/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-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 02:12:41,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 02:12:41,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 02:12:41,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 02:12:41,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 02:12:41,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 02:12:41,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 02:12:41,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 02:12:41,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 02:12:41,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 02:12:41,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 02:12:41,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 02:12:41,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 02:12:41,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 02:12:41,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 02:12:41,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 02:12:41,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 02:12:41,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 02:12:41,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 02:12:41,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 02:12:41,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 02:12:41,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 02:12:41,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 02:12:41,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 02:12:41,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 02:12:41,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 02:12:41,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 02:12:41,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 02:12:41,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 02:12:41,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 02:12:41,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 02:12:41,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 02:12:41,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 02:12:41,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 02:12:41,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 02:12:41,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 02:12:41,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 02:12:41,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 02:12:41,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 02:12:41,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 02:12:41,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 02:12:41,176 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-RepeatedSemanticLbe.epf [2022-12-06 02:12:41,201 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 02:12:41,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 02:12:41,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 02:12:41,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 02:12:41,203 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 02:12:41,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 02:12:41,203 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 02:12:41,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 02:12:41,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 02:12:41,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 02:12:41,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 02:12:41,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 02:12:41,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 02:12:41,205 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 02:12:41,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 02:12:41,205 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 02:12:41,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 02:12:41,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 02:12:41,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 02:12:41,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 02:12:41,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 02:12:41,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 02:12:41,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 02:12:41,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 02:12:41,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 02:12:41,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 02:12:41,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 02:12:41,206 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 02:12:41,206 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 02:12:41,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 02:12:41,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 02:12:41,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 02:12:41,483 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 02:12:41,484 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 02:12:41,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2022-12-06 02:12:42,487 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 02:12:42,708 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 02:12:42,708 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2022-12-06 02:12:42,713 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9acfebec1/89fa1178873342b0861a8e98e5d464c3/FLAG6e7a53ccb [2022-12-06 02:12:42,733 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9acfebec1/89fa1178873342b0861a8e98e5d464c3 [2022-12-06 02:12:42,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 02:12:42,736 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 02:12:42,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 02:12:42,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 02:12:42,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 02:12:42,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:42,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d3c590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42, skipping insertion in model container [2022-12-06 02:12:42,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:42,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 02:12:42,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 02:12:42,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,907 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,909 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,909 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,909 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,910 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,910 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,910 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,910 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,927 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3134,3147] [2022-12-06 02:12:42,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 02:12:42,942 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 02:12:42,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:12:42,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:12:42,979 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3134,3147] [2022-12-06 02:12:42,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 02:12:42,991 INFO L208 MainTranslator]: Completed translation [2022-12-06 02:12:42,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42 WrapperNode [2022-12-06 02:12:42,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 02:12:42,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 02:12:42,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 02:12:42,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 02:12:42,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:43,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:43,033 INFO L138 Inliner]: procedures = 21, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 119 [2022-12-06 02:12:43,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 02:12:43,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 02:12:43,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 02:12:43,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 02:12:43,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:43,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:43,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:43,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:43,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:43,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:43,060 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:43,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:43,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 02:12:43,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 02:12:43,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 02:12:43,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 02:12:43,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42" (1/1) ... [2022-12-06 02:12:43,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 02:12:43,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:12:43,133 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) [2022-12-06 02:12:43,179 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 [2022-12-06 02:12:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 02:12:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 02:12:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 02:12:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 02:12:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 02:12:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 02:12:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 02:12:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 02:12:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 02:12:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 02:12:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 02:12:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 02:12:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 02:12:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 02:12:43,196 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 02:12:43,286 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 02:12:43,288 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 02:12:43,482 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 02:12:43,525 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 02:12:43,526 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 02:12:43,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:12:43 BoogieIcfgContainer [2022-12-06 02:12:43,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 02:12:43,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 02:12:43,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 02:12:43,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 02:12:43,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 02:12:42" (1/3) ... [2022-12-06 02:12:43,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea9dd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 02:12:43, skipping insertion in model container [2022-12-06 02:12:43,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:42" (2/3) ... [2022-12-06 02:12:43,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea9dd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 02:12:43, skipping insertion in model container [2022-12-06 02:12:43,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:12:43" (3/3) ... [2022-12-06 02:12:43,533 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2022-12-06 02:12:43,546 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 02:12:43,547 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 02:12:43,547 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 02:12:43,587 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 02:12:43,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 122 transitions, 260 flow [2022-12-06 02:12:43,698 INFO L130 PetriNetUnfolder]: 9/120 cut-off events. [2022-12-06 02:12:43,698 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 02:12:43,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-06 02:12:43,702 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 122 transitions, 260 flow [2022-12-06 02:12:43,706 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 110 places, 112 transitions, 236 flow [2022-12-06 02:12:43,708 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:12:43,726 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 112 transitions, 236 flow [2022-12-06 02:12:43,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 112 transitions, 236 flow [2022-12-06 02:12:43,779 INFO L130 PetriNetUnfolder]: 9/112 cut-off events. [2022-12-06 02:12:43,779 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 02:12:43,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 112 events. 9/112 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-06 02:12:43,782 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 112 transitions, 236 flow [2022-12-06 02:12:43,782 INFO L188 LiptonReduction]: Number of co-enabled transitions 452 [2022-12-06 02:12:47,528 INFO L203 LiptonReduction]: Total number of compositions: 92 [2022-12-06 02:12:47,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 02:12:47,543 INFO L357 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, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@11d79058, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 02:12:47,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 02:12:47,547 INFO L130 PetriNetUnfolder]: 2/20 cut-off events. [2022-12-06 02:12:47,547 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 02:12:47,547 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:12:47,548 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:12:47,548 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 02:12:47,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:12:47,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1352143916, now seen corresponding path program 1 times [2022-12-06 02:12:47,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:12:47,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545644976] [2022-12-06 02:12:47,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:12:47,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:12:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:12:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:12:47,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:12:47,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545644976] [2022-12-06 02:12:47,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545644976] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:12:47,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:12:47,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 02:12:47,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289194861] [2022-12-06 02:12:47,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:12:48,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 02:12:48,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:12:48,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 02:12:48,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-06 02:12:48,020 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 21 [2022-12-06 02:12:48,021 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 21 transitions, 54 flow. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2022-12-06 02:12:48,021 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:12:48,021 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 21 [2022-12-06 02:12:48,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:12:48,173 INFO L130 PetriNetUnfolder]: 165/323 cut-off events. [2022-12-06 02:12:48,173 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2022-12-06 02:12:48,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 323 events. 165/323 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1264 event pairs, 30 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 602. Up to 121 conditions per place. [2022-12-06 02:12:48,180 INFO L137 encePairwiseOnDemand]: 13/21 looper letters, 42 selfloop transitions, 10 changer transitions 0/53 dead transitions. [2022-12-06 02:12:48,185 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 53 transitions, 240 flow [2022-12-06 02:12:48,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 02:12:48,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 02:12:48,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2022-12-06 02:12:48,195 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2022-12-06 02:12:48,199 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 4 predicate places. [2022-12-06 02:12:48,199 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:12:48,200 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 53 transitions, 240 flow [2022-12-06 02:12:48,210 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 53 transitions, 240 flow [2022-12-06 02:12:48,210 INFO L188 LiptonReduction]: Number of co-enabled transitions 24 [2022-12-06 02:12:48,258 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 02:12:48,260 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 61 [2022-12-06 02:12:48,260 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 52 transitions, 238 flow [2022-12-06 02:12:48,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2022-12-06 02:12:48,260 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:12:48,260 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:12:48,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 02:12:48,263 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 02:12:48,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:12:48,264 INFO L85 PathProgramCache]: Analyzing trace with hash -2091787768, now seen corresponding path program 1 times [2022-12-06 02:12:48,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:12:48,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052910160] [2022-12-06 02:12:48,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:12:48,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:12:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:12:48,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:12:48,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:12:48,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052910160] [2022-12-06 02:12:48,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052910160] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:12:48,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:12:48,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 02:12:48,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014774801] [2022-12-06 02:12:48,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:12:48,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 02:12:48,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:12:48,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 02:12:48,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-12-06 02:12:48,460 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 22 [2022-12-06 02:12:48,460 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 52 transitions, 238 flow. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-12-06 02:12:48,460 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:12:48,460 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 22 [2022-12-06 02:12:48,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:12:48,570 INFO L130 PetriNetUnfolder]: 126/257 cut-off events. [2022-12-06 02:12:48,570 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2022-12-06 02:12:48,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 806 conditions, 257 events. 126/257 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 962 event pairs, 0 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 701. Up to 159 conditions per place. [2022-12-06 02:12:48,572 INFO L137 encePairwiseOnDemand]: 12/22 looper letters, 49 selfloop transitions, 17 changer transitions 0/66 dead transitions. [2022-12-06 02:12:48,572 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 66 transitions, 432 flow [2022-12-06 02:12:48,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 02:12:48,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 02:12:48,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 52 transitions. [2022-12-06 02:12:48,573 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.33766233766233766 [2022-12-06 02:12:48,574 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 9 predicate places. [2022-12-06 02:12:48,574 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:12:48,574 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 66 transitions, 432 flow [2022-12-06 02:12:48,576 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 66 transitions, 432 flow [2022-12-06 02:12:48,576 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:12:48,576 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:12:48,577 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 3 [2022-12-06 02:12:48,577 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 66 transitions, 432 flow [2022-12-06 02:12:48,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-12-06 02:12:48,577 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:12:48,577 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:12:48,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 02:12:48,578 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 02:12:48,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:12:48,578 INFO L85 PathProgramCache]: Analyzing trace with hash -189155576, now seen corresponding path program 2 times [2022-12-06 02:12:48,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:12:48,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305935392] [2022-12-06 02:12:48,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:12:48,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:12:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:12:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:12:48,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:12:48,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305935392] [2022-12-06 02:12:48,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305935392] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:12:48,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:12:48,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 02:12:48,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831836545] [2022-12-06 02:12:48,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:12:48,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 02:12:48,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:12:48,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 02:12:48,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 02:12:48,675 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 22 [2022-12-06 02:12:48,675 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 66 transitions, 432 flow. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-12-06 02:12:48,675 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:12:48,675 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 22 [2022-12-06 02:12:48,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:12:48,748 INFO L130 PetriNetUnfolder]: 127/266 cut-off events. [2022-12-06 02:12:48,748 INFO L131 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2022-12-06 02:12:48,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 266 events. 127/266 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1039 event pairs, 0 based on Foata normal form. 2/262 useless extension candidates. Maximal degree in co-relation 951. Up to 178 conditions per place. [2022-12-06 02:12:48,749 INFO L137 encePairwiseOnDemand]: 18/22 looper letters, 19 selfloop transitions, 2 changer transitions 70/92 dead transitions. [2022-12-06 02:12:48,749 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 92 transitions, 778 flow [2022-12-06 02:12:48,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 02:12:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 02:12:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions. [2022-12-06 02:12:48,751 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.41818181818181815 [2022-12-06 02:12:48,751 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 13 predicate places. [2022-12-06 02:12:48,752 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:12:48,752 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 92 transitions, 778 flow [2022-12-06 02:12:48,754 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 92 transitions, 778 flow [2022-12-06 02:12:48,754 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:12:48,754 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:12:48,755 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4 [2022-12-06 02:12:48,755 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 92 transitions, 778 flow [2022-12-06 02:12:48,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-12-06 02:12:48,755 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:12:48,755 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:12:48,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 02:12:48,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 02:12:48,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:12:48,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1035355684, now seen corresponding path program 1 times [2022-12-06 02:12:48,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:12:48,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918859503] [2022-12-06 02:12:48,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:12:48,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:12:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:12:48,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:12:48,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:12:48,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918859503] [2022-12-06 02:12:48,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918859503] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:12:48,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:12:48,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 02:12:48,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999183869] [2022-12-06 02:12:48,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:12:48,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 02:12:48,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:12:48,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 02:12:48,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 02:12:48,813 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 22 [2022-12-06 02:12:48,813 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 92 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-12-06 02:12:48,813 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:12:48,813 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 22 [2022-12-06 02:12:48,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:12:48,878 INFO L130 PetriNetUnfolder]: 96/200 cut-off events. [2022-12-06 02:12:48,878 INFO L131 PetriNetUnfolder]: For 108/108 co-relation queries the response was YES. [2022-12-06 02:12:48,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1002 conditions, 200 events. 96/200 cut-off events. For 108/108 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 717 event pairs, 0 based on Foata normal form. 12/206 useless extension candidates. Maximal degree in co-relation 855. Up to 154 conditions per place. [2022-12-06 02:12:48,879 INFO L137 encePairwiseOnDemand]: 18/22 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2022-12-06 02:12:48,879 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 75 transitions, 777 flow [2022-12-06 02:12:48,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 02:12:48,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 02:12:48,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-12-06 02:12:48,880 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 02:12:48,881 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 14 predicate places. [2022-12-06 02:12:48,881 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:12:48,881 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 75 transitions, 777 flow [2022-12-06 02:12:48,883 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 75 transitions, 777 flow [2022-12-06 02:12:48,883 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:12:48,944 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 02:12:48,945 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 64 [2022-12-06 02:12:48,945 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 75 transitions, 791 flow [2022-12-06 02:12:48,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-12-06 02:12:48,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 02:12:48,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-06 02:12:48,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-06 02:12:48,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 02:12:48,948 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-12-06 02:12:48,950 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 02:12:48,950 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 02:12:48,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 02:12:48 BasicIcfg [2022-12-06 02:12:48,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 02:12:48,952 INFO L158 Benchmark]: Toolchain (without parser) took 6216.28ms. Allocated memory was 200.3MB in the beginning and 305.1MB in the end (delta: 104.9MB). Free memory was 164.2MB in the beginning and 261.8MB in the end (delta: -97.5MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2022-12-06 02:12:48,952 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 177.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 02:12:48,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.98ms. Allocated memory is still 200.3MB. Free memory was 164.2MB in the beginning and 151.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 02:12:48,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.00ms. Allocated memory is still 200.3MB. Free memory was 151.1MB in the beginning and 149.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 02:12:48,953 INFO L158 Benchmark]: Boogie Preprocessor took 28.24ms. Allocated memory is still 200.3MB. Free memory was 149.0MB in the beginning and 148.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 02:12:48,953 INFO L158 Benchmark]: RCFGBuilder took 464.83ms. Allocated memory is still 200.3MB. Free memory was 147.5MB in the beginning and 130.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-12-06 02:12:48,953 INFO L158 Benchmark]: TraceAbstraction took 5422.73ms. Allocated memory was 200.3MB in the beginning and 305.1MB in the end (delta: 104.9MB). Free memory was 130.2MB in the beginning and 261.8MB in the end (delta: -131.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 02:12:48,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 177.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 254.98ms. Allocated memory is still 200.3MB. Free memory was 164.2MB in the beginning and 151.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.00ms. Allocated memory is still 200.3MB. Free memory was 151.1MB in the beginning and 149.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.24ms. Allocated memory is still 200.3MB. Free memory was 149.0MB in the beginning and 148.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 464.83ms. Allocated memory is still 200.3MB. Free memory was 147.5MB in the beginning and 130.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 5422.73ms. Allocated memory was 200.3MB in the beginning and 305.1MB in the end (delta: 104.9MB). Free memory was 130.2MB in the beginning and 261.8MB in the end (delta: -131.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 110 PlacesBefore, 26 PlacesAfterwards, 112 TransitionsBefore, 21 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 70 TrivialYvCompositions, 14 ConcurrentYvCompositions, 7 ChoiceCompositions, 92 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 490, independent: 421, independent conditional: 421, independent unconditional: 0, dependent: 69, dependent conditional: 69, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 490, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 490, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 490, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 295, independent: 272, independent conditional: 0, independent unconditional: 272, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 295, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 490, independent: 149, independent conditional: 0, independent unconditional: 149, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 295, unknown conditional: 0, unknown unconditional: 295] , Statistics on independence cache: Total cache size (in pairs): 458, Positive cache size: 435, Positive conditional cache size: 0, Positive unconditional cache size: 435, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 30 PlacesBefore, 29 PlacesAfterwards, 53 TransitionsBefore, 52 TransitionsAfterwards, 24 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 35 PlacesBefore, 35 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 39 PlacesBefore, 39 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 40 PlacesBefore, 40 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 115]: 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 5 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 343 IncrementalHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 0 mSDtfsCounter, 343 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=791occurred in iteration=4, InterpolantAutomatonStates: 20, 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, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 311 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 02:12:48,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...