/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 23:59:24,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 23:59:24,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 23:59:24,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 23:59:24,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 23:59:24,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 23:59:24,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 23:59:24,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 23:59:24,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 23:59:24,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 23:59:24,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 23:59:24,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 23:59:24,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 23:59:24,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 23:59:24,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 23:59:24,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 23:59:24,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 23:59:24,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 23:59:24,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 23:59:24,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 23:59:24,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 23:59:24,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 23:59:24,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 23:59:24,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 23:59:24,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 23:59:24,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 23:59:24,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 23:59:24,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 23:59:24,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 23:59:24,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 23:59:24,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 23:59:24,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 23:59:24,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 23:59:24,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 23:59:24,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 23:59:24,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 23:59:24,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 23:59:24,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 23:59:24,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 23:59:24,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 23:59:24,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 23:59:24,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2020-10-15 23:59:24,593 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 23:59:24,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 23:59:24,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 23:59:24,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 23:59:24,598 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 23:59:24,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 23:59:24,599 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 23:59:24,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 23:59:24,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 23:59:24,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 23:59:24,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 23:59:24,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 23:59:24,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 23:59:24,604 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 23:59:24,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 23:59:24,605 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 23:59:24,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 23:59:24,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 23:59:24,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 23:59:24,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 23:59:24,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 23:59:24,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 23:59:24,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 23:59:24,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 23:59:24,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 23:59:24,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 23:59:24,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 23:59:24,609 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-15 23:59:24,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 23:59:24,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 23:59:24,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 23:59:24,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 23:59:24,960 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 23:59:24,961 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 23:59:24,962 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-1.i [2020-10-15 23:59:25,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96996f7d8/51183f2f4ee84a8a9da01daf884d7be8/FLAG18d9a86dd [2020-10-15 23:59:25,657 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 23:59:25,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i [2020-10-15 23:59:25,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96996f7d8/51183f2f4ee84a8a9da01daf884d7be8/FLAG18d9a86dd [2020-10-15 23:59:25,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96996f7d8/51183f2f4ee84a8a9da01daf884d7be8 [2020-10-15 23:59:25,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 23:59:25,880 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 23:59:25,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 23:59:25,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 23:59:25,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 23:59:25,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:59:25" (1/1) ... [2020-10-15 23:59:25,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4b4aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:25, skipping insertion in model container [2020-10-15 23:59:25,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:59:25" (1/1) ... [2020-10-15 23:59:25,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 23:59:25,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 23:59:26,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 23:59:26,609 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 23:59:26,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 23:59:26,851 INFO L208 MainTranslator]: Completed translation [2020-10-15 23:59:26,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:26 WrapperNode [2020-10-15 23:59:26,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 23:59:26,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 23:59:26,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 23:59:26,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 23:59:26,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:26" (1/1) ... [2020-10-15 23:59:26,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:26" (1/1) ... [2020-10-15 23:59:26,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 23:59:26,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 23:59:26,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 23:59:26,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 23:59:26,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:26" (1/1) ... [2020-10-15 23:59:26,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:26" (1/1) ... [2020-10-15 23:59:26,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:26" (1/1) ... [2020-10-15 23:59:26,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:26" (1/1) ... [2020-10-15 23:59:26,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:26" (1/1) ... [2020-10-15 23:59:26,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:26" (1/1) ... [2020-10-15 23:59:26,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:26" (1/1) ... [2020-10-15 23:59:26,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 23:59:26,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 23:59:26,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 23:59:26,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 23:59:26,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:26" (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 [2020-10-15 23:59:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 23:59:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 23:59:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 23:59:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 23:59:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 23:59:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 23:59:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 23:59:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 23:59:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 23:59:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 23:59:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 23:59:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 23:59:27,080 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 23:59:27,730 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 23:59:27,731 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-15 23:59:27,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:59:27 BoogieIcfgContainer [2020-10-15 23:59:27,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 23:59:27,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 23:59:27,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 23:59:27,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 23:59:27,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 11:59:25" (1/3) ... [2020-10-15 23:59:27,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46644a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:59:27, skipping insertion in model container [2020-10-15 23:59:27,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:59:26" (2/3) ... [2020-10-15 23:59:27,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46644a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:59:27, skipping insertion in model container [2020-10-15 23:59:27,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:59:27" (3/3) ... [2020-10-15 23:59:27,745 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2020-10-15 23:59:27,758 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 23:59:27,766 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 23:59:27,768 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 23:59:27,806 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,806 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,806 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,808 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,808 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,810 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,810 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,810 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,810 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,811 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,811 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,812 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,812 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,813 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,813 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,813 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,813 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,813 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,814 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,815 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,815 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,815 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,816 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,819 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,819 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,820 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,820 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,820 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,821 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,821 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,822 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,822 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,822 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,822 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,823 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,823 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,823 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,823 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,824 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,824 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,825 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,825 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,826 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,826 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,826 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,826 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,827 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,827 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,827 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,829 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,831 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,831 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,831 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,831 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,831 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,832 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,832 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,832 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,832 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,833 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,833 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,833 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,834 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,834 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,834 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,834 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,837 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,837 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,837 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,837 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,838 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,838 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,838 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,838 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,840 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,840 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,840 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,840 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,841 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,846 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,846 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,847 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,847 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,847 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,847 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,848 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,848 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,848 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,848 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,848 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,849 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,849 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,849 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,849 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,850 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,850 