/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/14_spin2003.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 11:51:44,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 11:51:44,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 11:51:44,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 11:51:44,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 11:51:44,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 11:51:44,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 11:51:44,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 11:51:44,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 11:51:44,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 11:51:44,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 11:51:44,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 11:51:44,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 11:51:44,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 11:51:44,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 11:51:44,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 11:51:44,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 11:51:44,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 11:51:44,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 11:51:44,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 11:51:44,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 11:51:44,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 11:51:44,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 11:51:44,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 11:51:44,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 11:51:44,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 11:51:44,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 11:51:44,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 11:51:44,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 11:51:44,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 11:51:44,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 11:51:44,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 11:51:44,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 11:51:44,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 11:51:44,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 11:51:44,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 11:51:44,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 11:51:44,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 11:51:44,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 11:51:44,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 11:51:44,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 11:51:44,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-18 11:51:45,018 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 11:51:45,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 11:51:45,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 11:51:45,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 11:51:45,020 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 11:51:45,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 11:51:45,021 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 11:51:45,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 11:51:45,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 11:51:45,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 11:51:45,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 11:51:45,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 11:51:45,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 11:51:45,023 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 11:51:45,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 11:51:45,023 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 11:51:45,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 11:51:45,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 11:51:45,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 11:51:45,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 11:51:45,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 11:51:45,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 11:51:45,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 11:51:45,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 11:51:45,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 11:51:45,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 11:51:45,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 11:51:45,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 11:51:45,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 11:51:45,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 11:51:45,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 11:51:45,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 11:51:45,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 11:51:45,326 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 11:51:45,326 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 11:51:45,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/14_spin2003.i [2019-12-18 11:51:45,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1730aff/8966873a32e44a988c759d981e49e2f3/FLAG7bbf1a3f9 [2019-12-18 11:51:45,912 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 11:51:45,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/14_spin2003.i [2019-12-18 11:51:45,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1730aff/8966873a32e44a988c759d981e49e2f3/FLAG7bbf1a3f9 [2019-12-18 11:51:46,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1730aff/8966873a32e44a988c759d981e49e2f3 [2019-12-18 11:51:46,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 11:51:46,236 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 11:51:46,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 11:51:46,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 11:51:46,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 11:51:46,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:51:46" (1/1) ... [2019-12-18 11:51:46,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ff023b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46, skipping insertion in model container [2019-12-18 11:51:46,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:51:46" (1/1) ... [2019-12-18 11:51:46,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 11:51:46,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 11:51:46,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 11:51:46,805 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 11:51:46,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 11:51:46,955 INFO L208 MainTranslator]: Completed translation [2019-12-18 11:51:46,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46 WrapperNode [2019-12-18 11:51:46,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 11:51:46,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 11:51:46,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 11:51:46,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 11:51:46,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46" (1/1) ... [2019-12-18 11:51:46,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46" (1/1) ... [2019-12-18 11:51:47,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 11:51:47,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 11:51:47,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 11:51:47,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 11:51:47,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46" (1/1) ... [2019-12-18 11:51:47,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46" (1/1) ... [2019-12-18 11:51:47,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46" (1/1) ... [2019-12-18 11:51:47,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46" (1/1) ... [2019-12-18 11:51:47,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46" (1/1) ... [2019-12-18 11:51:47,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46" (1/1) ... [2019-12-18 11:51:47,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46" (1/1) ... [2019-12-18 11:51:47,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 11:51:47,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 11:51:47,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 11:51:47,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 11:51:47,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46" (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 [2019-12-18 11:51:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-18 11:51:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-18 11:51:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 11:51:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 11:51:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 11:51:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 11:51:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 11:51:47,113 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 11:51:47,236 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-18 11:51:47,241 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-18 11:51:47,368 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 11:51:47,369 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-18 11:51:47,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:51:47 BoogieIcfgContainer [2019-12-18 11:51:47,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 11:51:47,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 11:51:47,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 11:51:47,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 11:51:47,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:51:46" (1/3) ... [2019-12-18 11:51:47,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6593921e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:51:47, skipping insertion in model container [2019-12-18 11:51:47,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:46" (2/3) ... [2019-12-18 11:51:47,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6593921e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:51:47, skipping insertion in model container [2019-12-18 11:51:47,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:51:47" (3/3) ... [2019-12-18 11:51:47,393 INFO L109 eAbstractionObserver]: Analyzing ICFG 14_spin2003.i [2019-12-18 11:51:47,405 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 11:51:47,406 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 11:51:47,422 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 11:51:47,423 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 11:51:47,456 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:47,456 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:47,456 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:47,457 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:47,458 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:47,458 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:47,462 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:47,462 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:47,463 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:47,463 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:47,479 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-18 11:51:47,495 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 11:51:47,496 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 11:51:47,496 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 11:51:47,496 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 11:51:47,496 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 11:51:47,496 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 11:51:47,497 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 11:51:47,497 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 11:51:47,506 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 29 transitions [2019-12-18 11:51:47,508 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 30 places, 29 transitions [2019-12-18 11:51:47,538 INFO L126 PetriNetUnfolder]: 3/37 cut-off events. [2019-12-18 11:51:47,538 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:51:47,544 INFO L76 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 37 events. 3/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs. 5/36 useless extension candidates. Maximal degree in co-relation 19. Up to 4 conditions per place. [2019-12-18 11:51:47,548 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 30 places, 29 transitions [2019-12-18 11:51:47,560 INFO L126 PetriNetUnfolder]: 3/37 cut-off events. [2019-12-18 11:51:47,560 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:51:47,562 INFO L76 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 37 events. 3/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs. 5/36 useless extension candidates. Maximal degree in co-relation 19. Up to 4 conditions per place. [2019-12-18 11:51:47,564 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 200 [2019-12-18 11:51:47,565 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 11:51:48,130 INFO L206 etLargeBlockEncoding]: Checked pairs total: 144 [2019-12-18 11:51:48,130 INFO L214 etLargeBlockEncoding]: Total number of compositions: 26 [2019-12-18 11:51:48,134 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 9 places, 8 transitions [2019-12-18 11:51:48,142 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2019-12-18 11:51:48,145 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-18 11:51:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-18 11:51:48,151 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:51:48,152 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-18 11:51:48,152 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 11:51:48,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:51:48,159 INFO L82 PathProgramCache]: Analyzing trace with hash 4226274, now seen corresponding path program 1 times [2019-12-18 11:51:48,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:51:48,169 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444818297] [2019-12-18 11:51:48,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:51:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 11:51:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 11:51:48,314 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444818297] [2019-12-18 11:51:48,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 11:51:48,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 11:51:48,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612831423] [2019-12-18 11:51:48,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-18 11:51:48,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 11:51:48,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-18 11:51:48,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-18 11:51:48,335 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-12-18 11:51:48,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 11:51:48,345 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-12-18 11:51:48,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-18 11:51:48,347 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2019-12-18 11:51:48,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 11:51:48,355 INFO L225 Difference]: With dead ends: 11 [2019-12-18 11:51:48,355 INFO L226 Difference]: Without dead ends: 11 [2019-12-18 11:51:48,357 INFO L631 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 [2019-12-18 11:51:48,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-12-18 11:51:48,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-18 11:51:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-18 11:51:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-12-18 11:51:48,385 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2019-12-18 11:51:48,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 11:51:48,385 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-12-18 11:51:48,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-18 11:51:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-12-18 11:51:48,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 11:51:48,386 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:51:48,386 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-18 11:51:48,387 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 11:51:48,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:51:48,387 INFO L82 PathProgramCache]: Analyzing trace with hash -233566167, now seen corresponding path program 1 times [2019-12-18 11:51:48,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:51:48,388 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092617265] [2019-12-18 11:51:48,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:51:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 11:51:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 11:51:48,449 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 11:51:48,450 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 11:51:48,451 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 11:51:48,451 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-18 11:51:48,457 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,458 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,458 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,458 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,459 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,459 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,459 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,460 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,460 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,460 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,460 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,461 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,461 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,461 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,462 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,462 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,464 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,464 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,464 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,465 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:48,469 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-18 11:51:48,469 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 11:51:48,469 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 11:51:48,469 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 11:51:48,470 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 11:51:48,470 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 11:51:48,470 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 11:51:48,470 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 11:51:48,470 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 11:51:48,472 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 40 transitions [2019-12-18 11:51:48,472 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions [2019-12-18 11:51:48,495 INFO L126 PetriNetUnfolder]: 5/57 cut-off events. [2019-12-18 11:51:48,495 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:51:48,500 INFO L76 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 57 events. 5/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 123 event pairs. 14/61 useless extension candidates. Maximal degree in co-relation 38. Up to 6 conditions per place. [2019-12-18 11:51:48,505 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions [2019-12-18 11:51:48,530 INFO L126 PetriNetUnfolder]: 5/57 cut-off events. [2019-12-18 11:51:48,530 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:51:48,532 INFO L76 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 57 events. 5/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 123 event pairs. 14/61 useless extension candidates. Maximal degree in co-relation 38. Up to 6 conditions per place. [2019-12-18 11:51:48,534 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 620 [2019-12-18 11:51:48,534 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 11:51:49,021 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2048 [2019-12-18 11:51:49,021 INFO L214 etLargeBlockEncoding]: Total number of compositions: 24 [2019-12-18 11:51:49,021 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 21 transitions [2019-12-18 11:51:49,037 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 316 states. [2019-12-18 11:51:49,037 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states. [2019-12-18 11:51:49,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 11:51:49,038 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:51:49,038 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 11:51:49,039 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 11:51:49,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:51:49,039 INFO L82 PathProgramCache]: Analyzing trace with hash 183210113, now seen corresponding path program 1 times [2019-12-18 11:51:49,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:51:49,040 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271276089] [2019-12-18 11:51:49,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:51:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 11:51:49,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 11:51:49,105 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271276089] [2019-12-18 11:51:49,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 11:51:49,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 11:51:49,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20577889] [2019-12-18 11:51:49,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 11:51:49,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 11:51:49,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 11:51:49,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:51:49,107 INFO L87 Difference]: Start difference. First operand 316 states. Second operand 3 states. [2019-12-18 11:51:49,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 11:51:49,166 INFO L93 Difference]: Finished difference Result 256 states and 584 transitions. [2019-12-18 11:51:49,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 11:51:49,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-18 11:51:49,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 11:51:49,182 INFO L225 Difference]: With dead ends: 256 [2019-12-18 11:51:49,183 INFO L226 Difference]: Without dead ends: 256 [2019-12-18 11:51:49,183 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:51:49,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2019-12-18 11:51:49,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 236. [2019-12-18 11:51:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-12-18 11:51:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 537 transitions. [2019-12-18 11:51:49,246 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 537 transitions. Word has length 7 [2019-12-18 11:51:49,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 11:51:49,252 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 537 transitions. [2019-12-18 11:51:49,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 11:51:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 537 transitions. [2019-12-18 11:51:49,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-18 11:51:49,253 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:51:49,253 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2019-12-18 11:51:49,254 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 11:51:49,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:51:49,257 INFO L82 PathProgramCache]: Analyzing trace with hash -836567895, now seen corresponding path program 1 times [2019-12-18 11:51:49,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:51:49,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43867325] [2019-12-18 11:51:49,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:51:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 11:51:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 11:51:49,304 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 11:51:49,304 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 11:51:49,305 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 11:51:49,305 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-18 11:51:49,317 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,317 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,318 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,320 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,320 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,321 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,321 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,321 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,321 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,322 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,322 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,322 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,323 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,323 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,324 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,324 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,324 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,324 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,325 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,325 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,326 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,326 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,329 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,329 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,329 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,330 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,332 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,333 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,333 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,333 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:49,336 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 11:51:49,336 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 11:51:49,337 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 11:51:49,337 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 11:51:49,337 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 11:51:49,337 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 11:51:49,337 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 11:51:49,337 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 11:51:49,338 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 11:51:49,341 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 51 transitions [2019-12-18 11:51:49,342 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 54 places, 51 transitions [2019-12-18 11:51:49,371 INFO L126 PetriNetUnfolder]: 7/77 cut-off events. [2019-12-18 11:51:49,372 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:51:49,377 INFO L76 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 77 events. 7/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 187 event pairs. 27/90 useless extension candidates. Maximal degree in co-relation 61. Up to 8 conditions per place. [2019-12-18 11:51:49,385 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 54 places, 51 transitions [2019-12-18 11:51:49,411 INFO L126 PetriNetUnfolder]: 7/77 cut-off events. [2019-12-18 11:51:49,411 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:51:49,415 INFO L76 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 77 events. 7/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 187 event pairs. 27/90 useless extension candidates. Maximal degree in co-relation 61. Up to 8 conditions per place. [2019-12-18 11:51:49,418 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2019-12-18 11:51:49,419 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 11:51:50,081 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4852 [2019-12-18 11:51:50,082 INFO L214 etLargeBlockEncoding]: Total number of compositions: 31 [2019-12-18 11:51:50,082 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 30 transitions [2019-12-18 11:51:50,203 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2500 states. [2019-12-18 11:51:50,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states. [2019-12-18 11:51:50,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 11:51:50,204 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:51:50,204 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 11:51:50,204 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 11:51:50,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:51:50,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1692748366, now seen corresponding path program 1 times [2019-12-18 11:51:50,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:51:50,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474069445] [2019-12-18 11:51:50,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:51:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 11:51:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 11:51:50,277 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474069445] [2019-12-18 11:51:50,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 11:51:50,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 11:51:50,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628070608] [2019-12-18 11:51:50,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 11:51:50,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 11:51:50,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 11:51:50,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:51:50,280 INFO L87 Difference]: Start difference. First operand 2500 states. Second operand 3 states. [2019-12-18 11:51:50,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 11:51:50,361 INFO L93 Difference]: Finished difference Result 2382 states and 7294 transitions. [2019-12-18 11:51:50,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 11:51:50,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-18 11:51:50,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 11:51:50,384 INFO L225 Difference]: With dead ends: 2382 [2019-12-18 11:51:50,385 INFO L226 Difference]: Without dead ends: 2382 [2019-12-18 11:51:50,385 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:51:50,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2019-12-18 11:51:50,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2059. [2019-12-18 11:51:50,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2059 states. [2019-12-18 11:51:50,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 6312 transitions. [2019-12-18 11:51:50,500 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 6312 transitions. Word has length 7 [2019-12-18 11:51:50,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 11:51:50,500 INFO L462 AbstractCegarLoop]: Abstraction has 2059 states and 6312 transitions. [2019-12-18 11:51:50,501 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 11:51:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 6312 transitions. [2019-12-18 11:51:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 11:51:50,504 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:51:50,504 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 11:51:50,505 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 11:51:50,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:51:50,505 INFO L82 PathProgramCache]: Analyzing trace with hash -269786627, now seen corresponding path program 1 times [2019-12-18 11:51:50,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:51:50,506 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270724267] [2019-12-18 11:51:50,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:51:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 11:51:50,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 11:51:50,564 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270724267] [2019-12-18 11:51:50,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 11:51:50,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 11:51:50,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595514884] [2019-12-18 11:51:50,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 11:51:50,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 11:51:50,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 11:51:50,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:51:50,566 INFO L87 Difference]: Start difference. First operand 2059 states and 6312 transitions. Second operand 3 states. [2019-12-18 11:51:50,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 11:51:50,586 INFO L93 Difference]: Finished difference Result 510 states and 1147 transitions. [2019-12-18 11:51:50,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 11:51:50,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-18 11:51:50,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 11:51:50,590 INFO L225 Difference]: With dead ends: 510 [2019-12-18 11:51:50,591 INFO L226 Difference]: Without dead ends: 510 [2019-12-18 11:51:50,591 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:51:50,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2019-12-18 11:51:50,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2019-12-18 11:51:50,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-12-18 11:51:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 1147 transitions. [2019-12-18 11:51:50,605 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 1147 transitions. Word has length 12 [2019-12-18 11:51:50,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 11:51:50,606 INFO L462 AbstractCegarLoop]: Abstraction has 510 states and 1147 transitions. [2019-12-18 11:51:50,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 11:51:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1147 transitions. [2019-12-18 11:51:50,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 11:51:50,607 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:51:50,607 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2019-12-18 11:51:50,607 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 11:51:50,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:51:50,608 INFO L82 PathProgramCache]: Analyzing trace with hash 988221295, now seen corresponding path program 1 times [2019-12-18 11:51:50,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:51:50,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039265392] [2019-12-18 11:51:50,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:51:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 11:51:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 11:51:50,634 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 11:51:50,634 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 11:51:50,634 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 11:51:50,635 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-18 11:51:50,641 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,641 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,641 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,641 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,642 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,642 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,642 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,643 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,643 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,643 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,643 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,643 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,644 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,644 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,645 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,645 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,646 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,647 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,657 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,657 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,658 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,658 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,660 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,660 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,666 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,666 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:50,670 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-18 11:51:50,670 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 11:51:50,670 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 11:51:50,670 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 11:51:50,671 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 11:51:50,671 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 11:51:50,671 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 11:51:50,671 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 11:51:50,671 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 11:51:50,672 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 62 transitions [2019-12-18 11:51:50,673 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions [2019-12-18 11:51:50,696 INFO L126 PetriNetUnfolder]: 9/97 cut-off events. [2019-12-18 11:51:50,696 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:51:50,700 INFO L76 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 97 events. 9/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 227 event pairs. 44/123 useless extension candidates. Maximal degree in co-relation 86. Up to 10 conditions per place. [2019-12-18 11:51:50,704 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions [2019-12-18 11:51:50,729 INFO L126 PetriNetUnfolder]: 9/97 cut-off events. [2019-12-18 11:51:50,729 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:51:50,731 INFO L76 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 97 events. 9/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 227 event pairs. 44/123 useless extension candidates. Maximal degree in co-relation 86. Up to 10 conditions per place. [2019-12-18 11:51:50,735 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2120 [2019-12-18 11:51:50,736 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 11:51:51,651 INFO L206 etLargeBlockEncoding]: Checked pairs total: 8985 [2019-12-18 11:51:51,652 INFO L214 etLargeBlockEncoding]: Total number of compositions: 38 [2019-12-18 11:51:51,652 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 39 transitions [2019-12-18 11:51:53,384 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19968 states. [2019-12-18 11:51:53,384 INFO L276 IsEmpty]: Start isEmpty. Operand 19968 states. [2019-12-18 11:51:53,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 11:51:53,385 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:51:53,385 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 11:51:53,385 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 11:51:53,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:51:53,385 INFO L82 PathProgramCache]: Analyzing trace with hash 339964421, now seen corresponding path program 1 times [2019-12-18 11:51:53,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:51:53,386 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594105571] [2019-12-18 11:51:53,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:51:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 11:51:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 11:51:53,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594105571] [2019-12-18 11:51:53,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 11:51:53,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 11:51:53,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011646683] [2019-12-18 11:51:53,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 11:51:53,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 11:51:53,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 11:51:53,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:51:53,418 INFO L87 Difference]: Start difference. First operand 19968 states. Second operand 3 states. [2019-12-18 11:51:53,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 11:51:53,750 INFO L93 Difference]: Finished difference Result 21313 states and 82179 transitions. [2019-12-18 11:51:53,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 11:51:53,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-18 11:51:53,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 11:51:53,899 INFO L225 Difference]: With dead ends: 21313 [2019-12-18 11:51:53,899 INFO L226 Difference]: Without dead ends: 21313 [2019-12-18 11:51:53,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:51:55,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21313 states. [2019-12-18 11:51:55,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21313 to 17855. [2019-12-18 11:51:55,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17855 states. [2019-12-18 11:51:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17855 states to 17855 states and 69278 transitions. [2019-12-18 11:51:55,575 INFO L78 Accepts]: Start accepts. Automaton has 17855 states and 69278 transitions. Word has length 7 [2019-12-18 11:51:55,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 11:51:55,575 INFO L462 AbstractCegarLoop]: Abstraction has 17855 states and 69278 transitions. [2019-12-18 11:51:55,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 11:51:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 17855 states and 69278 transitions. [2019-12-18 11:51:55,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 11:51:55,580 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:51:55,580 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 11:51:55,581 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 11:51:55,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:51:55,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1208148184, now seen corresponding path program 1 times [2019-12-18 11:51:55,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:51:55,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514505608] [2019-12-18 11:51:55,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:51:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 11:51:55,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-18 11:51:55,645 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514505608] [2019-12-18 11:51:55,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 11:51:55,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 11:51:55,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100180463] [2019-12-18 11:51:55,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 11:51:55,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 11:51:55,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 11:51:55,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:51:55,649 INFO L87 Difference]: Start difference. First operand 17855 states and 69278 transitions. Second operand 3 states. [2019-12-18 11:51:55,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 11:51:55,856 INFO L93 Difference]: Finished difference Result 1917 states and 4962 transitions. [2019-12-18 11:51:55,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 11:51:55,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-18 11:51:55,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 11:51:55,862 INFO L225 Difference]: With dead ends: 1917 [2019-12-18 11:51:55,863 INFO L226 Difference]: Without dead ends: 1917 [2019-12-18 11:51:55,864 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:51:55,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2019-12-18 11:51:55,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1917. [2019-12-18 11:51:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1917 states. [2019-12-18 11:51:55,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 4962 transitions. [2019-12-18 11:51:55,906 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 4962 transitions. Word has length 12 [2019-12-18 11:51:55,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 11:51:55,907 INFO L462 AbstractCegarLoop]: Abstraction has 1917 states and 4962 transitions. [2019-12-18 11:51:55,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 11:51:55,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 4962 transitions. [2019-12-18 11:51:55,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-18 11:51:55,908 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:51:55,908 INFO L411 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2019-12-18 11:51:55,908 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 11:51:55,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:51:55,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1061051232, now seen corresponding path program 1 times [2019-12-18 11:51:55,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:51:55,909 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872221858] [2019-12-18 11:51:55,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:51:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 11:51:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 11:51:55,970 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 11:51:55,971 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 11:51:55,971 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 11:51:55,971 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-18 11:51:55,982 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,982 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,983 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,983 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,984 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,984 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,985 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,986 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,986 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,986 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,987 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,987 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,988 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,988 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,988 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,989 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,989 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,989 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,990 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,991 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,992 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,992 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,992 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,992 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,994 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,994 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,994 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,994 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,995 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,995 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,995 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,996 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,996 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,996 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,998 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,998 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,998 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:55,998 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,000 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,000 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,000 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,000 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,002 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,002 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,005 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,005 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,005 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,006 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:51:56,008 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-18 11:51:56,008 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 11:51:56,009 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 11:51:56,009 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 11:51:56,009 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 11:51:56,009 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 11:51:56,009 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 11:51:56,009 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 11:51:56,010 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 11:51:56,012 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 73 transitions [2019-12-18 11:51:56,013 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 78 places, 73 transitions [2019-12-18 11:51:56,030 INFO L126 PetriNetUnfolder]: 11/117 cut-off events. [2019-12-18 11:51:56,030 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:51:56,033 INFO L76 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 117 events. 11/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 294 event pairs. 65/160 useless extension candidates. Maximal degree in co-relation 113. Up to 12 conditions per place. [2019-12-18 11:51:56,041 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 78 places, 73 transitions [2019-12-18 11:51:56,054 INFO L126 PetriNetUnfolder]: 11/117 cut-off events. [2019-12-18 11:51:56,054 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:51:56,056 INFO L76 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 117 events. 11/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 294 event pairs. 65/160 useless extension candidates. Maximal degree in co-relation 113. Up to 12 conditions per place. [2019-12-18 11:51:56,062 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3200 [2019-12-18 11:51:56,062 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 11:51:57,229 INFO L206 etLargeBlockEncoding]: Checked pairs total: 13863 [2019-12-18 11:51:57,229 INFO L214 etLargeBlockEncoding]: Total number of compositions: 42 [2019-12-18 11:51:57,230 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 46 transitions [2019-12-18 11:52:53,192 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 139808 states. [2019-12-18 11:52:53,192 INFO L276 IsEmpty]: Start isEmpty. Operand 139808 states. [2019-12-18 11:52:53,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 11:52:53,192 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:52:53,192 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 11:52:53,193 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 11:52:53,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:52:53,193 INFO L82 PathProgramCache]: Analyzing trace with hash 97123028, now seen corresponding path program 1 times [2019-12-18 11:52:53,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:52:53,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505617576] [2019-12-18 11:52:53,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:52:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 11:52:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 11:52:53,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505617576] [2019-12-18 11:52:53,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 11:52:53,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 11:52:53,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647549372] [2019-12-18 11:52:53,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 11:52:53,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 11:52:53,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 11:52:53,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:52:53,216 INFO L87 Difference]: Start difference. First operand 139808 states. Second operand 3 states. [2019-12-18 11:52:54,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 11:52:54,518 INFO L93 Difference]: Finished difference Result 161771 states and 749265 transitions. [2019-12-18 11:52:54,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 11:52:54,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-18 11:52:54,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 11:52:59,909 INFO L225 Difference]: With dead ends: 161771 [2019-12-18 11:52:59,909 INFO L226 Difference]: Without dead ends: 161771 [2019-12-18 11:52:59,909 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:53:03,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161771 states. [2019-12-18 11:53:05,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161771 to 134826. [2019-12-18 11:53:05,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134826 states. [2019-12-18 11:53:06,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134826 states to 134826 states and 631449 transitions. [2019-12-18 11:53:06,436 INFO L78 Accepts]: Start accepts. Automaton has 134826 states and 631449 transitions. Word has length 7 [2019-12-18 11:53:06,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 11:53:06,436 INFO L462 AbstractCegarLoop]: Abstraction has 134826 states and 631449 transitions. [2019-12-18 11:53:06,436 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 11:53:06,436 INFO L276 IsEmpty]: Start isEmpty. Operand 134826 states and 631449 transitions. [2019-12-18 11:53:06,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 11:53:06,437 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:53:06,437 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 11:53:06,437 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 11:53:06,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:53:06,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1217805150, now seen corresponding path program 1 times [2019-12-18 11:53:06,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:53:06,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464141024] [2019-12-18 11:53:06,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:53:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 11:53:06,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 11:53:06,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464141024] [2019-12-18 11:53:06,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 11:53:06,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 11:53:06,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997437364] [2019-12-18 11:53:06,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 11:53:06,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 11:53:06,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 11:53:06,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:53:06,462 INFO L87 Difference]: Start difference. First operand 134826 states and 631449 transitions. Second operand 3 states. [2019-12-18 11:53:06,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 11:53:06,503 INFO L93 Difference]: Finished difference Result 5043 states and 13467 transitions. [2019-12-18 11:53:06,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 11:53:06,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-18 11:53:06,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 11:53:06,512 INFO L225 Difference]: With dead ends: 5043 [2019-12-18 11:53:06,512 INFO L226 Difference]: Without dead ends: 5043 [2019-12-18 11:53:06,512 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 11:53:06,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5043 states. [2019-12-18 11:53:06,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5043 to 5043. [2019-12-18 11:53:06,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5043 states. [2019-12-18 11:53:06,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 5043 states and 13467 transitions. [2019-12-18 11:53:06,602 INFO L78 Accepts]: Start accepts. Automaton has 5043 states and 13467 transitions. Word has length 12 [2019-12-18 11:53:06,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 11:53:06,602 INFO L462 AbstractCegarLoop]: Abstraction has 5043 states and 13467 transitions. [2019-12-18 11:53:06,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 11:53:06,602 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 13467 transitions. [2019-12-18 11:53:06,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-18 11:53:06,604 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 11:53:06,604 INFO L411 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 11:53:06,604 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 11:53:06,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 11:53:06,605 INFO L82 PathProgramCache]: Analyzing trace with hash 2013146733, now seen corresponding path program 1 times [2019-12-18 11:53:06,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 11:53:06,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928297859] [2019-12-18 11:53:06,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 11:53:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 11:53:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 11:53:06,633 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 11:53:06,634 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 11:53:06,634 WARN L364 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 11:53:06,634 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2019-12-18 11:53:06,643 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,644 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,644 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,645 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,645 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,646 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,646 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,647 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,647 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,648 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,648 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,649 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,649 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,650 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,650 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,650 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,650 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,652 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,652 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,653 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,653 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,654 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,654 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,655 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,655 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,656 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,656 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,656 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,656 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,658 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,658 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,658 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,658 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,659 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,660 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 11:53:06,661 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-12-18 11:53:06,661 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 11:53:06,662 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 11:53:06,662 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 11:53:06,662 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 11:53:06,662 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 11:53:06,662 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 11:53:06,662 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 11:53:06,662 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 11:53:06,663 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 84 transitions [2019-12-18 11:53:06,664 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 90 places, 84 transitions [2019-12-18 11:53:06,678 INFO L126 PetriNetUnfolder]: 13/137 cut-off events. [2019-12-18 11:53:06,678 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:53:06,681 INFO L76 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 137 events. 13/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 347 event pairs. 90/201 useless extension candidates. Maximal degree in co-relation 141. Up to 14 conditions per place. [2019-12-18 11:53:06,690 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 90 places, 84 transitions [2019-12-18 11:53:06,707 INFO L126 PetriNetUnfolder]: 13/137 cut-off events. [2019-12-18 11:53:06,707 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 11:53:06,710 INFO L76 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 137 events. 13/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 347 event pairs. 90/201 useless extension candidates. Maximal degree in co-relation 141. Up to 14 conditions per place. [2019-12-18 11:53:06,719 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4500 [2019-12-18 11:53:06,719 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 11:53:09,136 INFO L206 etLargeBlockEncoding]: Checked pairs total: 19365 [2019-12-18 11:53:09,136 INFO L214 etLargeBlockEncoding]: Total number of compositions: 46 [2019-12-18 11:53:09,136 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56 places, 53 transitions Received shutdown request... [2019-12-18 11:56:11,962 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-18 11:56:11,965 WARN L227 ceAbstractionStarter]: Timeout [2019-12-18 11:56:11,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 11:56:11 BasicIcfg [2019-12-18 11:56:11,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 11:56:11,968 INFO L168 Benchmark]: Toolchain (without parser) took 265731.65 ms. Allocated memory was 146.3 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 102.1 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2019-12-18 11:56:11,969 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-18 11:56:11,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.71 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 163.3 MB in the end (delta: -61.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-12-18 11:56:11,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.27 ms. Allocated memory is still 204.5 MB. Free memory was 163.3 MB in the beginning and 161.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 11:56:11,972 INFO L168 Benchmark]: Boogie Preprocessor took 24.22 ms. Allocated memory is still 204.5 MB. Free memory was 161.4 MB in the beginning and 160.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-18 11:56:11,973 INFO L168 Benchmark]: RCFGBuilder took 329.89 ms. Allocated memory is still 204.5 MB. Free memory was 160.1 MB in the beginning and 144.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-12-18 11:56:11,974 INFO L168 Benchmark]: TraceAbstraction took 264585.84 ms. Allocated memory was 204.5 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 144.0 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2019-12-18 11:56:11,978 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.71 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 163.3 MB in the end (delta: -61.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 60.27 ms. Allocated memory is still 204.5 MB. Free memory was 163.3 MB in the beginning and 161.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.22 ms. Allocated memory is still 204.5 MB. Free memory was 161.4 MB in the beginning and 160.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.89 ms. Allocated memory is still 204.5 MB. Free memory was 160.1 MB in the beginning and 144.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 264585.84 ms. Allocated memory was 204.5 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 144.0 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.6s, 30 ProgramPointsBefore, 9 ProgramPointsAfterwards, 29 TransitionsBefore, 8 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 6 FixpointIterations, 7 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 94 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 144 CheckedPairsTotal, 26 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.5s, 42 ProgramPointsBefore, 22 ProgramPointsAfterwards, 40 TransitionsBefore, 21 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 6 FixpointIterations, 7 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 288 VarBasedMoverChecksPositive, 35 VarBasedMoverChecksNegative, 24 SemBasedMoverChecksPositive, 19 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 2048 CheckedPairsTotal, 24 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 54 ProgramPointsBefore, 31 ProgramPointsAfterwards, 51 TransitionsBefore, 30 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 7 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 627 VarBasedMoverChecksPositive, 119 VarBasedMoverChecksNegative, 131 SemBasedMoverChecksPositive, 37 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 4852 CheckedPairsTotal, 31 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 66 ProgramPointsBefore, 40 ProgramPointsAfterwards, 62 TransitionsBefore, 39 TransitionsAfterwards, 2120 CoEnabledTransitionPairs, 6 FixpointIterations, 7 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 924 VarBasedMoverChecksPositive, 265 VarBasedMoverChecksNegative, 319 SemBasedMoverChecksPositive, 59 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 8985 CheckedPairsTotal, 38 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.2s, 78 ProgramPointsBefore, 48 ProgramPointsAfterwards, 73 TransitionsBefore, 46 TransitionsAfterwards, 3200 CoEnabledTransitionPairs, 6 FixpointIterations, 7 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 3 ChoiceCompositions, 1318 VarBasedMoverChecksPositive, 327 VarBasedMoverChecksNegative, 440 SemBasedMoverChecksPositive, 58 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 0 MoverChecksTotal, 13863 CheckedPairsTotal, 42 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 90 ProgramPointsBefore, 56 ProgramPointsAfterwards, 84 TransitionsBefore, 53 TransitionsAfterwards, 4500 CoEnabledTransitionPairs, 6 FixpointIterations, 7 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 4 ChoiceCompositions, 1947 VarBasedMoverChecksPositive, 411 VarBasedMoverChecksNegative, 478 SemBasedMoverChecksPositive, 93 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.9s, 0 MoverChecksTotal, 19365 CheckedPairsTotal, 46 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 689]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 689). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 56 places, 53 transitions. Already constructed 297002 states. Currently 72778 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Result: TIMEOUT, OverallTime: 185.3s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown