true} is VALID [2020-07-08 16:16:26,299 INFO L280 TraceCheckUtils]: 36: Hoare triple {49530#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {49530#true} is VALID [2020-07-08 16:16:26,299 INFO L280 TraceCheckUtils]: 37: Hoare triple {49530#true} ~p9~0 := #t~nondet8; {49530#true} is VALID [2020-07-08 16:16:26,299 INFO L280 TraceCheckUtils]: 38: Hoare triple {49530#true} havoc #t~nondet8; {49530#true} is VALID [2020-07-08 16:16:26,300 INFO L280 TraceCheckUtils]: 39: Hoare triple {49530#true} havoc ~lk9~0; {49530#true} is VALID [2020-07-08 16:16:26,300 INFO L280 TraceCheckUtils]: 40: Hoare triple {49530#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {49530#true} is VALID [2020-07-08 16:16:26,300 INFO L280 TraceCheckUtils]: 41: Hoare triple {49530#true} ~p10~0 := #t~nondet9; {49530#true} is VALID [2020-07-08 16:16:26,300 INFO L280 TraceCheckUtils]: 42: Hoare triple {49530#true} havoc #t~nondet9; {49530#true} is VALID [2020-07-08 16:16:26,301 INFO L280 TraceCheckUtils]: 43: Hoare triple {49530#true} havoc ~lk10~0; {49530#true} is VALID [2020-07-08 16:16:26,301 INFO L280 TraceCheckUtils]: 44: Hoare triple {49530#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {49530#true} is VALID [2020-07-08 16:16:26,301 INFO L280 TraceCheckUtils]: 45: Hoare triple {49530#true} ~p11~0 := #t~nondet10; {49530#true} is VALID [2020-07-08 16:16:26,301 INFO L280 TraceCheckUtils]: 46: Hoare triple {49530#true} havoc #t~nondet10; {49530#true} is VALID [2020-07-08 16:16:26,301 INFO L280 TraceCheckUtils]: 47: Hoare triple {49530#true} havoc ~lk11~0; {49530#true} is VALID [2020-07-08 16:16:26,302 INFO L280 TraceCheckUtils]: 48: Hoare triple {49530#true} havoc ~cond~0; {49530#true} is VALID [2020-07-08 16:16:26,302 INFO L280 TraceCheckUtils]: 49: Hoare triple {49530#true} assume !false; {49530#true} is VALID [2020-07-08 16:16:26,302 INFO L280 TraceCheckUtils]: 50: Hoare triple {49530#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {49530#true} is VALID [2020-07-08 16:16:26,302 INFO L280 TraceCheckUtils]: 51: Hoare triple {49530#true} ~cond~0 := #t~nondet11; {49530#true} is VALID [2020-07-08 16:16:26,302 INFO L280 TraceCheckUtils]: 52: Hoare triple {49530#true} havoc #t~nondet11; {49530#true} is VALID [2020-07-08 16:16:26,303 INFO L280 TraceCheckUtils]: 53: Hoare triple {49530#true} assume !(0 == ~cond~0); {49530#true} is VALID [2020-07-08 16:16:26,303 INFO L280 TraceCheckUtils]: 54: Hoare triple {49530#true} ~lk1~0 := 0; {49530#true} is VALID [2020-07-08 16:16:26,303 INFO L280 TraceCheckUtils]: 55: Hoare triple {49530#true} ~lk2~0 := 0; {49530#true} is VALID [2020-07-08 16:16:26,303 INFO L280 TraceCheckUtils]: 56: Hoare triple {49530#true} ~lk3~0 := 0; {49530#true} is VALID [2020-07-08 16:16:26,303 INFO L280 TraceCheckUtils]: 57: Hoare triple {49530#true} ~lk4~0 := 0; {49530#true} is VALID [2020-07-08 16:16:26,304 INFO L280 TraceCheckUtils]: 58: Hoare triple {49530#true} ~lk5~0 := 0; {49530#true} is VALID [2020-07-08 16:16:26,304 INFO L280 TraceCheckUtils]: 59: Hoare triple {49530#true} ~lk6~0 := 0; {49530#true} is VALID [2020-07-08 16:16:26,304 INFO L280 TraceCheckUtils]: 60: Hoare triple {49530#true} ~lk7~0 := 0; {49530#true} is VALID [2020-07-08 16:16:26,304 INFO L280 TraceCheckUtils]: 61: Hoare triple {49530#true} ~lk8~0 := 0; {49530#true} is VALID [2020-07-08 16:16:26,304 INFO L280 TraceCheckUtils]: 62: Hoare triple {49530#true} ~lk9~0 := 0; {49530#true} is VALID [2020-07-08 16:16:26,304 INFO L280 TraceCheckUtils]: 63: Hoare triple {49530#true} ~lk10~0 := 0; {49530#true} is VALID [2020-07-08 16:16:26,305 INFO L280 TraceCheckUtils]: 64: Hoare triple {49530#true} ~lk11~0 := 0; {49530#true} is VALID [2020-07-08 16:16:26,305 INFO L280 TraceCheckUtils]: 65: Hoare triple {49530#true} assume !(0 != ~p1~0); {49530#true} is VALID [2020-07-08 16:16:26,305 INFO L280 TraceCheckUtils]: 66: Hoare triple {49530#true} assume !(0 != ~p2~0); {49530#true} is VALID [2020-07-08 16:16:26,305 INFO L280 TraceCheckUtils]: 67: Hoare triple {49530#true} assume !(0 != ~p3~0); {49530#true} is VALID [2020-07-08 16:16:26,305 INFO L280 TraceCheckUtils]: 68: Hoare triple {49530#true} assume !(0 != ~p4~0); {49530#true} is VALID [2020-07-08 16:16:26,306 INFO L280 TraceCheckUtils]: 69: Hoare triple {49530#true} assume 0 != ~p5~0; {49530#true} is VALID [2020-07-08 16:16:26,310 INFO L280 TraceCheckUtils]: 70: Hoare triple {49530#true} ~lk5~0 := 1; {49534#(= 1 main_~lk5~0)} is VALID [2020-07-08 16:16:26,310 INFO L280 TraceCheckUtils]: 71: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p6~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-08 16:16:26,311 INFO L280 TraceCheckUtils]: 72: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p7~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-08 16:16:26,311 INFO L280 TraceCheckUtils]: 73: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p8~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-08 16:16:26,312 INFO L280 TraceCheckUtils]: 74: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p9~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-08 16:16:26,312 INFO L280 TraceCheckUtils]: 75: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p10~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-08 16:16:26,313 INFO L280 TraceCheckUtils]: 76: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p11~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-08 16:16:26,315 INFO L280 TraceCheckUtils]: 77: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p1~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-08 16:16:26,318 INFO L280 TraceCheckUtils]: 78: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p2~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-08 16:16:26,321 INFO L280 TraceCheckUtils]: 79: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p3~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-08 16:16:26,321 INFO L280 TraceCheckUtils]: 80: Hoare triple {49534#(= 1 main_~lk5~0)} assume !(0 != ~p4~0); {49534#(= 1 main_~lk5~0)} is VALID [2020-07-08 16:16:26,322 INFO L280 TraceCheckUtils]: 81: Hoare triple {49534#(= 1 main_~lk5~0)} assume 0 != ~p5~0; {49534#(= 1 main_~lk5~0)} is VALID [2020-07-08 16:16:26,322 INFO L280 TraceCheckUtils]: 82: Hoare triple {49534#(= 1 main_~lk5~0)} assume 1 != ~lk5~0; {49531#false} is VALID [2020-07-08 16:16:26,323 INFO L280 TraceCheckUtils]: 83: Hoare triple {49531#false} assume !false; {49531#false} is VALID [2020-07-08 16:16:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:16:26,327 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:16:26,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543539371] [2020-07-08 16:16:26,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:16:26,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:16:26,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931404378] [2020-07-08 16:16:26,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-07-08 16:16:26,328 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:16:26,329 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:16:26,408 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:16:26,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:16:26,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:16:26,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:16:26,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:16:26,409 INFO L87 Difference]: Start difference. First operand 2083 states and 2834 transitions. Second operand 3 states. [2020-07-08 16:16:33,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:16:33,210 INFO L93 Difference]: Finished difference Result 2535 states and 3476 transitions. [2020-07-08 16:16:33,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:16:33,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-07-08 16:16:33,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:16:33,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:16:33,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2020-07-08 16:16:33,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:16:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2020-07-08 16:16:33,214 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 227 transitions. [2020-07-08 16:16:33,432 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 227 edges. 227 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:16:33,644 INFO L225 Difference]: With dead ends: 2535 [2020-07-08 16:16:33,645 INFO L226 Difference]: Without dead ends: 2533 [2020-07-08 16:16:33,646 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 [2020-07-08 16:16:33,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2533 states. [2020-07-08 16:16:38,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2533 to 2083. [2020-07-08 16:16:38,801 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:16:38,801 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2533 states. Second operand 2083 states. [2020-07-08 16:16:38,801 INFO L74 IsIncluded]: Start isIncluded. First operand 2533 states. Second operand 2083 states. [2020-07-08 16:16:38,802 INFO L87 Difference]: Start difference. First operand 2533 states. Second operand 2083 states. [2020-07-08 16:16:38,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:16:38,997 INFO L93 Difference]: Finished difference Result 2533 states and 3459 transitions. [2020-07-08 16:16:38,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3459 transitions. [2020-07-08 16:16:39,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:16:39,001 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:16:39,001 INFO L74 IsIncluded]: Start isIncluded. First operand 2083 states. Second operand 2533 states. [2020-07-08 16:16:39,001 INFO L87 Difference]: Start difference. First operand 2083 states. Second operand 2533 states. [2020-07-08 16:16:39,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:16:39,183 INFO L93 Difference]: Finished difference Result 2533 states and 3459 transitions. [2020-07-08 16:16:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3459 transitions. [2020-07-08 16:16:39,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:16:39,186 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:16:39,186 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:16:39,186 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:16:39,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2083 states. [2020-07-08 16:16:39,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 2818 transitions. [2020-07-08 16:16:39,318 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 2818 transitions. Word has length 84 [2020-07-08 16:16:39,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:16:39,319 INFO L479 AbstractCegarLoop]: Abstraction has 2083 states and 2818 transitions. [2020-07-08 16:16:39,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:16:39,319 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2083 states and 2818 transitions. [2020-07-08 16:16:43,116 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2818 edges. 2818 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:16:43,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2818 transitions. [2020-07-08 16:16:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-08 16:16:43,119 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:16:43,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:16:43,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-08 16:16:43,120 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:16:43,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:16:43,121 INFO L82 PathProgramCache]: Analyzing trace with hash -307116750, now seen corresponding path program 1 times [2020-07-08 16:16:43,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:16:43,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1730284628] [2020-07-08 16:16:43,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:16:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:16:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:16:43,157 INFO L280 TraceCheckUtils]: 0: Hoare triple {63839#true} assume true; {63839#true} is VALID [2020-07-08 16:16:43,157 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {63839#true} {63839#true} #295#return; {63839#true} is VALID [2020-07-08 16:16:43,157 INFO L263 TraceCheckUtils]: 0: Hoare triple {63839#true} call ULTIMATE.init(); {63839#true} is VALID [2020-07-08 16:16:43,158 INFO L280 TraceCheckUtils]: 1: Hoare triple {63839#true} assume true; {63839#true} is VALID [2020-07-08 16:16:43,158 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {63839#true} {63839#true} #295#return; {63839#true} is VALID [2020-07-08 16:16:43,158 INFO L263 TraceCheckUtils]: 3: Hoare triple {63839#true} call #t~ret12 := main(); {63839#true} is VALID [2020-07-08 16:16:43,158 INFO L280 TraceCheckUtils]: 4: Hoare triple {63839#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {63839#true} is VALID [2020-07-08 16:16:43,158 INFO L280 TraceCheckUtils]: 5: Hoare triple {63839#true} ~p1~0 := #t~nondet0; {63839#true} is VALID [2020-07-08 16:16:43,158 INFO L280 TraceCheckUtils]: 6: Hoare triple {63839#true} havoc #t~nondet0; {63839#true} is VALID [2020-07-08 16:16:43,159 INFO L280 TraceCheckUtils]: 7: Hoare triple {63839#true} havoc ~lk1~0; {63839#true} is VALID [2020-07-08 16:16:43,159 INFO L280 TraceCheckUtils]: 8: Hoare triple {63839#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {63839#true} is VALID [2020-07-08 16:16:43,159 INFO L280 TraceCheckUtils]: 9: Hoare triple {63839#true} ~p2~0 := #t~nondet1; {63839#true} is VALID [2020-07-08 16:16:43,159 INFO L280 TraceCheckUtils]: 10: Hoare triple {63839#true} havoc #t~nondet1; {63839#true} is VALID [2020-07-08 16:16:43,159 INFO L280 TraceCheckUtils]: 11: Hoare triple {63839#true} havoc ~lk2~0; {63839#true} is VALID [2020-07-08 16:16:43,160 INFO L280 TraceCheckUtils]: 12: Hoare triple {63839#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {63839#true} is VALID [2020-07-08 16:16:43,160 INFO L280 TraceCheckUtils]: 13: Hoare triple {63839#true} ~p3~0 := #t~nondet2; {63839#true} is VALID [2020-07-08 16:16:43,160 INFO L280 TraceCheckUtils]: 14: Hoare triple {63839#true} havoc #t~nondet2; {63839#true} is VALID [2020-07-08 16:16:43,160 INFO L280 TraceCheckUtils]: 15: Hoare triple {63839#true} havoc ~lk3~0; {63839#true} is VALID [2020-07-08 16:16:43,160 INFO L280 TraceCheckUtils]: 16: Hoare triple {63839#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {63839#true} is VALID [2020-07-08 16:16:43,160 INFO L280 TraceCheckUtils]: 17: Hoare triple {63839#true} ~p4~0 := #t~nondet3; {63839#true} is VALID [2020-07-08 16:16:43,161 INFO L280 TraceCheckUtils]: 18: Hoare triple {63839#true} havoc #t~nondet3; {63839#true} is VALID [2020-07-08 16:16:43,161 INFO L280 TraceCheckUtils]: 19: Hoare triple {63839#true} havoc ~lk4~0; {63839#true} is VALID [2020-07-08 16:16:43,161 INFO L280 TraceCheckUtils]: 20: Hoare triple {63839#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {63839#true} is VALID [2020-07-08 16:16:43,161 INFO L280 TraceCheckUtils]: 21: Hoare triple {63839#true} ~p5~0 := #t~nondet4; {63839#true} is VALID [2020-07-08 16:16:43,161 INFO L280 TraceCheckUtils]: 22: Hoare triple {63839#true} havoc #t~nondet4; {63839#true} is VALID [2020-07-08 16:16:43,162 INFO L280 TraceCheckUtils]: 23: Hoare triple {63839#true} havoc ~lk5~0; {63839#true} is VALID [2020-07-08 16:16:43,162 INFO L280 TraceCheckUtils]: 24: Hoare triple {63839#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {63839#true} is VALID [2020-07-08 16:16:43,162 INFO L280 TraceCheckUtils]: 25: Hoare triple {63839#true} ~p6~0 := #t~nondet5; {63839#true} is VALID [2020-07-08 16:16:43,162 INFO L280 TraceCheckUtils]: 26: Hoare triple {63839#true} havoc #t~nondet5; {63839#true} is VALID [2020-07-08 16:16:43,162 INFO L280 TraceCheckUtils]: 27: Hoare triple {63839#true} havoc ~lk6~0; {63839#true} is VALID [2020-07-08 16:16:43,162 INFO L280 TraceCheckUtils]: 28: Hoare triple {63839#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {63839#true} is VALID [2020-07-08 16:16:43,162 INFO L280 TraceCheckUtils]: 29: Hoare triple {63839#true} ~p7~0 := #t~nondet6; {63839#true} is VALID [2020-07-08 16:16:43,163 INFO L280 TraceCheckUtils]: 30: Hoare triple {63839#true} havoc #t~nondet6; {63839#true} is VALID [2020-07-08 16:16:43,163 INFO L280 TraceCheckUtils]: 31: Hoare triple {63839#true} havoc ~lk7~0; {63839#true} is VALID [2020-07-08 16:16:43,163 INFO L280 TraceCheckUtils]: 32: Hoare triple {63839#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {63839#true} is VALID [2020-07-08 16:16:43,163 INFO L280 TraceCheckUtils]: 33: Hoare triple {63839#true} ~p8~0 := #t~nondet7; {63839#true} is VALID [2020-07-08 16:16:43,163 INFO L280 TraceCheckUtils]: 34: Hoare triple {63839#true} havoc #t~nondet7; {63839#true} is VALID [2020-07-08 16:16:43,164 INFO L280 TraceCheckUtils]: 35: Hoare triple {63839#true} havoc ~lk8~0; {63839#true} is VALID [2020-07-08 16:16:43,164 INFO L280 TraceCheckUtils]: 36: Hoare triple {63839#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {63839#true} is VALID [2020-07-08 16:16:43,164 INFO L280 TraceCheckUtils]: 37: Hoare triple {63839#true} ~p9~0 := #t~nondet8; {63839#true} is VALID [2020-07-08 16:16:43,164 INFO L280 TraceCheckUtils]: 38: Hoare triple {63839#true} havoc #t~nondet8; {63839#true} is VALID [2020-07-08 16:16:43,164 INFO L280 TraceCheckUtils]: 39: Hoare triple {63839#true} havoc ~lk9~0; {63839#true} is VALID [2020-07-08 16:16:43,165 INFO L280 TraceCheckUtils]: 40: Hoare triple {63839#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {63839#true} is VALID [2020-07-08 16:16:43,165 INFO L280 TraceCheckUtils]: 41: Hoare triple {63839#true} ~p10~0 := #t~nondet9; {63839#true} is VALID [2020-07-08 16:16:43,165 INFO L280 TraceCheckUtils]: 42: Hoare triple {63839#true} havoc #t~nondet9; {63839#true} is VALID [2020-07-08 16:16:43,165 INFO L280 TraceCheckUtils]: 43: Hoare triple {63839#true} havoc ~lk10~0; {63839#true} is VALID [2020-07-08 16:16:43,165 INFO L280 TraceCheckUtils]: 44: Hoare triple {63839#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {63839#true} is VALID [2020-07-08 16:16:43,165 INFO L280 TraceCheckUtils]: 45: Hoare triple {63839#true} ~p11~0 := #t~nondet10; {63839#true} is VALID [2020-07-08 16:16:43,166 INFO L280 TraceCheckUtils]: 46: Hoare triple {63839#true} havoc #t~nondet10; {63839#true} is VALID [2020-07-08 16:16:43,166 INFO L280 TraceCheckUtils]: 47: Hoare triple {63839#true} havoc ~lk11~0; {63839#true} is VALID [2020-07-08 16:16:43,166 INFO L280 TraceCheckUtils]: 48: Hoare triple {63839#true} havoc ~cond~0; {63839#true} is VALID [2020-07-08 16:16:43,166 INFO L280 TraceCheckUtils]: 49: Hoare triple {63839#true} assume !false; {63839#true} is VALID [2020-07-08 16:16:43,166 INFO L280 TraceCheckUtils]: 50: Hoare triple {63839#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {63839#true} is VALID [2020-07-08 16:16:43,167 INFO L280 TraceCheckUtils]: 51: Hoare triple {63839#true} ~cond~0 := #t~nondet11; {63839#true} is VALID [2020-07-08 16:16:43,167 INFO L280 TraceCheckUtils]: 52: Hoare triple {63839#true} havoc #t~nondet11; {63839#true} is VALID [2020-07-08 16:16:43,167 INFO L280 TraceCheckUtils]: 53: Hoare triple {63839#true} assume !(0 == ~cond~0); {63839#true} is VALID [2020-07-08 16:16:43,167 INFO L280 TraceCheckUtils]: 54: Hoare triple {63839#true} ~lk1~0 := 0; {63839#true} is VALID [2020-07-08 16:16:43,167 INFO L280 TraceCheckUtils]: 55: Hoare triple {63839#true} ~lk2~0 := 0; {63839#true} is VALID [2020-07-08 16:16:43,168 INFO L280 TraceCheckUtils]: 56: Hoare triple {63839#true} ~lk3~0 := 0; {63839#true} is VALID [2020-07-08 16:16:43,168 INFO L280 TraceCheckUtils]: 57: Hoare triple {63839#true} ~lk4~0 := 0; {63839#true} is VALID [2020-07-08 16:16:43,168 INFO L280 TraceCheckUtils]: 58: Hoare triple {63839#true} ~lk5~0 := 0; {63839#true} is VALID [2020-07-08 16:16:43,168 INFO L280 TraceCheckUtils]: 59: Hoare triple {63839#true} ~lk6~0 := 0; {63839#true} is VALID [2020-07-08 16:16:43,168 INFO L280 TraceCheckUtils]: 60: Hoare triple {63839#true} ~lk7~0 := 0; {63839#true} is VALID [2020-07-08 16:16:43,168 INFO L280 TraceCheckUtils]: 61: Hoare triple {63839#true} ~lk8~0 := 0; {63839#true} is VALID [2020-07-08 16:16:43,169 INFO L280 TraceCheckUtils]: 62: Hoare triple {63839#true} ~lk9~0 := 0; {63839#true} is VALID [2020-07-08 16:16:43,169 INFO L280 TraceCheckUtils]: 63: Hoare triple {63839#true} ~lk10~0 := 0; {63839#true} is VALID [2020-07-08 16:16:43,169 INFO L280 TraceCheckUtils]: 64: Hoare triple {63839#true} ~lk11~0 := 0; {63839#true} is VALID [2020-07-08 16:16:43,169 INFO L280 TraceCheckUtils]: 65: Hoare triple {63839#true} assume !(0 != ~p1~0); {63839#true} is VALID [2020-07-08 16:16:43,169 INFO L280 TraceCheckUtils]: 66: Hoare triple {63839#true} assume !(0 != ~p2~0); {63839#true} is VALID [2020-07-08 16:16:43,170 INFO L280 TraceCheckUtils]: 67: Hoare triple {63839#true} assume !(0 != ~p3~0); {63839#true} is VALID [2020-07-08 16:16:43,170 INFO L280 TraceCheckUtils]: 68: Hoare triple {63839#true} assume !(0 != ~p4~0); {63839#true} is VALID [2020-07-08 16:16:43,170 INFO L280 TraceCheckUtils]: 69: Hoare triple {63839#true} assume !(0 != ~p5~0); {63839#true} is VALID [2020-07-08 16:16:43,176 INFO L280 TraceCheckUtils]: 70: Hoare triple {63839#true} assume !(0 != ~p6~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-08 16:16:43,177 INFO L280 TraceCheckUtils]: 71: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p7~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-08 16:16:43,177 INFO L280 TraceCheckUtils]: 72: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p8~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-08 16:16:43,178 INFO L280 TraceCheckUtils]: 73: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p9~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-08 16:16:43,178 INFO L280 TraceCheckUtils]: 74: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p10~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-08 16:16:43,179 INFO L280 TraceCheckUtils]: 75: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p11~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-08 16:16:43,179 INFO L280 TraceCheckUtils]: 76: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p1~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-08 16:16:43,180 INFO L280 TraceCheckUtils]: 77: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p2~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-08 16:16:43,180 INFO L280 TraceCheckUtils]: 78: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p3~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-08 16:16:43,181 INFO L280 TraceCheckUtils]: 79: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p4~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-08 16:16:43,181 INFO L280 TraceCheckUtils]: 80: Hoare triple {63843#(= 0 main_~p6~0)} assume !(0 != ~p5~0); {63843#(= 0 main_~p6~0)} is VALID [2020-07-08 16:16:43,182 INFO L280 TraceCheckUtils]: 81: Hoare triple {63843#(= 0 main_~p6~0)} assume 0 != ~p6~0; {63840#false} is VALID [2020-07-08 16:16:43,182 INFO L280 TraceCheckUtils]: 82: Hoare triple {63840#false} assume 1 != ~lk6~0; {63840#false} is VALID [2020-07-08 16:16:43,182 INFO L280 TraceCheckUtils]: 83: Hoare triple {63840#false} assume !false; {63840#false} is VALID [2020-07-08 16:16:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:16:43,187 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:16:43,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1730284628] [2020-07-08 16:16:43,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:16:43,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:16:43,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109963900] [2020-07-08 16:16:43,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-07-08 16:16:43,188 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:16:43,188 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:16:43,266 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:16:43,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:16:43,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:16:43,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:16:43,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:16:43,267 INFO L87 Difference]: Start difference. First operand 2083 states and 2818 transitions. Second operand 3 states. [2020-07-08 16:16:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:16:56,392 INFO L93 Difference]: Finished difference Result 6055 states and 8228 transitions. [2020-07-08 16:16:56,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:16:56,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-07-08 16:16:56,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:16:56,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:16:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 345 transitions. [2020-07-08 16:16:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:16:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 345 transitions. [2020-07-08 16:16:56,398 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 345 transitions. [2020-07-08 16:16:56,727 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 345 edges. 345 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:16:57,334 INFO L225 Difference]: With dead ends: 6055 [2020-07-08 16:16:57,334 INFO L226 Difference]: Without dead ends: 4021 [2020-07-08 16:16:57,340 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 [2020-07-08 16:16:57,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4021 states. [2020-07-08 16:17:08,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4021 to 4019. [2020-07-08 16:17:08,380 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:17:08,380 INFO L82 GeneralOperation]: Start isEquivalent. First operand 4021 states. Second operand 4019 states. [2020-07-08 16:17:08,380 INFO L74 IsIncluded]: Start isIncluded. First operand 4021 states. Second operand 4019 states. [2020-07-08 16:17:08,381 INFO L87 Difference]: Start difference. First operand 4021 states. Second operand 4019 states. [2020-07-08 16:17:08,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:17:08,880 INFO L93 Difference]: Finished difference Result 4021 states and 5395 transitions. [2020-07-08 16:17:08,880 INFO L276 IsEmpty]: Start isEmpty. Operand 4021 states and 5395 transitions. [2020-07-08 16:17:08,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:17:08,885 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:17:08,885 INFO L74 IsIncluded]: Start isIncluded. First operand 4019 states. Second operand 4021 states. [2020-07-08 16:17:08,885 INFO L87 Difference]: Start difference. First operand 4019 states. Second operand 4021 states. [2020-07-08 16:17:09,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:17:09,404 INFO L93 Difference]: Finished difference Result 4021 states and 5395 transitions. [2020-07-08 16:17:09,404 INFO L276 IsEmpty]: Start isEmpty. Operand 4021 states and 5395 transitions. [2020-07-08 16:17:09,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:17:09,409 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:17:09,409 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:17:09,409 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:17:09,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4019 states. [2020-07-08 16:17:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 5394 transitions. [2020-07-08 16:17:10,066 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 5394 transitions. Word has length 84 [2020-07-08 16:17:10,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:17:10,066 INFO L479 AbstractCegarLoop]: Abstraction has 4019 states and 5394 transitions. [2020-07-08 16:17:10,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:17:10,066 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4019 states and 5394 transitions. [2020-07-08 16:17:17,423 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5394 edges. 5394 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:17:17,423 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 5394 transitions. [2020-07-08 16:17:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-08 16:17:17,426 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:17:17,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:17:17,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-08 16:17:17,427 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:17:17,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:17:17,427 INFO L82 PathProgramCache]: Analyzing trace with hash -322854350, now seen corresponding path program 1 times [2020-07-08 16:17:17,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:17:17,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529183646] [2020-07-08 16:17:17,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:17:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:17:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:17:17,480 INFO L280 TraceCheckUtils]: 0: Hoare triple {92036#true} assume true; {92036#true} is VALID [2020-07-08 16:17:17,480 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {92036#true} {92036#true} #295#return; {92036#true} is VALID [2020-07-08 16:17:17,481 INFO L263 TraceCheckUtils]: 0: Hoare triple {92036#true} call ULTIMATE.init(); {92036#true} is VALID [2020-07-08 16:17:17,481 INFO L280 TraceCheckUtils]: 1: Hoare triple {92036#true} assume true; {92036#true} is VALID [2020-07-08 16:17:17,481 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {92036#true} {92036#true} #295#return; {92036#true} is VALID [2020-07-08 16:17:17,481 INFO L263 TraceCheckUtils]: 3: Hoare triple {92036#true} call #t~ret12 := main(); {92036#true} is VALID [2020-07-08 16:17:17,481 INFO L280 TraceCheckUtils]: 4: Hoare triple {92036#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {92036#true} is VALID [2020-07-08 16:17:17,481 INFO L280 TraceCheckUtils]: 5: Hoare triple {92036#true} ~p1~0 := #t~nondet0; {92036#true} is VALID [2020-07-08 16:17:17,482 INFO L280 TraceCheckUtils]: 6: Hoare triple {92036#true} havoc #t~nondet0; {92036#true} is VALID [2020-07-08 16:17:17,482 INFO L280 TraceCheckUtils]: 7: Hoare triple {92036#true} havoc ~lk1~0; {92036#true} is VALID [2020-07-08 16:17:17,482 INFO L280 TraceCheckUtils]: 8: Hoare triple {92036#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {92036#true} is VALID [2020-07-08 16:17:17,482 INFO L280 TraceCheckUtils]: 9: Hoare triple {92036#true} ~p2~0 := #t~nondet1; {92036#true} is VALID [2020-07-08 16:17:17,482 INFO L280 TraceCheckUtils]: 10: Hoare triple {92036#true} havoc #t~nondet1; {92036#true} is VALID [2020-07-08 16:17:17,483 INFO L280 TraceCheckUtils]: 11: Hoare triple {92036#true} havoc ~lk2~0; {92036#true} is VALID [2020-07-08 16:17:17,483 INFO L280 TraceCheckUtils]: 12: Hoare triple {92036#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {92036#true} is VALID [2020-07-08 16:17:17,483 INFO L280 TraceCheckUtils]: 13: Hoare triple {92036#true} ~p3~0 := #t~nondet2; {92036#true} is VALID [2020-07-08 16:17:17,483 INFO L280 TraceCheckUtils]: 14: Hoare triple {92036#true} havoc #t~nondet2; {92036#true} is VALID [2020-07-08 16:17:17,483 INFO L280 TraceCheckUtils]: 15: Hoare triple {92036#true} havoc ~lk3~0; {92036#true} is VALID [2020-07-08 16:17:17,483 INFO L280 TraceCheckUtils]: 16: Hoare triple {92036#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {92036#true} is VALID [2020-07-08 16:17:17,484 INFO L280 TraceCheckUtils]: 17: Hoare triple {92036#true} ~p4~0 := #t~nondet3; {92036#true} is VALID [2020-07-08 16:17:17,484 INFO L280 TraceCheckUtils]: 18: Hoare triple {92036#true} havoc #t~nondet3; {92036#true} is VALID [2020-07-08 16:17:17,484 INFO L280 TraceCheckUtils]: 19: Hoare triple {92036#true} havoc ~lk4~0; {92036#true} is VALID [2020-07-08 16:17:17,484 INFO L280 TraceCheckUtils]: 20: Hoare triple {92036#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {92036#true} is VALID [2020-07-08 16:17:17,484 INFO L280 TraceCheckUtils]: 21: Hoare triple {92036#true} ~p5~0 := #t~nondet4; {92036#true} is VALID [2020-07-08 16:17:17,485 INFO L280 TraceCheckUtils]: 22: Hoare triple {92036#true} havoc #t~nondet4; {92036#true} is VALID [2020-07-08 16:17:17,485 INFO L280 TraceCheckUtils]: 23: Hoare triple {92036#true} havoc ~lk5~0; {92036#true} is VALID [2020-07-08 16:17:17,485 INFO L280 TraceCheckUtils]: 24: Hoare triple {92036#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {92036#true} is VALID [2020-07-08 16:17:17,485 INFO L280 TraceCheckUtils]: 25: Hoare triple {92036#true} ~p6~0 := #t~nondet5; {92036#true} is VALID [2020-07-08 16:17:17,485 INFO L280 TraceCheckUtils]: 26: Hoare triple {92036#true} havoc #t~nondet5; {92036#true} is VALID [2020-07-08 16:17:17,486 INFO L280 TraceCheckUtils]: 27: Hoare triple {92036#true} havoc ~lk6~0; {92036#true} is VALID [2020-07-08 16:17:17,486 INFO L280 TraceCheckUtils]: 28: Hoare triple {92036#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {92036#true} is VALID [2020-07-08 16:17:17,486 INFO L280 TraceCheckUtils]: 29: Hoare triple {92036#true} ~p7~0 := #t~nondet6; {92036#true} is VALID [2020-07-08 16:17:17,486 INFO L280 TraceCheckUtils]: 30: Hoare triple {92036#true} havoc #t~nondet6; {92036#true} is VALID [2020-07-08 16:17:17,486 INFO L280 TraceCheckUtils]: 31: Hoare triple {92036#true} havoc ~lk7~0; {92036#true} is VALID [2020-07-08 16:17:17,486 INFO L280 TraceCheckUtils]: 32: Hoare triple {92036#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {92036#true} is VALID [2020-07-08 16:17:17,487 INFO L280 TraceCheckUtils]: 33: Hoare triple {92036#true} ~p8~0 := #t~nondet7; {92036#true} is VALID [2020-07-08 16:17:17,487 INFO L280 TraceCheckUtils]: 34: Hoare triple {92036#true} havoc #t~nondet7; {92036#true} is VALID [2020-07-08 16:17:17,487 INFO L280 TraceCheckUtils]: 35: Hoare triple {92036#true} havoc ~lk8~0; {92036#true} is VALID [2020-07-08 16:17:17,487 INFO L280 TraceCheckUtils]: 36: Hoare triple {92036#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {92036#true} is VALID [2020-07-08 16:17:17,487 INFO L280 TraceCheckUtils]: 37: Hoare triple {92036#true} ~p9~0 := #t~nondet8; {92036#true} is VALID [2020-07-08 16:17:17,487 INFO L280 TraceCheckUtils]: 38: Hoare triple {92036#true} havoc #t~nondet8; {92036#true} is VALID [2020-07-08 16:17:17,488 INFO L280 TraceCheckUtils]: 39: Hoare triple {92036#true} havoc ~lk9~0; {92036#true} is VALID [2020-07-08 16:17:17,488 INFO L280 TraceCheckUtils]: 40: Hoare triple {92036#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {92036#true} is VALID [2020-07-08 16:17:17,488 INFO L280 TraceCheckUtils]: 41: Hoare triple {92036#true} ~p10~0 := #t~nondet9; {92036#true} is VALID [2020-07-08 16:17:17,488 INFO L280 TraceCheckUtils]: 42: Hoare triple {92036#true} havoc #t~nondet9; {92036#true} is VALID [2020-07-08 16:17:17,488 INFO L280 TraceCheckUtils]: 43: Hoare triple {92036#true} havoc ~lk10~0; {92036#true} is VALID [2020-07-08 16:17:17,489 INFO L280 TraceCheckUtils]: 44: Hoare triple {92036#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {92036#true} is VALID [2020-07-08 16:17:17,489 INFO L280 TraceCheckUtils]: 45: Hoare triple {92036#true} ~p11~0 := #t~nondet10; {92036#true} is VALID [2020-07-08 16:17:17,489 INFO L280 TraceCheckUtils]: 46: Hoare triple {92036#true} havoc #t~nondet10; {92036#true} is VALID [2020-07-08 16:17:17,489 INFO L280 TraceCheckUtils]: 47: Hoare triple {92036#true} havoc ~lk11~0; {92036#true} is VALID [2020-07-08 16:17:17,489 INFO L280 TraceCheckUtils]: 48: Hoare triple {92036#true} havoc ~cond~0; {92036#true} is VALID [2020-07-08 16:17:17,490 INFO L280 TraceCheckUtils]: 49: Hoare triple {92036#true} assume !false; {92036#true} is VALID [2020-07-08 16:17:17,490 INFO L280 TraceCheckUtils]: 50: Hoare triple {92036#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {92036#true} is VALID [2020-07-08 16:17:17,490 INFO L280 TraceCheckUtils]: 51: Hoare triple {92036#true} ~cond~0 := #t~nondet11; {92036#true} is VALID [2020-07-08 16:17:17,490 INFO L280 TraceCheckUtils]: 52: Hoare triple {92036#true} havoc #t~nondet11; {92036#true} is VALID [2020-07-08 16:17:17,490 INFO L280 TraceCheckUtils]: 53: Hoare triple {92036#true} assume !(0 == ~cond~0); {92036#true} is VALID [2020-07-08 16:17:17,490 INFO L280 TraceCheckUtils]: 54: Hoare triple {92036#true} ~lk1~0 := 0; {92036#true} is VALID [2020-07-08 16:17:17,491 INFO L280 TraceCheckUtils]: 55: Hoare triple {92036#true} ~lk2~0 := 0; {92036#true} is VALID [2020-07-08 16:17:17,491 INFO L280 TraceCheckUtils]: 56: Hoare triple {92036#true} ~lk3~0 := 0; {92036#true} is VALID [2020-07-08 16:17:17,491 INFO L280 TraceCheckUtils]: 57: Hoare triple {92036#true} ~lk4~0 := 0; {92036#true} is VALID [2020-07-08 16:17:17,491 INFO L280 TraceCheckUtils]: 58: Hoare triple {92036#true} ~lk5~0 := 0; {92036#true} is VALID [2020-07-08 16:17:17,491 INFO L280 TraceCheckUtils]: 59: Hoare triple {92036#true} ~lk6~0 := 0; {92036#true} is VALID [2020-07-08 16:17:17,492 INFO L280 TraceCheckUtils]: 60: Hoare triple {92036#true} ~lk7~0 := 0; {92036#true} is VALID [2020-07-08 16:17:17,492 INFO L280 TraceCheckUtils]: 61: Hoare triple {92036#true} ~lk8~0 := 0; {92036#true} is VALID [2020-07-08 16:17:17,492 INFO L280 TraceCheckUtils]: 62: Hoare triple {92036#true} ~lk9~0 := 0; {92036#true} is VALID [2020-07-08 16:17:17,492 INFO L280 TraceCheckUtils]: 63: Hoare triple {92036#true} ~lk10~0 := 0; {92036#true} is VALID [2020-07-08 16:17:17,492 INFO L280 TraceCheckUtils]: 64: Hoare triple {92036#true} ~lk11~0 := 0; {92036#true} is VALID [2020-07-08 16:17:17,493 INFO L280 TraceCheckUtils]: 65: Hoare triple {92036#true} assume !(0 != ~p1~0); {92036#true} is VALID [2020-07-08 16:17:17,493 INFO L280 TraceCheckUtils]: 66: Hoare triple {92036#true} assume !(0 != ~p2~0); {92036#true} is VALID [2020-07-08 16:17:17,493 INFO L280 TraceCheckUtils]: 67: Hoare triple {92036#true} assume !(0 != ~p3~0); {92036#true} is VALID [2020-07-08 16:17:17,493 INFO L280 TraceCheckUtils]: 68: Hoare triple {92036#true} assume !(0 != ~p4~0); {92036#true} is VALID [2020-07-08 16:17:17,493 INFO L280 TraceCheckUtils]: 69: Hoare triple {92036#true} assume !(0 != ~p5~0); {92036#true} is VALID [2020-07-08 16:17:17,494 INFO L280 TraceCheckUtils]: 70: Hoare triple {92036#true} assume 0 != ~p6~0; {92036#true} is VALID [2020-07-08 16:17:17,499 INFO L280 TraceCheckUtils]: 71: Hoare triple {92036#true} ~lk6~0 := 1; {92040#(= 1 main_~lk6~0)} is VALID [2020-07-08 16:17:17,499 INFO L280 TraceCheckUtils]: 72: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p7~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-08 16:17:17,500 INFO L280 TraceCheckUtils]: 73: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p8~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-08 16:17:17,500 INFO L280 TraceCheckUtils]: 74: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p9~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-08 16:17:17,501 INFO L280 TraceCheckUtils]: 75: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p10~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-08 16:17:17,501 INFO L280 TraceCheckUtils]: 76: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p11~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-08 16:17:17,502 INFO L280 TraceCheckUtils]: 77: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p1~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-08 16:17:17,502 INFO L280 TraceCheckUtils]: 78: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p2~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-08 16:17:17,503 INFO L280 TraceCheckUtils]: 79: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p3~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-08 16:17:17,503 INFO L280 TraceCheckUtils]: 80: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p4~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-08 16:17:17,504 INFO L280 TraceCheckUtils]: 81: Hoare triple {92040#(= 1 main_~lk6~0)} assume !(0 != ~p5~0); {92040#(= 1 main_~lk6~0)} is VALID [2020-07-08 16:17:17,504 INFO L280 TraceCheckUtils]: 82: Hoare triple {92040#(= 1 main_~lk6~0)} assume 0 != ~p6~0; {92040#(= 1 main_~lk6~0)} is VALID [2020-07-08 16:17:17,505 INFO L280 TraceCheckUtils]: 83: Hoare triple {92040#(= 1 main_~lk6~0)} assume 1 != ~lk6~0; {92037#false} is VALID [2020-07-08 16:17:17,505 INFO L280 TraceCheckUtils]: 84: Hoare triple {92037#false} assume !false; {92037#false} is VALID [2020-07-08 16:17:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:17:17,509 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:17:17,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529183646] [2020-07-08 16:17:17,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:17:17,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:17:17,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060057578] [2020-07-08 16:17:17,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-07-08 16:17:17,511 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:17:17,511 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:17:17,584 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:17:17,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:17:17,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:17:17,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:17:17,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:17:17,585 INFO L87 Difference]: Start difference. First operand 4019 states and 5394 transitions. Second operand 3 states. [2020-07-08 16:17:32,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:17:32,896 INFO L93 Difference]: Finished difference Result 4855 states and 6548 transitions. [2020-07-08 16:17:32,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:17:32,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-07-08 16:17:32,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:17:32,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:17:32,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2020-07-08 16:17:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:17:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2020-07-08 16:17:32,899 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 223 transitions. [2020-07-08 16:17:33,118 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 223 edges. 