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,850 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,850 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,851 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,851 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,851 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,851 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,858 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,859 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,860 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,861 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,862 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,862 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,862 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,862 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,863 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,863 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:59:27,898 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 23:59:27,924 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 23:59:27,925 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-15 23:59:27,925 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 23:59:27,925 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 23:59:27,925 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 23:59:27,927 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 23:59:27,927 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 23:59:27,928 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 23:59:27,946 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-10-15 23:59:28,026 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-10-15 23:59:28,026 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 23:59:28,039 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-15 23:59:28,040 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 145 transitions, 312 flow [2020-10-15 23:59:28,053 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 129 places, 133 transitions, 278 flow [2020-10-15 23:59:28,056 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 23:59:28,059 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 133 transitions, 278 flow [2020-10-15 23:59:28,062 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 133 transitions, 278 flow [2020-10-15 23:59:28,062 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 129 places, 133 transitions, 278 flow [2020-10-15 23:59:28,117 INFO L129 PetriNetUnfolder]: 10/135 cut-off events. [2020-10-15 23:59:28,117 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 23:59:28,120 INFO L80 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 135 events. 10/135 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 304 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-15 23:59:28,127 INFO L117 LiptonReduction]: Number of co-enabled transitions 6532 [2020-10-15 23:59:31,448 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2020-10-15 23:59:31,566 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-15 23:59:32,208 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-15 23:59:32,440 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 23:59:32,451 INFO L132 LiptonReduction]: Checked pairs total: 9423 [2020-10-15 23:59:32,452 INFO L134 LiptonReduction]: Total number of compositions: 121 [2020-10-15 23:59:32,456 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4403 [2020-10-15 23:59:32,466 INFO L129 PetriNetUnfolder]: 1/14 cut-off events. [2020-10-15 23:59:32,466 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-15 23:59:32,467 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:59:32,468 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-15 23:59:32,468 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:59:32,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:59:32,477 INFO L82 PathProgramCache]: Analyzing trace with hash 304460300, now seen corresponding path program 1 times [2020-10-15 23:59:32,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:59:32,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855617404] [2020-10-15 23:59:32,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:59:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:59:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:59:32,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855617404] [2020-10-15 23:59:32,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:59:32,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 23:59:32,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104707513] [2020-10-15 23:59:32,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:59:32,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:59:32,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:59:32,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:59:32,785 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 266 [2020-10-15 23:59:32,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 34 transitions, 80 flow. Second operand 3 states. [2020-10-15 23:59:32,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:59:32,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 266 [2020-10-15 23:59:32,791 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:59:32,896 INFO L129 PetriNetUnfolder]: 70/220 cut-off events. [2020-10-15 23:59:32,896 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-15 23:59:32,898 INFO L80 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 220 events. 70/220 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1063 event pairs, 10 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 313. Up to 68 conditions per place. [2020-10-15 23:59:32,902 INFO L132 encePairwiseOnDemand]: 261/266 looper letters, 15 selfloop transitions, 4 changer transitions 0/42 dead transitions. [2020-10-15 23:59:32,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 42 transitions, 134 flow [2020-10-15 23:59:32,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:59:32,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:59:32,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 677 transitions. [2020-10-15 23:59:32,926 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8483709273182958 [2020-10-15 23:59:32,927 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 677 transitions. [2020-10-15 23:59:32,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 677 transitions. [2020-10-15 23:59:32,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:59:32,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 677 transitions. [2020-10-15 23:59:32,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:59:32,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:59:32,953 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:59:32,956 INFO L185 Difference]: Start difference. First operand has 35 places, 34 transitions, 80 flow. Second operand 3 states and 677 transitions. [2020-10-15 23:59:32,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 42 transitions, 134 flow [2020-10-15 23:59:32,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 42 transitions, 126 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-15 23:59:32,964 INFO L241 Difference]: Finished difference. Result has 35 places, 37 transitions, 102 flow [2020-10-15 23:59:32,967 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=35, PETRI_TRANSITIONS=37} [2020-10-15 23:59:32,968 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 0 predicate places. [2020-10-15 23:59:32,969 INFO L481 AbstractCegarLoop]: Abstraction has has 35 places, 37 transitions, 102 flow [2020-10-15 23:59:32,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:59:32,969 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:59:32,969 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:59:32,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 23:59:32,970 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:59:32,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:59:32,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1617243055, now seen corresponding path program 1 times [2020-10-15 23:59:32,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:59:32,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712679255] [2020-10-15 23:59:32,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:59:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:59:33,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:59:33,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712679255] [2020-10-15 23:59:33,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:59:33,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 23:59:33,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786564913] [2020-10-15 23:59:33,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:59:33,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:59:33,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:59:33,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:59:33,119 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 266 [2020-10-15 23:59:33,120 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 37 transitions, 102 flow. Second operand 3 states. [2020-10-15 23:59:33,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:59:33,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 266 [2020-10-15 23:59:33,121 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:59:33,161 INFO L129 PetriNetUnfolder]: 27/115 cut-off events. [2020-10-15 23:59:33,161 INFO L130 PetriNetUnfolder]: For 18/21 co-relation queries the response was YES. [2020-10-15 23:59:33,165 INFO L80 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 115 events. 27/115 cut-off events. For 18/21 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 388 event pairs, 1 based on Foata normal form. 3/104 useless extension candidates. Maximal degree in co-relation 142. Up to 26 conditions per place. [2020-10-15 23:59:33,167 INFO L132 encePairwiseOnDemand]: 262/266 looper letters, 6 selfloop transitions, 2 changer transitions 0/39 dead transitions. [2020-10-15 23:59:33,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 39 transitions, 122 flow [2020-10-15 23:59:33,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:59:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:59:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 708 transitions. [2020-10-15 23:59:33,176 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8872180451127819 [2020-10-15 23:59:33,176 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 708 transitions. [2020-10-15 23:59:33,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 708 transitions. [2020-10-15 23:59:33,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:59:33,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 708 transitions. [2020-10-15 23:59:33,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:59:33,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:59:33,185 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:59:33,186 INFO L185 Difference]: Start difference. First operand has 35 places, 37 transitions, 102 flow. Second operand 3 states and 708 transitions. [2020-10-15 23:59:33,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 39 transitions, 122 flow [2020-10-15 23:59:33,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 39 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-15 23:59:33,188 INFO L241 Difference]: Finished difference. Result has 36 places, 38 transitions, 110 flow [2020-10-15 23:59:33,189 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=36, PETRI_TRANSITIONS=38} [2020-10-15 23:59:33,190 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 1 predicate places. [2020-10-15 23:59:33,191 INFO L481 AbstractCegarLoop]: Abstraction has has 36 places, 38 transitions, 110 flow [2020-10-15 23:59:33,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:59:33,191 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:59:33,191 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:59:33,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 23:59:33,192 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:59:33,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:59:33,193 INFO L82 PathProgramCache]: Analyzing trace with hash 205890229, now seen corresponding path program 1 times [2020-10-15 23:59:33,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:59:33,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665952648] [2020-10-15 23:59:33,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:59:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:59:33,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:59:33,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665952648] [2020-10-15 23:59:33,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:59:33,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 23:59:33,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385726943] [2020-10-15 23:59:33,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:59:33,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:59:33,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:59:33,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:59:33,352 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 266 [2020-10-15 23:59:33,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 38 transitions, 110 flow. Second operand 3 states. [2020-10-15 23:59:33,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:59:33,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 266 [2020-10-15 23:59:33,353 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:59:33,410 INFO L129 PetriNetUnfolder]: 32/131 cut-off events. [2020-10-15 23:59:33,411 INFO L130 PetriNetUnfolder]: For 21/28 co-relation queries the response was YES. [2020-10-15 23:59:33,413 INFO L80 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 131 events. 32/131 cut-off events. For 21/28 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 441 event pairs, 2 based on Foata normal form. 3/112 useless extension candidates. Maximal degree in co-relation 183. Up to 28 conditions per place. [2020-10-15 23:59:33,415 INFO L132 encePairwiseOnDemand]: 263/266 looper letters, 4 selfloop transitions, 4 changer transitions 0/39 dead transitions. [2020-10-15 23:59:33,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 130 flow [2020-10-15 23:59:33,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:59:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:59:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 703 transitions. [2020-10-15 23:59:33,424 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8809523809523809 [2020-10-15 23:59:33,424 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 703 transitions. [2020-10-15 23:59:33,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 703 transitions. [2020-10-15 23:59:33,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:59:33,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 703 transitions. [2020-10-15 23:59:33,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:59:33,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:59:33,430 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:59:33,430 INFO L185 Difference]: Start difference. First operand has 36 places, 38 transitions, 110 flow. Second operand 3 states and 703 transitions. [2020-10-15 23:59:33,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 130 flow [2020-10-15 23:59:33,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 39 transitions, 128 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-15 23:59:33,434 INFO L241 Difference]: Finished difference. Result has 38 places, 39 transitions, 128 flow [2020-10-15 23:59:33,435 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=38, PETRI_TRANSITIONS=39} [2020-10-15 23:59:33,435 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 3 predicate places. [2020-10-15 23:59:33,436 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 39 transitions, 128 flow [2020-10-15 23:59:33,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:59:33,436 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:59:33,436 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:59:33,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 23:59:33,437 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:59:33,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:59:33,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1504962181, now seen corresponding path program 1 times [2020-10-15 23:59:33,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:59:33,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792085875] [2020-10-15 23:59:33,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:59:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:59:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:59:33,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792085875] [2020-10-15 23:59:33,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35223964] [2020-10-15 23:59:33,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:59:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:59:33,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-15 23:59:33,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:59:33,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:59:33,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:59:33,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-15 23:59:33,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887626249] [2020-10-15 23:59:33,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:59:33,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:59:33,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:59:33,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:59:33,755 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 266 [2020-10-15 23:59:33,756 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 39 transitions, 128 flow. Second operand 7 states. [2020-10-15 23:59:33,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:59:33,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 266 [2020-10-15 23:59:33,757 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:59:33,949 INFO L129 PetriNetUnfolder]: 131/358 cut-off events. [2020-10-15 23:59:33,949 INFO L130 PetriNetUnfolder]: For 249/262 co-relation queries the response was YES. [2020-10-15 23:59:33,951 INFO L80 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 358 events. 131/358 cut-off events. For 249/262 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1646 event pairs, 14 based on Foata normal form. 8/325 useless extension candidates. Maximal degree in co-relation 724. Up to 90 conditions per place. [2020-10-15 23:59:33,955 INFO L132 encePairwiseOnDemand]: 260/266 looper letters, 28 selfloop transitions, 12 changer transitions 0/64 dead transitions. [2020-10-15 23:59:33,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 64 transitions, 299 flow [2020-10-15 23:59:33,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:59:33,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-15 23:59:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1337 transitions. [2020-10-15 23:59:33,960 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8377192982456141 [2020-10-15 23:59:33,960 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1337 transitions. [2020-10-15 23:59:33,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1337 transitions. [2020-10-15 23:59:33,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:59:33,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1337 transitions. [2020-10-15 23:59:33,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-15 23:59:33,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-15 23:59:33,968 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-15 23:59:33,968 INFO L185 Difference]: Start difference. First operand has 38 places, 39 transitions, 128 flow. Second operand 6 states and 1337 transitions. [2020-10-15 23:59:33,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 64 transitions, 299 flow [2020-10-15 23:59:33,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 64 transitions, 292 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-15 23:59:33,972 INFO L241 Difference]: Finished difference. Result has 44 places, 47 transitions, 207 flow [2020-10-15 23:59:33,973 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=207, PETRI_PLACES=44, PETRI_TRANSITIONS=47} [2020-10-15 23:59:33,974 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 9 predicate places. [2020-10-15 23:59:33,974 INFO L481 AbstractCegarLoop]: Abstraction has has 44 places, 47 transitions, 207 flow [2020-10-15 23:59:33,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:59:33,974 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:59:33,974 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:59:34,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:59:34,189 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:59:34,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:59:34,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1901332939, now seen corresponding path program 1 times [2020-10-15 23:59:34,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:59:34,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527482248] [2020-10-15 23:59:34,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:59:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:59:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:59:34,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527482248] [2020-10-15 23:59:34,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:59:34,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:59:34,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706882569] [2020-10-15 23:59:34,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:59:34,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:59:34,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:59:34,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:59:34,234 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 266 [2020-10-15 23:59:34,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 47 transitions, 207 flow. Second operand 3 states. [2020-10-15 23:59:34,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:59:34,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 266 [2020-10-15 23:59:34,235 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:59:34,270 INFO L129 PetriNetUnfolder]: 17/119 cut-off events. [2020-10-15 23:59:34,270 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2020-10-15 23:59:34,271 INFO L80 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 119 events. 17/119 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 431 event pairs, 0 based on Foata normal form. 14/127 useless extension candidates. Maximal degree in co-relation 187. Up to 18 conditions per place. [2020-10-15 23:59:34,272 INFO L132 encePairwiseOnDemand]: 260/266 looper letters, 1 selfloop transitions, 6 changer transitions 0/43 dead transitions. [2020-10-15 23:59:34,272 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 43 transitions, 189 flow [2020-10-15 23:59:34,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:59:34,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:59:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 652 transitions. [2020-10-15 23:59:34,275 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8170426065162907 [2020-10-15 23:59:34,276 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 652 transitions. [2020-10-15 23:59:34,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 652 transitions. [2020-10-15 23:59:34,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:59:34,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 652 transitions. [2020-10-15 23:59:34,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:59:34,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:59:34,280 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:59:34,280 INFO L185 Difference]: Start difference. First operand has 44 places, 47 transitions, 207 flow. Second operand 3 states and 652 transitions. [2020-10-15 23:59:34,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 43 transitions, 189 flow [2020-10-15 23:59:34,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 43 transitions, 185 flow, removed 2 selfloop flow, removed 0 redundant places. [2020-10-15 23:59:34,284 INFO L241 Difference]: Finished difference. Result has 45 places, 43 transitions, 183 flow [2020-10-15 23:59:34,284 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=183, PETRI_PLACES=45, PETRI_TRANSITIONS=43} [2020-10-15 23:59:34,284 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 10 predicate places. [2020-10-15 23:59:34,285 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 43 transitions, 183 flow [2020-10-15 23:59:34,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:59:34,285 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:59:34,285 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:59:34,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 23:59:34,285 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:59:34,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:59:34,286 INFO L82 PathProgramCache]: Analyzing trace with hash 898046103, now seen corresponding path program 1 times [2020-10-15 23:59:34,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:59:34,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143090506] [2020-10-15 23:59:34,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:59:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:59:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:59:34,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143090506] [2020-10-15 23:59:34,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:59:34,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 23:59:34,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105030085] [2020-10-15 23:59:34,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:59:34,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:59:34,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:59:34,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:59:34,350 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 266 [2020-10-15 23:59:34,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 43 transitions, 183 flow. Second operand 5 states. [2020-10-15 23:59:34,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:59:34,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 266 [2020-10-15 23:59:34,351 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:59:34,443 INFO L129 PetriNetUnfolder]: 22/150 cut-off events. [2020-10-15 23:59:34,443 INFO L130 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2020-10-15 23:59:34,444 INFO L80 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 150 events. 22/150 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 575 event pairs, 0 based on Foata normal form. 2/144 useless extension candidates. Maximal degree in co-relation 280. Up to 24 conditions per place. [2020-10-15 23:59:34,445 INFO L132 encePairwiseOnDemand]: 260/266 looper letters, 20 selfloop transitions, 10 changer transitions 0/54 dead transitions. [2020-10-15 23:59:34,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 54 transitions, 277 flow [2020-10-15 23:59:34,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 23:59:34,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-15 23:59:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1109 transitions. [2020-10-15 23:59:34,450 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8338345864661654 [2020-10-15 23:59:34,450 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1109 transitions. [2020-10-15 23:59:34,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1109 transitions. [2020-10-15 23:59:34,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:59:34,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1109 transitions. [2020-10-15 23:59:34,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-15 23:59:34,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-15 23:59:34,459 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-15 23:59:34,459 INFO L185 Difference]: Start difference. First operand has 45 places, 43 transitions, 183 flow. Second operand 5 states and 1109 transitions. [2020-10-15 23:59:34,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 54 transitions, 277 flow [2020-10-15 23:59:34,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 54 transitions, 271 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-15 23:59:34,463 INFO L241 Difference]: Finished difference. Result has 50 places, 45 transitions, 227 flow [2020-10-15 23:59:34,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=227, PETRI_PLACES=50, PETRI_TRANSITIONS=45} [2020-10-15 23:59:34,464 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 15 predicate places. [2020-10-15 23:59:34,464 INFO L481 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 227 flow [2020-10-15 23:59:34,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:59:34,465 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:59:34,465 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:59:34,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 23:59:34,465 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:59:34,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:59:34,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1719850107, now seen corresponding path program 1 times [2020-10-15 23:59:34,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:59:34,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770816970] [2020-10-15 23:59:34,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:59:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:59:34,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:59:34,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770816970] [2020-10-15 23:59:34,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:59:34,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 23:59:34,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671934266] [2020-10-15 23:59:34,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 23:59:34,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:59:34,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 23:59:34,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-15 23:59:34,806 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 266 [2020-10-15 23:59:34,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 227 flow. Second operand 9 states. [2020-10-15 23:59:34,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:59:34,807 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 266 [2020-10-15 23:59:34,808 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:59:35,256 INFO L129 PetriNetUnfolder]: 226/707 cut-off events. [2020-10-15 23:59:35,257 INFO L130 PetriNetUnfolder]: For 560/560 co-relation queries the response was YES. [2020-10-15 23:59:35,260 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1612 conditions, 707 events. 