/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-231806ee773fbd0554de777ff4074f5592c67ff4-231806e [2021-10-13 22:45:29,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 22:45:29,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 22:45:29,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 22:45:29,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 22:45:29,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 22:45:29,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 22:45:29,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 22:45:29,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 22:45:29,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 22:45:29,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 22:45:29,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 22:45:29,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 22:45:29,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 22:45:29,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 22:45:29,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 22:45:29,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 22:45:29,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 22:45:29,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 22:45:29,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 22:45:29,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 22:45:29,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 22:45:29,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 22:45:29,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 22:45:29,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-13 22:45:29,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 22:45:29,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 22:45:29,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 22:45:29,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-10-13 22:45:29,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 22:45:29,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 22:45:29,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 22:45:29,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 22:45:29,224 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 22:45:29,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 22:45:29,224 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 22:45:29,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 22:45:29,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 22:45:29,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 22:45:29,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 22:45:29,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 22:45:29,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 22:45:29,226 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 22:45:29,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 22:45:29,226 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 22:45:29,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 22:45:29,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 22:45:29,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 22:45:29,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-13 22:45:29,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 22:45:29,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 22:45:29,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 22:45:29,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 22:45:29,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 22:45:29,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 22:45:29,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 22:45:29,227 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-13 22:45:29,228 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-13 22:45:29,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-13 22:45:29,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 22:45:29,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 22:45:29,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 22:45:29,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 22:45:29,394 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 22:45:29,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-10-13 22:45:29,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6495ea5cf/355d70a1dbc14da880c0da5eefc5aace/FLAG2134ae998 [2021-10-13 22:45:29,881 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 22:45:29,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-10-13 22:45:29,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6495ea5cf/355d70a1dbc14da880c0da5eefc5aace/FLAG2134ae998 [2021-10-13 22:45:29,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6495ea5cf/355d70a1dbc14da880c0da5eefc5aace [2021-10-13 22:45:29,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 22:45:29,915 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 22:45:29,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 22:45:29,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 22:45:29,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 22:45:29,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:45:29" (1/1) ... [2021-10-13 22:45:29,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792e9f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:29, skipping insertion in model container [2021-10-13 22:45:29,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:45:29" (1/1) ... [2021-10-13 22:45:29,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 22:45:29,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 22:45:30,351 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-10-13 22:45:30,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 22:45:30,381 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 22:45:30,416 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-10-13 22:45:30,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 22:45:30,486 INFO L208 MainTranslator]: Completed translation [2021-10-13 22:45:30,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:30 WrapperNode [2021-10-13 22:45:30,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 22:45:30,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 22:45:30,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 22:45:30,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 22:45:30,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:30" (1/1) ... [2021-10-13 22:45:30,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:30" (1/1) ... [2021-10-13 22:45:30,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 22:45:30,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 22:45:30,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 22:45:30,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 22:45:30,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:30" (1/1) ... [2021-10-13 22:45:30,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:30" (1/1) ... [2021-10-13 22:45:30,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:30" (1/1) ... [2021-10-13 22:45:30,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:30" (1/1) ... [2021-10-13 22:45:30,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:30" (1/1) ... [2021-10-13 22:45:30,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:30" (1/1) ... [2021-10-13 22:45:30,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:30" (1/1) ... [2021-10-13 22:45:30,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 22:45:30,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 22:45:30,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 22:45:30,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 22:45:30,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:30" (1/1) ... [2021-10-13 22:45:30,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 22:45:30,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 22:45:30,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 22:45:30,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 22:45:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 22:45:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 22:45:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-13 22:45:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 22:45:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 22:45:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 22:45:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 22:45:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-13 22:45:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-13 22:45:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 22:45:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 22:45:30,645 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 22:45:30,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 22:45:30,983 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-13 22:45:30,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:45:30 BoogieIcfgContainer [2021-10-13 22:45:30,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 22:45:30,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 22:45:30,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 22:45:30,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 22:45:30,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:45:29" (1/3) ... [2021-10-13 22:45:30,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692a13fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:45:30, skipping insertion in model container [2021-10-13 22:45:30,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:45:30" (2/3) ... [2021-10-13 22:45:30,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692a13fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:45:30, skipping insertion in model container [2021-10-13 22:45:30,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:45:30" (3/3) ... [2021-10-13 22:45:30,988 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2021-10-13 22:45:30,991 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 22:45:30,991 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-13 22:45:30,991 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 22:45:31,008 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,009 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,009 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,009 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,009 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,009 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,009 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,009 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,009 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,010 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,010 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,010 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,010 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,010 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,010 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,010 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,010 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,010 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,011 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,011 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,011 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,011 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,011 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,011 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,011 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,011 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,011 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,012 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,013 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,013 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,013 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,014 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 22:45:31,023 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-13 22:45:31,057 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 22:45:31,061 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 22:45:31,061 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-13 22:45:31,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 95 transitions, 198 flow [2021-10-13 22:45:31,093 INFO L129 PetriNetUnfolder]: 5/106 cut-off events. [2021-10-13 22:45:31,093 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-13 22:45:31,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 106 events. 5/106 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 188 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 60. Up to 3 conditions per place. [2021-10-13 22:45:31,095 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 95 transitions, 198 flow [2021-10-13 22:45:31,101 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 85 transitions, 176 flow [2021-10-13 22:45:31,119 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-10-13 22:45:31,119 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-13 22:45:31,119 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-13 22:45:31,120 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 22:45:31,120 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-13 22:45:31,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:45:31,124 INFO L82 PathProgramCache]: Analyzing trace with hash -437469631, now seen corresponding path program 1 times [2021-10-13 22:45:31,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:45:31,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716295466] [2021-10-13 22:45:31,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:45:31,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:45:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:45:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 22:45:31,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 22:45:31,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716295466] [2021-10-13 22:45:31,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716295466] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 22:45:31,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 22:45:31,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 22:45:31,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962079325] [2021-10-13 22:45:31,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 22:45:31,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 22:45:31,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 22:45:31,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 22:45:31,449 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 95 [2021-10-13 22:45:31,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 85 transitions, 176 flow. Second operand has 5 states, 5 states have (on average 67.2) internal successors, (336), 5 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-13 22:45:31,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 95 [2021-10-13 22:45:31,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-13 22:45:31,525 INFO L129 PetriNetUnfolder]: 0/79 cut-off events. [2021-10-13 22:45:31,526 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-13 22:45:31,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 79 events. 0/79 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 1/77 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-10-13 22:45:31,527 INFO L132 encePairwiseOnDemand]: 84/95 looper letters, 9 selfloop transitions, 9 changer transitions 0/79 dead transitions. [2021-10-13 22:45:31,527 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 79 transitions, 200 flow [2021-10-13 22:45:31,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 22:45:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-13 22:45:31,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 482 transitions. [2021-10-13 22:45:31,542 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.724812030075188 [2021-10-13 22:45:31,542 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 482 transitions. [2021-10-13 22:45:31,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 482 transitions. [2021-10-13 22:45:31,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 22:45:31,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 482 transitions. [2021-10-13 22:45:31,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 68.85714285714286) internal successors, (482), 7 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 95.0) internal successors, (760), 8 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,557 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 95.0) internal successors, (760), 8 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,558 INFO L186 Difference]: Start difference. First operand has 87 places, 85 transitions, 176 flow. Second operand 7 states and 482 transitions. [2021-10-13 22:45:31,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 79 transitions, 200 flow [2021-10-13 22:45:31,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 79 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-13 22:45:31,565 INFO L242 Difference]: Finished difference. Result has 87 places, 79 transitions, 178 flow [2021-10-13 22:45:31,566 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=178, PETRI_PLACES=87, PETRI_TRANSITIONS=79} [2021-10-13 22:45:31,567 INFO L334 CegarLoopForPetriNet]: 87 programPoint places, 0 predicate places. [2021-10-13 22:45:31,567 INFO L470 AbstractCegarLoop]: Abstraction has has 87 places, 79 transitions, 178 flow [2021-10-13 22:45:31,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 67.2) internal successors, (336), 5 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,567 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-13 22:45:31,568 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 22:45:31,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 22:45:31,568 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-13 22:45:31,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:45:31,570 INFO L82 PathProgramCache]: Analyzing trace with hash -589848071, now seen corresponding path program 1 times [2021-10-13 22:45:31,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:45:31,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099600777] [2021-10-13 22:45:31,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:45:31,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:45:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:45:31,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 22:45:31,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 22:45:31,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099600777] [2021-10-13 22:45:31,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099600777] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 22:45:31,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 22:45:31,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 22:45:31,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754293925] [2021-10-13 22:45:31,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 22:45:31,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 22:45:31,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 22:45:31,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 22:45:31,672 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 95 [2021-10-13 22:45:31,672 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 79 transitions, 178 flow. Second operand has 5 states, 5 states have (on average 68.2) internal successors, (341), 5 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,672 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-13 22:45:31,672 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 95 [2021-10-13 22:45:31,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-13 22:45:31,730 INFO L129 PetriNetUnfolder]: 0/77 cut-off events. [2021-10-13 22:45:31,731 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-13 22:45:31,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 77 events. 0/77 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 1/75 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-10-13 22:45:31,732 INFO L132 encePairwiseOnDemand]: 88/95 looper letters, 11 selfloop transitions, 2 changer transitions 6/77 dead transitions. [2021-10-13 22:45:31,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 77 transitions, 208 flow [2021-10-13 22:45:31,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 22:45:31,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-13 22:45:31,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 414 transitions. [2021-10-13 22:45:31,734 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7263157894736842 [2021-10-13 22:45:31,734 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 414 transitions. [2021-10-13 22:45:31,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 414 transitions. [2021-10-13 22:45:31,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 22:45:31,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 414 transitions. [2021-10-13 22:45:31,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 69.0) internal successors, (414), 6 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,736 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,736 INFO L186 Difference]: Start difference. First operand has 87 places, 79 transitions, 178 flow. Second operand 6 states and 414 transitions. [2021-10-13 22:45:31,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 77 transitions, 208 flow [2021-10-13 22:45:31,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 77 transitions, 190 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-10-13 22:45:31,739 INFO L242 Difference]: Finished difference. Result has 84 places, 71 transitions, 148 flow [2021-10-13 22:45:31,740 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=148, PETRI_PLACES=84, PETRI_TRANSITIONS=71} [2021-10-13 22:45:31,740 INFO L334 CegarLoopForPetriNet]: 87 programPoint places, -3 predicate places. [2021-10-13 22:45:31,740 INFO L470 AbstractCegarLoop]: Abstraction has has 84 places, 71 transitions, 148 flow [2021-10-13 22:45:31,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 68.2) internal successors, (341), 5 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,740 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-13 22:45:31,741 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 22:45:31,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 22:45:31,741 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-13 22:45:31,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:45:31,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1940067079, now seen corresponding path program 1 times [2021-10-13 22:45:31,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:45:31,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298939099] [2021-10-13 22:45:31,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:45:31,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:45:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:45:31,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 22:45:31,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 22:45:31,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298939099] [2021-10-13 22:45:31,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298939099] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 22:45:31,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 22:45:31,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 22:45:31,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946253069] [2021-10-13 22:45:31,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 22:45:31,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 22:45:31,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 22:45:31,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 22:45:31,827 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 95 [2021-10-13 22:45:31,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 71 transitions, 148 flow. Second operand has 5 states, 5 states have (on average 74.8) internal successors, (374), 5 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-13 22:45:31,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 95 [2021-10-13 22:45:31,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-13 22:45:31,874 INFO L129 PetriNetUnfolder]: 0/69 cut-off events. [2021-10-13 22:45:31,874 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-13 22:45:31,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 69 events. 0/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-10-13 22:45:31,875 INFO L132 encePairwiseOnDemand]: 90/95 looper letters, 7 selfloop transitions, 4 changer transitions 5/69 dead transitions. [2021-10-13 22:45:31,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 69 transitions, 166 flow [2021-10-13 22:45:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 22:45:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-13 22:45:31,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 450 transitions. [2021-10-13 22:45:31,876 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7894736842105263 [2021-10-13 22:45:31,876 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 450 transitions. [2021-10-13 22:45:31,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 450 transitions. [2021-10-13 22:45:31,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 22:45:31,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 450 transitions. [2021-10-13 22:45:31,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 75.0) internal successors, (450), 6 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,879 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,879 INFO L186 Difference]: Start difference. First operand has 84 places, 71 transitions, 148 flow. Second operand 6 states and 450 transitions. [2021-10-13 22:45:31,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 69 transitions, 166 flow [2021-10-13 22:45:31,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 69 transitions, 162 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-13 22:45:31,881 INFO L242 Difference]: Finished difference. Result has 76 places, 64 transitions, 138 flow [2021-10-13 22:45:31,881 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=138, PETRI_PLACES=76, PETRI_TRANSITIONS=64} [2021-10-13 22:45:31,881 INFO L334 CegarLoopForPetriNet]: 87 programPoint places, -11 predicate places. [2021-10-13 22:45:31,881 INFO L470 AbstractCegarLoop]: Abstraction has has 76 places, 64 transitions, 138 flow [2021-10-13 22:45:31,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.8) internal successors, (374), 5 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,881 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-13 22:45:31,882 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 22:45:31,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 22:45:31,882 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-13 22:45:31,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 22:45:31,882 INFO L82 PathProgramCache]: Analyzing trace with hash 643455659, now seen corresponding path program 1 times [2021-10-13 22:45:31,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 22:45:31,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114855558] [2021-10-13 22:45:31,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 22:45:31,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 22:45:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 22:45:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 22:45:31,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 22:45:31,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114855558] [2021-10-13 22:45:31,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114855558] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 22:45:31,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 22:45:31,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 22:45:31,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547883403] [2021-10-13 22:45:31,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 22:45:31,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 22:45:31,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 22:45:31,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 22:45:31,995 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 95 [2021-10-13 22:45:31,996 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 64 transitions, 138 flow. Second operand has 5 states, 5 states have (on average 68.6) internal successors, (343), 5 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:31,996 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-13 22:45:31,996 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 95 [2021-10-13 22:45:31,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-13 22:45:32,031 INFO L129 PetriNetUnfolder]: 0/62 cut-off events. [2021-10-13 22:45:32,032 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-13 22:45:32,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 62 events. 0/62 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 20 event pairs, 0 based on Foata normal form. 1/63 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-10-13 22:45:32,035 INFO L132 encePairwiseOnDemand]: 89/95 looper letters, 0 selfloop transitions, 0 changer transitions 62/62 dead transitions. [2021-10-13 22:45:32,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 62 transitions, 158 flow [2021-10-13 22:45:32,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 22:45:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-13 22:45:32,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 409 transitions. [2021-10-13 22:45:32,037 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7175438596491228 [2021-10-13 22:45:32,037 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 409 transitions. [2021-10-13 22:45:32,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 409 transitions. [2021-10-13 22:45:32,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 22:45:32,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 409 transitions. [2021-10-13 22:45:32,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 68.16666666666667) internal successors, (409), 6 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:32,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:32,039 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:32,039 INFO L186 Difference]: Start difference. First operand has 76 places, 64 transitions, 138 flow. Second operand 6 states and 409 transitions. [2021-10-13 22:45:32,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 62 transitions, 158 flow [2021-10-13 22:45:32,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 62 transitions, 151 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-13 22:45:32,041 INFO L242 Difference]: Finished difference. Result has 70 places, 0 transitions, 0 flow [2021-10-13 22:45:32,041 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=70, PETRI_TRANSITIONS=0} [2021-10-13 22:45:32,041 INFO L334 CegarLoopForPetriNet]: 87 programPoint places, -17 predicate places. [2021-10-13 22:45:32,041 INFO L470 AbstractCegarLoop]: Abstraction has has 70 places, 0 transitions, 0 flow [2021-10-13 22:45:32,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 68.6) internal successors, (343), 5 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 22:45:32,043 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 22:45:32,044 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 22:45:32,044 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 22:45:32,044 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 22:45:32,044 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 22:45:32,044 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 22:45:32,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 22:45:32,050 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 22:45:32,050 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 22:45:32,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:45:32 BasicIcfg [2021-10-13 22:45:32,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 22:45:32,053 INFO L168 Benchmark]: Toolchain (without parser) took 2136.98 ms. Allocated memory was 179.3 MB in the beginning and 222.3 MB in the end (delta: 43.0 MB). Free memory was 128.2 MB in the beginning and 181.3 MB in the end (delta: -53.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-13 22:45:32,053 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 179.3 MB. Free memory is still 147.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-13 22:45:32,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.64 ms. Allocated memory was 179.3 MB in the beginning and 222.3 MB in the end (delta: 43.0 MB). Free memory was 127.9 MB in the beginning and 158.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. [2021-10-13 22:45:32,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.81 ms. Allocated memory is still 222.3 MB. Free memory was 158.4 MB in the beginning and 155.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-13 22:45:32,055 INFO L168 Benchmark]: Boogie Preprocessor took 49.98 ms. Allocated memory is still 222.3 MB. Free memory was 155.3 MB in the beginning and 153.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-13 22:45:32,056 INFO L168 Benchmark]: RCFGBuilder took 387.63 ms. Allocated memory is still 222.3 MB. Free memory was 153.2 MB in the beginning and 137.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-10-13 22:45:32,057 INFO L168 Benchmark]: TraceAbstraction took 1066.69 ms. Allocated memory is still 222.3 MB. Free memory was 136.4 MB in the beginning and 181.3 MB in the end (delta: -44.9 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-13 22:45:32,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 179.3 MB. Free memory is still 147.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 571.64 ms. Allocated memory was 179.3 MB in the beginning and 222.3 MB in the end (delta: 43.0 MB). Free memory was 127.9 MB in the beginning and 158.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.81 ms. Allocated memory is still 222.3 MB. Free memory was 158.4 MB in the beginning and 155.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 49.98 ms. Allocated memory is still 222.3 MB. Free memory was 155.3 MB in the beginning and 153.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 387.63 ms. Allocated memory is still 222.3 MB. Free memory was 153.2 MB in the beginning and 137.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1066.69 ms. Allocated memory is still 222.3 MB. Free memory was 136.4 MB in the beginning and 181.3 MB in the end (delta: -44.9 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 106 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 18.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 992.4ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 299.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 40.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 48 SDtfs, 46 SDslu, 55 SDs, 0 SdLazy, 65 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 101.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=1, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.3ms SsaConstructionTime, 70.7ms SatisfiabilityAnalysisTime, 343.4ms InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-13 22:45:32,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...