/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-parallel-sum-1-dsl.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 17:35:14,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 17:35:14,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 17:35:14,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 17:35:14,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 17:35:14,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 17:35:14,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 17:35:14,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 17:35:14,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 17:35:14,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 17:35:14,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 17:35:14,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 17:35:14,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 17:35:14,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 17:35:14,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 17:35:14,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 17:35:14,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 17:35:14,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 17:35:14,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 17:35:14,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 17:35:14,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 17:35:14,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 17:35:14,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 17:35:14,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 17:35:14,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 17:35:14,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 17:35:14,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 17:35:14,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 17:35:14,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 17:35:14,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 17:35:14,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 17:35:14,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 17:35:14,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 17:35:14,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 17:35:14,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 17:35:14,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 17:35:14,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 17:35:14,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 17:35:14,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 17:35:14,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 17:35:14,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 17:35:14,553 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 17:35:14,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 17:35:14,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 17:35:14,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 17:35:14,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 17:35:14,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 17:35:14,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 17:35:14,580 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 17:35:14,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 17:35:14,580 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 17:35:14,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 17:35:14,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 17:35:14,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 17:35:14,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 17:35:14,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 17:35:14,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 17:35:14,581 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 17:35:14,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 17:35:14,581 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 17:35:14,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 17:35:14,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 17:35:14,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 17:35:14,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 17:35:14,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 17:35:14,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 17:35:14,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 17:35:14,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 17:35:14,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 17:35:14,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 17:35:14,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 17:35:14,582 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 17:35:14,583 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 17:35:14,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 17:35:14,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 17:35:14,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 17:35:14,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 17:35:14,853 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 17:35:14,860 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 17:35:14,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2022-12-06 17:35:15,869 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 17:35:16,042 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 17:35:16,043 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2022-12-06 17:35:16,048 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c901764ad/3e4fff104bfa4bab858c7e6c58ead21b/FLAG4ac7f0e7f [2022-12-06 17:35:16,061 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c901764ad/3e4fff104bfa4bab858c7e6c58ead21b [2022-12-06 17:35:16,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 17:35:16,063 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 17:35:16,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 17:35:16,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 17:35:16,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 17:35:16,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14df9047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16, skipping insertion in model container [2022-12-06 17:35:16,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 17:35:16,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 17:35:16,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,206 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,206 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,207 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,207 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,207 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,208 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,208 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,220 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-parallel-sum-1-dsl.wvr.c[4372,4385] [2022-12-06 17:35:16,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 17:35:16,233 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 17:35:16,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 17:35:16,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 17:35:16,255 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-parallel-sum-1-dsl.wvr.c[4372,4385] [2022-12-06 17:35:16,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 17:35:16,268 INFO L208 MainTranslator]: Completed translation [2022-12-06 17:35:16,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16 WrapperNode [2022-12-06 17:35:16,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 17:35:16,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 17:35:16,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 17:35:16,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 17:35:16,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,309 INFO L138 Inliner]: procedures = 29, calls = 95, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 289 [2022-12-06 17:35:16,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 17:35:16,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 17:35:16,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 17:35:16,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 17:35:16,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,331 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 17:35:16,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 17:35:16,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 17:35:16,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 17:35:16,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16" (1/1) ... [2022-12-06 17:35:16,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 17:35:16,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 17:35:16,361 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 17:35:16,401 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 17:35:16,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 17:35:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 17:35:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 17:35:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 17:35:16,417 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 17:35:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 17:35:16,417 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 17:35:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 17:35:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 17:35:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 17:35:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-06 17:35:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-06 17:35:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 17:35:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-12-06 17:35:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-12-06 17:35:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-12-06 17:35:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-12-06 17:35:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 17:35:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 17:35:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 17:35:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 17:35:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 17:35:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 17:35:16,420 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 17:35:16,556 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 17:35:16,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 17:35:16,944 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 17:35:17,062 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 17:35:17,063 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-06 17:35:17,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:35:17 BoogieIcfgContainer [2022-12-06 17:35:17,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 17:35:17,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 17:35:17,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 17:35:17,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 17:35:17,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:35:16" (1/3) ... [2022-12-06 17:35:17,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfa2020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:35:17, skipping insertion in model container [2022-12-06 17:35:17,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:35:16" (2/3) ... [2022-12-06 17:35:17,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfa2020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:35:17, skipping insertion in model container [2022-12-06 17:35:17,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:35:17" (3/3) ... [2022-12-06 17:35:17,072 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2022-12-06 17:35:17,084 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 17:35:17,085 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 17:35:17,085 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 17:35:17,194 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-12-06 17:35:17,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 249 places, 248 transitions, 568 flow [2022-12-06 17:35:17,338 INFO L130 PetriNetUnfolder]: 18/220 cut-off events. [2022-12-06 17:35:17,338 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-06 17:35:17,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 220 events. 18/220 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 281 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 190. Up to 3 conditions per place. [2022-12-06 17:35:17,343 INFO L82 GeneralOperation]: Start removeDead. Operand has 249 places, 248 transitions, 568 flow [2022-12-06 17:35:17,347 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 213 places, 212 transitions, 472 flow [2022-12-06 17:35:17,353 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 17:35:17,357 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;@720c2707, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 17:35:17,358 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-12-06 17:35:17,390 INFO L130 PetriNetUnfolder]: 18/211 cut-off events. [2022-12-06 17:35:17,390 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-06 17:35:17,391 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:35:17,391 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] [2022-12-06 17:35:17,392 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-12-06 17:35:17,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:35:17,395 INFO L85 PathProgramCache]: Analyzing trace with hash 209662522, now seen corresponding path program 1 times [2022-12-06 17:35:17,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:35:17,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985285980] [2022-12-06 17:35:17,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:17,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:35:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:17,672 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 17:35:17,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:35:17,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985285980] [2022-12-06 17:35:17,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985285980] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:35:17,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:35:17,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 17:35:17,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477003245] [2022-12-06 17:35:17,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:35:17,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 17:35:17,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:35:17,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 17:35:17,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 17:35:17,728 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 252 [2022-12-06 17:35:17,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 212 transitions, 472 flow. Second operand has 2 states, 2 states have (on average 215.0) internal successors, (430), 2 states have internal predecessors, (430), 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 17:35:17,742 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:35:17,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 252 [2022-12-06 17:35:17,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:35:18,182 INFO L130 PetriNetUnfolder]: 1084/2329 cut-off events. [2022-12-06 17:35:18,182 INFO L131 PetriNetUnfolder]: For 684/684 co-relation queries the response was YES. [2022-12-06 17:35:18,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4446 conditions, 2329 events. 1084/2329 cut-off events. For 684/684 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 13048 event pairs, 627 based on Foata normal form. 309/2426 useless extension candidates. Maximal degree in co-relation 4157. Up to 1445 conditions per place. [2022-12-06 17:35:18,205 INFO L137 encePairwiseOnDemand]: 243/252 looper letters, 30 selfloop transitions, 0 changer transitions 4/203 dead transitions. [2022-12-06 17:35:18,205 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 203 transitions, 514 flow [2022-12-06 17:35:18,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 17:35:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 17:35:18,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 447 transitions. [2022-12-06 17:35:18,219 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8869047619047619 [2022-12-06 17:35:18,223 INFO L294 CegarLoopForPetriNet]: 213 programPoint places, 1 predicate places. [2022-12-06 17:35:18,223 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 203 transitions, 514 flow [2022-12-06 17:35:18,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 215.0) internal successors, (430), 2 states have internal predecessors, (430), 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 17:35:18,223 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:35:18,224 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] [2022-12-06 17:35:18,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 17:35:18,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-12-06 17:35:18,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:35:18,227 INFO L85 PathProgramCache]: Analyzing trace with hash -798514532, now seen corresponding path program 1 times [2022-12-06 17:35:18,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:35:18,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242451637] [2022-12-06 17:35:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:18,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:35:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:18,717 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 17:35:18,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:35:18,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242451637] [2022-12-06 17:35:18,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242451637] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:35:18,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:35:18,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 17:35:18,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116035593] [2022-12-06 17:35:18,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:35:18,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 17:35:18,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:35:18,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 17:35:18,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 17:35:18,723 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 252 [2022-12-06 17:35:18,724 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 203 transitions, 514 flow. Second operand has 6 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 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 17:35:18,724 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:35:18,724 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 252 [2022-12-06 17:35:18,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:35:19,712 INFO L130 PetriNetUnfolder]: 3024/6578 cut-off events. [2022-12-06 17:35:19,712 INFO L131 PetriNetUnfolder]: For 3249/3547 co-relation queries the response was YES. [2022-12-06 17:35:19,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16394 conditions, 6578 events. 3024/6578 cut-off events. For 3249/3547 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 50446 event pairs, 889 based on Foata normal form. 0/5920 useless extension candidates. Maximal degree in co-relation 15963. Up to 3997 conditions per place. [2022-12-06 17:35:19,759 INFO L137 encePairwiseOnDemand]: 237/252 looper letters, 95 selfloop transitions, 10 changer transitions 10/264 dead transitions. [2022-12-06 17:35:19,759 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 264 transitions, 1051 flow [2022-12-06 17:35:19,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 17:35:19,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 17:35:19,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1556 transitions. [2022-12-06 17:35:19,762 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7718253968253969 [2022-12-06 17:35:19,762 INFO L294 CegarLoopForPetriNet]: 213 programPoint places, 8 predicate places. [2022-12-06 17:35:19,762 INFO L495 AbstractCegarLoop]: Abstraction has has 221 places, 264 transitions, 1051 flow [2022-12-06 17:35:19,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 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 17:35:19,763 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:35:19,763 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] [2022-12-06 17:35:19,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 17:35:19,763 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-12-06 17:35:19,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:35:19,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1883173230, now seen corresponding path program 2 times [2022-12-06 17:35:19,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:35:19,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895186842] [2022-12-06 17:35:19,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:19,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:35:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:19,931 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 17:35:19,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:35:19,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895186842] [2022-12-06 17:35:19,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895186842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:35:19,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:35:19,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 17:35:19,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399739141] [2022-12-06 17:35:19,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:35:19,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 17:35:19,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:35:19,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 17:35:19,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 17:35:19,933 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 252 [2022-12-06 17:35:19,934 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 264 transitions, 1051 flow. Second operand has 6 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 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 17:35:19,934 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:35:19,934 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 252 [2022-12-06 17:35:19,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:35:21,436 INFO L130 PetriNetUnfolder]: 4929/10546 cut-off events. [2022-12-06 17:35:21,436 INFO L131 PetriNetUnfolder]: For 8930/10314 co-relation queries the response was YES. [2022-12-06 17:35:21,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32981 conditions, 10546 events. 