226/707 cut-off events. For 560/560 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4196 event pairs, 23 based on Foata normal form. 0/661 useless extension candidates. Maximal degree in co-relation 395. Up to 206 conditions per place. [2020-10-15 23:59:35,265 INFO L132 encePairwiseOnDemand]: 258/266 looper letters, 47 selfloop transitions, 9 changer transitions 0/84 dead transitions. [2020-10-15 23:59:35,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 84 transitions, 458 flow [2020-10-15 23:59:35,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 23:59:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-15 23:59:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1397 transitions. [2020-10-15 23:59:35,272 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6564849624060151 [2020-10-15 23:59:35,272 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1397 transitions. [2020-10-15 23:59:35,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1397 transitions. [2020-10-15 23:59:35,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:59:35,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1397 transitions. [2020-10-15 23:59:35,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-15 23:59:35,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-15 23:59:35,281 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-15 23:59:35,282 INFO L185 Difference]: Start difference. First operand has 50 places, 45 transitions, 227 flow. Second operand 8 states and 1397 transitions. [2020-10-15 23:59:35,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 84 transitions, 458 flow [2020-10-15 23:59:35,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 84 transitions, 445 flow, removed 3 selfloop flow, removed 2 redundant places. [2020-10-15 23:59:35,287 INFO L241 Difference]: Finished difference. Result has 60 places, 53 transitions, 282 flow [2020-10-15 23:59:35,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=282, PETRI_PLACES=60, PETRI_TRANSITIONS=53} [2020-10-15 23:59:35,288 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 25 predicate places. [2020-10-15 23:59:35,288 INFO L481 AbstractCegarLoop]: Abstraction has has 60 places, 53 transitions, 282 flow [2020-10-15 23:59:35,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 23:59:35,288 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:59:35,288 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-15 23:59:35,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 23:59:35,289 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:59:35,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:59:35,289 INFO L82 PathProgramCache]: Analyzing trace with hash 774279678, now seen corresponding path program 2 times [2020-10-15 23:59:35,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:59:35,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300622932] [2020-10-15 23:59:35,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:59:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:59:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:59:35,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300622932] [2020-10-15 23:59:35,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802982774] [2020-10-15 23:59:35,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:59:35,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 23:59:35,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:59:35,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 23:59:35,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:59:35,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:59:35,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:59:35,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-15 23:59:35,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482346274] [2020-10-15 23:59:35,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 23:59:35,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:59:35,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 23:59:35,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-15 23:59:35,515 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 266 [2020-10-15 23:59:35,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 53 transitions, 282 flow. Second operand 9 states. [2020-10-15 23:59:35,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:59:35,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 266 [2020-10-15 23:59:35,517 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:59:35,655 INFO L129 PetriNetUnfolder]: 39/251 cut-off events. [2020-10-15 23:59:35,655 INFO L130 PetriNetUnfolder]: For 260/260 co-relation queries the response was YES. [2020-10-15 23:59:35,656 INFO L80 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 251 events. 39/251 cut-off events. For 260/260 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1147 event pairs, 1 based on Foata normal form. 2/236 useless extension candidates. Maximal degree in co-relation 532. Up to 48 conditions per place. [2020-10-15 23:59:35,658 INFO L132 encePairwiseOnDemand]: 260/266 looper letters, 29 selfloop transitions, 11 changer transitions 0/70 dead transitions. [2020-10-15 23:59:35,659 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 70 transitions, 439 flow [2020-10-15 23:59:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 23:59:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-15 23:59:35,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1548 transitions. [2020-10-15 23:59:35,666 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8313641245972073 [2020-10-15 23:59:35,666 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1548 transitions. [2020-10-15 23:59:35,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1548 transitions. [2020-10-15 23:59:35,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:59:35,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1548 transitions. [2020-10-15 23:59:35,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-15 23:59:35,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-15 23:59:35,678 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-15 23:59:35,678 INFO L185 Difference]: Start difference. First operand has 60 places, 53 transitions, 282 flow. Second operand 7 states and 1548 transitions. [2020-10-15 23:59:35,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 70 transitions, 439 flow [2020-10-15 23:59:35,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 70 transitions, 439 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-15 23:59:35,684 INFO L241 Difference]: Finished difference. Result has 68 places, 57 transitions, 350 flow [2020-10-15 23:59:35,685 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=350, PETRI_PLACES=68, PETRI_TRANSITIONS=57} [2020-10-15 23:59:35,685 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 33 predicate places. [2020-10-15 23:59:35,685 INFO L481 AbstractCegarLoop]: Abstraction has has 68 places, 57 transitions, 350 flow [2020-10-15 23:59:35,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 23:59:35,686 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:59:35,686 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:59:35,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:59:35,900 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:59:35,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:59:35,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1391228873, now seen corresponding path program 1 times [2020-10-15 23:59:35,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:59:35,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493082652] [2020-10-15 23:59:35,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:59:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 23:59:35,950 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 23:59:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 23:59:35,990 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 23:59:36,019 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 23:59:36,020 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 23:59:36,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 23:59:36,021 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 23:59:36,021 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 23:59:36,022 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 23:59:36,028 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [552] [552] L3-->L977-1: Formula: (and (not (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out1510944253 0)) (let ((.cse0 (mod t1Thread1of1ForFork0_~tmp~0_In1510944253 4294967296))) (let ((.cse1 (<= .cse0 2147483647))) (or (and (= (+ .cse0 (- 4294967296)) |t1Thread1of1ForFork0_push_#in~x_Out1510944253|) (not .cse1)) (and (= .cse0 |t1Thread1of1ForFork0_push_#in~x_Out1510944253|) .cse1)))) (= |t1Thread1of1ForFork0_push_#in~stack.offset_Out1510944253| |~#arr~0.offset_In1510944253|) (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out1510944253 |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In1510944253|) (= |t1Thread1of1ForFork0_push_#in~stack.base_Out1510944253| |~#arr~0.base_In1510944253|)) InVars {~#arr~0.offset=|~#arr~0.offset_In1510944253|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In1510944253, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In1510944253|, ~#arr~0.base=|~#arr~0.base_In1510944253|} OutVars{~#arr~0.offset=|~#arr~0.offset_In1510944253|, t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out1510944253|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out1510944253, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out1510944253|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In1510944253, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out1510944253|, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In1510944253|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out1510944253|, ~#arr~0.base=|~#arr~0.base_In1510944253|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, t1Thread1of1ForFork0_assume_abort_if_not_~cond, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset] because there is no mapped edge [2020-10-15 23:59:36,032 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [551] [551] L977-2-->L980: Formula: (and (not (= |t1Thread1of1ForFork0_#t~ret44_In-1823605989| (- 1))) (<= |t1Thread1of1ForFork0_#t~ret44_In-1823605989| 2147483647) (<= 0 (+ |t1Thread1of1ForFork0_#t~ret44_In-1823605989| 2147483648)) (= ~flag~0_Out-1823605989 1)) InVars {t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_In-1823605989|} OutVars{t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_Out-1823605989|, ~flag~0=~flag~0_Out-1823605989} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret44, ~flag~0] because there is no mapped edge [2020-10-15 23:59:36,038 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [561] [561] L992-4-->L987-6: Formula: (and (= (store |#pthreadsMutex_In209856518| |~#m~0.base_In209856518| (store (select |#pthreadsMutex_In209856518| |~#m~0.base_In209856518|) |~#m~0.offset_In209856518| 0)) |#pthreadsMutex_Out209856518|) (not (= (- 2) |t2Thread1of1ForFork1_#t~ret47_In209856518|)) (= t2Thread1of1ForFork1_~i~1_Out209856518 (+ t2Thread1of1ForFork1_~i~1_In209856518 1))) InVars {#pthreadsMutex=|#pthreadsMutex_In209856518|, ~#m~0.base=|~#m~0.base_In209856518|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In209856518|, ~#m~0.offset=|~#m~0.offset_In209856518|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In209856518} OutVars{#pthreadsMutex=|#pthreadsMutex_Out209856518|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out209856518|, ~#m~0.base=|~#m~0.base_In209856518|, ~#m~0.offset=|~#m~0.offset_In209856518|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out209856518|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out209856518} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-10-15 23:59:36,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 11:59:36 BasicIcfg [2020-10-15 23:59:36,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 23:59:36,090 INFO L168 Benchmark]: Toolchain (without parser) took 10210.40 ms. Allocated memory was 251.1 MB in the beginning and 483.4 MB in the end (delta: 232.3 MB). Free memory was 206.9 MB in the beginning and 372.8 MB in the end (delta: -165.9 MB). Peak memory consumption was 66.3 MB. Max. memory is 14.2 GB. [2020-10-15 23:59:36,090 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 23:59:36,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 971.76 ms. Allocated memory was 251.1 MB in the beginning and 312.5 MB in the end (delta: 61.3 MB). Free memory was 206.9 MB in the beginning and 240.5 MB in the end (delta: -33.6 MB). Peak memory consumption was 38.0 MB. Max. memory is 14.2 GB. [2020-10-15 23:59:36,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.05 ms. Allocated memory is still 312.5 MB. Free memory was 240.5 MB in the beginning and 237.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 23:59:36,093 INFO L168 Benchmark]: Boogie Preprocessor took 58.42 ms. Allocated memory is still 312.5 MB. Free memory was 237.9 MB in the beginning and 235.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 23:59:36,094 INFO L168 Benchmark]: RCFGBuilder took 747.24 ms. Allocated memory is still 312.5 MB. Free memory was 235.4 MB in the beginning and 200.7 MB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 14.2 GB. [2020-10-15 23:59:36,095 INFO L168 Benchmark]: TraceAbstraction took 8351.40 ms. Allocated memory was 312.5 MB in the beginning and 483.4 MB in the end (delta: 170.9 MB). Free memory was 200.7 MB in the beginning and 372.8 MB in the end (delta: -172.2 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 23:59:36,099 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 971.76 ms. Allocated memory was 251.1 MB in the beginning and 312.5 MB in the end (delta: 61.3 MB). Free memory was 206.9 MB in the beginning and 240.5 MB in the end (delta: -33.6 MB). Peak memory consumption was 38.0 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 75.05 ms. Allocated memory is still 312.5 MB. Free memory was 240.5 MB in the beginning and 237.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 58.42 ms. Allocated memory is still 312.5 MB. Free memory was 237.9 MB in the beginning and 235.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 747.24 ms. Allocated memory is still 312.5 MB. Free memory was 235.4 MB in the beginning and 200.7 MB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 8351.40 ms. Allocated memory was 312.5 MB in the beginning and 483.4 MB in the end (delta: 170.9 MB). Free memory was 200.7 MB in the beginning and 372.8 MB in the end (delta: -172.2 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4626 VarBasedMoverChecksPositive, 70 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 53 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 330 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.3s, 129 PlacesBefore, 35 PlacesAfterwards, 133 TransitionsBefore, 34 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 6 FixpointIterations, 20 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 5 ChoiceCompositions, 121 TotalNumberOfCompositions, 9423 MoverChecksTotal - CounterExampleResult [Line: 922]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L916] 0 static int top=0; [L917] 0 static unsigned int arr[(800)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1001] 0 pthread_t id1, id2; [L1003] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={7:0}, flag=0, m={9:0}, top=0] [L970] 1 int i; [L971] 1 unsigned int tmp; [L972] 1 i=0 VAL [arr={7:0}, flag=0, m={9:0}, top=0] [L972] COND TRUE 1 i<(800) [L975] 1 tmp = __VERIFIER_nondet_uint() [L942] COND FALSE 1 !(top==(800)) [L934] 1 return top; [L949] 1 stack[get_top()] = x [L926] 1 top++ [L952] 1 return 0; [L972] 1 i++ VAL [arr={7:0}, flag=1, m={9:0}, top=1] [L1004] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={7:0}, flag=1, m={9:0}, top=1] [L986] 2 int i; [L987] 2 i=0 VAL [arr={7:0}, flag=1, m={9:0}, top=1] [L987] COND TRUE 2 i<(800) [L990] COND TRUE 2 \read(flag) [L934] 2 return top; [L956] COND FALSE 2 !(get_top()==0) [L930] 2 top-- [L934] 2 return top; VAL [arr={7:0}, flag=1, m={9:0}, top=0] [L964] EXPR 2 stack[get_top()] [L964] 2 return stack[get_top()]; [L987] COND TRUE 2 i<(800) [L990] COND TRUE 2 \read(flag) [L934] 2 return top; [L956] COND TRUE 2 get_top()==0 [L959] 2 return (-2); [L992] COND TRUE 2 !(pop(arr)!=(-2)) [L922] 2 __VERIFIER_error() VAL [arr={7:0}, flag=1, m={9:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8.1s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 49 SDtfs, 85 SDslu, 57 SDs, 0 SdLazy, 346 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=350occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 18710 SizeOfPredicates, 5 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 6/34 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...