/usr/bin/java -Xmx8000000000 -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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-ext/01_inc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:12:33,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:12:33,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:12:33,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:12:33,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:12:33,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:12:33,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:12:33,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:12:33,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:12:33,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:12:33,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:12:34,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:12:34,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:12:34,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:12:34,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:12:34,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:12:34,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:12:34,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:12:34,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:12:34,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:12:34,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:12:34,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:12:34,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:12:34,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:12:34,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:12:34,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:12:34,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:12:34,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:12:34,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:12:34,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:12:34,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:12:34,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:12:34,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:12:34,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:12:34,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:12:34,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:12:34,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:12:34,052 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:12:34,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:12:34,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:12:34,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:12:34,053 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:12:34,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:12:34,054 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:12:34,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:12:34,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:12:34,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:12:34,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:12:34,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:12:34,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:12:34,055 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:12:34,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:12:34,056 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:12:34,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:12:34,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:12:34,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:12:34,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:12:34,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:12:34,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:12:34,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:12:34,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:12:34,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:12:34,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:12:34,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:12:34,058 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:12:34,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:12:34,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:12:34,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:12:34,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:12:34,365 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:12:34,369 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:12:34,370 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/01_inc.i [2020-10-05 23:12:34,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08c086b7e/7c4314dfe2914089a53e31cca7f33063/FLAG397fdb0d6 [2020-10-05 23:12:34,972 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:12:34,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01_inc.i [2020-10-05 23:12:34,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08c086b7e/7c4314dfe2914089a53e31cca7f33063/FLAG397fdb0d6 [2020-10-05 23:12:35,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08c086b7e/7c4314dfe2914089a53e31cca7f33063 [2020-10-05 23:12:35,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:12:35,233 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:12:35,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:12:35,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:12:35,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:12:35,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:12:35" (1/1) ... [2020-10-05 23:12:35,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0016e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35, skipping insertion in model container [2020-10-05 23:12:35,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:12:35" (1/1) ... [2020-10-05 23:12:35,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:12:35,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:12:35,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:12:35,789 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:12:35,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:12:35,949 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:12:35,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35 WrapperNode [2020-10-05 23:12:35,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:12:35,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:12:35,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:12:35,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:12:35,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35" (1/1) ... [2020-10-05 23:12:35,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35" (1/1) ... [2020-10-05 23:12:35,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:12:35,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:12:35,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:12:35,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:12:36,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35" (1/1) ... [2020-10-05 23:12:36,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35" (1/1) ... [2020-10-05 23:12:36,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35" (1/1) ... [2020-10-05 23:12:36,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35" (1/1) ... [2020-10-05 23:12:36,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35" (1/1) ... [2020-10-05 23:12:36,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35" (1/1) ... [2020-10-05 23:12:36,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35" (1/1) ... [2020-10-05 23:12:36,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:12:36,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:12:36,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:12:36,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:12:36,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:12:36,091 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-05 23:12:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-05 23:12:36,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:12:36,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:12:36,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:12:36,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:12:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:12:36,094 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:12:36,509 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:12:36,509 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-05 23:12:36,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:12:36 BoogieIcfgContainer [2020-10-05 23:12:36,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:12:36,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:12:36,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:12:36,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:12:36,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:12:35" (1/3) ... [2020-10-05 23:12:36,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25309207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:12:36, skipping insertion in model container [2020-10-05 23:12:36,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:12:35" (2/3) ... [2020-10-05 23:12:36,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25309207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:12:36, skipping insertion in model container [2020-10-05 23:12:36,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:12:36" (3/3) ... [2020-10-05 23:12:36,521 INFO L109 eAbstractionObserver]: Analyzing ICFG 01_inc.i [2020-10-05 23:12:36,535 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:12:36,536 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:12:36,552 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 23:12:36,553 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:12:36,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,609 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,610 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,611 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,611 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,612 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:36,644 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-05 23:12:36,662 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:12:36,662 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:12:36,662 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:12:36,662 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:12:36,662 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:12:36,663 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:12:36,663 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:12:36,663 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:12:36,681 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 35 transitions, 75 flow [2020-10-05 23:12:36,683 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 35 places, 35 transitions, 75 flow [2020-10-05 23:12:36,725 INFO L129 PetriNetUnfolder]: 4/43 cut-off events. [2020-10-05 23:12:36,725 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:12:36,730 INFO L80 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 4/43 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. 0/36 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2020-10-05 23:12:36,732 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 35 places, 35 transitions, 75 flow [2020-10-05 23:12:36,746 INFO L129 PetriNetUnfolder]: 4/43 cut-off events. [2020-10-05 23:12:36,746 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:12:36,747 INFO L80 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 4/43 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. 0/36 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2020-10-05 23:12:36,749 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 320 [2020-10-05 23:12:36,750 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:12:37,821 INFO L206 etLargeBlockEncoding]: Checked pairs total: 213 [2020-10-05 23:12:37,821 INFO L214 etLargeBlockEncoding]: Total number of compositions: 31 [2020-10-05 23:12:37,825 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 8 transitions, 21 flow [2020-10-05 23:12:37,834 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-05 23:12:37,836 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-05 23:12:37,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-05 23:12:37,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:37,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-05 23:12:37,844 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-05 23:12:37,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:37,850 INFO L82 PathProgramCache]: Analyzing trace with hash 7400622, now seen corresponding path program 1 times [2020-10-05 23:12:37,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:37,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867963160] [2020-10-05 23:12:37,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:37,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867963160] [2020-10-05 23:12:37,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:37,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:12:37,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371201037] [2020-10-05 23:12:38,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-05 23:12:38,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:38,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-05 23:12:38,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-05 23:12:38,016 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-10-05 23:12:38,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:38,025 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-10-05 23:12:38,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-05 23:12:38,026 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-10-05 23:12:38,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:38,034 INFO L225 Difference]: With dead ends: 11 [2020-10-05 23:12:38,034 INFO L226 Difference]: Without dead ends: 11 [2020-10-05 23:12:38,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-05 23:12:38,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-10-05 23:12:38,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-10-05 23:12:38,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-05 23:12:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-10-05 23:12:38,061 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2020-10-05 23:12:38,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:38,061 INFO L479 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-10-05 23:12:38,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-05 23:12:38,062 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-10-05 23:12:38,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-05 23:12:38,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:38,062 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-05 23:12:38,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:12:38,063 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-05 23:12:38,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:38,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1478000843, now seen corresponding path program 1 times [2020-10-05 23:12:38,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:38,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882929456] [2020-10-05 23:12:38,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:12:38,090 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:12:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:12:38,104 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:12:38,126 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:12:38,127 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:12:38,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:12:38,130 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-05 23:12:38,130 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-05 23:12:38,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,138 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,138 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,139 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,139 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,139 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,140 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,140 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,140 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,140 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,140 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,141 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,141 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,141 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,141 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,142 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,142 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,142 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,144 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,144 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,144 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,144 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,145 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,145 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,145 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,145 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,146 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,146 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:38,159 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-05 23:12:38,160 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:12:38,160 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:12:38,160 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:12:38,160 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:12:38,161 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:12:38,161 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:12:38,161 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:12:38,161 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:12:38,164 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 52 transitions, 116 flow [2020-10-05 23:12:38,164 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 52 places, 52 transitions, 116 flow [2020-10-05 23:12:38,182 INFO L129 PetriNetUnfolder]: 7/69 cut-off events. [2020-10-05 23:12:38,183 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-05 23:12:38,184 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 7/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 166 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2020-10-05 23:12:38,187 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 52 places, 52 transitions, 116 flow [2020-10-05 23:12:38,202 INFO L129 PetriNetUnfolder]: 7/69 cut-off events. [2020-10-05 23:12:38,202 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-05 23:12:38,203 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 7/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 166 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2020-10-05 23:12:38,206 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1184 [2020-10-05 23:12:38,206 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:12:38,765 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2956 [2020-10-05 23:12:38,766 INFO L214 etLargeBlockEncoding]: Total number of compositions: 31 [2020-10-05 23:12:38,766 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 25 transitions, 62 flow [2020-10-05 23:12:38,791 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 445 states. [2020-10-05 23:12:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states. [2020-10-05 23:12:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:12:38,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:38,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:38,794 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:12:38,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:38,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1194994076, now seen corresponding path program 1 times [2020-10-05 23:12:38,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:38,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631725549] [2020-10-05 23:12:38,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:38,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631725549] [2020-10-05 23:12:38,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:38,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:12:38,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635787316] [2020-10-05 23:12:38,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:12:38,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:38,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:12:38,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:12:38,972 INFO L87 Difference]: Start difference. First operand 445 states. Second operand 5 states. [2020-10-05 23:12:39,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:39,160 INFO L93 Difference]: Finished difference Result 420 states and 1023 transitions. [2020-10-05 23:12:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:12:39,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-05 23:12:39,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:39,174 INFO L225 Difference]: With dead ends: 420 [2020-10-05 23:12:39,174 INFO L226 Difference]: Without dead ends: 420 [2020-10-05 23:12:39,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:12:39,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2020-10-05 23:12:39,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 340. [2020-10-05 23:12:39,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-10-05 23:12:39,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 855 transitions. [2020-10-05 23:12:39,228 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 855 transitions. Word has length 9 [2020-10-05 23:12:39,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:39,228 INFO L479 AbstractCegarLoop]: Abstraction has 340 states and 855 transitions. [2020-10-05 23:12:39,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:12:39,228 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 855 transitions. [2020-10-05 23:12:39,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:12:39,229 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:39,229 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-05 23:12:39,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:12:39,230 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:12:39,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:39,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1335142672, now seen corresponding path program 1 times [2020-10-05 23:12:39,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:39,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072858317] [2020-10-05 23:12:39,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:12:39,261 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:12:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:12:39,277 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:12:39,282 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:12:39,283 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:12:39,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:12:39,283 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-05 23:12:39,285 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-05 23:12:39,291 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,292 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,292 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,292 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,292 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,293 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,293 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,293 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,293 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,294 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,294 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,294 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,294 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,294 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,295 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,295 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,295 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,295 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,296 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,296 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,297 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,297 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,298 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,298 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,298 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,299 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,299 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,299 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,299 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,300 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,300 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,300 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,300 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,300 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,301 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,301 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,301 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,301 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,301 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,302 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,302 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,302 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,302 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,302 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,303 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,303 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,305 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,307 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,307 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,308 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,308 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,309 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,310 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,310 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,310 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,310 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,310 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,310 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:39,312 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-05 23:12:39,312 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:12:39,312 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:12:39,312 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:12:39,312 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:12:39,313 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:12:39,313 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:12:39,313 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:12:39,313 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:12:39,315 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 69 transitions, 159 flow [2020-10-05 23:12:39,315 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 69 transitions, 159 flow [2020-10-05 23:12:39,332 INFO L129 PetriNetUnfolder]: 10/95 cut-off events. [2020-10-05 23:12:39,332 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-05 23:12:39,334 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 95 events. 10/95 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 251 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2020-10-05 23:12:39,354 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 69 transitions, 159 flow [2020-10-05 23:12:39,369 INFO L129 PetriNetUnfolder]: 10/95 cut-off events. [2020-10-05 23:12:39,369 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-05 23:12:39,370 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 95 events. 10/95 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 251 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2020-10-05 23:12:39,373 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2592 [2020-10-05 23:12:39,374 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:12:40,104 INFO L206 etLargeBlockEncoding]: Checked pairs total: 8320 [2020-10-05 23:12:40,104 INFO L214 etLargeBlockEncoding]: Total number of compositions: 39 [2020-10-05 23:12:40,105 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 35 transitions, 91 flow [2020-10-05 23:12:40,325 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4009 states. [2020-10-05 23:12:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand 4009 states. [2020-10-05 23:12:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:12:40,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:40,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:40,328 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:12:40,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:40,329 INFO L82 PathProgramCache]: Analyzing trace with hash 680083894, now seen corresponding path program 1 times [2020-10-05 23:12:40,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:40,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686930921] [2020-10-05 23:12:40,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:40,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686930921] [2020-10-05 23:12:40,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:40,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:12:40,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762978709] [2020-10-05 23:12:40,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:12:40,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:40,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:12:40,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:12:40,477 INFO L87 Difference]: Start difference. First operand 4009 states. Second operand 5 states. [2020-10-05 23:12:40,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:40,669 INFO L93 Difference]: Finished difference Result 4685 states and 16109 transitions. [2020-10-05 23:12:40,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:12:40,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-05 23:12:40,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:40,715 INFO L225 Difference]: With dead ends: 4685 [2020-10-05 23:12:40,715 INFO L226 Difference]: Without dead ends: 4685 [2020-10-05 23:12:40,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:12:40,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4685 states. [2020-10-05 23:12:40,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4685 to 3505. [2020-10-05 23:12:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3505 states. [2020-10-05 23:12:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 3505 states and 12416 transitions. [2020-10-05 23:12:40,899 INFO L78 Accepts]: Start accepts. Automaton has 3505 states and 12416 transitions. Word has length 9 [2020-10-05 23:12:40,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:40,899 INFO L479 AbstractCegarLoop]: Abstraction has 3505 states and 12416 transitions. [2020-10-05 23:12:40,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:12:40,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3505 states and 12416 transitions. [2020-10-05 23:12:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:12:40,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:40,902 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-05 23:12:40,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:12:40,902 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:12:40,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:40,902 INFO L82 PathProgramCache]: Analyzing trace with hash -450990296, now seen corresponding path program 1 times [2020-10-05 23:12:40,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:40,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491228916] [2020-10-05 23:12:40,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:12:40,914 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:12:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:12:40,922 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:12:40,927 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:12:40,927 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:12:40,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:12:40,928 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-05 23:12:40,928 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-05 23:12:40,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,938 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,938 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,938 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,938 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,938 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,939 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,939 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,939 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,939 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,939 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,940 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,940 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,940 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,940 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,941 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,942 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,942 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,942 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,942 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,954 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,954 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:12:40,970 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-05 23:12:40,971 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:12:40,971 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:12:40,971 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:12:40,971 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:12:40,971 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:12:40,971 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:12:40,971 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:12:40,972 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:12:40,973 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 86 transitions, 204 flow [2020-10-05 23:12:40,974 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 86 places, 86 transitions, 204 flow [2020-10-05 23:12:40,991 INFO L129 PetriNetUnfolder]: 13/121 cut-off events. [2020-10-05 23:12:40,992 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-05 23:12:40,993 INFO L80 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 121 events. 13/121 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 357 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 104. Up to 10 conditions per place. [2020-10-05 23:12:40,999 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 86 places, 86 transitions, 204 flow [2020-10-05 23:12:41,015 INFO L129 PetriNetUnfolder]: 13/121 cut-off events. [2020-10-05 23:12:41,015 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-05 23:12:41,017 INFO L80 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 121 events. 13/121 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 357 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 104. Up to 10 conditions per place. [2020-10-05 23:12:41,022 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4544 [2020-10-05 23:12:41,022 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:12:42,053 INFO L206 etLargeBlockEncoding]: Checked pairs total: 14772 [2020-10-05 23:12:42,054 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2020-10-05 23:12:42,054 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 45 transitions, 122 flow [2020-10-05 23:12:46,485 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 36085 states. [2020-10-05 23:12:46,485 INFO L276 IsEmpty]: Start isEmpty. Operand 36085 states. [2020-10-05 23:12:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:12:46,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:46,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:46,487 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-05 23:12:46,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:46,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1611612170, now seen corresponding path program 1 times [2020-10-05 23:12:46,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:46,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021494680] [2020-10-05 23:12:46,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:46,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:12:46,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021494680] [2020-10-05 23:12:46,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:46,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:12:46,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038160009] [2020-10-05 23:12:46,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:12:46,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:46,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:12:46,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:12:46,575 INFO L87 Difference]: Start difference. First operand 36085 states. Second operand 5 states. [2020-10-05 23:12:48,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:48,406 INFO L93 Difference]: Finished difference Result 47190 states and 210662 transitions. [2020-10-05 23:12:48,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:12:48,407 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-05 23:12:48,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:48,735 INFO L225 Difference]: With dead ends: 47190 [2020-10-05 23:12:48,735 INFO L226 Difference]: Without dead ends: 47190 [2020-10-05 23:12:48,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:12:49,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47190 states. [2020-10-05 23:12:50,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47190 to 34210. [2020-10-05 23:12:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34210 states. [2020-10-05 23:12:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34210 states to 34210 states and 156599 transitions. [2020-10-05 23:12:50,835 INFO L78 Accepts]: Start accepts. Automaton has 34210 states and 156599 transitions. Word has length 9 [2020-10-05 23:12:50,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:50,835 INFO L479 AbstractCegarLoop]: Abstraction has 34210 states and 156599 transitions. [2020-10-05 23:12:50,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:12:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand 34210 states and 156599 transitions. [2020-10-05 23:12:50,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:12:50,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:50,836 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:50,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:12:50,837 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-05 23:12:50,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:50,837 INFO L82 PathProgramCache]: Analyzing trace with hash -2021235878, now seen corresponding path program 1 times [2020-10-05 23:12:50,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:50,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103143705] [2020-10-05 23:12:50,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-05 23:12:50,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103143705] [2020-10-05 23:12:50,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:50,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:12:50,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388410150] [2020-10-05 23:12:50,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:12:50,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:50,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:12:50,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:12:50,923 INFO L87 Difference]: Start difference. First operand 34210 states and 156599 transitions. Second operand 5 states. [2020-10-05 23:12:53,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:53,506 INFO L93 Difference]: Finished difference Result 58400 states and 260286 transitions. [2020-10-05 23:12:53,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:12:53,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-05 23:12:53,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:53,759 INFO L225 Difference]: With dead ends: 58400 [2020-10-05 23:12:53,759 INFO L226 Difference]: Without dead ends: 58400 [2020-10-05 23:12:53,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:12:54,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58400 states. [2020-10-05 23:12:55,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58400 to 42352. [2020-10-05 23:12:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42352 states. [2020-10-05 23:12:55,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42352 states to 42352 states and 193270 transitions. [2020-10-05 23:12:55,894 INFO L78 Accepts]: Start accepts. Automaton has 42352 states and 193270 transitions. Word has length 12 [2020-10-05 23:12:55,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:12:55,894 INFO L479 AbstractCegarLoop]: Abstraction has 42352 states and 193270 transitions. [2020-10-05 23:12:55,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:12:55,895 INFO L276 IsEmpty]: Start isEmpty. Operand 42352 states and 193270 transitions. [2020-10-05 23:12:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:12:55,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:12:55,897 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:12:55,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:12:55,897 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-05 23:12:55,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:12:55,898 INFO L82 PathProgramCache]: Analyzing trace with hash 252682179, now seen corresponding path program 1 times [2020-10-05 23:12:55,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:12:55,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055885782] [2020-10-05 23:12:55,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:12:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:12:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-05 23:12:55,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055885782] [2020-10-05 23:12:55,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:12:55,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:12:55,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360787769] [2020-10-05 23:12:55,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:12:55,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:12:55,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:12:55,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:12:55,996 INFO L87 Difference]: Start difference. First operand 42352 states and 193270 transitions. Second operand 5 states. [2020-10-05 23:12:56,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:12:56,567 INFO L93 Difference]: Finished difference Result 70864 states and 315512 transitions. [2020-10-05 23:12:56,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:12:56,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-05 23:12:56,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:12:56,831 INFO L225 Difference]: With dead ends: 70864 [2020-10-05 23:12:56,831 INFO L226 Difference]: Without dead ends: 70864 [2020-10-05 23:12:56,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:12:59,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70864 states. [2020-10-05 23:13:00,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70864 to 51472. [2020-10-05 23:13:00,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51472 states. [2020-10-05 23:13:00,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51472 states to 51472 states and 234268 transitions. [2020-10-05 23:13:00,984 INFO L78 Accepts]: Start accepts. Automaton has 51472 states and 234268 transitions. Word has length 15 [2020-10-05 23:13:00,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:13:00,985 INFO L479 AbstractCegarLoop]: Abstraction has 51472 states and 234268 transitions. [2020-10-05 23:13:00,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:13:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 51472 states and 234268 transitions. [2020-10-05 23:13:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:13:00,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:13:00,987 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2020-10-05 23:13:00,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:13:00,987 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-05 23:13:00,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:13:00,987 INFO L82 PathProgramCache]: Analyzing trace with hash 649438076, now seen corresponding path program 1 times [2020-10-05 23:13:00,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:13:00,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454816790] [2020-10-05 23:13:00,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:13:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:13:00,998 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:13:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:13:01,005 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:13:01,010 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:13:01,010 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:13:01,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:13:01,011 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-05 23:13:01,011 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-05 23:13:01,019 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,019 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,023 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,023 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,024 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,024 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,024 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,024 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,025 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,025 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,026 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,026 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,027 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,027 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,027 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,029 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,029 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,029 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,029 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,029 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,029 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,030 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,030 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,030 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,030 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,031 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,031 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,031 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,031 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,031 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,031 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,031 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,032 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,032 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,032 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,032 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,032 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,032 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,034 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,034 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,034 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,034 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,034 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,034 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,034 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,034 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,035 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,036 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,036 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,036 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,036 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,036 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,036 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,047 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,048 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,048 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,048 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,048 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,048 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,048 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,049 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,050 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,050 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,050 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,050 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,050 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,050 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,051 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,053 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:13:01,054 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-05 23:13:01,055 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:13:01,055 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:13:01,055 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:13:01,055 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:13:01,055 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:13:01,055 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:13:01,055 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:13:01,055 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:13:01,057 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 103 transitions, 251 flow [2020-10-05 23:13:01,057 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 251 flow [2020-10-05 23:13:01,074 INFO L129 PetriNetUnfolder]: 16/147 cut-off events. [2020-10-05 23:13:01,074 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-05 23:13:01,076 INFO L80 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 16/147 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 449 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 137. Up to 12 conditions per place. [2020-10-05 23:13:01,083 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 251 flow [2020-10-05 23:13:01,098 INFO L129 PetriNetUnfolder]: 16/147 cut-off events. [2020-10-05 23:13:01,098 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-05 23:13:01,099 INFO L80 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 16/147 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 449 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 137. Up to 12 conditions per place. [2020-10-05 23:13:01,106 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 7040 [2020-10-05 23:13:01,106 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:13:02,297 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-10-05 23:13:02,696 INFO L206 etLargeBlockEncoding]: Checked pairs total: 23418 [2020-10-05 23:13:02,696 INFO L214 etLargeBlockEncoding]: Total number of compositions: 56 [2020-10-05 23:13:02,696 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 56 transitions, 157 flow Received shutdown request... [2020-10-05 23:16:57,166 WARN L544 AbstractCegarLoop]: Verification canceled [2020-10-05 23:16:57,178 WARN L228 ceAbstractionStarter]: Timeout [2020-10-05 23:16:57,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:16:57 BasicIcfg [2020-10-05 23:16:57,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:16:57,181 INFO L168 Benchmark]: Toolchain (without parser) took 261948.76 ms. Allocated memory was 138.4 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 100.2 MB in the beginning and 615.0 MB in the end (delta: -514.8 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2020-10-05 23:16:57,186 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:16:57,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.38 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 162.1 MB in the end (delta: -62.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:16:57,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.13 ms. Allocated memory is still 202.4 MB. Free memory was 162.1 MB in the beginning and 160.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:16:57,188 INFO L168 Benchmark]: Boogie Preprocessor took 25.41 ms. Allocated memory is still 202.4 MB. Free memory was 160.1 MB in the beginning and 158.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:16:57,189 INFO L168 Benchmark]: RCFGBuilder took 488.05 ms. Allocated memory is still 202.4 MB. Free memory was 158.7 MB in the beginning and 131.2 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:16:57,189 INFO L168 Benchmark]: TraceAbstraction took 260665.62 ms. Allocated memory was 202.4 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 130.6 MB in the beginning and 615.0 MB in the end (delta: -484.4 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2020-10-05 23:16:57,193 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.38 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 162.1 MB in the end (delta: -62.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.13 ms. Allocated memory is still 202.4 MB. Free memory was 162.1 MB in the beginning and 160.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.41 ms. Allocated memory is still 202.4 MB. Free memory was 160.1 MB in the beginning and 158.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 488.05 ms. Allocated memory is still 202.4 MB. Free memory was 158.7 MB in the beginning and 131.2 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260665.62 ms. Allocated memory was 202.4 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 130.6 MB in the beginning and 615.0 MB in the end (delta: -484.4 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.1s, 35 ProgramPointsBefore, 11 ProgramPointsAfterwards, 35 TransitionsBefore, 8 TransitionsAfterwards, 320 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 3 ChoiceCompositions, 149 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 213 CheckedPairsTotal, 31 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.6s, 52 ProgramPointsBefore, 28 ProgramPointsAfterwards, 52 TransitionsBefore, 25 TransitionsAfterwards, 1184 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 544 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2956 CheckedPairsTotal, 31 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 69 ProgramPointsBefore, 39 ProgramPointsAfterwards, 69 TransitionsBefore, 35 TransitionsAfterwards, 2592 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 4 ChoiceCompositions, 1287 VarBasedMoverChecksPositive, 45 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 8320 CheckedPairsTotal, 39 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.0s, 86 ProgramPointsBefore, 50 ProgramPointsAfterwards, 86 TransitionsBefore, 45 TransitionsAfterwards, 4544 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 5 ChoiceCompositions, 2015 VarBasedMoverChecksPositive, 62 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 14772 CheckedPairsTotal, 49 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 103 ProgramPointsBefore, 61 ProgramPointsAfterwards, 103 TransitionsBefore, 56 TransitionsAfterwards, 7040 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 3093 VarBasedMoverChecksPositive, 82 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 23418 CheckedPairsTotal, 56 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 698]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 698). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 61 places, 56 transitions, 157 flow. Already constructed 295946 states. Currently 14172 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 260.3s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 244.4s, HoareTripleCheckerStatistics: 289 SDtfs, 519 SDslu, 372 SDs, 0 SdLazy, 571 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51472occurred 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: 8.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 49680 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 3968 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 9/9 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