223 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:17:34,069 INFO L225 Difference]: With dead ends: 4855 [2020-07-08 16:17:34,069 INFO L226 Difference]: Without dead ends: 4853 [2020-07-08 16:17:34,071 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 [2020-07-08 16:17:34,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4853 states. [2020-07-08 16:17:45,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4853 to 4019. [2020-07-08 16:17:45,991 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:17:45,991 INFO L82 GeneralOperation]: Start isEquivalent. First operand 4853 states. Second operand 4019 states. [2020-07-08 16:17:45,991 INFO L74 IsIncluded]: Start isIncluded. First operand 4853 states. Second operand 4019 states. [2020-07-08 16:17:45,991 INFO L87 Difference]: Start difference. First operand 4853 states. Second operand 4019 states. [2020-07-08 16:17:46,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:17:46,720 INFO L93 Difference]: Finished difference Result 4853 states and 6515 transitions. [2020-07-08 16:17:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 6515 transitions. [2020-07-08 16:17:46,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:17:46,727 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:17:46,727 INFO L74 IsIncluded]: Start isIncluded. First operand 4019 states. Second operand 4853 states. [2020-07-08 16:17:46,728 INFO L87 Difference]: Start difference. First operand 4019 states. Second operand 4853 states. [2020-07-08 16:17:47,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:17:47,485 INFO L93 Difference]: Finished difference Result 4853 states and 6515 transitions. [2020-07-08 16:17:47,485 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 6515 transitions. [2020-07-08 16:17:47,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:17:47,490 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:17:47,490 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:17:47,490 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:17:47,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4019 states. [2020-07-08 16:17:48,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 5362 transitions. [2020-07-08 16:17:48,100 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 5362 transitions. Word has length 85 [2020-07-08 16:17:48,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:17:48,100 INFO L479 AbstractCegarLoop]: Abstraction has 4019 states and 5362 transitions. [2020-07-08 16:17:48,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:17:48,100 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4019 states and 5362 transitions. [2020-07-08 16:17:55,654 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5362 edges. 5362 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:17:55,655 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 5362 transitions. [2020-07-08 16:17:55,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-08 16:17:55,658 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:17:55,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:17:55,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-08 16:17:55,658 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:17:55,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:17:55,658 INFO L82 PathProgramCache]: Analyzing trace with hash -930439220, now seen corresponding path program 1 times [2020-07-08 16:17:55,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:17:55,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092227590] [2020-07-08 16:17:55,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:17:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:17:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:17:55,692 INFO L280 TraceCheckUtils]: 0: Hoare triple {119497#true} assume true; {119497#true} is VALID [2020-07-08 16:17:55,693 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {119497#true} {119497#true} #295#return; {119497#true} is VALID [2020-07-08 16:17:55,693 INFO L263 TraceCheckUtils]: 0: Hoare triple {119497#true} call ULTIMATE.init(); {119497#true} is VALID [2020-07-08 16:17:55,693 INFO L280 TraceCheckUtils]: 1: Hoare triple {119497#true} assume true; {119497#true} is VALID [2020-07-08 16:17:55,693 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {119497#true} {119497#true} #295#return; {119497#true} is VALID [2020-07-08 16:17:55,693 INFO L263 TraceCheckUtils]: 3: Hoare triple {119497#true} call #t~ret12 := main(); {119497#true} is VALID [2020-07-08 16:17:55,694 INFO L280 TraceCheckUtils]: 4: Hoare triple {119497#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {119497#true} is VALID [2020-07-08 16:17:55,694 INFO L280 TraceCheckUtils]: 5: Hoare triple {119497#true} ~p1~0 := #t~nondet0; {119497#true} is VALID [2020-07-08 16:17:55,694 INFO L280 TraceCheckUtils]: 6: Hoare triple {119497#true} havoc #t~nondet0; {119497#true} is VALID [2020-07-08 16:17:55,694 INFO L280 TraceCheckUtils]: 7: Hoare triple {119497#true} havoc ~lk1~0; {119497#true} is VALID [2020-07-08 16:17:55,694 INFO L280 TraceCheckUtils]: 8: Hoare triple {119497#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {119497#true} is VALID [2020-07-08 16:17:55,695 INFO L280 TraceCheckUtils]: 9: Hoare triple {119497#true} ~p2~0 := #t~nondet1; {119497#true} is VALID [2020-07-08 16:17:55,695 INFO L280 TraceCheckUtils]: 10: Hoare triple {119497#true} havoc #t~nondet1; {119497#true} is VALID [2020-07-08 16:17:55,695 INFO L280 TraceCheckUtils]: 11: Hoare triple {119497#true} havoc ~lk2~0; {119497#true} is VALID [2020-07-08 16:17:55,696 INFO L280 TraceCheckUtils]: 12: Hoare triple {119497#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {119497#true} is VALID [2020-07-08 16:17:55,696 INFO L280 TraceCheckUtils]: 13: Hoare triple {119497#true} ~p3~0 := #t~nondet2; {119497#true} is VALID [2020-07-08 16:17:55,696 INFO L280 TraceCheckUtils]: 14: Hoare triple {119497#true} havoc #t~nondet2; {119497#true} is VALID [2020-07-08 16:17:55,696 INFO L280 TraceCheckUtils]: 15: Hoare triple {119497#true} havoc ~lk3~0; {119497#true} is VALID [2020-07-08 16:17:55,697 INFO L280 TraceCheckUtils]: 16: Hoare triple {119497#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {119497#true} is VALID [2020-07-08 16:17:55,697 INFO L280 TraceCheckUtils]: 17: Hoare triple {119497#true} ~p4~0 := #t~nondet3; {119497#true} is VALID [2020-07-08 16:17:55,697 INFO L280 TraceCheckUtils]: 18: Hoare triple {119497#true} havoc #t~nondet3; {119497#true} is VALID [2020-07-08 16:17:55,697 INFO L280 TraceCheckUtils]: 19: Hoare triple {119497#true} havoc ~lk4~0; {119497#true} is VALID [2020-07-08 16:17:55,697 INFO L280 TraceCheckUtils]: 20: Hoare triple {119497#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {119497#true} is VALID [2020-07-08 16:17:55,697 INFO L280 TraceCheckUtils]: 21: Hoare triple {119497#true} ~p5~0 := #t~nondet4; {119497#true} is VALID [2020-07-08 16:17:55,698 INFO L280 TraceCheckUtils]: 22: Hoare triple {119497#true} havoc #t~nondet4; {119497#true} is VALID [2020-07-08 16:17:55,698 INFO L280 TraceCheckUtils]: 23: Hoare triple {119497#true} havoc ~lk5~0; {119497#true} is VALID [2020-07-08 16:17:55,698 INFO L280 TraceCheckUtils]: 24: Hoare triple {119497#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {119497#true} is VALID [2020-07-08 16:17:55,698 INFO L280 TraceCheckUtils]: 25: Hoare triple {119497#true} ~p6~0 := #t~nondet5; {119497#true} is VALID [2020-07-08 16:17:55,698 INFO L280 TraceCheckUtils]: 26: Hoare triple {119497#true} havoc #t~nondet5; {119497#true} is VALID [2020-07-08 16:17:55,699 INFO L280 TraceCheckUtils]: 27: Hoare triple {119497#true} havoc ~lk6~0; {119497#true} is VALID [2020-07-08 16:17:55,699 INFO L280 TraceCheckUtils]: 28: Hoare triple {119497#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {119497#true} is VALID [2020-07-08 16:17:55,699 INFO L280 TraceCheckUtils]: 29: Hoare triple {119497#true} ~p7~0 := #t~nondet6; {119497#true} is VALID [2020-07-08 16:17:55,699 INFO L280 TraceCheckUtils]: 30: Hoare triple {119497#true} havoc #t~nondet6; {119497#true} is VALID [2020-07-08 16:17:55,699 INFO L280 TraceCheckUtils]: 31: Hoare triple {119497#true} havoc ~lk7~0; {119497#true} is VALID [2020-07-08 16:17:55,699 INFO L280 TraceCheckUtils]: 32: Hoare triple {119497#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {119497#true} is VALID [2020-07-08 16:17:55,700 INFO L280 TraceCheckUtils]: 33: Hoare triple {119497#true} ~p8~0 := #t~nondet7; {119497#true} is VALID [2020-07-08 16:17:55,700 INFO L280 TraceCheckUtils]: 34: Hoare triple {119497#true} havoc #t~nondet7; {119497#true} is VALID [2020-07-08 16:17:55,700 INFO L280 TraceCheckUtils]: 35: Hoare triple {119497#true} havoc ~lk8~0; {119497#true} is VALID [2020-07-08 16:17:55,700 INFO L280 TraceCheckUtils]: 36: Hoare triple {119497#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {119497#true} is VALID [2020-07-08 16:17:55,700 INFO L280 TraceCheckUtils]: 37: Hoare triple {119497#true} ~p9~0 := #t~nondet8; {119497#true} is VALID [2020-07-08 16:17:55,701 INFO L280 TraceCheckUtils]: 38: Hoare triple {119497#true} havoc #t~nondet8; {119497#true} is VALID [2020-07-08 16:17:55,701 INFO L280 TraceCheckUtils]: 39: Hoare triple {119497#true} havoc ~lk9~0; {119497#true} is VALID [2020-07-08 16:17:55,701 INFO L280 TraceCheckUtils]: 40: Hoare triple {119497#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {119497#true} is VALID [2020-07-08 16:17:55,701 INFO L280 TraceCheckUtils]: 41: Hoare triple {119497#true} ~p10~0 := #t~nondet9; {119497#true} is VALID [2020-07-08 16:17:55,701 INFO L280 TraceCheckUtils]: 42: Hoare triple {119497#true} havoc #t~nondet9; {119497#true} is VALID [2020-07-08 16:17:55,702 INFO L280 TraceCheckUtils]: 43: Hoare triple {119497#true} havoc ~lk10~0; {119497#true} is VALID [2020-07-08 16:17:55,702 INFO L280 TraceCheckUtils]: 44: Hoare triple {119497#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {119497#true} is VALID [2020-07-08 16:17:55,702 INFO L280 TraceCheckUtils]: 45: Hoare triple {119497#true} ~p11~0 := #t~nondet10; {119497#true} is VALID [2020-07-08 16:17:55,702 INFO L280 TraceCheckUtils]: 46: Hoare triple {119497#true} havoc #t~nondet10; {119497#true} is VALID [2020-07-08 16:17:55,702 INFO L280 TraceCheckUtils]: 47: Hoare triple {119497#true} havoc ~lk11~0; {119497#true} is VALID [2020-07-08 16:17:55,703 INFO L280 TraceCheckUtils]: 48: Hoare triple {119497#true} havoc ~cond~0; {119497#true} is VALID [2020-07-08 16:17:55,703 INFO L280 TraceCheckUtils]: 49: Hoare triple {119497#true} assume !false; {119497#true} is VALID [2020-07-08 16:17:55,703 INFO L280 TraceCheckUtils]: 50: Hoare triple {119497#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {119497#true} is VALID [2020-07-08 16:17:55,703 INFO L280 TraceCheckUtils]: 51: Hoare triple {119497#true} ~cond~0 := #t~nondet11; {119497#true} is VALID [2020-07-08 16:17:55,703 INFO L280 TraceCheckUtils]: 52: Hoare triple {119497#true} havoc #t~nondet11; {119497#true} is VALID [2020-07-08 16:17:55,703 INFO L280 TraceCheckUtils]: 53: Hoare triple {119497#true} assume !(0 == ~cond~0); {119497#true} is VALID [2020-07-08 16:17:55,704 INFO L280 TraceCheckUtils]: 54: Hoare triple {119497#true} ~lk1~0 := 0; {119497#true} is VALID [2020-07-08 16:17:55,704 INFO L280 TraceCheckUtils]: 55: Hoare triple {119497#true} ~lk2~0 := 0; {119497#true} is VALID [2020-07-08 16:17:55,704 INFO L280 TraceCheckUtils]: 56: Hoare triple {119497#true} ~lk3~0 := 0; {119497#true} is VALID [2020-07-08 16:17:55,704 INFO L280 TraceCheckUtils]: 57: Hoare triple {119497#true} ~lk4~0 := 0; {119497#true} is VALID [2020-07-08 16:17:55,704 INFO L280 TraceCheckUtils]: 58: Hoare triple {119497#true} ~lk5~0 := 0; {119497#true} is VALID [2020-07-08 16:17:55,705 INFO L280 TraceCheckUtils]: 59: Hoare triple {119497#true} ~lk6~0 := 0; {119497#true} is VALID [2020-07-08 16:17:55,705 INFO L280 TraceCheckUtils]: 60: Hoare triple {119497#true} ~lk7~0 := 0; {119497#true} is VALID [2020-07-08 16:17:55,705 INFO L280 TraceCheckUtils]: 61: Hoare triple {119497#true} ~lk8~0 := 0; {119497#true} is VALID [2020-07-08 16:17:55,705 INFO L280 TraceCheckUtils]: 62: Hoare triple {119497#true} ~lk9~0 := 0; {119497#true} is VALID [2020-07-08 16:17:55,705 INFO L280 TraceCheckUtils]: 63: Hoare triple {119497#true} ~lk10~0 := 0; {119497#true} is VALID [2020-07-08 16:17:55,706 INFO L280 TraceCheckUtils]: 64: Hoare triple {119497#true} ~lk11~0 := 0; {119497#true} is VALID [2020-07-08 16:17:55,706 INFO L280 TraceCheckUtils]: 65: Hoare triple {119497#true} assume !(0 != ~p1~0); {119497#true} is VALID [2020-07-08 16:17:55,706 INFO L280 TraceCheckUtils]: 66: Hoare triple {119497#true} assume !(0 != ~p2~0); {119497#true} is VALID [2020-07-08 16:17:55,706 INFO L280 TraceCheckUtils]: 67: Hoare triple {119497#true} assume !(0 != ~p3~0); {119497#true} is VALID [2020-07-08 16:17:55,706 INFO L280 TraceCheckUtils]: 68: Hoare triple {119497#true} assume !(0 != ~p4~0); {119497#true} is VALID [2020-07-08 16:17:55,707 INFO L280 TraceCheckUtils]: 69: Hoare triple {119497#true} assume !(0 != ~p5~0); {119497#true} is VALID [2020-07-08 16:17:55,707 INFO L280 TraceCheckUtils]: 70: Hoare triple {119497#true} assume !(0 != ~p6~0); {119497#true} is VALID [2020-07-08 16:17:55,708 INFO L280 TraceCheckUtils]: 71: Hoare triple {119497#true} assume !(0 != ~p7~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-08 16:17:55,709 INFO L280 TraceCheckUtils]: 72: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p8~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-08 16:17:55,709 INFO L280 TraceCheckUtils]: 73: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p9~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-08 16:17:55,710 INFO L280 TraceCheckUtils]: 74: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p10~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-08 16:17:55,710 INFO L280 TraceCheckUtils]: 75: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p11~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-08 16:17:55,711 INFO L280 TraceCheckUtils]: 76: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p1~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-08 16:17:55,711 INFO L280 TraceCheckUtils]: 77: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p2~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-08 16:17:55,712 INFO L280 TraceCheckUtils]: 78: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p3~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-08 16:17:55,712 INFO L280 TraceCheckUtils]: 79: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p4~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-08 16:17:55,713 INFO L280 TraceCheckUtils]: 80: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p5~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-08 16:17:55,714 INFO L280 TraceCheckUtils]: 81: Hoare triple {119501#(= 0 main_~p7~0)} assume !(0 != ~p6~0); {119501#(= 0 main_~p7~0)} is VALID [2020-07-08 16:17:55,714 INFO L280 TraceCheckUtils]: 82: Hoare triple {119501#(= 0 main_~p7~0)} assume 0 != ~p7~0; {119498#false} is VALID [2020-07-08 16:17:55,714 INFO L280 TraceCheckUtils]: 83: Hoare triple {119498#false} assume 1 != ~lk7~0; {119498#false} is VALID [2020-07-08 16:17:55,715 INFO L280 TraceCheckUtils]: 84: Hoare triple {119498#false} assume !false; {119498#false} is VALID [2020-07-08 16:17:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:17:55,720 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:17:55,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092227590] [2020-07-08 16:17:55,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:17:55,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:17:55,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005830518] [2020-07-08 16:17:55,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-07-08 16:17:55,722 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:17:55,722 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:17:55,805 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:17:55,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:17:55,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:17:55,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:17:55,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:17:55,806 INFO L87 Difference]: Start difference. First operand 4019 states and 5362 transitions. Second operand 3 states. [2020-07-08 16:18:28,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:18:28,021 INFO L93 Difference]: Finished difference Result 11767 states and 15732 transitions. [2020-07-08 16:18:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:18:28,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-07-08 16:18:28,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:18:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:18:28,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 342 transitions. [2020-07-08 16:18:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:18:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 342 transitions. [2020-07-08 16:18:28,026 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 342 transitions. [2020-07-08 16:18:28,353 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 342 edges. 342 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:18:30,648 INFO L225 Difference]: With dead ends: 11767 [2020-07-08 16:18:30,649 INFO L226 Difference]: Without dead ends: 7797 [2020-07-08 16:18:30,659 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 [2020-07-08 16:18:30,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7797 states. [2020-07-08 16:18:56,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7797 to 7795. [2020-07-08 16:18:56,625 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:18:56,625 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7797 states. Second operand 7795 states. [2020-07-08 16:18:56,625 INFO L74 IsIncluded]: Start isIncluded. First operand 7797 states. Second operand 7795 states. [2020-07-08 16:18:56,625 INFO L87 Difference]: Start difference. First operand 7797 states. Second operand 7795 states. [2020-07-08 16:18:58,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:18:58,689 INFO L93 Difference]: Finished difference Result 7797 states and 10291 transitions. [2020-07-08 16:18:58,689 INFO L276 IsEmpty]: Start isEmpty. Operand 7797 states and 10291 transitions. [2020-07-08 16:18:58,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:18:58,698 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:18:58,698 INFO L74 IsIncluded]: Start isIncluded. First operand 7795 states. Second operand 7797 states. [2020-07-08 16:18:58,698 INFO L87 Difference]: Start difference. First operand 7795 states. Second operand 7797 states. [2020-07-08 16:19:00,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:19:00,750 INFO L93 Difference]: Finished difference Result 7797 states and 10291 transitions. [2020-07-08 16:19:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 7797 states and 10291 transitions. [2020-07-08 16:19:00,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:19:00,759 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:19:00,759 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:19:00,759 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:19:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7795 states. [2020-07-08 16:19:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7795 states to 7795 states and 10290 transitions. [2020-07-08 16:19:03,032 INFO L78 Accepts]: Start accepts. Automaton has 7795 states and 10290 transitions. Word has length 85 [2020-07-08 16:19:03,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:19:03,033 INFO L479 AbstractCegarLoop]: Abstraction has 7795 states and 10290 transitions. [2020-07-08 16:19:03,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:19:03,033 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7795 states and 10290 transitions. [2020-07-08 16:19:17,805 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10290 edges. 10290 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:19:17,805 INFO L276 IsEmpty]: Start isEmpty. Operand 7795 states and 10290 transitions. [2020-07-08 16:19:17,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-07-08 16:19:17,810 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:19:17,810 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:19:17,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-08 16:19:17,811 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:19:17,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:19:17,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1483413839, now seen corresponding path program 1 times [2020-07-08 16:19:17,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:19:17,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003266684] [2020-07-08 16:19:17,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:19:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:19:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:19:17,859 INFO L280 TraceCheckUtils]: 0: Hoare triple {174222#true} assume true; {174222#true} is VALID [2020-07-08 16:19:17,859 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {174222#true} {174222#true} #295#return; {174222#true} is VALID [2020-07-08 16:19:17,860 INFO L263 TraceCheckUtils]: 0: Hoare triple {174222#true} call ULTIMATE.init(); {174222#true} is VALID [2020-07-08 16:19:17,860 INFO L280 TraceCheckUtils]: 1: Hoare triple {174222#true} assume true; {174222#true} is VALID [2020-07-08 16:19:17,860 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {174222#true} {174222#true} #295#return; {174222#true} is VALID [2020-07-08 16:19:17,860 INFO L263 TraceCheckUtils]: 3: Hoare triple {174222#true} call #t~ret12 := main(); {174222#true} is VALID [2020-07-08 16:19:17,861 INFO L280 TraceCheckUtils]: 4: Hoare triple {174222#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {174222#true} is VALID [2020-07-08 16:19:17,861 INFO L280 TraceCheckUtils]: 5: Hoare triple {174222#true} ~p1~0 := #t~nondet0; {174222#true} is VALID [2020-07-08 16:19:17,861 INFO L280 TraceCheckUtils]: 6: Hoare triple {174222#true} havoc #t~nondet0; {174222#true} is VALID [2020-07-08 16:19:17,863 INFO L280 TraceCheckUtils]: 7: Hoare triple {174222#true} havoc ~lk1~0; {174222#true} is VALID [2020-07-08 16:19:17,863 INFO L280 TraceCheckUtils]: 8: Hoare triple {174222#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {174222#true} is VALID [2020-07-08 16:19:17,863 INFO L280 TraceCheckUtils]: 9: Hoare triple {174222#true} ~p2~0 := #t~nondet1; {174222#true} is VALID [2020-07-08 16:19:17,863 INFO L280 TraceCheckUtils]: 10: Hoare triple {174222#true} havoc #t~nondet1; {174222#true} is VALID [2020-07-08 16:19:17,863 INFO L280 TraceCheckUtils]: 11: Hoare triple {174222#true} havoc ~lk2~0; {174222#true} is VALID [2020-07-08 16:19:17,864 INFO L280 TraceCheckUtils]: 12: Hoare triple {174222#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {174222#true} is VALID [2020-07-08 16:19:17,864 INFO L280 TraceCheckUtils]: 13: Hoare triple {174222#true} ~p3~0 := #t~nondet2; {174222#true} is VALID [2020-07-08 16:19:17,864 INFO L280 TraceCheckUtils]: 14: Hoare triple {174222#true} havoc #t~nondet2; {174222#true} is VALID [2020-07-08 16:19:17,864 INFO L280 TraceCheckUtils]: 15: Hoare triple {174222#true} havoc ~lk3~0; {174222#true} is VALID [2020-07-08 16:19:17,864 INFO L280 TraceCheckUtils]: 16: Hoare triple {174222#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {174222#true} is VALID [2020-07-08 16:19:17,865 INFO L280 TraceCheckUtils]: 17: Hoare triple {174222#true} ~p4~0 := #t~nondet3; {174222#true} is VALID [2020-07-08 16:19:17,865 INFO L280 TraceCheckUtils]: 18: Hoare triple {174222#true} havoc #t~nondet3; {174222#true} is VALID [2020-07-08 16:19:17,865 INFO L280 TraceCheckUtils]: 19: Hoare triple {174222#true} havoc ~lk4~0; {174222#true} is VALID [2020-07-08 16:19:17,865 INFO L280 TraceCheckUtils]: 20: Hoare triple {174222#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {174222#true} is VALID [2020-07-08 16:19:17,865 INFO L280 TraceCheckUtils]: 21: Hoare triple {174222#true} ~p5~0 := #t~nondet4; {174222#true} is VALID [2020-07-08 16:19:17,866 INFO L280 TraceCheckUtils]: 22: Hoare triple {174222#true} havoc #t~nondet4; {174222#true} is VALID [2020-07-08 16:19:17,866 INFO L280 TraceCheckUtils]: 23: Hoare triple {174222#true} havoc ~lk5~0; {174222#true} is VALID [2020-07-08 16:19:17,866 INFO L280 TraceCheckUtils]: 24: Hoare triple {174222#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {174222#true} is VALID [2020-07-08 16:19:17,870 INFO L280 TraceCheckUtils]: 25: Hoare triple {174222#true} ~p6~0 := #t~nondet5; {174222#true} is VALID [2020-07-08 16:19:17,870 INFO L280 TraceCheckUtils]: 26: Hoare triple {174222#true} havoc #t~nondet5; {174222#true} is VALID [2020-07-08 16:19:17,871 INFO L280 TraceCheckUtils]: 27: Hoare triple {174222#true} havoc ~lk6~0; {174222#true} is VALID [2020-07-08 16:19:17,871 INFO L280 TraceCheckUtils]: 28: Hoare triple {174222#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {174222#true} is VALID [2020-07-08 16:19:17,871 INFO L280 TraceCheckUtils]: 29: Hoare triple {174222#true} ~p7~0 := #t~nondet6; {174222#true} is VALID [2020-07-08 16:19:17,871 INFO L280 TraceCheckUtils]: 30: Hoare triple {174222#true} havoc #t~nondet6; {174222#true} is VALID [2020-07-08 16:19:17,875 INFO L280 TraceCheckUtils]: 31: Hoare triple {174222#true} havoc ~lk7~0; {174222#true} is VALID [2020-07-08 16:19:17,875 INFO L280 TraceCheckUtils]: 32: Hoare triple {174222#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {174222#true} is VALID [2020-07-08 16:19:17,875 INFO L280 TraceCheckUtils]: 33: Hoare triple {174222#true} ~p8~0 := #t~nondet7; {174222#true} is VALID [2020-07-08 16:19:17,875 INFO L280 TraceCheckUtils]: 34: Hoare triple {174222#true} havoc #t~nondet7; {174222#true} is VALID [2020-07-08 16:19:17,876 INFO L280 TraceCheckUtils]: 35: Hoare triple {174222#true} havoc ~lk8~0; {174222#true} is VALID [2020-07-08 16:19:17,876 INFO L280 TraceCheckUtils]: 36: Hoare triple {174222#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {174222#true} is VALID [2020-07-08 16:19:17,876 INFO L280 TraceCheckUtils]: 37: Hoare triple {174222#true} ~p9~0 := #t~nondet8; {174222#true} is VALID [2020-07-08 16:19:17,876 INFO L280 TraceCheckUtils]: 38: Hoare triple {174222#true} havoc #t~nondet8; {174222#true} is VALID [2020-07-08 16:19:17,876 INFO L280 TraceCheckUtils]: 39: Hoare triple {174222#true} havoc ~lk9~0; {174222#true} is VALID [2020-07-08 16:19:17,876 INFO L280 TraceCheckUtils]: 40: Hoare triple {174222#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {174222#true} is VALID [2020-07-08 16:19:17,877 INFO L280 TraceCheckUtils]: 41: Hoare triple {174222#true} ~p10~0 := #t~nondet9; {174222#true} is VALID [2020-07-08 16:19:17,877 INFO L280 TraceCheckUtils]: 42: Hoare triple {174222#true} havoc #t~nondet9; {174222#true} is VALID [2020-07-08 16:19:17,877 INFO L280 TraceCheckUtils]: 43: Hoare triple {174222#true} havoc ~lk10~0; {174222#true} is VALID [2020-07-08 16:19:17,878 INFO L280 TraceCheckUtils]: 44: Hoare triple {174222#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {174222#true} is VALID [2020-07-08 16:19:17,878 INFO L280 TraceCheckUtils]: 45: Hoare triple {174222#true} ~p11~0 := #t~nondet10; {174222#true} is VALID [2020-07-08 16:19:17,878 INFO L280 TraceCheckUtils]: 46: Hoare triple {174222#true} havoc #t~nondet10; {174222#true} is VALID [2020-07-08 16:19:17,879 INFO L280 TraceCheckUtils]: 47: Hoare triple {174222#true} havoc ~lk11~0; {174222#true} is VALID [2020-07-08 16:19:17,879 INFO L280 TraceCheckUtils]: 48: Hoare triple {174222#true} havoc ~cond~0; {174222#true} is VALID [2020-07-08 16:19:17,879 INFO L280 TraceCheckUtils]: 49: Hoare triple {174222#true} assume !false; {174222#true} is VALID [2020-07-08 16:19:17,879 INFO L280 TraceCheckUtils]: 50: Hoare triple {174222#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {174222#true} is VALID [2020-07-08 16:19:17,879 INFO L280 TraceCheckUtils]: 51: Hoare triple {174222#true} ~cond~0 := #t~nondet11; {174222#true} is VALID [2020-07-08 16:19:17,880 INFO L280 TraceCheckUtils]: 52: Hoare triple {174222#true} havoc #t~nondet11; {174222#true} is VALID [2020-07-08 16:19:17,880 INFO L280 TraceCheckUtils]: 53: Hoare triple {174222#true} assume !(0 == ~cond~0); {174222#true} is VALID [2020-07-08 16:19:17,880 INFO L280 TraceCheckUtils]: 54: Hoare triple {174222#true} ~lk1~0 := 0; {174222#true} is VALID [2020-07-08 16:19:17,880 INFO L280 TraceCheckUtils]: 55: Hoare triple {174222#true} ~lk2~0 := 0; {174222#true} is VALID [2020-07-08 16:19:17,880 INFO L280 TraceCheckUtils]: 56: Hoare triple {174222#true} ~lk3~0 := 0; {174222#true} is VALID [2020-07-08 16:19:17,880 INFO L280 TraceCheckUtils]: 57: Hoare triple {174222#true} ~lk4~0 := 0; {174222#true} is VALID [2020-07-08 16:19:17,881 INFO L280 TraceCheckUtils]: 58: Hoare triple {174222#true} ~lk5~0 := 0; {174222#true} is VALID [2020-07-08 16:19:17,881 INFO L280 TraceCheckUtils]: 59: Hoare triple {174222#true} ~lk6~0 := 0; {174222#true} is VALID [2020-07-08 16:19:17,881 INFO L280 TraceCheckUtils]: 60: Hoare triple {174222#true} ~lk7~0 := 0; {174222#true} is VALID [2020-07-08 16:19:17,881 INFO L280 TraceCheckUtils]: 61: Hoare triple {174222#true} ~lk8~0 := 0; {174222#true} is VALID [2020-07-08 16:19:17,881 INFO L280 TraceCheckUtils]: 62: Hoare triple {174222#true} ~lk9~0 := 0; {174222#true} is VALID [2020-07-08 16:19:17,882 INFO L280 TraceCheckUtils]: 63: Hoare triple {174222#true} ~lk10~0 := 0; {174222#true} is VALID [2020-07-08 16:19:17,882 INFO L280 TraceCheckUtils]: 64: Hoare triple {174222#true} ~lk11~0 := 0; {174222#true} is VALID [2020-07-08 16:19:17,882 INFO L280 TraceCheckUtils]: 65: Hoare triple {174222#true} assume !(0 != ~p1~0); {174222#true} is VALID [2020-07-08 16:19:17,882 INFO L280 TraceCheckUtils]: 66: Hoare triple {174222#true} assume !(0 != ~p2~0); {174222#true} is VALID [2020-07-08 16:19:17,882 INFO L280 TraceCheckUtils]: 67: Hoare triple {174222#true} assume !(0 != ~p3~0); {174222#true} is VALID [2020-07-08 16:19:17,883 INFO L280 TraceCheckUtils]: 68: Hoare triple {174222#true} assume !(0 != ~p4~0); {174222#true} is VALID [2020-07-08 16:19:17,883 INFO L280 TraceCheckUtils]: 69: Hoare triple {174222#true} assume !(0 != ~p5~0); {174222#true} is VALID [2020-07-08 16:19:17,883 INFO L280 TraceCheckUtils]: 70: Hoare triple {174222#true} assume !(0 != ~p6~0); {174222#true} is VALID [2020-07-08 16:19:17,883 INFO L280 TraceCheckUtils]: 71: Hoare triple {174222#true} assume 0 != ~p7~0; {174222#true} is VALID [2020-07-08 16:19:17,890 INFO L280 TraceCheckUtils]: 72: Hoare triple {174222#true} ~lk7~0 := 1; {174226#(= main_~lk7~0 1)} is VALID [2020-07-08 16:19:17,891 INFO L280 TraceCheckUtils]: 73: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p8~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-08 16:19:17,892 INFO L280 TraceCheckUtils]: 74: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p9~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-08 16:19:17,892 INFO L280 TraceCheckUtils]: 75: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p10~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-08 16:19:17,892 INFO L280 TraceCheckUtils]: 76: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p11~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-08 16:19:17,893 INFO L280 TraceCheckUtils]: 77: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p1~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-08 16:19:17,893 INFO L280 TraceCheckUtils]: 78: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p2~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-08 16:19:17,893 INFO L280 TraceCheckUtils]: 79: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p3~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-08 16:19:17,894 INFO L280 TraceCheckUtils]: 80: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p4~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-08 16:19:17,894 INFO L280 TraceCheckUtils]: 81: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p5~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-08 16:19:17,895 INFO L280 TraceCheckUtils]: 82: Hoare triple {174226#(= main_~lk7~0 1)} assume !(0 != ~p6~0); {174226#(= main_~lk7~0 1)} is VALID [2020-07-08 16:19:17,895 INFO L280 TraceCheckUtils]: 83: Hoare triple {174226#(= main_~lk7~0 1)} assume 0 != ~p7~0; {174226#(= main_~lk7~0 1)} is VALID [2020-07-08 16:19:17,895 INFO L280 TraceCheckUtils]: 84: Hoare triple {174226#(= main_~lk7~0 1)} assume 1 != ~lk7~0; {174223#false} is VALID [2020-07-08 16:19:17,895 INFO L280 TraceCheckUtils]: 85: Hoare triple {174223#false} assume !false; {174223#false} is VALID [2020-07-08 16:19:17,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:19:17,899 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:19:17,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003266684] [2020-07-08 16:19:17,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:19:17,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:19:17,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833204592] [2020-07-08 16:19:17,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-07-08 16:19:17,900 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:19:17,900 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:19:17,981 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:19:17,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:19:17,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:19:17,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:19:17,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:19:17,982 INFO L87 Difference]: Start difference. First operand 7795 states and 10290 transitions. Second operand 3 states. [2020-07-08 16:19:54,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:19:54,415 INFO L93 Difference]: Finished difference Result 9335 states and 12340 transitions. [2020-07-08 16:19:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:19:54,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-07-08 16:19:54,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:19:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:19:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2020-07-08 16:19:54,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:19:54,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2020-07-08 16:19:54,418 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 219 transitions. [2020-07-08 16:19:54,627 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 219 edges. 219 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:19:58,118 INFO L225 Difference]: With dead ends: 9335 [2020-07-08 16:19:58,119 INFO L226 Difference]: Without dead ends: 9333 [2020-07-08 16:19:58,121 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 [2020-07-08 16:19:58,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9333 states. [2020-07-08 16:20:26,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9333 to 7795. [2020-07-08 16:20:26,785 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:20:26,785 INFO L82 GeneralOperation]: Start isEquivalent. First operand 9333 states. Second operand 7795 states. [2020-07-08 16:20:26,786 INFO L74 IsIncluded]: Start isIncluded. First operand 9333 states. Second operand 7795 states. [2020-07-08 16:20:26,786 INFO L87 Difference]: Start difference. First operand 9333 states. Second operand 7795 states. [2020-07-08 16:20:29,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:20:29,282 INFO L93 Difference]: Finished difference Result 9333 states and 12275 transitions. [2020-07-08 16:20:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 9333 states and 12275 transitions. [2020-07-08 16:20:29,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:20:29,290 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:20:29,290 INFO L74 IsIncluded]: Start isIncluded. First operand 7795 states. Second operand 9333 states. [2020-07-08 16:20:29,290 INFO L87 Difference]: Start difference. First operand 7795 states. Second operand 9333 states. [2020-07-08 16:20:32,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:20:32,291 INFO L93 Difference]: Finished difference Result 9333 states and 12275 transitions. [2020-07-08 16:20:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand 9333 states and 12275 transitions. [2020-07-08 16:20:32,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:20:32,299 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:20:32,299 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:20:32,299 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:20:32,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7795 states. [2020-07-08 16:20:34,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7795 states to 7795 states and 10226 transitions. [2020-07-08 16:20:34,589 INFO L78 Accepts]: Start accepts. Automaton has 7795 states and 10226 transitions. Word has length 86 [2020-07-08 16:20:34,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:20:34,589 INFO L479 AbstractCegarLoop]: Abstraction has 7795 states and 10226 transitions. [2020-07-08 16:20:34,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:20:34,589 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7795 states and 10226 transitions. [2020-07-08 16:20:49,645 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10226 edges. 10226 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:20:49,645 INFO L276 IsEmpty]: Start isEmpty. Operand 7795 states and 10226 transitions. [2020-07-08 16:20:49,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-07-08 16:20:49,648 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:20:49,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:20:49,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-08 16:20:49,649 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:20:49,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:20:49,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1221401062, now seen corresponding path program 1 times [2020-07-08 16:20:49,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:20:49,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290011226] [2020-07-08 16:20:49,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:20:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:20:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:20:49,692 INFO L280 TraceCheckUtils]: 0: Hoare triple {227155#true} assume true; {227155#true} is VALID [2020-07-08 16:20:49,693 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {227155#true} {227155#true} #295#return; {227155#true} is VALID [2020-07-08 16:20:49,693 INFO L263 TraceCheckUtils]: 0: Hoare triple {227155#true} call ULTIMATE.init(); {227155#true} is VALID [2020-07-08 16:20:49,693 INFO L280 TraceCheckUtils]: 1: Hoare triple {227155#true} assume true; {227155#true} is VALID [2020-07-08 16:20:49,694 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {227155#true} {227155#true} #295#return; {227155#true} is VALID [2020-07-08 16:20:49,694 INFO L263 TraceCheckUtils]: 3: Hoare triple {227155#true} call #t~ret12 := main(); {227155#true} is VALID [2020-07-08 16:20:49,694 INFO L280 TraceCheckUtils]: 4: Hoare triple {227155#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {227155#true} is VALID [2020-07-08 16:20:49,694 INFO L280 TraceCheckUtils]: 5: Hoare triple {227155#true} ~p1~0 := #t~nondet0; {227155#true} is VALID [2020-07-08 16:20:49,694 INFO L280 TraceCheckUtils]: 6: Hoare triple {227155#true} havoc #t~nondet0; {227155#true} is VALID [2020-07-08 16:20:49,695 INFO L280 TraceCheckUtils]: 7: Hoare triple {227155#true} havoc ~lk1~0; {227155#true} is VALID [2020-07-08 16:20:49,695 INFO L280 TraceCheckUtils]: 8: Hoare triple {227155#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {227155#true} is VALID [2020-07-08 16:20:49,695 INFO L280 TraceCheckUtils]: 9: Hoare triple {227155#true} ~p2~0 := #t~nondet1; {227155#true} is VALID [2020-07-08 16:20:49,695 INFO L280 TraceCheckUtils]: 10: Hoare triple {227155#true} havoc #t~nondet1; {227155#true} is VALID [2020-07-08 16:20:49,695 INFO L280 TraceCheckUtils]: 11: Hoare triple {227155#true} havoc ~lk2~0; {227155#true} is VALID [2020-07-08 16:20:49,696 INFO L280 TraceCheckUtils]: 12: Hoare triple {227155#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {227155#true} is VALID [2020-07-08 16:20:49,696 INFO L280 TraceCheckUtils]: 13: Hoare triple {227155#true} ~p3~0 := #t~nondet2; {227155#true} is VALID [2020-07-08 16:20:49,696 INFO L280 TraceCheckUtils]: 14: Hoare triple {227155#true} havoc #t~nondet2; {227155#true} is VALID [2020-07-08 16:20:49,696 INFO L280 TraceCheckUtils]: 15: Hoare triple {227155#true} havoc ~lk3~0; {227155#true} is VALID [2020-07-08 16:20:49,696 INFO L280 TraceCheckUtils]: 16: Hoare triple {227155#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {227155#true} is VALID [2020-07-08 16:20:49,697 INFO L280 TraceCheckUtils]: 17: Hoare triple {227155#true} ~p4~0 := #t~nondet3; {227155#true} is VALID [2020-07-08 16:20:49,697 INFO L280 TraceCheckUtils]: 18: Hoare triple {227155#true} havoc #t~nondet3; {227155#true} is VALID [2020-07-08 16:20:49,697 INFO L280 TraceCheckUtils]: 19: Hoare triple {227155#true} havoc ~lk4~0; {227155#true} is VALID [2020-07-08 16:20:49,697 INFO L280 TraceCheckUtils]: 20: Hoare triple {227155#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {227155#true} is VALID [2020-07-08 16:20:49,697 INFO L280 TraceCheckUtils]: 21: Hoare triple {227155#true} ~p5~0 := #t~nondet4; {227155#true} is VALID [2020-07-08 16:20:49,698 INFO L280 TraceCheckUtils]: 22: Hoare triple {227155#true} havoc #t~nondet4; {227155#true} is VALID [2020-07-08 16:20:49,698 INFO L280 TraceCheckUtils]: 23: Hoare triple {227155#true} havoc ~lk5~0; {227155#true} is VALID [2020-07-08 16:20:49,698 INFO L280 TraceCheckUtils]: 24: Hoare triple {227155#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {227155#true} is VALID [2020-07-08 16:20:49,698 INFO L280 TraceCheckUtils]: 25: Hoare triple {227155#true} ~p6~0 := #t~nondet5; {227155#true} is VALID [2020-07-08 16:20:49,698 INFO L280 TraceCheckUtils]: 26: Hoare triple {227155#true} havoc #t~nondet5; {227155#true} is VALID [2020-07-08 16:20:49,699 INFO L280 TraceCheckUtils]: 27: Hoare triple {227155#true} havoc ~lk6~0; {227155#true} is VALID [2020-07-08 16:20:49,699 INFO L280 TraceCheckUtils]: 28: Hoare triple {227155#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {227155#true} is VALID [2020-07-08 16:20:49,699 INFO L280 TraceCheckUtils]: 29: Hoare triple {227155#true} ~p7~0 := #t~nondet6; {227155#true} is VALID [2020-07-08 16:20:49,699 INFO L280 TraceCheckUtils]: 30: Hoare triple {227155#true} havoc #t~nondet6; {227155#true} is VALID [2020-07-08 16:20:49,699 INFO L280 TraceCheckUtils]: 31: Hoare triple {227155#true} havoc ~lk7~0; {227155#true} is VALID [2020-07-08 16:20:49,700 INFO L280 TraceCheckUtils]: 32: Hoare triple {227155#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {227155#true} is VALID [2020-07-08 16:20:49,700 INFO L280 TraceCheckUtils]: 33: Hoare triple {227155#true} ~p8~0 := #t~nondet7; {227155#true} is VALID [2020-07-08 16:20:49,700 INFO L280 TraceCheckUtils]: 34: Hoare triple {227155#true} havoc #t~nondet7; {227155#true} is VALID [2020-07-08 16:20:49,700 INFO L280 TraceCheckUtils]: 35: Hoare triple {227155#true} havoc ~lk8~0; {227155#true} is VALID [2020-07-08 16:20:49,700 INFO L280 TraceCheckUtils]: 36: Hoare triple {227155#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {227155#true} is VALID [2020-07-08 16:20:49,700 INFO L280 TraceCheckUtils]: 37: Hoare triple {227155#true} ~p9~0 := #t~nondet8; {227155#true} is VALID [2020-07-08 16:20:49,701 INFO L280 TraceCheckUtils]: 38: Hoare triple {227155#true} havoc #t~nondet8; {227155#true} is VALID [2020-07-08 16:20:49,701 INFO L280 TraceCheckUtils]: 39: Hoare triple {227155#true} havoc ~lk9~0; {227155#true} is VALID [2020-07-08 16:20:49,701 INFO L280 TraceCheckUtils]: 40: Hoare triple {227155#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {227155#true} is VALID [2020-07-08 16:20:49,701 INFO L280 TraceCheckUtils]: 41: Hoare triple {227155#true} ~p10~0 := #t~nondet9; {227155#true} is VALID [2020-07-08 16:20:49,701 INFO L280 TraceCheckUtils]: 42: Hoare triple {227155#true} havoc #t~nondet9; {227155#true} is VALID [2020-07-08 16:20:49,702 INFO L280 TraceCheckUtils]: 43: Hoare triple {227155#true} havoc ~lk10~0; {227155#true} is VALID [2020-07-08 16:20:49,702 INFO L280 TraceCheckUtils]: 44: Hoare triple {227155#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {227155#true} is VALID [2020-07-08 16:20:49,702 INFO L280 TraceCheckUtils]: 45: Hoare triple {227155#true} ~p11~0 := #t~nondet10; {227155#true} is VALID [2020-07-08 16:20:49,702 INFO L280 TraceCheckUtils]: 46: Hoare triple {227155#true} havoc #t~nondet10; {227155#true} is VALID [2020-07-08 16:20:49,702 INFO L280 TraceCheckUtils]: 47: Hoare triple {227155#true} havoc ~lk11~0; {227155#true} is VALID [2020-07-08 16:20:49,702 INFO L280 TraceCheckUtils]: 48: Hoare triple {227155#true} havoc ~cond~0; {227155#true} is VALID [2020-07-08 16:20:49,703 INFO L280 TraceCheckUtils]: 49: Hoare triple {227155#true} assume !false; {227155#true} is VALID [2020-07-08 16:20:49,703 INFO L280 TraceCheckUtils]: 50: Hoare triple {227155#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {227155#true} is VALID [2020-07-08 16:20:49,703 INFO L280 TraceCheckUtils]: 51: Hoare triple {227155#true} ~cond~0 := #t~nondet11; {227155#true} is VALID [2020-07-08 16:20:49,703 INFO L280 TraceCheckUtils]: 52: Hoare triple {227155#true} havoc #t~nondet11; {227155#true} is VALID [2020-07-08 16:20:49,703 INFO L280 TraceCheckUtils]: 53: Hoare triple {227155#true} assume !(0 == ~cond~0); {227155#true} is VALID [2020-07-08 16:20:49,704 INFO L280 TraceCheckUtils]: 54: Hoare triple {227155#true} ~lk1~0 := 0; {227155#true} is VALID [2020-07-08 16:20:49,704 INFO L280 TraceCheckUtils]: 55: Hoare triple {227155#true} ~lk2~0 := 0; {227155#true} is VALID [2020-07-08 16:20:49,704 INFO L280 TraceCheckUtils]: 56: Hoare triple {227155#true} ~lk3~0 := 0; {227155#true} is VALID [2020-07-08 16:20:49,704 INFO L280 TraceCheckUtils]: 57: Hoare triple {227155#true} ~lk4~0 := 0; {227155#true} is VALID [2020-07-08 16:20:49,704 INFO L280 TraceCheckUtils]: 58: Hoare triple {227155#true} ~lk5~0 := 0; {227155#true} is VALID [2020-07-08 16:20:49,705 INFO L280 TraceCheckUtils]: 59: Hoare triple {227155#true} ~lk6~0 := 0; {227155#true} is VALID [2020-07-08 16:20:49,705 INFO L280 TraceCheckUtils]: 60: Hoare triple {227155#true} ~lk7~0 := 0; {227155#true} is VALID [2020-07-08 16:20:49,705 INFO L280 TraceCheckUtils]: 61: Hoare triple {227155#true} ~lk8~0 := 0; {227155#true} is VALID [2020-07-08 16:20:49,705 INFO L280 TraceCheckUtils]: 62: Hoare triple {227155#true} ~lk9~0 := 0; {227155#true} is VALID [2020-07-08 16:20:49,706 INFO L280 TraceCheckUtils]: 63: Hoare triple {227155#true} ~lk10~0 := 0; {227155#true} is VALID [2020-07-08 16:20:49,706 INFO L280 TraceCheckUtils]: 64: Hoare triple {227155#true} ~lk11~0 := 0; {227155#true} is VALID [2020-07-08 16:20:49,706 INFO L280 TraceCheckUtils]: 65: Hoare triple {227155#true} assume !(0 != ~p1~0); {227155#true} is VALID [2020-07-08 16:20:49,706 INFO L280 TraceCheckUtils]: 66: Hoare triple {227155#true} assume !(0 != ~p2~0); {227155#true} is VALID [2020-07-08 16:20:49,706 INFO L280 TraceCheckUtils]: 67: Hoare triple {227155#true} assume !(0 != ~p3~0); {227155#true} is VALID [2020-07-08 16:20:49,706 INFO L280 TraceCheckUtils]: 68: Hoare triple {227155#true} assume !(0 != ~p4~0); {227155#true} is VALID [2020-07-08 16:20:49,707 INFO L280 TraceCheckUtils]: 69: Hoare triple {227155#true} assume !(0 != ~p5~0); {227155#true} is VALID [2020-07-08 16:20:49,707 INFO L280 TraceCheckUtils]: 70: Hoare triple {227155#true} assume !(0 != ~p6~0); {227155#true} is VALID [2020-07-08 16:20:49,707 INFO L280 TraceCheckUtils]: 71: Hoare triple {227155#true} assume !(0 != ~p7~0); {227155#true} is VALID [2020-07-08 16:20:49,708 INFO L280 TraceCheckUtils]: 72: Hoare triple {227155#true} assume !(0 != ~p8~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-08 16:20:49,708 INFO L280 TraceCheckUtils]: 73: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p9~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-08 16:20:49,709 INFO L280 TraceCheckUtils]: 74: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p10~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-08 16:20:49,709 INFO L280 TraceCheckUtils]: 75: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p11~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-08 16:20:49,710 INFO L280 TraceCheckUtils]: 76: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p1~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-08 16:20:49,711 INFO L280 TraceCheckUtils]: 77: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p2~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-08 16:20:49,711 INFO L280 TraceCheckUtils]: 78: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p3~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-08 16:20:49,712 INFO L280 TraceCheckUtils]: 79: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p4~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-08 16:20:49,712 INFO L280 TraceCheckUtils]: 80: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p5~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-08 16:20:49,713 INFO L280 TraceCheckUtils]: 81: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p6~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-08 16:20:49,713 INFO L280 TraceCheckUtils]: 82: Hoare triple {227159#(= 0 main_~p8~0)} assume !(0 != ~p7~0); {227159#(= 0 main_~p8~0)} is VALID [2020-07-08 16:20:49,714 INFO L280 TraceCheckUtils]: 83: Hoare triple {227159#(= 0 main_~p8~0)} assume 0 != ~p8~0; {227156#false} is VALID [2020-07-08 16:20:49,714 INFO L280 TraceCheckUtils]: 84: Hoare triple {227156#false} assume 1 != ~lk8~0; {227156#false} is VALID [2020-07-08 16:20:49,715 INFO L280 TraceCheckUtils]: 85: Hoare triple {227156#false} assume !false; {227156#false} is VALID [2020-07-08 16:20:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:20:49,719 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:20:49,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290011226] [2020-07-08 16:20:49,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:20:49,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:20:49,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526576361] [2020-07-08 16:20:49,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-07-08 16:20:49,720 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:20:49,720 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:20:49,821 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:20:49,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:20:49,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:20:49,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:20:49,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:20:49,822 INFO L87 Difference]: Start difference. First operand 7795 states and 10226 transitions. Second operand 3 states. [2020-07-08 16:23:03,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:23:03,449 INFO L93 Difference]: Finished difference Result 22903 states and 30068 transitions. [2020-07-08 16:23:03,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:23:03,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-07-08 16:23:03,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:23:03,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:23:03,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2020-07-08 16:23:03,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:23:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2020-07-08 16:23:03,453 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 339 transitions. [2020-07-08 16:23:03,760 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 339 edges. 339 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:23:13,402 INFO L225 Difference]: With dead ends: 22903 [2020-07-08 16:23:13,402 INFO L226 Difference]: Without dead ends: 15157 [2020-07-08 16:23:13,424 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 [2020-07-08 16:23:13,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15157 states. [2020-07-08 16:24:07,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15157 to 15155. [2020-07-08 16:24:07,059 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:24:07,059 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15157 states. Second operand 15155 states. [2020-07-08 16:24:07,059 INFO L74 IsIncluded]: Start isIncluded. First operand 15157 states. Second operand 15155 states. [2020-07-08 16:24:07,060 INFO L87 Difference]: Start difference. First operand 15157 states. Second operand 15155 states. [2020-07-08 16:24:17,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:24:17,353 INFO L93 Difference]: Finished difference Result 15157 states and 19635 transitions. [2020-07-08 16:24:17,353 INFO L276 IsEmpty]: Start isEmpty. Operand 15157 states and 19635 transitions. [2020-07-08 16:24:17,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:24:17,363 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:24:17,363 INFO L74 IsIncluded]: Start isIncluded. First operand 15155 states. Second operand 15157 states. [2020-07-08 16:24:17,364 INFO L87 Difference]: Start difference. First operand 15155 states. Second operand 15157 states. [2020-07-08 16:24:27,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:24:27,764 INFO L93 Difference]: Finished difference Result 15157 states and 19635 transitions. [2020-07-08 16:24:27,764 INFO L276 IsEmpty]: Start isEmpty. Operand 15157 states and 19635 transitions. [2020-07-08 16:24:27,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:24:27,778 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:24:27,778 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:24:27,779 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:24:27,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15155 states. [2020-07-08 16:24:40,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15155 states to 15155 states and 19634 transitions. [2020-07-08 16:24:40,568 INFO L78 Accepts]: Start accepts. Automaton has 15155 states and 19634 transitions. Word has length 86 [2020-07-08 16:24:40,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:24:40,569 INFO L479 AbstractCegarLoop]: Abstraction has 15155 states and 19634 transitions. [2020-07-08 16:24:40,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 16:24:40,569 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15155 states and 19634 transitions. [2020-07-08 16:25:09,621 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19634 edges. 19634 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:25:09,621 INFO L276 IsEmpty]: Start isEmpty. Operand 15155 states and 19634 transitions. [2020-07-08 16:25:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-08 16:25:09,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:25:09,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 16:25:09,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-08 16:25:09,627 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:25:09,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:25:09,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1193948038, now seen corresponding path program 1 times [2020-07-08 16:25:09,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:25:09,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511643342] [2020-07-08 16:25:09,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:25:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:25:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:25:09,664 INFO L280 TraceCheckUtils]: 0: Hoare triple {333592#true} assume true; {333592#true} is VALID [2020-07-08 16:25:09,665 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {333592#true} {333592#true} #295#return; {333592#true} is VALID [2020-07-08 16:25:09,665 INFO L263 TraceCheckUtils]: 0: Hoare triple {333592#true} call ULTIMATE.init(); {333592#true} is VALID [2020-07-08 16:25:09,665 INFO L280 TraceCheckUtils]: 1: Hoare triple {333592#true} assume true; {333592#true} is VALID [2020-07-08 16:25:09,665 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {333592#true} {333592#true} #295#return; {333592#true} is VALID [2020-07-08 16:25:09,666 INFO L263 TraceCheckUtils]: 3: Hoare triple {333592#true} call #t~ret12 := main(); {333592#true} is VALID [2020-07-08 16:25:09,666 INFO L280 TraceCheckUtils]: 4: Hoare triple {333592#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {333592#true} is VALID [2020-07-08 16:25:09,666 INFO L280 TraceCheckUtils]: 5: Hoare triple {333592#true} ~p1~0 := #t~nondet0; {333592#true} is VALID [2020-07-08 16:25:09,666 INFO L280 TraceCheckUtils]: 6: Hoare triple {333592#true} havoc #t~nondet0; {333592#true} is VALID [2020-07-08 16:25:09,666 INFO L280 TraceCheckUtils]: 7: Hoare triple {333592#true} havoc ~lk1~0; {333592#true} is VALID [2020-07-08 16:25:09,667 INFO L280 TraceCheckUtils]: 8: Hoare triple {333592#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {333592#true} is VALID [2020-07-08 16:25:09,667 INFO L280 TraceCheckUtils]: 9: Hoare triple {333592#true} ~p2~0 := #t~nondet1; {333592#true} is VALID [2020-07-08 16:25:09,667 INFO L280 TraceCheckUtils]: 10: Hoare triple {333592#true} havoc #t~nondet1; {333592#true} is VALID [2020-07-08 16:25:09,667 INFO L280 TraceCheckUtils]: 11: Hoare triple {333592#true} havoc ~lk2~0; {333592#true} is VALID [2020-07-08 16:25:09,667 INFO L280 TraceCheckUtils]: 12: Hoare triple {333592#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {333592#true} is VALID [2020-07-08 16:25:09,667 INFO L280 TraceCheckUtils]: 13: Hoare triple {333592#true} ~p3~0 := #t~nondet2; {333592#true} is VALID [2020-07-08 16:25:09,668 INFO L280 TraceCheckUtils]: 14: Hoare triple {333592#true} havoc #t~nondet2; {333592#true} is VALID [2020-07-08 16:25:09,668 INFO L280 TraceCheckUtils]: 15: Hoare triple {333592#true} havoc ~lk3~0; {333592#true} is VALID [2020-07-08 16:25:09,668 INFO L280 TraceCheckUtils]: 16: Hoare triple {333592#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {333592#true} is VALID [2020-07-08 16:25:09,668 INFO L280 TraceCheckUtils]: 17: Hoare triple {333592#true} ~p4~0 := #t~nondet3; {333592#true} is VALID [2020-07-08 16:25:09,668 INFO L280 TraceCheckUtils]: 18: Hoare triple {333592#true} havoc #t~nondet3; {333592#true} is VALID [2020-07-08 16:25:09,669 INFO L280 TraceCheckUtils]: 19: Hoare triple {333592#true} havoc ~lk4~0; {333592#true} is VALID [2020-07-08 16:25:09,669 INFO L280 TraceCheckUtils]: 20: Hoare triple {333592#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {333592#true} is VALID [2020-07-08 16:25:09,669 INFO L280 TraceCheckUtils]: 21: Hoare triple {333592#true} ~p5~0 := #t~nondet4; {333592#true} is VALID [2020-07-08 16:25:09,669 INFO L280 TraceCheckUtils]: 22: Hoare triple {333592#true} havoc #t~nondet4; {333592#true} is VALID [2020-07-08 16:25:09,669 INFO L280 TraceCheckUtils]: 23: Hoare triple {333592#true} havoc ~lk5~0; {333592#true} is VALID [2020-07-08 16:25:09,669 INFO L280 TraceCheckUtils]: 24: Hoare triple {333592#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; {333592#true} is VALID [2020-07-08 16:25:09,670 INFO L280 TraceCheckUtils]: 25: Hoare triple {333592#true} ~p6~0 := #t~nondet5; {333592#true} is VALID [2020-07-08 16:25:09,670 INFO L280 TraceCheckUtils]: 26: Hoare triple {333592#true} havoc #t~nondet5; {333592#true} is VALID [2020-07-08 16:25:09,670 INFO L280 TraceCheckUtils]: 27: Hoare triple {333592#true} havoc ~lk6~0; {333592#true} is VALID [2020-07-08 16:25:09,670 INFO L280 TraceCheckUtils]: 28: Hoare triple {333592#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {333592#true} is VALID [2020-07-08 16:25:09,670 INFO L280 TraceCheckUtils]: 29: Hoare triple {333592#true} ~p7~0 := #t~nondet6; {333592#true} is VALID [2020-07-08 16:25:09,671 INFO L280 TraceCheckUtils]: 30: Hoare triple {333592#true} havoc #t~nondet6; {333592#true} is VALID [2020-07-08 16:25:09,671 INFO L280 TraceCheckUtils]: 31: Hoare triple {333592#true} havoc ~lk7~0; {333592#true} is VALID [2020-07-08 16:25:09,671 INFO L280 TraceCheckUtils]: 32: Hoare triple {333592#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {333592#true} is VALID [2020-07-08 16:25:09,671 INFO L280 TraceCheckUtils]: 33: Hoare triple {333592#true} ~p8~0 := #t~nondet7; {333592#true} is VALID [2020-07-08 16:25:09,671 INFO L280 TraceCheckUtils]: 34: Hoare triple {333592#true} havoc #t~nondet7; {333592#true} is VALID [2020-07-08 16:25:09,671 INFO L280 TraceCheckUtils]: 35: Hoare triple {333592#true} havoc ~lk8~0; {333592#true} is VALID [2020-07-08 16:25:09,672 INFO L280 TraceCheckUtils]: 36: Hoare triple {333592#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {333592#true} is VALID [2020-07-08 16:25:09,672 INFO L280 TraceCheckUtils]: 37: Hoare triple {333592#true} ~p9~0 := #t~nondet8; {333592#true} is VALID [2020-07-08 16:25:09,672 INFO L280 TraceCheckUtils]: 38: Hoare triple {333592#true} havoc #t~nondet8; {333592#true} is VALID [2020-07-08 16:25:09,672 INFO L280 TraceCheckUtils]: 39: Hoare triple {333592#true} havoc ~lk9~0; {333592#true} is VALID [2020-07-08 16:25:09,672 INFO L280 TraceCheckUtils]: 40: Hoare triple {333592#true} assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647; {333592#true} is VALID [2020-07-08 16:25:09,673 INFO L280 TraceCheckUtils]: 41: Hoare triple {333592#true} ~p10~0 := #t~nondet9; {333592#true} is VALID [2020-07-08 16:25:09,673 INFO L280 TraceCheckUtils]: 42: Hoare triple {333592#true} havoc #t~nondet9; {333592#true} is VALID [2020-07-08 16:25:09,673 INFO L280 TraceCheckUtils]: 43: Hoare triple {333592#true} havoc ~lk10~0; {333592#true} is VALID [2020-07-08 16:25:09,673 INFO L280 TraceCheckUtils]: 44: Hoare triple {333592#true} assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647; {333592#true} is VALID [2020-07-08 16:25:09,673 INFO L280 TraceCheckUtils]: 45: Hoare triple {333592#true} ~p11~0 := #t~nondet10; {333592#true} is VALID [2020-07-08 16:25:09,674 INFO L280 TraceCheckUtils]: 46: Hoare triple {333592#true} havoc #t~nondet10; {333592#true} is VALID [2020-07-08 16:25:09,674 INFO L280 TraceCheckUtils]: 47: Hoare triple {333592#true} havoc ~lk11~0; {333592#true} is VALID [2020-07-08 16:25:09,674 INFO L280 TraceCheckUtils]: 48: Hoare triple {333592#true} havoc ~cond~0; {333592#true} is VALID [2020-07-08 16:25:09,674 INFO L280 TraceCheckUtils]: 49: Hoare triple {333592#true} assume !false; {333592#true} is VALID [2020-07-08 16:25:09,674 INFO L280 TraceCheckUtils]: 50: Hoare triple {333592#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {333592#true} is VALID [2020-07-08 16:25:09,675 INFO L280 TraceCheckUtils]: 51: Hoare triple {333592#true} ~cond~0 := #t~nondet11; {333592#true} is VALID [2020-07-08 16:25:09,675 INFO L280 TraceCheckUtils]: 52: Hoare triple {333592#true} havoc #t~nondet11; {333592#true} is VALID [2020-07-08 16:25:09,675 INFO L280 TraceCheckUtils]: 53: Hoare triple {333592#true} assume !(0 == ~cond~0); {333592#true} is VALID [2020-07-08 16:25:09,675 INFO L280 TraceCheckUtils]: 54: Hoare triple {333592#true} ~lk1~0 := 0; {333592#true} is VALID [2020-07-08 16:25:09,675 INFO L280 TraceCheckUtils]: 55: Hoare triple {333592#true} ~lk2~0 := 0; {333592#true} is VALID [2020-07-08 16:25:09,676 INFO L280 TraceCheckUtils]: 56: Hoare triple {333592#true} ~lk3~0 := 0; {333592#true} is VALID [2020-07-08 16:25:09,676 INFO L280 TraceCheckUtils]: 57: Hoare triple {333592#true} ~lk4~0 := 0; {333592#true} is VALID [2020-07-08 16:25:09,676 INFO L280 TraceCheckUtils]: 58: Hoare triple {333592#true} ~lk5~0 := 0; {333592#true} is VALID [2020-07-08 16:25:09,676 INFO L280 TraceCheckUtils]: 59: Hoare triple {333592#true} ~lk6~0 := 0; {333592#true} is VALID [2020-07-08 16:25:09,676 INFO L280 TraceCheckUtils]: 60: Hoare triple {333592#true} ~lk7~0 := 0; {333592#true} is VALID [2020-07-08 16:25:09,676 INFO L280 TraceCheckUtils]: 61: Hoare triple {333592#true} ~lk8~0 := 0; {333592#true} is VALID [2020-07-08 16:25:09,677 INFO L280 TraceCheckUtils]: 62: Hoare triple {333592#true} ~lk9~0 := 0; {333592#true} is VALID [2020-07-08 16:25:09,677 INFO L280 TraceCheckUtils]: 63: Hoare triple {333592#true} ~lk10~0 := 0; {333592#true} is VALID [2020-07-08 16:25:09,677 INFO L280 TraceCheckUtils]: 64: Hoare triple {333592#true} ~lk11~0 := 0; {333592#true} is VALID [2020-07-08 16:25:09,677 INFO L280 TraceCheckUtils]: 65: Hoare triple {333592#true} assume !(0 != ~p1~0); {333592#true} is VALID [2020-07-08 16:25:09,677 INFO L280 TraceCheckUtils]: 66: Hoare triple {333592#true} assume !(0 != ~p2~0); {333592#true} is VALID [2020-07-08 16:25:09,677 INFO L280 TraceCheckUtils]: 67: Hoare triple {333592#true} assume !(0 != ~p3~0); {333592#true} is VALID [2020-07-08 16:25:09,678 INFO L280 TraceCheckUtils]: 68: Hoare triple {333592#true} assume !(0 != ~p4~0); {333592#true} is VALID [2020-07-08 16:25:09,678 INFO L280 TraceCheckUtils]: 69: Hoare triple {333592#true} assume !(0 != ~p5~0); {333592#true} is VALID [2020-07-08 16:25:09,678 INFO L280 TraceCheckUtils]: 70: Hoare triple {333592#true} assume !(0 != ~p6~0); {333592#true} is VALID [2020-07-08 16:25:09,678 INFO L280 TraceCheckUtils]: 71: Hoare triple {333592#true} assume !(0 != ~p7~0); {333592#true} is VALID [2020-07-08 16:25:09,679 INFO L280 TraceCheckUtils]: 72: Hoare triple {333592#true} assume 0 != ~p8~0; {333592#true} is VALID [2020-07-08 16:25:09,679 INFO L280 TraceCheckUtils]: 73: Hoare triple {333592#true} ~lk8~0 := 1; {333596#(= 1 main_~lk8~0)} is VALID [2020-07-08 16:25:09,680 INFO L280 TraceCheckUtils]: 74: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p9~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-08 16:25:09,680 INFO L280 TraceCheckUtils]: 75: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p10~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-08 16:25:09,681 INFO L280 TraceCheckUtils]: 76: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p11~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-08 16:25:09,681 INFO L280 TraceCheckUtils]: 77: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p1~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-08 16:25:09,691 INFO L280 TraceCheckUtils]: 78: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p2~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-08 16:25:09,692 INFO L280 TraceCheckUtils]: 79: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p3~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-08 16:25:09,697 INFO L280 TraceCheckUtils]: 80: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p4~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-08 16:25:09,699 INFO L280 TraceCheckUtils]: 81: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p5~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-08 16:25:09,700 INFO L280 TraceCheckUtils]: 82: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p6~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-08 16:25:09,700 INFO L280 TraceCheckUtils]: 83: Hoare triple {333596#(= 1 main_~lk8~0)} assume !(0 != ~p7~0); {333596#(= 1 main_~lk8~0)} is VALID [2020-07-08 16:25:09,701 INFO L280 TraceCheckUtils]: 84: Hoare triple {333596#(= 1 main_~lk8~0)} assume 0 != ~p8~0; {333596#(= 1 main_~lk8~0)} is VALID [2020-07-08 16:25:09,701 INFO L280 TraceCheckUtils]: 85: Hoare triple {333596#(= 1 main_~lk8~0)} assume 1 != ~lk8~0; {333593#false} is VALID [2020-07-08 16:25:09,701 INFO L280 TraceCheckUtils]: 86: Hoare triple {333593#false} assume !false; {333593#false} is VALID [2020-07-08 16:25:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:25:09,706 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:25:09,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511643342] [2020-07-08 16:25:09,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:25:09,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 16:25:09,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924975325] [2020-07-08 16:25:09,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-07-08 16:25:09,707 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:25:09,708 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 16:25:09,792 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:25:09,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 16:25:09,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:25:09,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 16:25:09,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 16:25:09,793 INFO L87 Difference]: Start difference. First operand 15155 states and 19634 transitions. Second operand 3 states. [2020-07-08 16:26:37,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:37,613 INFO L93 Difference]: Finished difference Result 17975 states and 23220 transitions. [2020-07-08 16:26:37,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 16:26:37,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-07-08 16:26:37,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:26:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:26:37,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2020-07-08 16:26:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 16:26:37,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2020-07-08 16:26:37,617 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 215 transitions. [2020-07-08 16:26:37,823 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 215 edges. 215 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:51,120 INFO L225 Difference]: With dead ends: 17975 [2020-07-08 16:26:51,120 INFO L226 Difference]: Without dead ends: 17973 [2020-07-08 16:26:51,123 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 [2020-07-08 16:26:51,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17973 states. [2020-07-08 16:27:48,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17973 to 15155. [2020-07-08 16:27:48,249 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:27:48,249 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17973 states. Second operand 15155 states. [2020-07-08 16:27:48,249 INFO L74 IsIncluded]: Start isIncluded. First operand 17973 states. Second operand 15155 states. [2020-07-08 16:27:48,249 INFO L87 Difference]: Start difference. First operand 17973 states. Second operand 15155 states. [2020-07-08 16:28:00,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:28:00,978 INFO L93 Difference]: Finished difference Result 17973 states and 23091 transitions. [2020-07-08 16:28:00,978 INFO L276 IsEmpty]: Start isEmpty. Operand 17973 states and 23091 transitions. [2020-07-08 16:28:00,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:28:00,995 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:28:00,995 INFO L74 IsIncluded]: Start isIncluded. First operand 15155 states. Second operand 17973 states. [2020-07-08 16:28:00,995 INFO L87 Difference]: Start difference. First operand 15155 states. Second operand 17973 states. [2020-07-08 16:28:15,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:28:15,140 INFO L93 Difference]: Finished difference Result 17973 states and 23091 transitions. [2020-07-08 16:28:15,140 INFO L276 IsEmpty]: Start isEmpty. Operand 17973 states and 23091 transitions. [2020-07-08 16:28:15,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:28:15,153 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:28:15,153 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:28:15,153 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:28:15,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15155 states.