/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-time-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 05:14:15,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 05:14:15,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 05:14:15,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 05:14:15,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 05:14:15,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 05:14:15,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 05:14:15,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 05:14:15,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 05:14:15,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 05:14:15,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 05:14:15,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 05:14:15,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 05:14:15,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 05:14:15,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 05:14:15,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 05:14:15,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 05:14:15,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 05:14:15,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 05:14:15,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 05:14:15,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 05:14:15,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 05:14:15,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 05:14:15,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 05:14:15,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 05:14:15,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 05:14:15,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 05:14:15,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 05:14:15,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 05:14:15,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 05:14:15,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 05:14:15,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 05:14:15,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 05:14:15,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 05:14:15,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 05:14:15,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 05:14:15,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 05:14:15,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 05:14:15,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 05:14:15,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 05:14:15,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 05:14:15,224 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 05:14:15,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 05:14:15,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 05:14:15,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 05:14:15,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 05:14:15,251 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 05:14:15,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 05:14:15,252 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 05:14:15,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 05:14:15,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 05:14:15,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 05:14:15,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 05:14:15,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 05:14:15,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 05:14:15,253 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 05:14:15,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 05:14:15,253 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 05:14:15,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 05:14:15,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 05:14:15,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 05:14:15,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 05:14:15,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 05:14:15,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:14:15,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 05:14:15,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 05:14:15,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 05:14:15,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 05:14:15,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 05:14:15,255 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 05:14:15,255 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 05:14:15,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 05:14:15,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 05:14:15,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 05:14:15,595 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 05:14:15,595 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 05:14:15,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-subst.wvr.c [2022-12-06 05:14:16,467 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 05:14:16,690 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 05:14:16,691 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-subst.wvr.c [2022-12-06 05:14:16,700 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f682b361/86849579f257432f87ed32d51c93e97a/FLAGaf9698b41 [2022-12-06 05:14:16,725 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f682b361/86849579f257432f87ed32d51c93e97a [2022-12-06 05:14:16,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 05:14:16,728 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 05:14:16,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 05:14:16,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 05:14:16,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 05:14:16,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:16,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609832fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16, skipping insertion in model container [2022-12-06 05:14:16,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:16,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 05:14:16,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 05:14:16,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:14:16,932 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:14:16,933 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:14:16,933 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:14:16,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:14:16,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:14:16,941 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/chl-time-subst.wvr.c[2879,2892] [2022-12-06 05:14:16,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:14:16,958 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 05:14:16,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:14:16,970 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:14:16,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:14:16,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:14:16,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:14:16,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:14:16,976 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/chl-time-subst.wvr.c[2879,2892] [2022-12-06 05:14:16,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:14:16,987 INFO L208 MainTranslator]: Completed translation [2022-12-06 05:14:16,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16 WrapperNode [2022-12-06 05:14:16,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 05:14:16,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 05:14:16,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 05:14:16,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 05:14:16,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:17,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:17,028 INFO L138 Inliner]: procedures = 23, calls = 39, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 214 [2022-12-06 05:14:17,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 05:14:17,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 05:14:17,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 05:14:17,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 05:14:17,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:17,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:17,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:17,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:17,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:17,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:17,044 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:17,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:17,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 05:14:17,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 05:14:17,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 05:14:17,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 05:14:17,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16" (1/1) ... [2022-12-06 05:14:17,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:14:17,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 05:14:17,086 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 05:14:17,103 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 05:14:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 05:14:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 05:14:17,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 05:14:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 05:14:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 05:14:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 05:14:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 05:14:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 05:14:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 05:14:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 05:14:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 05:14:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 05:14:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 05:14:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 05:14:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 05:14:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 05:14:17,116 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 05:14:17,194 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 05:14:17,195 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 05:14:17,516 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 05:14:17,698 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 05:14:17,698 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 05:14:17,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:14:17 BoogieIcfgContainer [2022-12-06 05:14:17,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 05:14:17,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 05:14:17,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 05:14:17,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 05:14:17,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:14:16" (1/3) ... [2022-12-06 05:14:17,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a208c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:14:17, skipping insertion in model container [2022-12-06 05:14:17,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:16" (2/3) ... [2022-12-06 05:14:17,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a208c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:14:17, skipping insertion in model container [2022-12-06 05:14:17,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:14:17" (3/3) ... [2022-12-06 05:14:17,706 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-subst.wvr.c [2022-12-06 05:14:17,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 05:14:17,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 05:14:17,718 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 05:14:17,769 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-06 05:14:17,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 114 places, 105 transitions, 234 flow [2022-12-06 05:14:17,883 INFO L130 PetriNetUnfolder]: 1/102 cut-off events. [2022-12-06 05:14:17,883 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 05:14:17,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 102 events. 1/102 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 20 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2022-12-06 05:14:17,888 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 105 transitions, 234 flow [2022-12-06 05:14:17,890 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 92 transitions, 202 flow [2022-12-06 05:14:17,891 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:14:17,906 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 92 transitions, 202 flow [2022-12-06 05:14:17,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 92 transitions, 202 flow [2022-12-06 05:14:17,940 INFO L130 PetriNetUnfolder]: 1/92 cut-off events. [2022-12-06 05:14:17,940 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 05:14:17,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 92 events. 1/92 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 19 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 23. Up to 2 conditions per place. [2022-12-06 05:14:17,943 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 92 transitions, 202 flow [2022-12-06 05:14:17,943 INFO L188 LiptonReduction]: Number of co-enabled transitions 270 [2022-12-06 05:14:22,263 INFO L203 LiptonReduction]: Total number of compositions: 76 [2022-12-06 05:14:22,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 05:14:22,277 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ac496f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 05:14:22,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 05:14:22,281 INFO L130 PetriNetUnfolder]: 0/15 cut-off events. [2022-12-06 05:14:22,281 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 05:14:22,281 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:14:22,282 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:14:22,282 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:14:22,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:14:22,285 INFO L85 PathProgramCache]: Analyzing trace with hash -330264479, now seen corresponding path program 1 times [2022-12-06 05:14:22,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:14:22,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58288015] [2022-12-06 05:14:22,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:14:22,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:14:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:14:23,561 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 05:14:23,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:14:23,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58288015] [2022-12-06 05:14:23,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58288015] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:14:23,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:14:23,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 05:14:23,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365917352] [2022-12-06 05:14:23,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:14:23,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 05:14:23,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:14:23,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 05:14:23,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-06 05:14:23,587 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 16 [2022-12-06 05:14:23,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 16 transitions, 50 flow. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:14:23,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:14:23,588 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 16 [2022-12-06 05:14:23,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:14:23,863 INFO L130 PetriNetUnfolder]: 38/100 cut-off events. [2022-12-06 05:14:23,863 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-12-06 05:14:23,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 100 events. 38/100 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 274 event pairs, 17 based on Foata normal form. 1/101 useless extension candidates. Maximal degree in co-relation 130. Up to 45 conditions per place. [2022-12-06 05:14:23,865 INFO L137 encePairwiseOnDemand]: 12/16 looper letters, 28 selfloop transitions, 2 changer transitions 7/37 dead transitions. [2022-12-06 05:14:23,865 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 37 transitions, 190 flow [2022-12-06 05:14:23,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 05:14:23,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 05:14:23,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2022-12-06 05:14:23,874 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.475 [2022-12-06 05:14:23,875 INFO L175 Difference]: Start difference. First operand has 26 places, 16 transitions, 50 flow. Second operand 5 states and 38 transitions. [2022-12-06 05:14:23,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 37 transitions, 190 flow [2022-12-06 05:14:23,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 37 transitions, 162 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-06 05:14:23,879 INFO L231 Difference]: Finished difference. Result has 27 places, 17 transitions, 53 flow [2022-12-06 05:14:23,880 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=53, PETRI_PLACES=27, PETRI_TRANSITIONS=17} [2022-12-06 05:14:23,883 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 1 predicate places. [2022-12-06 05:14:23,883 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:14:23,884 INFO L89 Accepts]: Start accepts. Operand has 27 places, 17 transitions, 53 flow [2022-12-06 05:14:23,886 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:14:23,887 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:14:23,887 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 17 transitions, 53 flow [2022-12-06 05:14:23,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 17 transitions, 53 flow [2022-12-06 05:14:23,900 INFO L130 PetriNetUnfolder]: 0/27 cut-off events. [2022-12-06 05:14:23,900 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 05:14:23,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 27 events. 0/27 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 35 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2022-12-06 05:14:23,902 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 17 transitions, 53 flow [2022-12-06 05:14:23,902 INFO L188 LiptonReduction]: Number of co-enabled transitions 36 [2022-12-06 05:14:23,915 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [652] $Ultimate##0-->thread3EXIT: Formula: (let ((.cse2 (<= v_~ora_2~0_37 (+ 2147483647 v_~ora_4~0_41)))) (and (= |v_thread3Thread1of1ForFork1_#res#1.base_7| 0) (let ((.cse1 (= v_~ora_2~0_37 v_~ora_4~0_41))) (or (let ((.cse0 (ite (or (<= 0 v_~ora_4~0_41) .cse2) 1 0))) (and (= .cse0 |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_7|) (= |v_thread3Thread1of1ForFork1_minus_~b#1_7| v_~ora_4~0_41) (= |v_thread3Thread1of1ForFork1_minus_#in~b#1_7| v_~ora_4~0_41) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_7| .cse0) (not .cse1) (= |v_thread3Thread1of1ForFork1_minus_#in~a#1_7| v_~ora_2~0_37) (= v_~ora_2~0_37 (+ |v_thread3Thread1of1ForFork1_minus_#res#1_7| v_~ora_4~0_41)) (= |v_thread3Thread1of1ForFork1_#t~ret8#1_10| |v_thread3_#t~ret8#1_39|) (= |v_thread3Thread1of1ForFork1_minus_~a#1_7| v_~ora_2~0_37) (= (+ v_~cmp_8~0_69 v_~ora_4~0_41) v_~ora_2~0_37))) (and (= |v_thread3_#t~ret8#1_39| v_~cmp_8~0_69) (= |v_thread3Thread1of1ForFork1_minus_~a#1_7| |v_thread3Thread1of1ForFork1_minus_#in~a#1_7|) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_7| (ite (or (<= |v_thread3Thread1of1ForFork1_minus_~a#1_7| (+ |v_thread3Thread1of1ForFork1_minus_~b#1_7| 2147483647)) (<= 0 |v_thread3Thread1of1ForFork1_minus_~b#1_7|)) 1 0)) .cse1 (= |v_thread3_#t~ret8#1_39| |v_thread3Thread1of1ForFork1_minus_#res#1_7|) (= |v_thread3Thread1of1ForFork1_minus_~a#1_7| (+ |v_thread3Thread1of1ForFork1_minus_~b#1_7| |v_thread3Thread1of1ForFork1_minus_#res#1_7|)) (= |v_thread3Thread1of1ForFork1_minus_#in~a#1_7| v_~volume_totale_3~0_61) (= |v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_7| |v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_7|) (= |v_thread3Thread1of1ForFork1_minus_~b#1_7| |v_thread3Thread1of1ForFork1_minus_#in~b#1_7|) (<= |v_thread3_#t~ret8#1_39| 2147483647) (= |v_thread3Thread1of1ForFork1_minus_#in~b#1_7| v_~volume_totale_5~0_57) (<= 0 (+ |v_thread3_#t~ret8#1_39| 2147483648))))) (= |v_thread3Thread1of1ForFork1_#res#1.offset_7| 0) .cse2 (<= v_~ora_4~0_41 (+ v_~ora_2~0_37 2147483648)))) InVars {thread3Thread1of1ForFork1_#t~ret8#1=|v_thread3Thread1of1ForFork1_#t~ret8#1_10|, ~volume_totale_3~0=v_~volume_totale_3~0_61, ~ora_4~0=v_~ora_4~0_41, ~ora_2~0=v_~ora_2~0_37, ~volume_totale_5~0=v_~volume_totale_5~0_57} OutVars{thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_7|, thread3Thread1of1ForFork1_#t~ret7#1=|v_thread3Thread1of1ForFork1_#t~ret7#1_7|, thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_7|, ~volume_totale_3~0=v_~volume_totale_3~0_61, thread3Thread1of1ForFork1_minus_~a#1=|v_thread3Thread1of1ForFork1_minus_~a#1_7|, ~ora_4~0=v_~ora_4~0_41, ~ora_2~0=v_~ora_2~0_37, ~volume_totale_5~0=v_~volume_totale_5~0_57, thread3Thread1of1ForFork1_minus_#in~b#1=|v_thread3Thread1of1ForFork1_minus_#in~b#1_7|, ~cmp_8~0=v_~cmp_8~0_69, thread3Thread1of1ForFork1_minus_#res#1=|v_thread3Thread1of1ForFork1_minus_#res#1_7|, thread3Thread1of1ForFork1_#res#1.offset=|v_thread3Thread1of1ForFork1_#res#1.offset_7|, thread3Thread1of1ForFork1_#t~ite9#1=|v_thread3Thread1of1ForFork1_#t~ite9#1_7|, thread3Thread1of1ForFork1_#res#1.base=|v_thread3Thread1of1ForFork1_#res#1.base_7|, thread3Thread1of1ForFork1_minus_~b#1=|v_thread3Thread1of1ForFork1_minus_~b#1_7|, thread3Thread1of1ForFork1_minus_#in~a#1=|v_thread3Thread1of1ForFork1_minus_#in~a#1_7|} AuxVars[|v_thread3_#t~ret8#1_39|] AssignedVars[thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork1_#t~ret7#1, thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork1_minus_~a#1, thread3Thread1of1ForFork1_minus_#in~b#1, ~cmp_8~0, thread3Thread1of1ForFork1_minus_#res#1, thread3Thread1of1ForFork1_#res#1.offset, thread3Thread1of1ForFork1_#t~ite9#1, thread3Thread1of1ForFork1_#t~ret8#1, thread3Thread1of1ForFork1_#res#1.base, thread3Thread1of1ForFork1_minus_~b#1, thread3Thread1of1ForFork1_minus_#in~a#1] and [654] $Ultimate##0-->thread1EXIT: Formula: (let ((.cse2 (<= v_~ora_0~0_43 (+ 2147483647 v_~ora_2~0_41)))) (and (let ((.cse1 (= v_~ora_0~0_43 v_~ora_2~0_41))) (or (let ((.cse0 (ite (or .cse2 (<= 0 v_~ora_2~0_41)) 1 0))) (and (= v_~ora_2~0_41 |v_thread1Thread1of1ForFork2_minus_~b#1_5|) (= v_~ora_0~0_43 |v_thread1Thread1of1ForFork2_minus_~a#1_5|) (= .cse0 |v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_5|) (= |v_thread1_#t~ret2#1_57| |v_thread1Thread1of1ForFork2_#t~ret2#1_6|) (not .cse1) (= (+ |v_thread1Thread1of1ForFork2_minus_#res#1_5| v_~ora_2~0_41) v_~ora_0~0_43) (= v_~ora_0~0_43 |v_thread1Thread1of1ForFork2_minus_#in~a#1_5|) (= v_~ora_0~0_43 (+ v_~cmp_6~0_73 v_~ora_2~0_41)) (= v_~ora_2~0_41 |v_thread1Thread1of1ForFork2_minus_#in~b#1_5|) (= .cse0 |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_5|))) (and (<= |v_thread1_#t~ret2#1_57| 2147483647) (= v_~volume_totale_3~0_65 |v_thread1Thread1of1ForFork2_minus_#in~b#1_5|) (= |v_thread1Thread1of1ForFork2_minus_#in~a#1_5| |v_thread1Thread1of1ForFork2_minus_~a#1_5|) (= |v_thread1Thread1of1ForFork2_minus_#in~b#1_5| |v_thread1Thread1of1ForFork2_minus_~b#1_5|) (= |v_thread1_#t~ret2#1_57| v_~cmp_6~0_73) (= |v_thread1_#t~ret2#1_57| |v_thread1Thread1of1ForFork2_minus_#res#1_5|) .cse1 (= |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_5| |v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_5|) (<= 0 (+ |v_thread1_#t~ret2#1_57| 2147483648)) (= v_~volume_totale_1~0_71 |v_thread1Thread1of1ForFork2_minus_#in~a#1_5|) (= (+ |v_thread1Thread1of1ForFork2_minus_#res#1_5| |v_thread1Thread1of1ForFork2_minus_~b#1_5|) |v_thread1Thread1of1ForFork2_minus_~a#1_5|) (= |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_5| (ite (or (<= 0 |v_thread1Thread1of1ForFork2_minus_~b#1_5|) (<= |v_thread1Thread1of1ForFork2_minus_~a#1_5| (+ 2147483647 |v_thread1Thread1of1ForFork2_minus_~b#1_5|))) 1 0))))) (<= v_~ora_2~0_41 (+ v_~ora_0~0_43 2147483648)) (= |v_thread1Thread1of1ForFork2_#res#1.base_7| 0) .cse2 (= |v_thread1Thread1of1ForFork2_#res#1.offset_7| 0))) InVars {~ora_0~0=v_~ora_0~0_43, thread1Thread1of1ForFork2_#t~ret2#1=|v_thread1Thread1of1ForFork2_#t~ret2#1_6|, ~volume_totale_3~0=v_~volume_totale_3~0_65, ~ora_2~0=v_~ora_2~0_41, ~volume_totale_1~0=v_~volume_totale_1~0_71} OutVars{thread1Thread1of1ForFork2_#t~ret1#1=|v_thread1Thread1of1ForFork2_#t~ret1#1_5|, thread1Thread1of1ForFork2_minus_#in~a#1=|v_thread1Thread1of1ForFork2_minus_#in~a#1_5|, thread1Thread1of1ForFork2_minus_#res#1=|v_thread1Thread1of1ForFork2_minus_#res#1_5|, ~volume_totale_3~0=v_~volume_totale_3~0_65, ~ora_2~0=v_~ora_2~0_41, ~cmp_6~0=v_~cmp_6~0_73, ~volume_totale_1~0=v_~volume_totale_1~0_71, ~ora_0~0=v_~ora_0~0_43, thread1Thread1of1ForFork2_minus_#in~b#1=|v_thread1Thread1of1ForFork2_minus_#in~b#1_5|, thread1Thread1of1ForFork2_minus_~b#1=|v_thread1Thread1of1ForFork2_minus_~b#1_5|, thread1Thread1of1ForFork2_#t~ite3#1=|v_thread1Thread1of1ForFork2_#t~ite3#1_5|, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_5|, thread1Thread1of1ForFork2_#res#1.offset=|v_thread1Thread1of1ForFork2_#res#1.offset_7|, thread1Thread1of1ForFork2_minus_~a#1=|v_thread1Thread1of1ForFork2_minus_~a#1_5|, thread1Thread1of1ForFork2_#res#1.base=|v_thread1Thread1of1ForFork2_#res#1.base_7|, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_5|} AuxVars[|v_thread1_#t~ret2#1_57|] AssignedVars[thread1Thread1of1ForFork2_#t~ret1#1, thread1Thread1of1ForFork2_minus_#in~a#1, thread1Thread1of1ForFork2_minus_#res#1, ~cmp_6~0, thread1Thread1of1ForFork2_minus_#in~b#1, thread1Thread1of1ForFork2_minus_~b#1, thread1Thread1of1ForFork2_#t~ite3#1, thread1Thread1of1ForFork2_#t~ret2#1, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork2_#res#1.offset, thread1Thread1of1ForFork2_minus_~a#1, thread1Thread1of1ForFork2_#res#1.base, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1] [2022-12-06 