4929/10546 cut-off events. For 8930/10314 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 88859 event pairs, 1016 based on Foata normal form. 10/9439 useless extension candidates. Maximal degree in co-relation 32122. Up to 6498 conditions per place. [2022-12-06 17:35:21,519 INFO L137 encePairwiseOnDemand]: 236/252 looper letters, 145 selfloop transitions, 14 changer transitions 16/324 dead transitions. [2022-12-06 17:35:21,519 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 324 transitions, 1821 flow [2022-12-06 17:35:21,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 17:35:21,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 17:35:21,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1557 transitions. [2022-12-06 17:35:21,522 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7723214285714286 [2022-12-06 17:35:21,522 INFO L294 CegarLoopForPetriNet]: 213 programPoint places, 15 predicate places. [2022-12-06 17:35:21,523 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 324 transitions, 1821 flow [2022-12-06 17:35:21,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 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 17:35:21,523 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:35:21,523 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] [2022-12-06 17:35:21,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 17:35:21,524 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-12-06 17:35:21,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:35:21,524 INFO L85 PathProgramCache]: Analyzing trace with hash -321922645, now seen corresponding path program 1 times [2022-12-06 17:35:21,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:35:21,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042443021] [2022-12-06 17:35:21,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:21,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:35:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:21,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:21,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:35:21,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042443021] [2022-12-06 17:35:21,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042443021] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:35:21,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:35:21,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 17:35:21,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171194203] [2022-12-06 17:35:21,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:35:21,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 17:35:21,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:35:21,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 17:35:21,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-06 17:35:21,822 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 252 [2022-12-06 17:35:21,823 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 324 transitions, 1821 flow. Second operand has 7 states, 7 states have (on average 191.71428571428572) internal successors, (1342), 7 states have internal predecessors, (1342), 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 17:35:21,823 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:35:21,823 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 252 [2022-12-06 17:35:21,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:35:23,735 INFO L130 PetriNetUnfolder]: 6200/14334 cut-off events. [2022-12-06 17:35:23,735 INFO L131 PetriNetUnfolder]: For 18324/20403 co-relation queries the response was YES. [2022-12-06 17:35:23,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52073 conditions, 14334 events. 6200/14334 cut-off events. For 18324/20403 co-relation queries the response was YES. Maximal size of possible extension queue 527. Compared 132210 event pairs, 1088 based on Foata normal form. 590/13523 useless extension candidates. Maximal degree in co-relation 37374. Up to 8378 conditions per place. [2022-12-06 17:35:23,861 INFO L137 encePairwiseOnDemand]: 242/252 looper letters, 310 selfloop transitions, 17 changer transitions 24/511 dead transitions. [2022-12-06 17:35:23,861 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 511 transitions, 4231 flow [2022-12-06 17:35:23,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 17:35:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 17:35:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1611 transitions. [2022-12-06 17:35:23,865 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7991071428571429 [2022-12-06 17:35:23,865 INFO L294 CegarLoopForPetriNet]: 213 programPoint places, 22 predicate places. [2022-12-06 17:35:23,865 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 511 transitions, 4231 flow [2022-12-06 17:35:23,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 191.71428571428572) internal successors, (1342), 7 states have internal predecessors, (1342), 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 17:35:23,866 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:35:23,866 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] [2022-12-06 17:35:23,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 17:35:23,866 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-12-06 17:35:23,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:35:23,867 INFO L85 PathProgramCache]: Analyzing trace with hash 911255126, now seen corresponding path program 1 times [2022-12-06 17:35:23,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:35:23,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496580601] [2022-12-06 17:35:23,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:23,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:35:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:24,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:24,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:35:24,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496580601] [2022-12-06 17:35:24,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496580601] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:35:24,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:35:24,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 17:35:24,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156007015] [2022-12-06 17:35:24,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:35:24,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 17:35:24,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:35:24,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 17:35:24,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-06 17:35:24,132 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 252 [2022-12-06 17:35:24,133 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 511 transitions, 4231 flow. Second operand has 7 states, 7 states have (on average 191.71428571428572) internal successors, (1342), 7 states have internal predecessors, (1342), 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 17:35:24,133 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:35:24,133 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 252 [2022-12-06 17:35:24,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:35:25,739 INFO L130 PetriNetUnfolder]: 5147/12182 cut-off events. [2022-12-06 17:35:25,739 INFO L131 PetriNetUnfolder]: For 22122/25006 co-relation queries the response was YES. [2022-12-06 17:35:25,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50625 conditions, 12182 events. 5147/12182 cut-off events. For 22122/25006 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 110716 event pairs, 611 based on Foata normal form. 162/11139 useless extension candidates. Maximal degree in co-relation 43574. Up to 6971 conditions per place. [2022-12-06 17:35:25,840 INFO L137 encePairwiseOnDemand]: 244/252 looper letters, 235 selfloop transitions, 4 changer transitions 77/476 dead transitions. [2022-12-06 17:35:25,840 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 476 transitions, 4452 flow [2022-12-06 17:35:25,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 17:35:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 17:35:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1395 transitions. [2022-12-06 17:35:25,843 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7908163265306123 [2022-12-06 17:35:25,844 INFO L294 CegarLoopForPetriNet]: 213 programPoint places, 28 predicate places. [2022-12-06 17:35:25,844 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 476 transitions, 4452 flow [2022-12-06 17:35:25,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 191.71428571428572) internal successors, (1342), 7 states have internal predecessors, (1342), 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 17:35:25,845 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:35:25,845 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] [2022-12-06 17:35:25,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 17:35:25,845 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-12-06 17:35:25,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:35:25,846 INFO L85 PathProgramCache]: Analyzing trace with hash 2061975733, now seen corresponding path program 1 times [2022-12-06 17:35:25,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:35:25,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645013526] [2022-12-06 17:35:25,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:25,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:35:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:26,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:35:26,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645013526] [2022-12-06 17:35:26,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645013526] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 17:35:26,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132985904] [2022-12-06 17:35:26,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:26,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 17:35:26,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 17:35:26,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 17:35:26,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-06 17:35:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:26,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-06 17:35:26,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 17:35:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:26,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 17:35:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:26,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132985904] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-06 17:35:26,746 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-06 17:35:26,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-12-06 17:35:26,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714911684] [2022-12-06 17:35:26,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-06 17:35:26,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-06 17:35:26,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:35:26,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-06 17:35:26,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-12-06 17:35:26,750 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 252 [2022-12-06 17:35:26,753 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 476 transitions, 4452 flow. Second operand has 19 states, 19 states have (on average 189.3684210526316) internal successors, (3598), 19 states have internal predecessors, (3598), 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 17:35:26,753 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:35:26,753 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 252 [2022-12-06 17:35:26,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:35:29,224 INFO L130 PetriNetUnfolder]: 6679/15968 cut-off events. [2022-12-06 17:35:29,225 INFO L131 PetriNetUnfolder]: For 37133/41655 co-relation queries the response was YES. [2022-12-06 17:35:29,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75531 conditions, 15968 events. 6679/15968 cut-off events. For 37133/41655 co-relation queries the response was YES. Maximal size of possible extension queue 562. Compared 151771 event pairs, 1135 based on Foata normal form. 247/14654 useless extension candidates. Maximal degree in co-relation 48266. Up to 9112 conditions per place. [2022-12-06 17:35:29,385 INFO L137 encePairwiseOnDemand]: 236/252 looper letters, 350 selfloop transitions, 25 changer transitions 89/623 dead transitions. [2022-12-06 17:35:29,385 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 623 transitions, 7304 flow [2022-12-06 17:35:29,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-06 17:35:29,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-06 17:35:29,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3128 transitions. [2022-12-06 17:35:29,390 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7757936507936508 [2022-12-06 17:35:29,391 INFO L294 CegarLoopForPetriNet]: 213 programPoint places, 43 predicate places. [2022-12-06 17:35:29,391 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 623 transitions, 7304 flow [2022-12-06 17:35:29,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 189.3684210526316) internal successors, (3598), 19 states have internal predecessors, (3598), 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 17:35:29,393 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:35:29,393 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] [2022-12-06 17:35:29,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-06 17:35:29,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-06 17:35:29,598 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-12-06 17:35:29,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:35:29,598 INFO L85 PathProgramCache]: Analyzing trace with hash 53433505, now seen corresponding path program 1 times [2022-12-06 17:35:29,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:35:29,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455401635] [2022-12-06 17:35:29,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:29,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:35:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:30,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:30,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:35:30,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455401635] [2022-12-06 17:35:30,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455401635] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 17:35:30,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971901463] [2022-12-06 17:35:30,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:30,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 17:35:30,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 17:35:30,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 17:35:30,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-06 17:35:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:30,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-06 17:35:30,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 17:35:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:30,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 17:35:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:30,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971901463] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-06 17:35:30,500 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-06 17:35:30,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-12-06 17:35:30,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683667308] [2022-12-06 17:35:30,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-06 17:35:30,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-06 17:35:30,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:35:30,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-06 17:35:30,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-12-06 17:35:30,504 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 252 [2022-12-06 17:35:30,507 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 623 transitions, 7304 flow. Second operand has 19 states, 19 states have (on average 189.3684210526316) internal successors, (3598), 19 states have internal predecessors, (3598), 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 17:35:30,507 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:35:30,507 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 252 [2022-12-06 17:35:30,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:35:32,570 INFO L130 PetriNetUnfolder]: 5356/13458 cut-off events. [2022-12-06 17:35:32,570 INFO L131 PetriNetUnfolder]: For 40299/44838 co-relation queries the response was YES. [2022-12-06 17:35:32,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69762 conditions, 13458 events. 5356/13458 cut-off events. For 40299/44838 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 127740 event pairs, 424 based on Foata normal form. 453/12619 useless extension candidates. Maximal degree in co-relation 52281. Up to 7435 conditions per place. [2022-12-06 17:35:32,688 INFO L137 encePairwiseOnDemand]: 236/252 looper letters, 353 selfloop transitions, 32 changer transitions 165/709 dead transitions. [2022-12-06 17:35:32,688 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 709 transitions, 9676 flow [2022-12-06 17:35:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-06 17:35:32,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-06 17:35:32,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3122 transitions. [2022-12-06 17:35:32,693 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7743055555555556 [2022-12-06 17:35:32,693 INFO L294 CegarLoopForPetriNet]: 213 programPoint places, 58 predicate places. [2022-12-06 17:35:32,693 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 709 transitions, 9676 flow [2022-12-06 17:35:32,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 189.3684210526316) internal successors, (3598), 19 states have internal predecessors, (3598), 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 17:35:32,694 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:35:32,695 INFO L213 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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 17:35:32,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-06 17:35:32,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-06 17:35:32,900 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-12-06 17:35:32,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:35:32,901 INFO L85 PathProgramCache]: Analyzing trace with hash 787552844, now seen corresponding path program 2 times [2022-12-06 17:35:32,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:35:32,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378305126] [2022-12-06 17:35:32,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:32,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:35:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:33,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:35:33,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378305126] [2022-12-06 17:35:33,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378305126] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 17:35:33,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112660940] [2022-12-06 17:35:33,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-06 17:35:33,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 17:35:33,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 17:35:33,349 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 17:35:33,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-06 17:35:33,602 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-06 17:35:33,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 17:35:33,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-06 17:35:33,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 17:35:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:33,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 17:35:33,979 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:33,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112660940] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-06 17:35:33,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-06 17:35:33,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2022-12-06 17:35:33,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235238538] [2022-12-06 17:35:33,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:35:33,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 17:35:33,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:35:33,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 17:35:33,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-12-06 17:35:33,981 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 252 [2022-12-06 17:35:33,983 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 709 transitions, 9676 flow. Second operand has 9 states, 9 states have (on average 190.77777777777777) internal successors, (1717), 9 states have internal predecessors, (1717), 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 17:35:33,983 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:35:33,983 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 252 [2022-12-06 17:35:33,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:35:35,816 INFO L130 PetriNetUnfolder]: 4318/10898 cut-off events. [2022-12-06 17:35:35,816 INFO L131 PetriNetUnfolder]: For 42857/47956 co-relation queries the response was YES. [2022-12-06 17:35:35,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62510 conditions, 10898 events. 4318/10898 cut-off events. For 42857/47956 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 99205 event pairs, 423 based on Foata normal form. 208/10084 useless extension candidates. Maximal degree in co-relation 44740. Up to 6016 conditions per place. [2022-12-06 17:35:35,908 INFO L137 encePairwiseOnDemand]: 239/252 looper letters, 403 selfloop transitions, 23 changer transitions 162/743 dead transitions. [2022-12-06 17:35:35,908 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 743 transitions, 11444 flow [2022-12-06 17:35:35,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-06 17:35:35,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-06 17:35:35,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1957 transitions. [2022-12-06 17:35:35,911 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7765873015873016 [2022-12-06 17:35:35,912 INFO L294 CegarLoopForPetriNet]: 213 programPoint places, 67 predicate places. [2022-12-06 17:35:35,912 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 743 transitions, 11444 flow [2022-12-06 17:35:35,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 190.77777777777777) internal successors, (1717), 9 states have internal predecessors, (1717), 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 17:35:35,912 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:35:35,913 INFO L213 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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 17:35:35,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-06 17:35:36,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 17:35:36,118 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-12-06 17:35:36,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:35:36,119 INFO L85 PathProgramCache]: Analyzing trace with hash 643188520, now seen corresponding path program 2 times [2022-12-06 17:35:36,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:35:36,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147511437] [2022-12-06 17:35:36,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:36,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:35:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:36,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:35:36,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147511437] [2022-12-06 17:35:36,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147511437] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 17:35:36,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021473792] [2022-12-06 17:35:36,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-06 17:35:36,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 17:35:36,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 17:35:36,413 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 17:35:36,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-06 17:35:36,603 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-06 17:35:36,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 17:35:36,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-06 17:35:36,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 17:35:36,811 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:36,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 17:35:37,042 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:37,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021473792] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-06 17:35:37,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-06 17:35:37,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 18 [2022-12-06 17:35:37,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812785308] [2022-12-06 17:35:37,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:35:37,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 17:35:37,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:35:37,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 17:35:37,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-12-06 17:35:37,045 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 252 [2022-12-06 17:35:37,047 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 743 transitions, 11444 flow. Second operand has 9 states, 9 states have (on average 190.77777777777777) internal successors, (1717), 9 states have internal predecessors, (1717), 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 17:35:37,047 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:35:37,047 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 252 [2022-12-06 17:35:37,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:35:38,617 INFO L130 PetriNetUnfolder]: 3499/9004 cut-off events. [2022-12-06 17:35:38,617 INFO L131 PetriNetUnfolder]: For 42827/46414 co-relation queries the response was YES. [2022-12-06 17:35:38,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55948 conditions, 9004 events. 3499/9004 cut-off events. For 42827/46414 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 79123 event pairs, 345 based on Foata normal form. 153/8360 useless extension candidates. Maximal degree in co-relation 36902. Up to 4893 conditions per place. [2022-12-06 17:35:38,696 INFO L137 encePairwiseOnDemand]: 239/252 looper letters, 421 selfloop transitions, 28 changer transitions 161/761 dead transitions. [2022-12-06 17:35:38,696 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 761 transitions, 13000 flow [2022-12-06 17:35:38,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-06 17:35:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-06 17:35:38,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1957 transitions. [2022-12-06 17:35:38,699 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7765873015873016 [2022-12-06 17:35:38,699 INFO L294 CegarLoopForPetriNet]: 213 programPoint places, 76 predicate places. [2022-12-06 17:35:38,700 INFO L495 AbstractCegarLoop]: Abstraction has has 289 places, 761 transitions, 13000 flow [2022-12-06 17:35:38,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 190.77777777777777) internal successors, (1717), 9 states have internal predecessors, (1717), 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 17:35:38,700 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:35:38,700 INFO L213 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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 17:35:38,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-06 17:35:38,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 17:35:38,906 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2022-12-06 17:35:38,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:35:38,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1252504795, now seen corresponding path program 1 times [2022-12-06 17:35:38,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:35:38,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959595716] [2022-12-06 17:35:38,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:38,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:35:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-06 17:35:40,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:35:40,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959595716] [2022-12-06 17:35:40,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959595716] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 17:35:40,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878897385] [2022-12-06 17:35:40,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:35:40,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 17:35:40,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 17:35:40,125 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 17:35:40,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-06 17:35:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:35:40,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 91 conjunts are in the unsatisfiable core [2022-12-06 17:35:40,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 17:35:40,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-06 17:35:40,328 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-06 17:35:40,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-12-06 17:35:40,463 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-12-06 17:35:40,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-12-06 17:35:40,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-06 17:35:40,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-06 17:35:40,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-06 17:35:41,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 17:35:41,045 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-06 17:35:41,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 22 [2022-12-06 17:35:41,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 17:35:41,100 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-06 17:35:41,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 17:35:41,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-06 17:35:41,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-06 17:35:41,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 17:35:41,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 17:35:41,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-06 17:35:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 17:35:41,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 17:35:41,635 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_493 (Array Int Int))) (= c_~s_6~0 (+ (select (select (store |c_#memory_int| |c_thread1Thread1of1ForFork5_~#t2~0.base| v_ArrVal_493) c_~X_0~0.base) (+ c_~X_0~0.offset 4 (* 4 c_~i_3~0))) c_~s_2~0))) is different from false [2022-12-06 17:35:42,056 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_thread1Thread1of1ForFork5_~#t2~0.base_26| Int)) (or (forall ((v_ArrVal_493 (Array Int Int))) (= c_~s_6~0 (select (select (store |c_#memory_int| |v_thread1Thread1of1ForFork5_~#t2~0.base_26| v_ArrVal_493) c_~X_0~0.base) (+ c_~X_0~0.offset 4)))) (not (< |c_#StackHeapBarrier| |v_thread1Thread1of1ForFork5_~#t2~0.base_26|)))) is different from false [2022-12-06 17:35:42,083 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_493 (Array Int Int)) (|v_thread1Thread1of1ForFork5_~#t2~0.base_26| Int)) (or (not (< |c_#StackHeapBarrier| |v_thread1Thread1of1ForFork5_~#t2~0.base_26|)) (= (select (select (store |c_#memory_int| |v_thread1Thread1of1ForFork5_~#t2~0.base_26| v_ArrVal_493) c_~X_0~0.base) (+ c_~X_0~0.offset 4)) (+ c_~s_6~0 c_~t_8~0)))) is different from false [2022-12-06 17:35:42,281 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_492 (Array Int Int)) (v_ArrVal_493 (Array Int Int)) (|v_thread1Thread1of1ForFork5_~#t2~0.base_26| Int)) (or (let ((.cse0 (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base| v_ArrVal_492))) (= (+ c_~s_6~0 (select (select .cse0 c_~X_0~0.base) (+ c_~X_0~0.offset 4 (* 4 c_~i_7~0)))) (select (select (store .cse0 |v_thread1Thread1of1ForFork5_~#t2~0.base_26| v_ArrVal_493) c_~X_0~0.base) (+ c_~X_0~0.offset 4)))) (not (< |c_#StackHeapBarrier| |v_thread1Thread1of1ForFork5_~#t2~0.base_26|)))) is different from false [2022-12-06 17:35:43,479 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 17:35:43,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 55 [2022-12-06 17:35:43,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 318533622 treesize of output 309489654 Received shutdown request... [2022-12-06 17:49:50,430 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-12-06 17:49:50,431 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 11 remaining) [2022-12-06 17:49:50,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-06 17:49:50,464 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 17:49:50,465 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 17:49:50,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-06 17:49:50,636 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 195 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-5-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-12-06 17:49:50,638 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 11 remaining) [2022-12-06 17:49:50,638 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2022-12-06 17:49:50,638 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2022-12-06 17:49:50,639 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2022-12-06 17:49:50,639 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 11 remaining) [2022-12-06 17:49:50,640 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining) [2022-12-06 17:49:50,640 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork5Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 11 remaining) [2022-12-06 17:49:50,640 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork5Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 11 remaining) [2022-12-06 17:49:50,640 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 11 remaining) [2022-12-06 17:49:50,640 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 11 remaining) [2022-12-06 17:49:50,640 INFO L458 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1] [2022-12-06 17:49:50,645 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 17:49:50,645 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 17:49:50,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:49:50 BasicIcfg [2022-12-06 17:49:50,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 17:49:50,649 INFO L158 Benchmark]: Toolchain (without parser) took 874585.63ms. Allocated memory was 208.7MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 184.6MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. [2022-12-06 17:49:50,649 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 208.7MB. Free memory is still 185.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 17:49:50,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.10ms. Allocated memory is still 208.7MB. Free memory was 184.1MB in the beginning and 168.4MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-12-06 17:49:50,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.63ms. Allocated memory is still 208.7MB. Free memory was 168.4MB in the beginning and 165.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 17:49:50,650 INFO L158 Benchmark]: Boogie Preprocessor took 24.61ms. Allocated memory is still 208.7MB. Free memory was 165.8MB in the beginning and 163.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 17:49:50,650 INFO L158 Benchmark]: RCFGBuilder took 731.85ms. Allocated memory is still 208.7MB. Free memory was 163.7MB in the beginning and 112.8MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. [2022-12-06 17:49:50,650 INFO L158 Benchmark]: TraceAbstraction took 873580.20ms. Allocated memory was 208.7MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 112.3MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2022-12-06 17:49:50,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 208.7MB. Free memory is still 185.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 203.10ms. Allocated memory is still 208.7MB. Free memory was 184.1MB in the beginning and 168.4MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.63ms. Allocated memory is still 208.7MB. Free memory was 168.4MB in the beginning and 165.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.61ms. Allocated memory is still 208.7MB. Free memory was 165.8MB in the beginning and 163.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 731.85ms. Allocated memory is still 208.7MB. Free memory was 163.7MB in the beginning and 112.8MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. * TraceAbstraction took 873580.20ms. Allocated memory was 208.7MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 112.3MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 195 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-5-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 195 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-5-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 195 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-5-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 169]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 195 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-5-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 168]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 195 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-5-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 195 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-5-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 195 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-5-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 195 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-5-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 195 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-5-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 195 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-5-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 195 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-5-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 311 locations, 11 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: 873.4s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1982 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1982 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 228 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2606 IncrementalHoareTripleChecker+Invalid, 2659 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 112 mSDtfsCounter, 2606 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1602 GetRequests, 1461 SyntacticMatches, 5 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13000occurred in iteration=9, InterpolantAutomatonStates: 85, 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: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 2356 NumberOfCodeBlocks, 2356 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3085 ConstructedInterpolants, 0 QuantifiedInterpolants, 6864 SizeOfPredicates, 37 NumberOfNonLiveVariables, 2202 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 34/74 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown