/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-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-lit/fkp2014.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 22:19:26,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 22:19:26,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 22:19:26,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 22:19:26,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 22:19:26,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 22:19:26,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 22:19:26,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 22:19:26,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 22:19:26,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 22:19:26,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 22:19:26,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 22:19:26,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 22:19:26,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 22:19:26,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 22:19:26,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 22:19:26,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 22:19:26,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 22:19:26,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 22:19:26,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 22:19:26,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 22:19:26,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 22:19:26,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 22:19:26,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 22:19:26,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 22:19:26,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 22:19:26,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 22:19:26,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 22:19:26,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 22:19:26,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 22:19:26,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 22:19:26,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 22:19:26,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 22:19:26,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 22:19:26,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 22:19:26,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 22:19:26,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 22:19:26,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 22:19:26,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 22:19:26,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 22:19:26,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 22:19:26,618 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-FA-SemanticLbe.epf [2020-10-15 22:19:26,638 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 22:19:26,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 22:19:26,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 22:19:26,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 22:19:26,640 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 22:19:26,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 22:19:26,641 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 22:19:26,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 22:19:26,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 22:19:26,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 22:19:26,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 22:19:26,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 22:19:26,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 22:19:26,642 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 22:19:26,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 22:19:26,642 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 22:19:26,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 22:19:26,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 22:19:26,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 22:19:26,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 22:19:26,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 22:19:26,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 22:19:26,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 22:19:26,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 22:19:26,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 22:19:26,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 22:19:26,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 22:19:26,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 22:19:26,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 22:19:26,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 22:19:26,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 22:19:26,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 22:19:26,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 22:19:26,958 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 22:19:26,959 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2014.i [2020-10-15 22:19:27,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b13875d/adc5202170074d40ab50348e6c9d6856/FLAG292b5a742 [2020-10-15 22:19:27,460 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 22:19:27,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2014.i [2020-10-15 22:19:27,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b13875d/adc5202170074d40ab50348e6c9d6856/FLAG292b5a742 [2020-10-15 22:19:27,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b13875d/adc5202170074d40ab50348e6c9d6856 [2020-10-15 22:19:27,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 22:19:27,845 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 22:19:27,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 22:19:27,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 22:19:27,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 22:19:27,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:19:27" (1/1) ... [2020-10-15 22:19:27,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53106919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:27, skipping insertion in model container [2020-10-15 22:19:27,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:19:27" (1/1) ... [2020-10-15 22:19:27,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 22:19:27,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 22:19:28,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 22:19:28,371 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 22:19:28,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 22:19:28,514 INFO L208 MainTranslator]: Completed translation [2020-10-15 22:19:28,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:28 WrapperNode [2020-10-15 22:19:28,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 22:19:28,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 22:19:28,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 22:19:28,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 22:19:28,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:28" (1/1) ... [2020-10-15 22:19:28,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:28" (1/1) ... [2020-10-15 22:19:28,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 22:19:28,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 22:19:28,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 22:19:28,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 22:19:28,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:28" (1/1) ... [2020-10-15 22:19:28,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:28" (1/1) ... [2020-10-15 22:19:28,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:28" (1/1) ... [2020-10-15 22:19:28,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:28" (1/1) ... [2020-10-15 22:19:28,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:28" (1/1) ... [2020-10-15 22:19:28,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:28" (1/1) ... [2020-10-15 22:19:28,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:28" (1/1) ... [2020-10-15 22:19:28,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 22:19:28,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 22:19:28,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 22:19:28,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 22:19:28,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:28" (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 22:19:28,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 22:19:28,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-15 22:19:28,644 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2020-10-15 22:19:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2020-10-15 22:19:28,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 22:19:28,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 22:19:28,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-15 22:19:28,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 22:19:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 22:19:28,647 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 22:19:29,008 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 22:19:29,008 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-15 22:19:29,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:19:29 BoogieIcfgContainer [2020-10-15 22:19:29,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 22:19:29,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 22:19:29,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 22:19:29,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 22:19:29,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:19:27" (1/3) ... [2020-10-15 22:19:29,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe5514e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:19:29, skipping insertion in model container [2020-10-15 22:19:29,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:28" (2/3) ... [2020-10-15 22:19:29,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe5514e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:19:29, skipping insertion in model container [2020-10-15 22:19:29,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:19:29" (3/3) ... [2020-10-15 22:19:29,019 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2014.i [2020-10-15 22:19:29,028 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 22:19:29,029 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 22:19:29,035 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 22:19:29,036 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 22:19:29,054 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,054 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,054 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,055 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,055 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,055 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,056 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,056 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,056 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,056 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,057 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,057 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,057 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,057 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,058 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,058 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,061 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,061 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,062 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,062 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,062 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,062 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,063 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,063 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:29,080 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-15 22:19:29,096 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 22:19:29,096 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 22:19:29,096 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 22:19:29,097 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 22:19:29,097 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 22:19:29,097 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 22:19:29,097 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 22:19:29,097 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 22:19:29,108 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 22:19:29,111 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 50 transitions, 105 flow [2020-10-15 22:19:29,113 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 50 transitions, 105 flow [2020-10-15 22:19:29,115 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 50 places, 50 transitions, 105 flow [2020-10-15 22:19:29,151 INFO L129 PetriNetUnfolder]: 4/59 cut-off events. [2020-10-15 22:19:29,151 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 22:19:29,156 INFO L80 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 59 events. 4/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 30. Up to 4 conditions per place. [2020-10-15 22:19:29,157 INFO L117 LiptonReduction]: Number of co-enabled transitions 392 [2020-10-15 22:19:30,141 INFO L132 LiptonReduction]: Checked pairs total: 364 [2020-10-15 22:19:30,142 INFO L134 LiptonReduction]: Total number of compositions: 53 [2020-10-15 22:19:30,148 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 8 transitions, 21 flow [2020-10-15 22:19:30,157 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-15 22:19:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-15 22:19:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-15 22:19:30,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:30,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-15 22:19:30,166 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:30,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:30,172 INFO L82 PathProgramCache]: Analyzing trace with hash 6946921, now seen corresponding path program 1 times [2020-10-15 22:19:30,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:30,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082297412] [2020-10-15 22:19:30,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:30,368 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 22:19:30,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082297412] [2020-10-15 22:19:30,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:19:30,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 22:19:30,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565197514] [2020-10-15 22:19:30,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 22:19:30,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:19:30,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 22:19:30,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:19:30,392 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-10-15 22:19:30,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:19:30,412 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2020-10-15 22:19:30,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 22:19:30,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-15 22:19:30,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:19:30,423 INFO L225 Difference]: With dead ends: 14 [2020-10-15 22:19:30,423 INFO L226 Difference]: Without dead ends: 11 [2020-10-15 22:19:30,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:19:30,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-10-15 22:19:30,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-10-15 22:19:30,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-15 22:19:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-10-15 22:19:30,452 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2020-10-15 22:19:30,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:19:30,452 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-10-15 22:19:30,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 22:19:30,453 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-10-15 22:19:30,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-15 22:19:30,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:30,453 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-15 22:19:30,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 22:19:30,454 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:30,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:30,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1913958713, now seen corresponding path program 1 times [2020-10-15 22:19:30,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:30,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336708774] [2020-10-15 22:19:30,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:19:30,481 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:19:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:19:30,495 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:19:30,515 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 22:19:30,516 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 22:19:30,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 22:19:30,517 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 22:19:30,518 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 22:19:30,519 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-15 22:19:30,525 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,526 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,526 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,526 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,526 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,527 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,527 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,527 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,527 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,528 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,528 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,528 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,528 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,528 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,529 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,529 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,529 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,529 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,530 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,530 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,530 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,530 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,530 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,531 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,531 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,531 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,531 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,531 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,532 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,532 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,532 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,532 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,533 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,533 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,533 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,533 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,533 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,534 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,534 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,534 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,541 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,541 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,541 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,541 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,541 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,542 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,542 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,542 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:30,544 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-15 22:19:30,544 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 22:19:30,544 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 22:19:30,545 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 22:19:30,545 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 22:19:30,545 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 22:19:30,545 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 22:19:30,545 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 22:19:30,545 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 22:19:30,548 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 22:19:30,548 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 65 transitions, 142 flow [2020-10-15 22:19:30,549 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 65 transitions, 142 flow [2020-10-15 22:19:30,549 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 66 places, 65 transitions, 142 flow [2020-10-15 22:19:30,569 INFO L129 PetriNetUnfolder]: 6/87 cut-off events. [2020-10-15 22:19:30,570 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 22:19:30,572 INFO L80 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 87 events. 6/87 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 133 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2020-10-15 22:19:30,574 INFO L117 LiptonReduction]: Number of co-enabled transitions 1204 [2020-10-15 22:19:31,595 INFO L132 LiptonReduction]: Checked pairs total: 1856 [2020-10-15 22:19:31,595 INFO L134 LiptonReduction]: Total number of compositions: 63 [2020-10-15 22:19:31,595 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 17 transitions, 46 flow [2020-10-15 22:19:31,605 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 179 states. [2020-10-15 22:19:31,605 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-10-15 22:19:31,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 22:19:31,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:31,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 22:19:31,607 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:31,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:31,607 INFO L82 PathProgramCache]: Analyzing trace with hash 351183459, now seen corresponding path program 1 times [2020-10-15 22:19:31,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:31,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227773070] [2020-10-15 22:19:31,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:31,654 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 22:19:31,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227773070] [2020-10-15 22:19:31,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:19:31,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:19:31,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962313182] [2020-10-15 22:19:31,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 22:19:31,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:19:31,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 22:19:31,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:19:31,656 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 4 states. [2020-10-15 22:19:31,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:19:31,701 INFO L93 Difference]: Finished difference Result 132 states and 285 transitions. [2020-10-15 22:19:31,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 22:19:31,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-10-15 22:19:31,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:19:31,705 INFO L225 Difference]: With dead ends: 132 [2020-10-15 22:19:31,705 INFO L226 Difference]: Without dead ends: 123 [2020-10-15 22:19:31,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:19:31,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-15 22:19:31,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-10-15 22:19:31,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-15 22:19:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 265 transitions. [2020-10-15 22:19:31,724 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 265 transitions. Word has length 5 [2020-10-15 22:19:31,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:19:31,724 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 265 transitions. [2020-10-15 22:19:31,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 22:19:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 265 transitions. [2020-10-15 22:19:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 22:19:31,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:31,726 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-10-15 22:19:31,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 22:19:31,726 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:31,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:31,727 INFO L82 PathProgramCache]: Analyzing trace with hash -940648467, now seen corresponding path program 1 times [2020-10-15 22:19:31,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:31,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963828326] [2020-10-15 22:19:31,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:19:31,745 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:19:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:19:31,758 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:19:31,764 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 22:19:31,764 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 22:19:31,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 22:19:31,764 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 22:19:31,765 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 22:19:31,768 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-15 22:19:31,775 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,775 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,775 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,775 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,775 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,775 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,776 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,776 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,776 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,776 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,776 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,776 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,777 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,777 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,777 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,777 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,778 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,778 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,778 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,778 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,778 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,778 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,779 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,779 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,779 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,779 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,779 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,779 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,780 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,780 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,780 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,780 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,781 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,781 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,781 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,781 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,781 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,781 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,782 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,782 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,782 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,782 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,782 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,782 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,783 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,783 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,783 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,783 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,783 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,784 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,784 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,784 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,784 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,784 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,784 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,785 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,788 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,788 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,789 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,789 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,789 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,789 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,789 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,789 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,790 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,790 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,791 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,791 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,791 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,791 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,791 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,791 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:31,792 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 22:19:31,793 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 22:19:31,793 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 22:19:31,793 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 22:19:31,793 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 22:19:31,793 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 22:19:31,793 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 22:19:31,794 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 22:19:31,794 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 22:19:31,796 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 22:19:31,796 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 80 transitions, 181 flow [2020-10-15 22:19:31,796 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 80 transitions, 181 flow [2020-10-15 22:19:31,796 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 82 places, 80 transitions, 181 flow [2020-10-15 22:19:31,819 INFO L129 PetriNetUnfolder]: 8/115 cut-off events. [2020-10-15 22:19:31,819 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-15 22:19:31,821 INFO L80 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 115 events. 8/115 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 209 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 91. Up to 8 conditions per place. [2020-10-15 22:19:31,824 INFO L117 LiptonReduction]: Number of co-enabled transitions 2436 [2020-10-15 22:19:33,094 INFO L132 LiptonReduction]: Checked pairs total: 4241 [2020-10-15 22:19:33,094 INFO L134 LiptonReduction]: Total number of compositions: 81 [2020-10-15 22:19:33,095 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 23 transitions, 67 flow [2020-10-15 22:19:33,137 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 904 states. [2020-10-15 22:19:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states. [2020-10-15 22:19:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 22:19:33,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:33,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 22:19:33,139 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:33,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:33,139 INFO L82 PathProgramCache]: Analyzing trace with hash 518765162, now seen corresponding path program 1 times [2020-10-15 22:19:33,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:33,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138888454] [2020-10-15 22:19:33,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:33,203 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 22:19:33,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138888454] [2020-10-15 22:19:33,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:19:33,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:19:33,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157395572] [2020-10-15 22:19:33,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 22:19:33,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:19:33,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 22:19:33,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:19:33,206 INFO L87 Difference]: Start difference. First operand 904 states. Second operand 4 states. [2020-10-15 22:19:33,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:19:33,279 INFO L93 Difference]: Finished difference Result 642 states and 1833 transitions. [2020-10-15 22:19:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 22:19:33,280 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-10-15 22:19:33,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:19:33,291 INFO L225 Difference]: With dead ends: 642 [2020-10-15 22:19:33,292 INFO L226 Difference]: Without dead ends: 625 [2020-10-15 22:19:33,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:19:33,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2020-10-15 22:19:33,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 625. [2020-10-15 22:19:33,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-10-15 22:19:33,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1781 transitions. [2020-10-15 22:19:33,355 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1781 transitions. Word has length 5 [2020-10-15 22:19:33,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:19:33,356 INFO L481 AbstractCegarLoop]: Abstraction has 625 states and 1781 transitions. [2020-10-15 22:19:33,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 22:19:33,359 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1781 transitions. [2020-10-15 22:19:33,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 22:19:33,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:33,361 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:19:33,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 22:19:33,364 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:33,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:33,364 INFO L82 PathProgramCache]: Analyzing trace with hash -569599221, now seen corresponding path program 1 times [2020-10-15 22:19:33,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:33,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503844057] [2020-10-15 22:19:33,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:19:33,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503844057] [2020-10-15 22:19:33,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574837775] [2020-10-15 22:19:33,476 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 22:19:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:33,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 22:19:33,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 22:19:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:19:33,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 22:19:33,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2020-10-15 22:19:33,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983122501] [2020-10-15 22:19:33,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 22:19:33,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:19:33,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 22:19:33,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-15 22:19:33,625 INFO L87 Difference]: Start difference. First operand 625 states and 1781 transitions. Second operand 10 states. [2020-10-15 22:19:33,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:19:33,850 INFO L93 Difference]: Finished difference Result 527 states and 1465 transitions. [2020-10-15 22:19:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 22:19:33,851 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2020-10-15 22:19:33,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:19:33,855 INFO L225 Difference]: With dead ends: 527 [2020-10-15 22:19:33,855 INFO L226 Difference]: Without dead ends: 509 [2020-10-15 22:19:33,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-15 22:19:33,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-10-15 22:19:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 489. [2020-10-15 22:19:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-10-15 22:19:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 1391 transitions. [2020-10-15 22:19:33,883 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 1391 transitions. Word has length 12 [2020-10-15 22:19:33,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:19:33,883 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 1391 transitions. [2020-10-15 22:19:33,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 22:19:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1391 transitions. [2020-10-15 22:19:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 22:19:33,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:33,886 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-10-15 22:19:34,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-15 22:19:34,101 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:34,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:34,102 INFO L82 PathProgramCache]: Analyzing trace with hash 951423672, now seen corresponding path program 1 times [2020-10-15 22:19:34,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:34,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933828527] [2020-10-15 22:19:34,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:19:34,118 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:19:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:19:34,130 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:19:34,136 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 22:19:34,136 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 22:19:34,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 22:19:34,137 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 22:19:34,137 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 22:19:34,138 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-15 22:19:34,145 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,145 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,146 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,146 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,146 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,146 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,146 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,146 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,147 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,147 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,147 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,147 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,147 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,148 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,148 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,148 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,148 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,148 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,148 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,149 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,149 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,149 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,149 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,149 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,149 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,150 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,150 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,150 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,150 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,150 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,150 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,151 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,151 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,151 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,151 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,151 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,151 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,152 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,152 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,152 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,152 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,152 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,152 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,153 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,153 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,153 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,153 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,153 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,154 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,154 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,154 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,154 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,154 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,154 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,155 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,155 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,155 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,155 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,155 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,155 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,156 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,156 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,156 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,156 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,157 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,157 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,157 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,157 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,158 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,158 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,158 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,158 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,159 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,160 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,160 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,160 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,160 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,160 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,160 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,161 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,162 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,162 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,162 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,162 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,162 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,162 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,163 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,163 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,168 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,168 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,169 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,169 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,169 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,169 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,169 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,169 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:34,170 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 22:19:34,170 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 22:19:34,170 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 22:19:34,170 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 22:19:34,170 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 22:19:34,171 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 22:19:34,171 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 22:19:34,171 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 22:19:34,171 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 22:19:34,173 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 22:19:34,173 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 95 transitions, 222 flow [2020-10-15 22:19:34,174 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 95 transitions, 222 flow [2020-10-15 22:19:34,174 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 98 places, 95 transitions, 222 flow [2020-10-15 22:19:34,199 INFO L129 PetriNetUnfolder]: 10/143 cut-off events. [2020-10-15 22:19:34,199 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-15 22:19:34,201 INFO L80 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 143 events. 10/143 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 275 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 123. Up to 10 conditions per place. [2020-10-15 22:19:34,206 INFO L117 LiptonReduction]: Number of co-enabled transitions 4088 [2020-10-15 22:19:35,584 INFO L132 LiptonReduction]: Checked pairs total: 7309 [2020-10-15 22:19:35,584 INFO L134 LiptonReduction]: Total number of compositions: 97 [2020-10-15 22:19:35,585 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 28 transitions, 88 flow [2020-10-15 22:19:35,831 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4529 states. [2020-10-15 22:19:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 4529 states. [2020-10-15 22:19:35,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 22:19:35,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:35,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 22:19:35,832 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:35,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:35,832 INFO L82 PathProgramCache]: Analyzing trace with hash 716409161, now seen corresponding path program 1 times [2020-10-15 22:19:35,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:35,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987018269] [2020-10-15 22:19:35,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:35,860 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 22:19:35,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987018269] [2020-10-15 22:19:35,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:19:35,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:19:35,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114111098] [2020-10-15 22:19:35,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 22:19:35,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:19:35,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 22:19:35,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:19:35,862 INFO L87 Difference]: Start difference. First operand 4529 states. Second operand 4 states. [2020-10-15 22:19:35,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:19:35,977 INFO L93 Difference]: Finished difference Result 3254 states and 11694 transitions. [2020-10-15 22:19:35,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 22:19:35,978 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-10-15 22:19:35,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:19:36,005 INFO L225 Difference]: With dead ends: 3254 [2020-10-15 22:19:36,005 INFO L226 Difference]: Without dead ends: 3221 [2020-10-15 22:19:36,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:19:36,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3221 states. [2020-10-15 22:19:36,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3221 to 3221. [2020-10-15 22:19:36,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3221 states. [2020-10-15 22:19:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3221 states to 3221 states and 11562 transitions. [2020-10-15 22:19:36,185 INFO L78 Accepts]: Start accepts. Automaton has 3221 states and 11562 transitions. Word has length 5 [2020-10-15 22:19:36,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:19:36,186 INFO L481 AbstractCegarLoop]: Abstraction has 3221 states and 11562 transitions. [2020-10-15 22:19:36,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 22:19:36,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3221 states and 11562 transitions. [2020-10-15 22:19:36,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 22:19:36,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:36,188 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:19:36,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 22:19:36,189 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:36,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:36,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1753172806, now seen corresponding path program 1 times [2020-10-15 22:19:36,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:36,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463205210] [2020-10-15 22:19:36,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:19:36,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463205210] [2020-10-15 22:19:36,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337788624] [2020-10-15 22:19:36,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 22:19:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:36,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 22:19:36,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 22:19:36,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:19:36,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 22:19:36,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2020-10-15 22:19:36,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615767629] [2020-10-15 22:19:36,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 22:19:36,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:19:36,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 22:19:36,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-15 22:19:36,423 INFO L87 Difference]: Start difference. First operand 3221 states and 11562 transitions. Second operand 10 states. [2020-10-15 22:19:36,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:19:36,668 INFO L93 Difference]: Finished difference Result 2816 states and 9172 transitions. [2020-10-15 22:19:36,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 22:19:36,669 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2020-10-15 22:19:36,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:19:36,699 INFO L225 Difference]: With dead ends: 2816 [2020-10-15 22:19:36,699 INFO L226 Difference]: Without dead ends: 2790 [2020-10-15 22:19:36,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-15 22:19:36,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2020-10-15 22:19:36,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2595. [2020-10-15 22:19:36,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2595 states. [2020-10-15 22:19:36,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2595 states and 8729 transitions. [2020-10-15 22:19:36,806 INFO L78 Accepts]: Start accepts. Automaton has 2595 states and 8729 transitions. Word has length 12 [2020-10-15 22:19:36,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:19:36,806 INFO L481 AbstractCegarLoop]: Abstraction has 2595 states and 8729 transitions. [2020-10-15 22:19:36,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 22:19:36,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 8729 transitions. [2020-10-15 22:19:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 22:19:36,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:36,811 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:19:37,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 22:19:37,027 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:37,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:37,028 INFO L82 PathProgramCache]: Analyzing trace with hash -269703776, now seen corresponding path program 1 times [2020-10-15 22:19:37,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:37,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488769751] [2020-10-15 22:19:37,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 22:19:37,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488769751] [2020-10-15 22:19:37,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:19:37,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 22:19:37,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116821657] [2020-10-15 22:19:37,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 22:19:37,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:19:37,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 22:19:37,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:19:37,074 INFO L87 Difference]: Start difference. First operand 2595 states and 8729 transitions. Second operand 4 states. [2020-10-15 22:19:37,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:19:37,201 INFO L93 Difference]: Finished difference Result 3857 states and 13112 transitions. [2020-10-15 22:19:37,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 22:19:37,202 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-15 22:19:37,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:19:37,241 INFO L225 Difference]: With dead ends: 3857 [2020-10-15 22:19:37,241 INFO L226 Difference]: Without dead ends: 3826 [2020-10-15 22:19:37,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:19:37,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2020-10-15 22:19:37,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3432. [2020-10-15 22:19:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3432 states. [2020-10-15 22:19:37,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 3432 states and 11765 transitions. [2020-10-15 22:19:37,422 INFO L78 Accepts]: Start accepts. Automaton has 3432 states and 11765 transitions. Word has length 19 [2020-10-15 22:19:37,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:19:37,423 INFO L481 AbstractCegarLoop]: Abstraction has 3432 states and 11765 transitions. [2020-10-15 22:19:37,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 22:19:37,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3432 states and 11765 transitions. [2020-10-15 22:19:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 22:19:37,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:37,429 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:19:37,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 22:19:37,429 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:37,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:37,430 INFO L82 PathProgramCache]: Analyzing trace with hash -269143113, now seen corresponding path program 1 times [2020-10-15 22:19:37,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:37,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543577962] [2020-10-15 22:19:37,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 22:19:37,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543577962] [2020-10-15 22:19:37,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228811838] [2020-10-15 22:19:37,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 22:19:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:37,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-15 22:19:37,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 22:19:37,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 22:19:37,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 22:19:37,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2020-10-15 22:19:37,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760833635] [2020-10-15 22:19:37,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 22:19:37,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:19:37,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 22:19:37,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-10-15 22:19:37,659 INFO L87 Difference]: Start difference. First operand 3432 states and 11765 transitions. Second operand 13 states. [2020-10-15 22:19:38,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:19:38,139 INFO L93 Difference]: Finished difference Result 3416 states and 11718 transitions. [2020-10-15 22:19:38,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 22:19:38,140 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2020-10-15 22:19:38,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:19:38,165 INFO L225 Difference]: With dead ends: 3416 [2020-10-15 22:19:38,165 INFO L226 Difference]: Without dead ends: 3249 [2020-10-15 22:19:38,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2020-10-15 22:19:38,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3249 states. [2020-10-15 22:19:38,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3249 to 1959. [2020-10-15 22:19:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1959 states. [2020-10-15 22:19:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 7005 transitions. [2020-10-15 22:19:38,246 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 7005 transitions. Word has length 19 [2020-10-15 22:19:38,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:19:38,247 INFO L481 AbstractCegarLoop]: Abstraction has 1959 states and 7005 transitions. [2020-10-15 22:19:38,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 22:19:38,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 7005 transitions. [2020-10-15 22:19:38,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 22:19:38,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:38,249 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1] [2020-10-15 22:19:38,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-15 22:19:38,464 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:38,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:38,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1952082537, now seen corresponding path program 1 times [2020-10-15 22:19:38,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:38,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249236155] [2020-10-15 22:19:38,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:19:38,481 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:19:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:19:38,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:19:38,505 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 22:19:38,506 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 22:19:38,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 22:19:38,506 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 22:19:38,507 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 22:19:38,507 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-15 22:19:38,515 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,516 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,516 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,516 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,516 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,516 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,517 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,517 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,517 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,517 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,517 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,517 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,518 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,518 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,518 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,518 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,518 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,519 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,519 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,519 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,519 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,519 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,519 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,519 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,520 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,520 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,520 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,520 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,520 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,520 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,520 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,521 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,521 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,521 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,521 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,521 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,521 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,521 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,522 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,522 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,522 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,522 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,522 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,522 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,522 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,523 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,523 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,523 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,523 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,523 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,523 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,524 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,524 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,524 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,524 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,524 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,524 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,524 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,525 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,525 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,525 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,525 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,525 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,525 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,526 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,526 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,526 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,526 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,526 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,526 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,526 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,527 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,527 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,527 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,527 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,527 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,527 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,527 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,528 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,528 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,528 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,528 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,528 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,529 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,529 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,529 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,529 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,529 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,531 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,531 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,531 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,531 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,531 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,531 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,532 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,532 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,533 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,533 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,533 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,533 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,533 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,533 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,534 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,534 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,535 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,535 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,535 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,535 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,535 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,535 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,536 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,536 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,537 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,537 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,537 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,537 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,537 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,537 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,538 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,538 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:38,539 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-15 22:19:38,539 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 22:19:38,539 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 22:19:38,539 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 22:19:38,539 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 22:19:38,539 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 22:19:38,539 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 22:19:38,540 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 22:19:38,540 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 22:19:38,541 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 22:19:38,541 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 110 transitions, 265 flow [2020-10-15 22:19:38,541 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 110 transitions, 265 flow [2020-10-15 22:19:38,541 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 114 places, 110 transitions, 265 flow [2020-10-15 22:19:38,568 INFO L129 PetriNetUnfolder]: 12/171 cut-off events. [2020-10-15 22:19:38,568 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-15 22:19:38,570 INFO L80 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 171 events. 12/171 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 372 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 156. Up to 12 conditions per place. [2020-10-15 22:19:38,577 INFO L117 LiptonReduction]: Number of co-enabled transitions 6160 [2020-10-15 22:19:40,240 INFO L132 LiptonReduction]: Checked pairs total: 11445 [2020-10-15 22:19:40,242 INFO L134 LiptonReduction]: Total number of compositions: 112 [2020-10-15 22:19:40,242 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 34 transitions, 113 flow [2020-10-15 22:19:42,597 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22654 states. [2020-10-15 22:19:42,597 INFO L276 IsEmpty]: Start isEmpty. Operand 22654 states. [2020-10-15 22:19:42,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 22:19:42,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:42,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 22:19:42,598 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:42,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:42,598 INFO L82 PathProgramCache]: Analyzing trace with hash 941401394, now seen corresponding path program 1 times [2020-10-15 22:19:42,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:42,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897722629] [2020-10-15 22:19:42,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:42,626 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 22:19:42,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897722629] [2020-10-15 22:19:42,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:19:42,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:19:42,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065615596] [2020-10-15 22:19:42,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 22:19:42,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:19:42,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 22:19:42,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:19:42,627 INFO L87 Difference]: Start difference. First operand 22654 states. Second operand 4 states. [2020-10-15 22:19:43,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:19:43,071 INFO L93 Difference]: Finished difference Result 35519 states and 139174 transitions. [2020-10-15 22:19:43,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 22:19:43,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-10-15 22:19:43,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:19:43,230 INFO L225 Difference]: With dead ends: 35519 [2020-10-15 22:19:43,231 INFO L226 Difference]: Without dead ends: 35332 [2020-10-15 22:19:43,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:19:43,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35332 states. [2020-10-15 22:19:44,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35332 to 31948. [2020-10-15 22:19:44,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31948 states. [2020-10-15 22:19:44,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31948 states to 31948 states and 127634 transitions. [2020-10-15 22:19:44,666 INFO L78 Accepts]: Start accepts. Automaton has 31948 states and 127634 transitions. Word has length 5 [2020-10-15 22:19:44,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:19:44,666 INFO L481 AbstractCegarLoop]: Abstraction has 31948 states and 127634 transitions. [2020-10-15 22:19:44,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 22:19:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 31948 states and 127634 transitions. [2020-10-15 22:19:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 22:19:44,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:44,667 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:19:44,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 22:19:44,668 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:44,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:44,668 INFO L82 PathProgramCache]: Analyzing trace with hash 370507206, now seen corresponding path program 1 times [2020-10-15 22:19:44,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:44,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390169461] [2020-10-15 22:19:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:19:44,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390169461] [2020-10-15 22:19:44,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:19:44,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 22:19:44,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780053023] [2020-10-15 22:19:44,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 22:19:44,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:19:44,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 22:19:44,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-15 22:19:44,737 INFO L87 Difference]: Start difference. First operand 31948 states and 127634 transitions. Second operand 5 states. [2020-10-15 22:19:44,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:19:44,981 INFO L93 Difference]: Finished difference Result 29766 states and 110919 transitions. [2020-10-15 22:19:44,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 22:19:44,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-15 22:19:44,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:19:45,159 INFO L225 Difference]: With dead ends: 29766 [2020-10-15 22:19:45,159 INFO L226 Difference]: Without dead ends: 29390 [2020-10-15 22:19:45,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-15 22:19:47,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29390 states. [2020-10-15 22:19:47,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29390 to 19508. [2020-10-15 22:19:47,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19508 states. [2020-10-15 22:19:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19508 states to 19508 states and 76168 transitions. [2020-10-15 22:19:47,604 INFO L78 Accepts]: Start accepts. Automaton has 19508 states and 76168 transitions. Word has length 12 [2020-10-15 22:19:47,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:19:47,605 INFO L481 AbstractCegarLoop]: Abstraction has 19508 states and 76168 transitions. [2020-10-15 22:19:47,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 22:19:47,605 INFO L276 IsEmpty]: Start isEmpty. Operand 19508 states and 76168 transitions. [2020-10-15 22:19:47,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 22:19:47,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:47,607 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:19:47,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 22:19:47,607 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:47,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:47,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1160101216, now seen corresponding path program 1 times [2020-10-15 22:19:47,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:47,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657986689] [2020-10-15 22:19:47,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:19:47,656 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:19:47,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657986689] [2020-10-15 22:19:47,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:19:47,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 22:19:47,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781358895] [2020-10-15 22:19:47,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 22:19:47,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:19:47,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 22:19:47,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-15 22:19:47,658 INFO L87 Difference]: Start difference. First operand 19508 states and 76168 transitions. Second operand 6 states. [2020-10-15 22:19:47,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:19:47,895 INFO L93 Difference]: Finished difference Result 16818 states and 66546 transitions. [2020-10-15 22:19:47,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 22:19:47,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-15 22:19:47,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:19:47,957 INFO L225 Difference]: With dead ends: 16818 [2020-10-15 22:19:47,957 INFO L226 Difference]: Without dead ends: 15986 [2020-10-15 22:19:47,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-15 22:19:48,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15986 states. [2020-10-15 22:19:48,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15986 to 11735. [2020-10-15 22:19:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11735 states. [2020-10-15 22:19:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11735 states to 11735 states and 48777 transitions. [2020-10-15 22:19:48,589 INFO L78 Accepts]: Start accepts. Automaton has 11735 states and 48777 transitions. Word has length 19 [2020-10-15 22:19:48,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:19:48,591 INFO L481 AbstractCegarLoop]: Abstraction has 11735 states and 48777 transitions. [2020-10-15 22:19:48,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 22:19:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 11735 states and 48777 transitions. [2020-10-15 22:19:48,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-15 22:19:48,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:19:48,598 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:19:48,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 22:19:48,599 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:19:48,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:19:48,599 INFO L82 PathProgramCache]: Analyzing trace with hash -646932581, now seen corresponding path program 1 times [2020-10-15 22:19:48,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:19:48,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365259915] [2020-10-15 22:19:48,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:19:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:19:48,625 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:19:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:19:48,634 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:19:48,649 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 22:19:48,649 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 22:19:48,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 22:19:48,650 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 22:19:48,652 WARN L371 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 22:19:48,653 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-15 22:19:48,664 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,664 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,664 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,664 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,665 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,665 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,665 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,665 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,665 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,665 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,665 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,666 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,666 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,666 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,666 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,666 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,667 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,667 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,667 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,667 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,667 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,667 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,668 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,668 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,668 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,668 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,668 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,668 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,668 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,669 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,669 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,669 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,670 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,670 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,670 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,670 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,670 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,670 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,670 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,670 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,671 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,671 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,671 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,671 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,672 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,672 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,672 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,673 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,674 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,674 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,674 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,674 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,675 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,675 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,675 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,675 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,675 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,675 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,675 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,676 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,676 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,676 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,676 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,676 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,677 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,677 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,677 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,677 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,677 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,677 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,677 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,677 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,678 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,678 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,678 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,678 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,678 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,678 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,678 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,678 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,679 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,679 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,679 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,679 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,679 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,679 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,680 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,680 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,680 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,680 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,680 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,680 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,681 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,681 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,681 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,681 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,681 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,681 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,682 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,682 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,682 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,682 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,682 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,682 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,684 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,684 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,684 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,684 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,684 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,685 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,685 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,685 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,686 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,686 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,686 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,686 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,686 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,686 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,687 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,687 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,688 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,688 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,688 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,688 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,688 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,688 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,688 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,688 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,689 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,689 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,690 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,690 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,690 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,691 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,692 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,692 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,693 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,693 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,693 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,693 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,693 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,693 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,694 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,694 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:19:48,694 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-15 22:19:48,695 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 22:19:48,695 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 22:19:48,695 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 22:19:48,695 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 22:19:48,695 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 22:19:48,695 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 22:19:48,695 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 22:19:48,695 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 22:19:48,697 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 22:19:48,697 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 125 transitions, 310 flow [2020-10-15 22:19:48,698 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 130 places, 125 transitions, 310 flow [2020-10-15 22:19:48,698 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 130 places, 125 transitions, 310 flow [2020-10-15 22:19:48,731 INFO L129 PetriNetUnfolder]: 14/199 cut-off events. [2020-10-15 22:19:48,731 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-15 22:19:48,733 INFO L80 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 199 events. 14/199 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 435 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 190. Up to 14 conditions per place. [2020-10-15 22:19:48,743 INFO L117 LiptonReduction]: Number of co-enabled transitions 8652 [2020-10-15 22:19:50,816 INFO L132 LiptonReduction]: Checked pairs total: 18458 [2020-10-15 22:19:50,816 INFO L134 LiptonReduction]: Total number of compositions: 134 [2020-10-15 22:19:50,817 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 42 transitions, 144 flow [2020-10-15 22:20:27,826 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 113279 states. [2020-10-15 22:20:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 113279 states. [2020-10-15 22:20:27,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 22:20:27,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:20:27,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 22:20:27,826 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:20:27,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:20:27,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1199909937, now seen corresponding path program 1 times [2020-10-15 22:20:27,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:20:27,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529916006] [2020-10-15 22:20:27,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:20:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:20:27,849 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 22:20:27,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529916006] [2020-10-15 22:20:27,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:20:27,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:20:27,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885541788] [2020-10-15 22:20:27,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 22:20:27,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:20:27,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 22:20:27,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:20:27,852 INFO L87 Difference]: Start difference. First operand 113279 states. Second operand 4 states. [2020-10-15 22:20:28,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:20:28,767 INFO L93 Difference]: Finished difference Result 102873 states and 519973 transitions. [2020-10-15 22:20:28,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 22:20:28,768 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-10-15 22:20:28,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:20:29,196 INFO L225 Difference]: With dead ends: 102873 [2020-10-15 22:20:29,197 INFO L226 Difference]: Without dead ends: 102688 [2020-10-15 22:20:29,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:20:36,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102688 states. [2020-10-15 22:20:38,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102688 to 101389. [2020-10-15 22:20:38,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101389 states. [2020-10-15 22:20:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101389 states to 101389 states and 514609 transitions. [2020-10-15 22:20:39,203 INFO L78 Accepts]: Start accepts. Automaton has 101389 states and 514609 transitions. Word has length 5 [2020-10-15 22:20:39,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:20:39,203 INFO L481 AbstractCegarLoop]: Abstraction has 101389 states and 514609 transitions. [2020-10-15 22:20:39,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 22:20:39,203 INFO L276 IsEmpty]: Start isEmpty. Operand 101389 states and 514609 transitions. [2020-10-15 22:20:39,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 22:20:39,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:20:39,204 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:20:39,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 22:20:39,204 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:20:39,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:20:39,204 INFO L82 PathProgramCache]: Analyzing trace with hash -538563535, now seen corresponding path program 1 times [2020-10-15 22:20:39,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:20:39,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495871686] [2020-10-15 22:20:39,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:20:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:20:39,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:20:39,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495871686] [2020-10-15 22:20:39,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291688644] [2020-10-15 22:20:39,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 22:20:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:20:39,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 22:20:39,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 22:20:39,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:20:39,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 22:20:39,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2020-10-15 22:20:39,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984189411] [2020-10-15 22:20:39,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 22:20:39,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:20:39,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 22:20:39,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-15 22:20:39,374 INFO L87 Difference]: Start difference. First operand 101389 states and 514609 transitions. Second operand 9 states. [2020-10-15 22:20:40,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:20:40,172 INFO L93 Difference]: Finished difference Result 105067 states and 454887 transitions. [2020-10-15 22:20:40,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 22:20:40,173 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2020-10-15 22:20:40,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:20:40,452 INFO L225 Difference]: With dead ends: 105067 [2020-10-15 22:20:40,452 INFO L226 Difference]: Without dead ends: 105019 [2020-10-15 22:20:40,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-15 22:20:47,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105019 states. [2020-10-15 22:20:49,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105019 to 91256. [2020-10-15 22:20:49,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91256 states. [2020-10-15 22:20:49,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91256 states to 91256 states and 399934 transitions. [2020-10-15 22:20:49,616 INFO L78 Accepts]: Start accepts. Automaton has 91256 states and 399934 transitions. Word has length 12 [2020-10-15 22:20:49,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:20:49,616 INFO L481 AbstractCegarLoop]: Abstraction has 91256 states and 399934 transitions. [2020-10-15 22:20:49,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 22:20:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 91256 states and 399934 transitions. [2020-10-15 22:20:49,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 22:20:49,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:20:49,618 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:20:49,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-10-15 22:20:49,824 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:20:49,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:20:49,825 INFO L82 PathProgramCache]: Analyzing trace with hash 730340740, now seen corresponding path program 1 times [2020-10-15 22:20:49,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:20:49,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015643673] [2020-10-15 22:20:49,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:20:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:20:49,871 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 22:20:49,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015643673] [2020-10-15 22:20:49,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:20:49,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 22:20:49,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867368969] [2020-10-15 22:20:49,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 22:20:49,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:20:49,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 22:20:49,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 22:20:49,873 INFO L87 Difference]: Start difference. First operand 91256 states and 399934 transitions. Second operand 5 states. [2020-10-15 22:20:52,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:20:52,295 INFO L93 Difference]: Finished difference Result 201587 states and 870945 transitions. [2020-10-15 22:20:52,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 22:20:52,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-15 22:20:52,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:20:52,815 INFO L225 Difference]: With dead ends: 201587 [2020-10-15 22:20:52,815 INFO L226 Difference]: Without dead ends: 201545 [2020-10-15 22:20:52,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-15 22:21:01,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201545 states. [2020-10-15 22:21:03,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201545 to 114921. [2020-10-15 22:21:03,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114921 states. [2020-10-15 22:21:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114921 states to 114921 states and 512529 transitions. [2020-10-15 22:21:03,825 INFO L78 Accepts]: Start accepts. Automaton has 114921 states and 512529 transitions. Word has length 19 [2020-10-15 22:21:03,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:21:03,825 INFO L481 AbstractCegarLoop]: Abstraction has 114921 states and 512529 transitions. [2020-10-15 22:21:03,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 22:21:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 114921 states and 512529 transitions. [2020-10-15 22:21:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 22:21:03,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:21:03,827 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:21:03,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-15 22:21:03,827 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:21:03,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:21:03,827 INFO L82 PathProgramCache]: Analyzing trace with hash 225412120, now seen corresponding path program 2 times [2020-10-15 22:21:03,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:21:03,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257230473] [2020-10-15 22:21:03,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:21:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:21:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 22:21:03,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257230473] [2020-10-15 22:21:03,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480722318] [2020-10-15 22:21:03,886 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 22:21:03,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 22:21:03,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 22:21:03,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-15 22:21:03,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 22:21:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:21:04,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 22:21:04,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 10 [2020-10-15 22:21:04,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690037375] [2020-10-15 22:21:04,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 22:21:04,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:21:04,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 22:21:04,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-15 22:21:04,048 INFO L87 Difference]: Start difference. First operand 114921 states and 512529 transitions. Second operand 12 states. [2020-10-15 22:21:05,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:21:05,128 INFO L93 Difference]: Finished difference Result 106942 states and 466885 transitions. [2020-10-15 22:21:05,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 22:21:05,128 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 19 [2020-10-15 22:21:05,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:21:05,392 INFO L225 Difference]: With dead ends: 106942 [2020-10-15 22:21:05,392 INFO L226 Difference]: Without dead ends: 106226 [2020-10-15 22:21:05,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-15 22:21:07,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106226 states. [2020-10-15 22:21:08,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106226 to 57234. [2020-10-15 22:21:08,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57234 states. [2020-10-15 22:21:08,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57234 states to 57234 states and 257768 transitions. [2020-10-15 22:21:08,847 INFO L78 Accepts]: Start accepts. Automaton has 57234 states and 257768 transitions. Word has length 19 [2020-10-15 22:21:08,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:21:08,847 INFO L481 AbstractCegarLoop]: Abstraction has 57234 states and 257768 transitions. [2020-10-15 22:21:08,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 22:21:08,847 INFO L276 IsEmpty]: Start isEmpty. Operand 57234 states and 257768 transitions. [2020-10-15 22:21:08,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 22:21:08,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:21:08,855 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:21:09,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 22:21:09,063 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:21:09,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:21:09,063 INFO L82 PathProgramCache]: Analyzing trace with hash -111871025, now seen corresponding path program 1 times [2020-10-15 22:21:09,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:21:09,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391338205] [2020-10-15 22:21:09,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:21:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:21:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 22:21:09,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391338205] [2020-10-15 22:21:09,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:21:09,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 22:21:09,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003961928] [2020-10-15 22:21:09,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 22:21:09,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:21:09,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 22:21:09,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-15 22:21:09,124 INFO L87 Difference]: Start difference. First operand 57234 states and 257768 transitions. Second operand 6 states. [2020-10-15 22:21:10,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:21:10,147 INFO L93 Difference]: Finished difference Result 167719 states and 765754 transitions. [2020-10-15 22:21:10,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 22:21:10,147 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-15 22:21:10,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:21:10,596 INFO L225 Difference]: With dead ends: 167719 [2020-10-15 22:21:10,596 INFO L226 Difference]: Without dead ends: 167695 [2020-10-15 22:21:10,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-10-15 22:21:16,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167695 states. [2020-10-15 22:21:18,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167695 to 73422. [2020-10-15 22:21:18,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73422 states. [2020-10-15 22:21:18,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73422 states to 73422 states and 343139 transitions. [2020-10-15 22:21:18,732 INFO L78 Accepts]: Start accepts. Automaton has 73422 states and 343139 transitions. Word has length 26 [2020-10-15 22:21:18,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:21:18,733 INFO L481 AbstractCegarLoop]: Abstraction has 73422 states and 343139 transitions. [2020-10-15 22:21:18,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 22:21:18,733 INFO L276 IsEmpty]: Start isEmpty. Operand 73422 states and 343139 transitions. [2020-10-15 22:21:18,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 22:21:18,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:21:18,745 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:21:18,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-15 22:21:18,745 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:21:18,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:21:18,745 INFO L82 PathProgramCache]: Analyzing trace with hash -111859865, now seen corresponding path program 2 times [2020-10-15 22:21:18,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:21:18,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437305066] [2020-10-15 22:21:18,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:21:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:21:18,806 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 22:21:18,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437305066] [2020-10-15 22:21:18,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:21:18,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 22:21:18,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227132176] [2020-10-15 22:21:18,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 22:21:18,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:21:18,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 22:21:18,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 22:21:18,808 INFO L87 Difference]: Start difference. First operand 73422 states and 343139 transitions. Second operand 7 states. [2020-10-15 22:21:21,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:21:21,005 INFO L93 Difference]: Finished difference Result 186145 states and 859121 transitions. [2020-10-15 22:21:21,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 22:21:21,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-15 22:21:21,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:21:21,521 INFO L225 Difference]: With dead ends: 186145 [2020-10-15 22:21:21,521 INFO L226 Difference]: Without dead ends: 185614 [2020-10-15 22:21:21,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2020-10-15 22:21:22,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185614 states. [2020-10-15 22:21:30,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185614 to 84567. [2020-10-15 22:21:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84567 states. [2020-10-15 22:21:31,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84567 states to 84567 states and 398265 transitions. [2020-10-15 22:21:31,232 INFO L78 Accepts]: Start accepts. Automaton has 84567 states and 398265 transitions. Word has length 26 [2020-10-15 22:21:31,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:21:31,232 INFO L481 AbstractCegarLoop]: Abstraction has 84567 states and 398265 transitions. [2020-10-15 22:21:31,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 22:21:31,233 INFO L276 IsEmpty]: Start isEmpty. Operand 84567 states and 398265 transitions. [2020-10-15 22:21:31,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 22:21:31,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:21:31,244 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:21:31,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-15 22:21:31,245 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:21:31,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:21:31,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1685567279, now seen corresponding path program 3 times [2020-10-15 22:21:31,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:21:31,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050388641] [2020-10-15 22:21:31,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:21:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:21:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 22:21:31,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050388641] [2020-10-15 22:21:31,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987936444] [2020-10-15 22:21:31,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 22:21:31,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-15 22:21:31,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 22:21:31,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-15 22:21:31,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 22:21:31,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 22:21:31,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 22:21:31,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8] total 13 [2020-10-15 22:21:31,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805211854] [2020-10-15 22:21:31,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 22:21:31,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:21:31,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 22:21:31,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-15 22:21:31,506 INFO L87 Difference]: Start difference. First operand 84567 states and 398265 transitions. Second operand 15 states. [2020-10-15 22:21:32,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:21:32,781 INFO L93 Difference]: Finished difference Result 92483 states and 436841 transitions. [2020-10-15 22:21:32,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 22:21:32,782 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 26 [2020-10-15 22:21:32,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:21:33,018 INFO L225 Difference]: With dead ends: 92483 [2020-10-15 22:21:33,018 INFO L226 Difference]: Without dead ends: 89515 [2020-10-15 22:21:33,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2020-10-15 22:21:33,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89515 states. [2020-10-15 22:21:34,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89515 to 39817. [2020-10-15 22:21:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39817 states. [2020-10-15 22:21:34,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39817 states to 39817 states and 194062 transitions. [2020-10-15 22:21:34,724 INFO L78 Accepts]: Start accepts. Automaton has 39817 states and 194062 transitions. Word has length 26 [2020-10-15 22:21:34,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:21:34,724 INFO L481 AbstractCegarLoop]: Abstraction has 39817 states and 194062 transitions. [2020-10-15 22:21:34,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 22:21:34,724 INFO L276 IsEmpty]: Start isEmpty. Operand 39817 states and 194062 transitions. [2020-10-15 22:21:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-15 22:21:34,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:21:34,733 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:21:34,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 22:21:34,939 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:21:34,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:21:34,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1497346824, now seen corresponding path program 1 times [2020-10-15 22:21:34,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:21:34,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752039017] [2020-10-15 22:21:34,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:21:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:21:34,950 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:21:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:21:34,964 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:21:34,975 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 22:21:34,975 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 22:21:34,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-15 22:21:34,975 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 22:21:34,977 WARN L371 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 22:21:34,978 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2020-10-15 22:21:34,989 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,989 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,989 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,989 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,989 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,989 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,989 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,990 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,990 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,990 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,990 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,990 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,990 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,990 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,990 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,990 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,991 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,991 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,991 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,991 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,991 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,991 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,991 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,991 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,992 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,992 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,992 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,992 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,992 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,992 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,992 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,992 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,993 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,993 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,993 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,993 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,993 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,993 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,993 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,994 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,994 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,994 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,994 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,994 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,994 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,994 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,994 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,995 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,995 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,995 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,995 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,995 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,995 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,995 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,995 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,996 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,996 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,996 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,996 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,996 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,996 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,996 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,996 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,997 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,997 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,997 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,997 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,997 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,997 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,997 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,997 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,998 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,998 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,998 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,998 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,998 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,998 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,998 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,998 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,998 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,999 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,999 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,999 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,999 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,999 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,999 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,999 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:34,999 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,000 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,000 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,000 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,000 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,000 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,000 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,000 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,000 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,001 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,001 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,001 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,001 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,001 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,001 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,001 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,001 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,002 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,002 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,002 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,002 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,002 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,002 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,002 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,002 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,003 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,003 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,003 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,003 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,003 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,003 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,004 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,004 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,006 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,006 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,006 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,006 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,006 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,006 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,006 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,006 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,007 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,007 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,008 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,008 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,008 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,008 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,008 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,008 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,009 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,009 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,009 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,010 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,010 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,010 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,010 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,010 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,011 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,011 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,011 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,011 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,012 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,012 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,012 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,012 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,013 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,013 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,013 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,013 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,013 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,014 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,014 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,014 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,015 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,015 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,015 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,015 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,015 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,015 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,016 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,016 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:21:35,016 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-15 22:21:35,017 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 22:21:35,017 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 22:21:35,017 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 22:21:35,017 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 22:21:35,017 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 22:21:35,017 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 22:21:35,017 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 22:21:35,018 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 22:21:35,019 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 22:21:35,019 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 140 transitions, 357 flow [2020-10-15 22:21:35,019 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 140 transitions, 357 flow [2020-10-15 22:21:35,019 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 146 places, 140 transitions, 357 flow [2020-10-15 22:21:35,046 INFO L129 PetriNetUnfolder]: 16/227 cut-off events. [2020-10-15 22:21:35,046 INFO L130 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2020-10-15 22:21:35,048 INFO L80 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 227 events. 16/227 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 511 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 225. Up to 16 conditions per place. [2020-10-15 22:21:35,061 INFO L117 LiptonReduction]: Number of co-enabled transitions 11564 [2020-10-15 22:21:37,971 INFO L132 LiptonReduction]: Checked pairs total: 24249 [2020-10-15 22:21:37,971 INFO L134 LiptonReduction]: Total number of compositions: 153 [2020-10-15 22:21:37,972 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56 places, 48 transitions, 173 flow Received shutdown request... [2020-10-15 22:32:55,923 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-15 22:32:55,925 WARN L235 ceAbstractionStarter]: Timeout [2020-10-15 22:32:55,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 10:32:55 BasicIcfg [2020-10-15 22:32:55,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 22:32:55,928 INFO L168 Benchmark]: Toolchain (without parser) took 808082.33 ms. Allocated memory was 253.8 MB in the beginning and 6.4 GB in the end (delta: 6.1 GB). Free memory was 208.1 MB in the beginning and 2.4 GB in the end (delta: -2.2 GB). Peak memory consumption was 6.7 GB. Max. memory is 14.2 GB. [2020-10-15 22:32:55,928 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 22:32:55,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.96 ms. Allocated memory was 253.8 MB in the beginning and 320.9 MB in the end (delta: 67.1 MB). Free memory was 208.1 MB in the beginning and 274.2 MB in the end (delta: -66.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 14.2 GB. [2020-10-15 22:32:55,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.31 ms. Allocated memory is still 320.9 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 22:32:55,929 INFO L168 Benchmark]: Boogie Preprocessor took 26.02 ms. Allocated memory is still 320.9 MB. Free memory was 271.7 MB in the beginning and 269.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 22:32:55,930 INFO L168 Benchmark]: RCFGBuilder took 423.23 ms. Allocated memory is still 320.9 MB. Free memory was 269.2 MB in the beginning and 247.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 14.2 GB. [2020-10-15 22:32:55,931 INFO L168 Benchmark]: TraceAbstraction took 806913.65 ms. Allocated memory was 320.9 MB in the beginning and 6.4 GB in the end (delta: 6.1 GB). Free memory was 247.2 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 6.7 GB. Max. memory is 14.2 GB. [2020-10-15 22:32:55,933 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 668.96 ms. Allocated memory was 253.8 MB in the beginning and 320.9 MB in the end (delta: 67.1 MB). Free memory was 208.1 MB in the beginning and 274.2 MB in the end (delta: -66.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 45.31 ms. Allocated memory is still 320.9 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 26.02 ms. Allocated memory is still 320.9 MB. Free memory was 271.7 MB in the beginning and 269.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 423.23 ms. Allocated memory is still 320.9 MB. Free memory was 269.2 MB in the beginning and 247.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 806913.65 ms. Allocated memory was 320.9 MB in the beginning and 6.4 GB in the end (delta: 6.1 GB). Free memory was 247.2 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 6.7 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 271 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 2 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 50 PlacesBefore, 11 PlacesAfterwards, 50 TransitionsBefore, 8 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 6 FixpointIterations, 20 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 53 TotalNumberOfCompositions, 364 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 828 VarBasedMoverChecksPositive, 53 VarBasedMoverChecksNegative, 29 SemBasedMoverChecksPositive, 24 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 69 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 66 PlacesBefore, 21 PlacesAfterwards, 65 TransitionsBefore, 17 TransitionsAfterwards, 1204 CoEnabledTransitionPairs, 5 FixpointIterations, 20 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 63 TotalNumberOfCompositions, 1856 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1696 VarBasedMoverChecksPositive, 88 VarBasedMoverChecksNegative, 53 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 105 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 82 PlacesBefore, 28 PlacesAfterwards, 80 TransitionsBefore, 23 TransitionsAfterwards, 2436 CoEnabledTransitionPairs, 6 FixpointIterations, 20 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 16 ConcurrentYvCompositions, 3 ChoiceCompositions, 81 TotalNumberOfCompositions, 4241 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2813 VarBasedMoverChecksPositive, 115 VarBasedMoverChecksNegative, 64 SemBasedMoverChecksPositive, 51 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 162 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 98 PlacesBefore, 35 PlacesAfterwards, 95 TransitionsBefore, 28 TransitionsAfterwards, 4088 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 58 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 15 ConcurrentYvCompositions, 4 ChoiceCompositions, 97 TotalNumberOfCompositions, 7309 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4115 VarBasedMoverChecksPositive, 151 VarBasedMoverChecksNegative, 94 SemBasedMoverChecksPositive, 57 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 188 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.7s, 114 PlacesBefore, 42 PlacesAfterwards, 110 TransitionsBefore, 34 TransitionsAfterwards, 6160 CoEnabledTransitionPairs, 6 FixpointIterations, 21 TrivialSequentialCompositions, 65 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 21 ConcurrentYvCompositions, 4 ChoiceCompositions, 112 TotalNumberOfCompositions, 11445 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5905 VarBasedMoverChecksPositive, 358 VarBasedMoverChecksNegative, 283 SemBasedMoverChecksPositive, 75 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 267 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 130 PlacesBefore, 49 PlacesAfterwards, 125 TransitionsBefore, 42 TransitionsAfterwards, 8652 CoEnabledTransitionPairs, 6 FixpointIterations, 22 TrivialSequentialCompositions, 83 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 26 ConcurrentYvCompositions, 2 ChoiceCompositions, 134 TotalNumberOfCompositions, 18458 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8015 VarBasedMoverChecksPositive, 504 VarBasedMoverChecksNegative, 419 SemBasedMoverChecksPositive, 85 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.4s, 406 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 146 PlacesBefore, 56 PlacesAfterwards, 140 TransitionsBefore, 48 TransitionsAfterwards, 11564 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 96 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 31 ConcurrentYvCompositions, 2 ChoiceCompositions, 153 TotalNumberOfCompositions, 24249 MoverChecksTotal - TimeoutResultAtElement [Line: 679]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 679). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 56 places, 48 transitions, 173 flow. Already constructed 562559 states. Currently 10959 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 7 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 806.6s, OverallIterations: 24, TraceHistogramMax: 7, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 729.2s, HoareTripleCheckerStatistics: 640 SDtfs, 1411 SDslu, 1477 SDs, 0 SdLazy, 3456 SolverSat, 978 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114921occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 58.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 415112 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 451 NumberOfCodeBlocks, 451 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 326 ConstructedInterpolants, 0 QuantifiedInterpolants, 29592 SizeOfPredicates, 0 NumberOfNonLiveVariables, 542 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 24 InterpolantComputations, 12 PerfectInterpolantSequences, 92/142 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 could not prove your program: Timeout Completed graceful shutdown