05:14:24,387 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 05:14:24,388 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 505 [2022-12-06 05:14:24,388 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 56 flow [2022-12-06 05:14:24,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:14:24,389 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:14:24,389 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:14:24,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 05:14:24,389 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:14:24,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:14:24,389 INFO L85 PathProgramCache]: Analyzing trace with hash -2530013, now seen corresponding path program 2 times [2022-12-06 05:14:24,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:14:24,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105593785] [2022-12-06 05:14:24,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:14:24,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:14:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:14:25,056 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 05:14:25,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:14:25,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105593785] [2022-12-06 05:14:25,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105593785] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:14:25,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:14:25,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 05:14:25,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931875451] [2022-12-06 05:14:25,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:14:25,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 05:14:25,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:14:25,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 05:14:25,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-06 05:14:25,059 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 05:14:25,059 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 56 flow. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:14:25,059 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:14:25,059 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 05:14:25,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:14:25,263 INFO L130 PetriNetUnfolder]: 38/116 cut-off events. [2022-12-06 05:14:25,263 INFO L131 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2022-12-06 05:14:25,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 116 events. 38/116 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 411 event pairs, 13 based on Foata normal form. 1/117 useless extension candidates. Maximal degree in co-relation 292. Up to 58 conditions per place. [2022-12-06 05:14:25,264 INFO L137 encePairwiseOnDemand]: 12/17 looper letters, 27 selfloop transitions, 3 changer transitions 10/40 dead transitions. [2022-12-06 05:14:25,264 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 40 transitions, 201 flow [2022-12-06 05:14:25,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 05:14:25,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 05:14:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2022-12-06 05:14:25,280 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4823529411764706 [2022-12-06 05:14:25,280 INFO L175 Difference]: Start difference. First operand has 26 places, 17 transitions, 56 flow. Second operand 5 states and 41 transitions. [2022-12-06 05:14:25,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 40 transitions, 201 flow [2022-12-06 05:14:25,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 40 transitions, 193 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-12-06 05:14:25,281 INFO L231 Difference]: Finished difference. Result has 31 places, 18 transitions, 72 flow [2022-12-06 05:14:25,282 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=72, PETRI_PLACES=31, PETRI_TRANSITIONS=18} [2022-12-06 05:14:25,282 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 5 predicate places. [2022-12-06 05:14:25,282 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:14:25,282 INFO L89 Accepts]: Start accepts. Operand has 31 places, 18 transitions, 72 flow [2022-12-06 05:14:25,283 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:14:25,283 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:14:25,283 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 18 transitions, 72 flow [2022-12-06 05:14:25,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 18 transitions, 72 flow [2022-12-06 05:14:25,288 INFO L130 PetriNetUnfolder]: 0/39 cut-off events. [2022-12-06 05:14:25,288 INFO L131 PetriNetUnfolder]: For 39/50 co-relation queries the response was YES. [2022-12-06 05:14:25,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 39 events. 0/39 cut-off events. For 39/50 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 100 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2022-12-06 05:14:25,289 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 18 transitions, 72 flow [2022-12-06 05:14:25,289 INFO L188 LiptonReduction]: Number of co-enabled transitions 40 [2022-12-06 05:14:25,303 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 05:14:25,304 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 22 [2022-12-06 05:14:25,304 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 18 transitions, 72 flow [2022-12-06 05:14:25,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:14:25,304 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:14:25,304 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:14:25,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 05:14:25,304 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:14:25,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:14:25,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1011923191, now seen corresponding path program 1 times [2022-12-06 05:14:25,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:14:25,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159920520] [2022-12-06 05:14:25,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:14:25,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:14:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:14:25,786 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 05:14:25,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:14:25,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159920520] [2022-12-06 05:14:25,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159920520] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:14:25,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:14:25,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 05:14:25,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669968581] [2022-12-06 05:14:25,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:14:25,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 05:14:25,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:14:25,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 05:14:25,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 05:14:25,788 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 05:14:25,788 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 18 transitions, 72 flow. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 05:14:25,788 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:14:25,788 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 05:14:25,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:14:25,912 INFO L130 PetriNetUnfolder]: 33/103 cut-off events. [2022-12-06 05:14:25,912 INFO L131 PetriNetUnfolder]: For 187/187 co-relation queries the response was YES. [2022-12-06 05:14:25,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 103 events. 33/103 cut-off events. For 187/187 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 332 event pairs, 14 based on Foata normal form. 1/104 useless extension candidates. Maximal degree in co-relation 316. Up to 60 conditions per place. [2022-12-06 05:14:25,913 INFO L137 encePairwiseOnDemand]: 14/17 looper letters, 22 selfloop transitions, 2 changer transitions 8/32 dead transitions. [2022-12-06 05:14:25,913 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 32 transitions, 187 flow [2022-12-06 05:14:25,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 05:14:25,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 05:14:25,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2022-12-06 05:14:25,915 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.47058823529411764 [2022-12-06 05:14:25,915 INFO L175 Difference]: Start difference. First operand has 31 places, 18 transitions, 72 flow. Second operand 4 states and 32 transitions. [2022-12-06 05:14:25,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 32 transitions, 187 flow [2022-12-06 05:14:25,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 32 transitions, 175 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-12-06 05:14:25,917 INFO L231 Difference]: Finished difference. Result has 32 places, 17 transitions, 60 flow [2022-12-06 05:14:25,917 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=60, PETRI_PLACES=32, PETRI_TRANSITIONS=17} [2022-12-06 05:14:25,917 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 6 predicate places. [2022-12-06 05:14:25,917 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:14:25,917 INFO L89 Accepts]: Start accepts. Operand has 32 places, 17 transitions, 60 flow [2022-12-06 05:14:25,918 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:14:25,918 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:14:25,918 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 17 transitions, 60 flow [2022-12-06 05:14:25,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 17 transitions, 60 flow [2022-12-06 05:14:25,922 INFO L130 PetriNetUnfolder]: 0/29 cut-off events. [2022-12-06 05:14:25,922 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-12-06 05:14:25,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 29 events. 0/29 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 44 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2022-12-06 05:14:25,922 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 17 transitions, 60 flow [2022-12-06 05:14:25,922 INFO L188 LiptonReduction]: Number of co-enabled transitions 38 [2022-12-06 05:14:25,923 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:14:25,924 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 7 [2022-12-06 05:14:25,924 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 17 transitions, 60 flow [2022-12-06 05:14:25,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 05:14:25,924 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:14:25,924 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:14:25,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 05:14:25,924 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:14:25,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:14:25,924 INFO L85 PathProgramCache]: Analyzing trace with hash 809733537, now seen corresponding path program 3 times [2022-12-06 05:14:25,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:14:25,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842188635] [2022-12-06 05:14:25,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:14:25,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:14:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:14:26,547 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 05:14:26,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:14:26,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842188635] [2022-12-06 05:14:26,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842188635] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:14:26,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:14:26,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 05:14:26,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011104798] [2022-12-06 05:14:26,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:14:26,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 05:14:26,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:14:26,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 05:14:26,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-06 05:14:26,554 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 16 [2022-12-06 05:14:26,555 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 17 transitions, 60 flow. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:14:26,555 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:14:26,555 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 16 [2022-12-06 05:14:26,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:14:26,741 INFO L130 PetriNetUnfolder]: 31/89 cut-off events. [2022-12-06 05:14:26,742 INFO L131 PetriNetUnfolder]: For 111/111 co-relation queries the response was YES. [2022-12-06 05:14:26,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 89 events. 31/89 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 270 event pairs, 9 based on Foata normal form. 1/90 useless extension candidates. Maximal degree in co-relation 274. Up to 37 conditions per place. [2022-12-06 05:14:26,742 INFO L137 encePairwiseOnDemand]: 12/16 looper letters, 22 selfloop transitions, 2 changer transitions 11/35 dead transitions. [2022-12-06 05:14:26,742 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 35 transitions, 183 flow [2022-12-06 05:14:26,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 05:14:26,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 05:14:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions. [2022-12-06 05:14:26,744 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.45 [2022-12-06 05:14:26,744 INFO L175 Difference]: Start difference. First operand has 29 places, 17 transitions, 60 flow. Second operand 5 states and 36 transitions. [2022-12-06 05:14:26,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 35 transitions, 183 flow [2022-12-06 05:14:26,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 35 transitions, 178 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-06 05:14:26,745 INFO L231 Difference]: Finished difference. Result has 32 places, 16 transitions, 55 flow [2022-12-06 05:14:26,745 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=55, PETRI_PLACES=32, PETRI_TRANSITIONS=16} [2022-12-06 05:14:26,746 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 6 predicate places. [2022-12-06 05:14:26,746 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:14:26,746 INFO L89 Accepts]: Start accepts. Operand has 32 places, 16 transitions, 55 flow [2022-12-06 05:14:26,746 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:14:26,746 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:14:26,747 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 16 transitions, 55 flow [2022-12-06 05:14:26,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 16 transitions, 55 flow [2022-12-06 05:14:26,750 INFO L130 PetriNetUnfolder]: 0/20 cut-off events. [2022-12-06 05:14:26,750 INFO L131 PetriNetUnfolder]: For 12/16 co-relation queries the response was YES. [2022-12-06 05:14:26,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 20 events. 0/20 cut-off events. For 12/16 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 15 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 05:14:26,750 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 16 transitions, 55 flow [2022-12-06 05:14:26,750 INFO L188 LiptonReduction]: Number of co-enabled transitions 26 [2022-12-06 05:14:26,751 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:14:26,756 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 10 [2022-12-06 05:14:26,756 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 16 transitions, 55 flow [2022-12-06 05:14:26,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:14:26,757 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:14:26,757 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:14:26,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 05:14:26,757 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:14:26,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:14:26,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1870297103, now seen corresponding path program 4 times [2022-12-06 05:14:26,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:14:26,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502690739] [2022-12-06 05:14:26,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:14:26,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:14:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:14:27,409 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 05:14:27,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:14:27,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502690739] [2022-12-06 05:14:27,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502690739] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:14:27,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:14:27,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 05:14:27,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294011854] [2022-12-06 05:14:27,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:14:27,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 05:14:27,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:14:27,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 05:14:27,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-06 05:14:27,411 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 16 [2022-12-06 05:14:27,411 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 16 transitions, 55 flow. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:14:27,411 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:14:27,412 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 16 [2022-12-06 05:14:27,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:14:27,591 INFO L130 PetriNetUnfolder]: 19/57 cut-off events. [2022-12-06 05:14:27,592 INFO L131 PetriNetUnfolder]: For 98/98 co-relation queries the response was YES. [2022-12-06 05:14:27,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 57 events. 19/57 cut-off events. For 98/98 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 110 event pairs, 8 based on Foata normal form. 1/58 useless extension candidates. Maximal degree in co-relation 189. Up to 28 conditions per place. [2022-12-06 05:14:27,592 INFO L137 encePairwiseOnDemand]: 12/16 looper letters, 0 selfloop transitions, 0 changer transitions 30/30 dead transitions. [2022-12-06 05:14:27,592 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 30 transitions, 158 flow [2022-12-06 05:14:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 05:14:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 05:14:27,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2022-12-06 05:14:27,593 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3875 [2022-12-06 05:14:27,593 INFO L175 Difference]: Start difference. First operand has 30 places, 16 transitions, 55 flow. Second operand 5 states and 31 transitions. [2022-12-06 05:14:27,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 30 transitions, 158 flow [2022-12-06 05:14:27,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 30 transitions, 146 flow, removed 4 selfloop flow, removed 3 redundant places. [2022-12-06 05:14:27,594 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2022-12-06 05:14:27,594 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=45, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2022-12-06 05:14:27,594 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 4 predicate places. [2022-12-06 05:14:27,594 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:14:27,594 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 0 transitions, 0 flow [2022-12-06 05:14:27,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 05:14:27,595 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 05:14:27,595 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 05:14:27,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 05:14:27,595 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 05:14:27,595 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 05:14:27,595 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:14:27,596 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-06 05:14:27,596 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 05:14:27,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:14:27,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 05:14:27,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 05:14:27,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 05:14:27,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-06 05:14:27,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 05:14:27,598 INFO L458 BasicCegarLoop]: Path program histogram: [4, 1] [2022-12-06 05:14:27,600 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 05:14:27,600 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 05:14:27,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:14:27 BasicIcfg [2022-12-06 05:14:27,602 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 05:14:27,602 INFO L158 Benchmark]: Toolchain (without parser) took 10874.07ms. Allocated memory was 195.0MB in the beginning and 429.9MB in the end (delta: 234.9MB). Free memory was 171.3MB in the beginning and 232.7MB in the end (delta: -61.4MB). Peak memory consumption was 174.2MB. Max. memory is 8.0GB. [2022-12-06 05:14:27,602 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 195.0MB. Free memory was 170.6MB in the beginning and 170.6MB in the end (delta: 70.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 05:14:27,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.89ms. Allocated memory is still 195.0MB. Free memory was 171.0MB in the beginning and 158.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 05:14:27,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.98ms. Allocated memory is still 195.0MB. Free memory was 158.9MB in the beginning and 156.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 05:14:27,603 INFO L158 Benchmark]: Boogie Preprocessor took 17.84ms. Allocated memory is still 195.0MB. Free memory was 156.8MB in the beginning and 155.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 05:14:27,603 INFO L158 Benchmark]: RCFGBuilder took 653.03ms. Allocated memory is still 195.0MB. Free memory was 154.7MB in the beginning and 95.5MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2022-12-06 05:14:27,603 INFO L158 Benchmark]: TraceAbstraction took 9900.42ms. Allocated memory was 195.0MB in the beginning and 429.9MB in the end (delta: 234.9MB). Free memory was 95.0MB in the beginning and 232.7MB in the end (delta: -137.8MB). Peak memory consumption was 97.6MB. Max. memory is 8.0GB. [2022-12-06 05:14:27,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 195.0MB. Free memory was 170.6MB in the beginning and 170.6MB in the end (delta: 70.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 252.89ms. Allocated memory is still 195.0MB. Free memory was 171.0MB in the beginning and 158.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.98ms. Allocated memory is still 195.0MB. Free memory was 158.9MB in the beginning and 156.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.84ms. Allocated memory is still 195.0MB. Free memory was 156.8MB in the beginning and 155.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 653.03ms. Allocated memory is still 195.0MB. Free memory was 154.7MB in the beginning and 95.5MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. * TraceAbstraction took 9900.42ms. Allocated memory was 195.0MB in the beginning and 429.9MB in the end (delta: 234.9MB). Free memory was 95.0MB in the beginning and 232.7MB in the end (delta: -137.8MB). Peak memory consumption was 97.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3s, 101 PlacesBefore, 26 PlacesAfterwards, 92 TransitionsBefore, 16 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 57 TrivialYvCompositions, 18 ConcurrentYvCompositions, 1 ChoiceCompositions, 76 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117, independent: 117, independent conditional: 117, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 117, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 117, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 117, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 117, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 117, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 117, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 117, unknown conditional: 0, unknown unconditional: 117] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 171, Positive conditional cache size: 0, Positive unconditional cache size: 171, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5s, 26 PlacesBefore, 26 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 6, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 30 PlacesBefore, 31 PlacesAfterwards, 18 TransitionsBefore, 18 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 5, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 29 PlacesBefore, 29 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 38 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 5, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 30 PlacesBefore, 30 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 26 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 5, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 5, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 93]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 120 locations, 4 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: 9.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 444 IncrementalHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 444 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=2, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 2968 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 05:14:27,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...