/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 19:45:50,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 19:45:50,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 19:45:50,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 19:45:50,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 19:45:50,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 19:45:50,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 19:45:50,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 19:45:50,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 19:45:50,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 19:45:50,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 19:45:50,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 19:45:50,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 19:45:50,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 19:45:50,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 19:45:50,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 19:45:50,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 19:45:50,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 19:45:50,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 19:45:50,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 19:45:50,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 19:45:50,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 19:45:50,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 19:45:50,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 19:45:50,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 19:45:50,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 19:45:50,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 19:45:50,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 19:45:50,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 19:45:50,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 19:45:50,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 19:45:50,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 19:45:50,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 19:45:50,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 19:45:50,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 19:45:50,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 19:45:50,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 19:45:50,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 19:45:50,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 19:45:50,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 19:45:50,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 19:45:50,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2019-12-18 19:45:50,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 19:45:50,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 19:45:50,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 19:45:50,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 19:45:50,935 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 19:45:50,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 19:45:50,935 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 19:45:50,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 19:45:50,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 19:45:50,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 19:45:50,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 19:45:50,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 19:45:50,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 19:45:50,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 19:45:50,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 19:45:50,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 19:45:50,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 19:45:50,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 19:45:50,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 19:45:50,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 19:45:50,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 19:45:50,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 19:45:50,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 19:45:50,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 19:45:50,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 19:45:50,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 19:45:50,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 19:45:50,941 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-18 19:45:50,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 19:45:50,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 19:45:51,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 19:45:51,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 19:45:51,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 19:45:51,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 19:45:51,288 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 19:45:51,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2019-12-18 19:45:51,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0ff2287/ad4e6ad329414e13bf4c30aac9328d63/FLAG8bff30b4b [2019-12-18 19:45:51,961 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 19:45:51,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2019-12-18 19:45:51,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0ff2287/ad4e6ad329414e13bf4c30aac9328d63/FLAG8bff30b4b [2019-12-18 19:45:52,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0ff2287/ad4e6ad329414e13bf4c30aac9328d63 [2019-12-18 19:45:52,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 19:45:52,268 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 19:45:52,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 19:45:52,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 19:45:52,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 19:45:52,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:45:52" (1/1) ... [2019-12-18 19:45:52,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d65c15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52, skipping insertion in model container [2019-12-18 19:45:52,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:45:52" (1/1) ... [2019-12-18 19:45:52,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 19:45:52,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 19:45:52,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 19:45:52,828 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 19:45:52,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 19:45:52,947 INFO L208 MainTranslator]: Completed translation [2019-12-18 19:45:52,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52 WrapperNode [2019-12-18 19:45:52,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 19:45:52,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 19:45:52,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 19:45:52,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 19:45:52,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52" (1/1) ... [2019-12-18 19:45:52,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52" (1/1) ... [2019-12-18 19:45:52,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 19:45:53,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 19:45:53,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 19:45:53,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 19:45:53,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52" (1/1) ... [2019-12-18 19:45:53,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52" (1/1) ... [2019-12-18 19:45:53,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52" (1/1) ... [2019-12-18 19:45:53,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52" (1/1) ... [2019-12-18 19:45:53,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52" (1/1) ... [2019-12-18 19:45:53,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52" (1/1) ... [2019-12-18 19:45:53,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52" (1/1) ... [2019-12-18 19:45:53,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 19:45:53,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 19:45:53,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 19:45:53,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 19:45:53,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52" (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 19:45:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-12-18 19:45:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-12-18 19:45:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2019-12-18 19:45:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2019-12-18 19:45:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-18 19:45:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-18 19:45:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 19:45:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 19:45:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 19:45:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 19:45:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 19:45:53,092 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 19:45:53,273 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-18 19:45:53,277 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-18 19:45:53,343 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-18 19:45:53,344 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-18 19:45:53,344 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-12-18 19:45:53,346 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-12-18 19:45:53,408 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-18 19:45:53,408 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-18 19:45:53,476 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 19:45:53,476 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 19:45:53,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:45:53 BoogieIcfgContainer [2019-12-18 19:45:53,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 19:45:53,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 19:45:53,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 19:45:53,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 19:45:53,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 07:45:52" (1/3) ... [2019-12-18 19:45:53,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d991f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:45:53, skipping insertion in model container [2019-12-18 19:45:53,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:45:52" (2/3) ... [2019-12-18 19:45:53,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d991f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:45:53, skipping insertion in model container [2019-12-18 19:45:53,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:45:53" (3/3) ... [2019-12-18 19:45:53,492 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2019-12-18 19:45:53,503 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 19:45:53,503 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 19:45:53,511 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-18 19:45:53,512 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 19:45:53,543 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,544 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,545 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,545 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,546 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,547 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,549 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,549 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,549 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,549 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,550 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,550 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,551 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,551 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,551 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,552 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,552 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,553 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,554 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,554 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,554 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,554 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,555 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,558 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,559 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,559 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,560 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,563 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,563 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,563 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,564 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,564 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,568 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,568 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,569 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,569 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:53,585 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-18 19:45:53,606 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 19:45:53,607 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 19:45:53,607 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 19:45:53,607 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 19:45:53,607 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 19:45:53,607 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 19:45:53,607 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 19:45:53,608 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 19:45:53,622 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 67 transitions [2019-12-18 19:45:53,624 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 69 places, 67 transitions [2019-12-18 19:45:53,670 INFO L126 PetriNetUnfolder]: 8/73 cut-off events. [2019-12-18 19:45:53,670 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:45:53,679 INFO L76 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 73 events. 8/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 126 event pairs. 11/72 useless extension candidates. Maximal degree in co-relation 65. Up to 4 conditions per place. [2019-12-18 19:45:53,686 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 69 places, 67 transitions [2019-12-18 19:45:53,707 INFO L126 PetriNetUnfolder]: 8/73 cut-off events. [2019-12-18 19:45:53,707 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:45:53,710 INFO L76 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 73 events. 8/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 126 event pairs. 11/72 useless extension candidates. Maximal degree in co-relation 65. Up to 4 conditions per place. [2019-12-18 19:45:53,715 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1656 [2019-12-18 19:45:53,716 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 19:45:54,498 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3801 [2019-12-18 19:45:54,498 INFO L214 etLargeBlockEncoding]: Total number of compositions: 34 [2019-12-18 19:45:54,502 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 35 transitions [2019-12-18 19:45:54,662 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1932 states. [2019-12-18 19:45:54,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states. [2019-12-18 19:45:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 19:45:54,678 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:45:54,679 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:45:54,679 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:45:54,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:45:54,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1396576365, now seen corresponding path program 1 times [2019-12-18 19:45:54,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:45:54,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492564626] [2019-12-18 19:45:54,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:45:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:45:54,935 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 19:45:54,935 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492564626] [2019-12-18 19:45:54,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:45:54,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 19:45:54,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967113736] [2019-12-18 19:45:54,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 19:45:54,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:45:54,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 19:45:54,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:45:54,968 INFO L87 Difference]: Start difference. First operand 1932 states. Second operand 3 states. [2019-12-18 19:45:55,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:45:55,100 INFO L93 Difference]: Finished difference Result 2076 states and 7292 transitions. [2019-12-18 19:45:55,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 19:45:55,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-18 19:45:55,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:45:55,150 INFO L225 Difference]: With dead ends: 2076 [2019-12-18 19:45:55,151 INFO L226 Difference]: Without dead ends: 2076 [2019-12-18 19:45:55,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:45:55,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2019-12-18 19:45:55,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2016. [2019-12-18 19:45:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2016 states. [2019-12-18 19:45:55,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 7159 transitions. [2019-12-18 19:45:55,380 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 7159 transitions. Word has length 7 [2019-12-18 19:45:55,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:45:55,381 INFO L462 AbstractCegarLoop]: Abstraction has 2016 states and 7159 transitions. [2019-12-18 19:45:55,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 19:45:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 7159 transitions. [2019-12-18 19:45:55,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-18 19:45:55,383 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:45:55,391 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:45:55,391 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:45:55,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:45:55,392 INFO L82 PathProgramCache]: Analyzing trace with hash 2045020788, now seen corresponding path program 1 times [2019-12-18 19:45:55,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:45:55,392 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150040700] [2019-12-18 19:45:55,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:45:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:45:55,523 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 19:45:55,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150040700] [2019-12-18 19:45:55,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:45:55,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 19:45:55,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613523093] [2019-12-18 19:45:55,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 19:45:55,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:45:55,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 19:45:55,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-18 19:45:55,527 INFO L87 Difference]: Start difference. First operand 2016 states and 7159 transitions. Second operand 6 states. [2019-12-18 19:45:55,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:45:55,720 INFO L93 Difference]: Finished difference Result 1504 states and 4528 transitions. [2019-12-18 19:45:55,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-18 19:45:55,720 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-12-18 19:45:55,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:45:55,732 INFO L225 Difference]: With dead ends: 1504 [2019-12-18 19:45:55,732 INFO L226 Difference]: Without dead ends: 1504 [2019-12-18 19:45:55,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-12-18 19:45:55,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2019-12-18 19:45:55,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1084. [2019-12-18 19:45:55,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1084 states. [2019-12-18 19:45:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 3284 transitions. [2019-12-18 19:45:55,777 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 3284 transitions. Word has length 9 [2019-12-18 19:45:55,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:45:55,777 INFO L462 AbstractCegarLoop]: Abstraction has 1084 states and 3284 transitions. [2019-12-18 19:45:55,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 19:45:55,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 3284 transitions. [2019-12-18 19:45:55,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 19:45:55,779 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:45:55,779 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:45:55,779 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:45:55,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:45:55,780 INFO L82 PathProgramCache]: Analyzing trace with hash -43818607, now seen corresponding path program 1 times [2019-12-18 19:45:55,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:45:55,780 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007365459] [2019-12-18 19:45:55,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:45:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 19:45:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 19:45:55,833 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 19:45:55,833 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 19:45:55,834 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 19:45:55,834 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-18 19:45:55,845 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,845 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,845 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,845 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,846 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,846 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,846 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,847 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,847 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,847 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,847 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,847 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,848 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,848 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,848 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,848 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,849 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,849 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,849 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,849 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,850 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,850 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,850 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,851 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,851 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,851 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,851 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,851 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,852 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,852 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,852 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,852 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,853 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,853 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,853 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,853 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,854 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,854 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,854 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,854 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,855 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,855 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,855 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,855 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,855 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,855 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,856 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,856 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,856 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,857 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,859 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,860 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,860 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,860 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,862 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,862 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,863 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,863 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,863 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,865 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,865 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,865 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,866 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,866 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,867 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,868 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,868 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,868 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,869 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,870 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,870 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,870 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:45:55,871 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-12-18 19:45:55,871 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 19:45:55,871 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 19:45:55,872 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 19:45:55,872 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 19:45:55,872 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 19:45:55,872 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 19:45:55,872 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 19:45:55,872 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 19:45:55,875 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 107 transitions [2019-12-18 19:45:55,875 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 109 places, 107 transitions [2019-12-18 19:45:55,913 INFO L126 PetriNetUnfolder]: 12/103 cut-off events. [2019-12-18 19:45:55,915 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:45:55,920 INFO L76 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 103 events. 12/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 248 event pairs. 26/111 useless extension candidates. Maximal degree in co-relation 114. Up to 6 conditions per place. [2019-12-18 19:45:55,928 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 109 places, 107 transitions [2019-12-18 19:45:55,965 INFO L126 PetriNetUnfolder]: 12/103 cut-off events. [2019-12-18 19:45:55,966 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:45:55,971 INFO L76 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 103 events. 12/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 248 event pairs. 26/111 useless extension candidates. Maximal degree in co-relation 114. Up to 6 conditions per place. [2019-12-18 19:45:55,979 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3610 [2019-12-18 19:45:55,979 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 19:45:56,838 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12982 [2019-12-18 19:45:56,838 INFO L214 etLargeBlockEncoding]: Total number of compositions: 56 [2019-12-18 19:45:56,838 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 60 transitions [2019-12-18 19:45:59,157 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 27017 states. [2019-12-18 19:45:59,157 INFO L276 IsEmpty]: Start isEmpty. Operand 27017 states. [2019-12-18 19:45:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 19:45:59,157 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:45:59,157 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:45:59,158 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:45:59,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:45:59,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1001027854, now seen corresponding path program 1 times [2019-12-18 19:45:59,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:45:59,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695902797] [2019-12-18 19:45:59,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:45:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:45:59,202 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 19:45:59,203 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695902797] [2019-12-18 19:45:59,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:45:59,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 19:45:59,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839845198] [2019-12-18 19:45:59,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 19:45:59,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:45:59,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 19:45:59,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:45:59,204 INFO L87 Difference]: Start difference. First operand 27017 states. Second operand 3 states. [2019-12-18 19:46:00,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:46:00,633 INFO L93 Difference]: Finished difference Result 31625 states and 144668 transitions. [2019-12-18 19:46:00,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 19:46:00,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-18 19:46:00,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:46:00,890 INFO L225 Difference]: With dead ends: 31625 [2019-12-18 19:46:00,891 INFO L226 Difference]: Without dead ends: 31625 [2019-12-18 19:46:00,891 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:46:01,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31625 states. [2019-12-18 19:46:02,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31625 to 30200. [2019-12-18 19:46:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30200 states. [2019-12-18 19:46:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30200 states to 30200 states and 139938 transitions. [2019-12-18 19:46:02,442 INFO L78 Accepts]: Start accepts. Automaton has 30200 states and 139938 transitions. Word has length 8 [2019-12-18 19:46:02,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:46:02,443 INFO L462 AbstractCegarLoop]: Abstraction has 30200 states and 139938 transitions. [2019-12-18 19:46:02,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 19:46:02,443 INFO L276 IsEmpty]: Start isEmpty. Operand 30200 states and 139938 transitions. [2019-12-18 19:46:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 19:46:02,449 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:46:02,450 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:46:02,450 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:46:02,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:46:02,450 INFO L82 PathProgramCache]: Analyzing trace with hash -700821777, now seen corresponding path program 1 times [2019-12-18 19:46:02,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:46:02,451 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112224912] [2019-12-18 19:46:02,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:46:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:46:02,527 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 19:46:02,528 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112224912] [2019-12-18 19:46:02,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:46:02,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 19:46:02,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440463734] [2019-12-18 19:46:02,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 19:46:02,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:46:02,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 19:46:02,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-18 19:46:02,530 INFO L87 Difference]: Start difference. First operand 30200 states and 139938 transitions. Second operand 6 states. [2019-12-18 19:46:02,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:46:02,899 INFO L93 Difference]: Finished difference Result 32445 states and 126183 transitions. [2019-12-18 19:46:02,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-18 19:46:02,900 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-12-18 19:46:02,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:46:04,558 INFO L225 Difference]: With dead ends: 32445 [2019-12-18 19:46:04,558 INFO L226 Difference]: Without dead ends: 32445 [2019-12-18 19:46:04,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-18 19:46:04,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32445 states. [2019-12-18 19:46:05,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32445 to 21939. [2019-12-18 19:46:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21939 states. [2019-12-18 19:46:05,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21939 states to 21939 states and 88654 transitions. [2019-12-18 19:46:05,402 INFO L78 Accepts]: Start accepts. Automaton has 21939 states and 88654 transitions. Word has length 10 [2019-12-18 19:46:05,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:46:05,402 INFO L462 AbstractCegarLoop]: Abstraction has 21939 states and 88654 transitions. [2019-12-18 19:46:05,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 19:46:05,402 INFO L276 IsEmpty]: Start isEmpty. Operand 21939 states and 88654 transitions. [2019-12-18 19:46:05,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 19:46:05,403 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:46:05,403 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:46:05,403 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:46:05,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:46:05,404 INFO L82 PathProgramCache]: Analyzing trace with hash -249180352, now seen corresponding path program 1 times [2019-12-18 19:46:05,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:46:05,404 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598781963] [2019-12-18 19:46:05,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:46:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:46:05,436 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 19:46:05,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598781963] [2019-12-18 19:46:05,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:46:05,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 19:46:05,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271345328] [2019-12-18 19:46:05,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 19:46:05,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:46:05,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 19:46:05,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 19:46:05,444 INFO L87 Difference]: Start difference. First operand 21939 states and 88654 transitions. Second operand 4 states. [2019-12-18 19:46:05,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:46:05,652 INFO L93 Difference]: Finished difference Result 28211 states and 110546 transitions. [2019-12-18 19:46:05,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 19:46:05,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 19:46:05,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:46:05,779 INFO L225 Difference]: With dead ends: 28211 [2019-12-18 19:46:05,779 INFO L226 Difference]: Without dead ends: 28211 [2019-12-18 19:46:05,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 19:46:05,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28211 states. [2019-12-18 19:46:06,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28211 to 20703. [2019-12-18 19:46:06,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20703 states. [2019-12-18 19:46:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20703 states to 20703 states and 82724 transitions. [2019-12-18 19:46:06,518 INFO L78 Accepts]: Start accepts. Automaton has 20703 states and 82724 transitions. Word has length 11 [2019-12-18 19:46:06,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:46:06,519 INFO L462 AbstractCegarLoop]: Abstraction has 20703 states and 82724 transitions. [2019-12-18 19:46:06,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 19:46:06,519 INFO L276 IsEmpty]: Start isEmpty. Operand 20703 states and 82724 transitions. [2019-12-18 19:46:06,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-18 19:46:06,520 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:46:06,520 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:46:06,520 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:46:06,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:46:06,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1822716334, now seen corresponding path program 1 times [2019-12-18 19:46:06,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:46:06,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688265305] [2019-12-18 19:46:06,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:46:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:46:06,609 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 19:46:06,610 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688265305] [2019-12-18 19:46:06,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:46:06,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 19:46:06,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118908358] [2019-12-18 19:46:06,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 19:46:06,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:46:06,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 19:46:06,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:46:06,612 INFO L87 Difference]: Start difference. First operand 20703 states and 82724 transitions. Second operand 3 states. [2019-12-18 19:46:06,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:46:06,711 INFO L93 Difference]: Finished difference Result 19688 states and 72464 transitions. [2019-12-18 19:46:06,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 19:46:06,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-18 19:46:06,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:46:06,757 INFO L225 Difference]: With dead ends: 19688 [2019-12-18 19:46:06,757 INFO L226 Difference]: Without dead ends: 19688 [2019-12-18 19:46:06,757 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 19:46:06,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19688 states. [2019-12-18 19:46:07,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19688 to 17202. [2019-12-18 19:46:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17202 states. [2019-12-18 19:46:07,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17202 states to 17202 states and 64479 transitions. [2019-12-18 19:46:07,319 INFO L78 Accepts]: Start accepts. Automaton has 17202 states and 64479 transitions. Word has length 13 [2019-12-18 19:46:07,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:46:07,320 INFO L462 AbstractCegarLoop]: Abstraction has 17202 states and 64479 transitions. [2019-12-18 19:46:07,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 19:46:07,320 INFO L276 IsEmpty]: Start isEmpty. Operand 17202 states and 64479 transitions. [2019-12-18 19:46:07,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 19:46:07,322 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:46:07,322 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:46:07,323 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 19:46:07,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:46:07,323 INFO L82 PathProgramCache]: Analyzing trace with hash 739328020, now seen corresponding path program 1 times [2019-12-18 19:46:07,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:46:07,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58913526] [2019-12-18 19:46:07,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:46:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 19:46:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 19:46:07,359 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 19:46:07,360 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 19:46:07,360 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 19:46:07,360 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-18 19:46:07,372 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,372 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,373 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,373 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,373 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,373 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,373 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,374 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,374 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,374 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,374 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,374 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,374 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,375 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,375 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,375 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,375 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,375 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,376 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,376 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,376 WARN L315 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,376 WARN L315 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,376 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,376 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,377 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,377 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,377 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,377 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,377 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,378 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,378 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,378 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,378 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,378 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,379 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,379 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,379 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,379 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,379 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,380 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,380 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,380 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,380 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,380 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,380 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,381 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,381 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,381 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,381 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,381 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,382 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,382 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,382 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,382 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,382 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,383 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,383 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,383 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,383 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,383 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,383 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,384 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,384 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,384 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,384 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,384 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,384 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,385 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,385 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,385 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,385 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,385 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,386 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,389 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,389 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,389 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,389 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,391 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,391 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,391 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,392 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,393 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,393 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,393 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,394 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,394 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,395 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,395 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,396 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,396 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,396 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,397 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,397 WARN L315 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,398 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,398 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,398 WARN L315 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,400 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,400 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,400 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,400 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,402 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,402 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,402 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,402 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,403 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,403 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,404 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,404 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:46:07,408 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-12-18 19:46:07,408 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 19:46:07,409 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 19:46:07,409 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 19:46:07,409 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 19:46:07,409 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 19:46:07,409 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 19:46:07,409 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 19:46:07,409 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 19:46:07,411 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 147 transitions [2019-12-18 19:46:07,411 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 149 places, 147 transitions [2019-12-18 19:46:07,430 INFO L126 PetriNetUnfolder]: 16/133 cut-off events. [2019-12-18 19:46:07,430 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:46:07,433 INFO L76 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 133 events. 16/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 371 event pairs. 45/154 useless extension candidates. Maximal degree in co-relation 149. Up to 8 conditions per place. [2019-12-18 19:46:07,442 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 149 places, 147 transitions [2019-12-18 19:46:07,455 INFO L126 PetriNetUnfolder]: 16/133 cut-off events. [2019-12-18 19:46:07,455 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:46:07,457 INFO L76 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 133 events. 16/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 371 event pairs. 45/154 useless extension candidates. Maximal degree in co-relation 149. Up to 8 conditions per place. [2019-12-18 19:46:07,464 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6404 [2019-12-18 19:46:07,464 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 19:46:08,634 INFO L206 etLargeBlockEncoding]: Checked pairs total: 24603 [2019-12-18 19:46:08,634 INFO L214 etLargeBlockEncoding]: Total number of compositions: 77 [2019-12-18 19:46:08,634 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 82 places, 81 transitions [2019-12-18 19:50:07,658 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 351277 states. [2019-12-18 19:50:07,659 INFO L276 IsEmpty]: Start isEmpty. Operand 351277 states. [2019-12-18 19:50:07,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 19:50:07,659 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:50:07,659 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 19:50:07,660 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:50:07,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:50:07,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1301440644, now seen corresponding path program 1 times [2019-12-18 19:50:07,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:50:07,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458191700] [2019-12-18 19:50:07,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:50:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:50:07,734 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 19:50:07,734 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458191700] [2019-12-18 19:50:07,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:50:07,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 19:50:07,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915003656] [2019-12-18 19:50:07,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 19:50:07,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:50:07,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 19:50:07,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 19:50:07,736 INFO L87 Difference]: Start difference. First operand 351277 states. Second operand 3 states. Received shutdown request... [2019-12-18 19:50:20,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 19:50:20,274 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-18 19:50:20,279 WARN L227 ceAbstractionStarter]: Timeout [2019-12-18 19:50:20,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 07:50:20 BasicIcfg [2019-12-18 19:50:20,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 19:50:20,281 INFO L168 Benchmark]: Toolchain (without parser) took 268013.24 ms. Allocated memory was 142.6 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 104.0 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2019-12-18 19:50:20,282 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 142.6 MB. Free memory was 124.5 MB in the beginning and 124.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-18 19:50:20,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.84 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 103.8 MB in the beginning and 163.6 MB in the end (delta: -59.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-12-18 19:50:20,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.57 ms. Allocated memory is still 204.5 MB. Free memory was 163.6 MB in the beginning and 161.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-12-18 19:50:20,285 INFO L168 Benchmark]: Boogie Preprocessor took 30.90 ms. Allocated memory is still 204.5 MB. Free memory was 161.3 MB in the beginning and 159.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-12-18 19:50:20,286 INFO L168 Benchmark]: RCFGBuilder took 452.44 ms. Allocated memory is still 204.5 MB. Free memory was 159.5 MB in the beginning and 138.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-12-18 19:50:20,286 INFO L168 Benchmark]: TraceAbstraction took 266794.82 ms. Allocated memory was 204.5 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 138.0 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2019-12-18 19:50:20,291 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 142.6 MB. Free memory was 124.5 MB in the beginning and 124.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.84 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 103.8 MB in the beginning and 163.6 MB in the end (delta: -59.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.57 ms. Allocated memory is still 204.5 MB. Free memory was 163.6 MB in the beginning and 161.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.90 ms. Allocated memory is still 204.5 MB. Free memory was 161.3 MB in the beginning and 159.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 452.44 ms. Allocated memory is still 204.5 MB. Free memory was 159.5 MB in the beginning and 138.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 266794.82 ms. Allocated memory was 204.5 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 138.0 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.8s, 69 ProgramPointsBefore, 37 ProgramPointsAfterwards, 67 TransitionsBefore, 35 TransitionsAfterwards, 1656 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 4 ChoiceCompositions, 706 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3801 CheckedPairsTotal, 34 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 109 ProgramPointsBefore, 61 ProgramPointsAfterwards, 107 TransitionsBefore, 60 TransitionsAfterwards, 3610 CoEnabledTransitionPairs, 6 FixpointIterations, 22 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 7 ConcurrentYvCompositions, 6 ChoiceCompositions, 1636 VarBasedMoverChecksPositive, 70 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 12982 CheckedPairsTotal, 56 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.2s, 149 ProgramPointsBefore, 82 ProgramPointsAfterwards, 147 TransitionsBefore, 81 TransitionsAfterwards, 6404 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 7 ConcurrentYvCompositions, 9 ChoiceCompositions, 2602 VarBasedMoverChecksPositive, 63 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 24603 CheckedPairsTotal, 77 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 709]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 709). Cancelled while BasicCegarLoop was constructing difference of abstraction (351277states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (298687 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 702]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 702). Cancelled while BasicCegarLoop was constructing difference of abstraction (351277states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (298687 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 60 locations, 2 error locations. Result: TIMEOUT, OverallTime: 252.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 65 SDtfs, 45 SDslu, 43 SDs, 0 SdLazy, 24 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=351277occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 343 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown