/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 --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 17:40:42,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 17:40:42,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 17:40:42,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 17:40:42,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 17:40:42,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 17:40:42,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 17:40:42,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 17:40:42,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 17:40:42,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 17:40:42,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 17:40:42,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 17:40:42,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 17:40:42,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 17:40:42,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 17:40:42,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 17:40:42,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 17:40:42,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 17:40:42,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 17:40:42,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 17:40:42,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 17:40:42,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 17:40:42,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 17:40:42,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 17:40:42,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 17:40:42,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 17:40:42,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 17:40:42,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 17:40:42,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 17:40:42,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 17:40:42,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 17:40:42,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 17:40:42,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 17:40:42,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 17:40:42,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 17:40:42,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 17:40:42,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 17:40:42,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 17:40:42,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 17:40:42,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 17:40:42,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 17:40:42,221 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 [2022-12-06 17:40:42,239 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 17:40:42,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 17:40:42,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 17:40:42,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 17:40:42,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 17:40:42,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 17:40:42,241 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 17:40:42,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 17:40:42,241 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 17:40:42,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 17:40:42,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 17:40:42,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 17:40:42,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 17:40:42,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 17:40:42,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 17:40:42,242 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 17:40:42,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 17:40:42,242 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 17:40:42,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 17:40:42,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 17:40:42,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 17:40:42,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 17:40:42,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 17:40:42,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 17:40:42,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 17:40:42,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 17:40:42,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 17:40:42,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 17:40:42,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 17:40:42,243 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 17:40:42,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 17:40:42,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 17:40:42,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 17:40:42,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 17:40:42,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 17:40:42,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 17:40:42,571 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 17:40:42,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-12-06 17:40:43,634 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 17:40:43,839 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 17:40:43,840 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-12-06 17:40:43,844 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e0ee2acf/173880f6dd394203a67427dfa4b8f64f/FLAG89fc8e5e4 [2022-12-06 17:40:43,858 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e0ee2acf/173880f6dd394203a67427dfa4b8f64f [2022-12-06 17:40:43,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 17:40:43,861 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 17:40:43,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 17:40:43,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 17:40:43,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 17:40:43,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:40:43" (1/1) ... [2022-12-06 17:40:43,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3660ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:43, skipping insertion in model container [2022-12-06 17:40:43,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:40:43" (1/1) ... [2022-12-06 17:40:43,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 17:40:43,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 17:40:43,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:43,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:43,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,000 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,002 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,003 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,005 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,014 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,014 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,014 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,014 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,014 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,025 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-ticket-8.wvr.c[5274,5287] [2022-12-06 17:40:44,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 17:40:44,035 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 17:40:44,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,052 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,052 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,052 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,052 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,056 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,056 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,056 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,056 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,056 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,057 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,057 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:40:44,057 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:40:44,072 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-ticket-8.wvr.c[5274,5287] [2022-12-06 17:40:44,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 17:40:44,084 INFO L208 MainTranslator]: Completed translation [2022-12-06 17:40:44,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44 WrapperNode [2022-12-06 17:40:44,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 17:40:44,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 17:40:44,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 17:40:44,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 17:40:44,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44" (1/1) ... [2022-12-06 17:40:44,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44" (1/1) ... [2022-12-06 17:40:44,140 INFO L138 Inliner]: procedures = 27, calls = 130, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 358 [2022-12-06 17:40:44,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 17:40:44,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 17:40:44,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 17:40:44,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 17:40:44,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44" (1/1) ... [2022-12-06 17:40:44,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44" (1/1) ... [2022-12-06 17:40:44,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44" (1/1) ... [2022-12-06 17:40:44,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44" (1/1) ... [2022-12-06 17:40:44,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44" (1/1) ... [2022-12-06 17:40:44,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44" (1/1) ... [2022-12-06 17:40:44,161 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44" (1/1) ... [2022-12-06 17:40:44,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44" (1/1) ... [2022-12-06 17:40:44,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 17:40:44,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 17:40:44,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 17:40:44,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 17:40:44,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44" (1/1) ... [2022-12-06 17:40:44,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 17:40:44,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 17:40:44,210 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 17:40:44,254 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 17:40:44,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 17:40:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 17:40:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 17:40:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 17:40:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 17:40:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 17:40:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 17:40:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 17:40:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 17:40:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 17:40:44,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-06 17:40:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-06 17:40:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 17:40:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-12-06 17:40:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-12-06 17:40:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-12-06 17:40:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-12-06 17:40:44,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-12-06 17:40:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-12-06 17:40:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2022-12-06 17:40:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2022-12-06 17:40:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 17:40:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 17:40:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 17:40:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 17:40:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 17:40:44,283 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 17:40:44,382 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 17:40:44,384 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 17:40:44,705 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 17:40:44,815 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 17:40:44,815 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 17:40:44,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:40:44 BoogieIcfgContainer [2022-12-06 17:40:44,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 17:40:44,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 17:40:44,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 17:40:44,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 17:40:44,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:40:43" (1/3) ... [2022-12-06 17:40:44,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c15377f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:40:44, skipping insertion in model container [2022-12-06 17:40:44,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:40:44" (2/3) ... [2022-12-06 17:40:44,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c15377f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:40:44, skipping insertion in model container [2022-12-06 17:40:44,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:40:44" (3/3) ... [2022-12-06 17:40:44,827 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2022-12-06 17:40:44,848 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 17:40:44,848 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 17:40:44,848 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 17:40:44,971 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-12-06 17:40:45,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 250 places, 227 transitions, 518 flow [2022-12-06 17:40:45,110 INFO L130 PetriNetUnfolder]: 2/219 cut-off events. [2022-12-06 17:40:45,110 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-06 17:40:45,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 219 events. 2/219 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 103 event pairs, 0 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2022-12-06 17:40:45,114 INFO L82 GeneralOperation]: Start removeDead. Operand has 250 places, 227 transitions, 518 flow [2022-12-06 17:40:45,121 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 222 places, 199 transitions, 446 flow [2022-12-06 17:40:45,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 17:40:45,137 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=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ef1a998, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 17:40:45,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-12-06 17:40:45,180 INFO L130 PetriNetUnfolder]: 2/198 cut-off events. [2022-12-06 17:40:45,180 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-06 17:40:45,180 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:40:45,181 INFO L213 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, 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, 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, 1, 1, 1] [2022-12-06 17:40:45,182 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-06 17:40:45,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:40:45,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1745144246, now seen corresponding path program 1 times [2022-12-06 17:40:45,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:40:45,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035485341] [2022-12-06 17:40:45,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:40:45,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:40:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:40:47,962 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 17:40:47,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:40:47,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035485341] [2022-12-06 17:40:47,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035485341] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:40:47,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:40:47,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-06 17:40:47,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357806732] [2022-12-06 17:40:47,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:40:47,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-06 17:40:47,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:40:47,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-06 17:40:47,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-12-06 17:40:48,000 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 227 [2022-12-06 17:40:48,004 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 199 transitions, 446 flow. Second operand has 13 states, 13 states have (on average 160.15384615384616) internal successors, (2082), 13 states have internal predecessors, (2082), 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 17:40:48,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:40:48,005 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 227 [2022-12-06 17:40:48,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand