./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 01:42:49,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 01:42:49,606 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 01:42:49,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 01:42:49,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 01:42:49,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 01:42:49,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 01:42:49,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 01:42:49,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 01:42:49,657 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 01:42:49,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 01:42:49,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 01:42:49,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 01:42:49,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 01:42:49,659 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 01:42:49,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 01:42:49,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 01:42:49,659 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 01:42:49,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 01:42:49,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 01:42:49,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 01:42:49,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 01:42:49,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 01:42:49,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 01:42:49,664 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 01:42:49,664 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 01:42:49,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 01:42:49,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 01:42:49,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 01:42:49,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 01:42:49,665 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 01:42:49,666 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 01:42:49,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 01:42:49,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 01:42:49,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 01:42:49,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 01:42:49,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 01:42:49,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 01:42:49,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 01:42:49,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 01:42:49,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 01:42:49,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 01:42:49,677 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2024-11-19 01:42:49,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 01:42:49,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 01:42:49,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 01:42:49,967 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 01:42:49,968 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 01:42:49,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-11-19 01:42:51,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 01:42:51,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 01:42:51,796 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-11-19 01:42:51,819 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f43c37d0/fc2cb64969ec46f5815fe0f21409bf5b/FLAGea88fc8f6 [2024-11-19 01:42:51,839 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f43c37d0/fc2cb64969ec46f5815fe0f21409bf5b [2024-11-19 01:42:51,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 01:42:51,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 01:42:51,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 01:42:51,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 01:42:51,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 01:42:51,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:42:51" (1/1) ... [2024-11-19 01:42:51,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17040219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:51, skipping insertion in model container [2024-11-19 01:42:51,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:42:51" (1/1) ... [2024-11-19 01:42:51,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 01:42:52,376 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2024-11-19 01:42:52,393 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 01:42:52,393 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 01:42:52,395 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 01:42:52,397 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 01:42:52,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 01:42:52,485 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 01:42:52,539 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2024-11-19 01:42:52,546 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 01:42:52,549 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 01:42:52,549 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 01:42:52,550 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 01:42:52,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 01:42:52,641 INFO L204 MainTranslator]: Completed translation [2024-11-19 01:42:52,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52 WrapperNode [2024-11-19 01:42:52,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 01:42:52,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 01:42:52,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 01:42:52,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 01:42:52,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (1/1) ... [2024-11-19 01:42:52,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (1/1) ... [2024-11-19 01:42:52,720 INFO L138 Inliner]: procedures = 279, calls = 119, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 263 [2024-11-19 01:42:52,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 01:42:52,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 01:42:52,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 01:42:52,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 01:42:52,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (1/1) ... [2024-11-19 01:42:52,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (1/1) ... [2024-11-19 01:42:52,744 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (1/1) ... [2024-11-19 01:42:52,770 INFO L175 MemorySlicer]: Split 96 memory accesses to 4 slices as follows [2, 5, 87, 2]. 91 percent of accesses are in the largest equivalence class. The 77 initializations are split as follows [2, 5, 70, 0]. The 12 writes are split as follows [0, 0, 11, 1]. [2024-11-19 01:42:52,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (1/1) ... [2024-11-19 01:42:52,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (1/1) ... [2024-11-19 01:42:52,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (1/1) ... [2024-11-19 01:42:52,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (1/1) ... [2024-11-19 01:42:52,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (1/1) ... [2024-11-19 01:42:52,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (1/1) ... [2024-11-19 01:42:52,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 01:42:52,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 01:42:52,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 01:42:52,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 01:42:52,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (1/1) ... [2024-11-19 01:42:52,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 01:42:52,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:42:52,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 01:42:52,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 01:42:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 01:42:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 01:42:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 01:42:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 01:42:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 01:42:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 01:42:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 01:42:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 01:42:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 01:42:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 01:42:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 01:42:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 01:42:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 01:42:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 01:42:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 01:42:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 01:42:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 01:42:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 01:42:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 01:42:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 01:42:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 01:42:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 01:42:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 01:42:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 01:42:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 01:42:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 01:42:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 01:42:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 01:42:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 01:42:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 01:42:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 01:42:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 01:42:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 01:42:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 01:42:52,949 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 01:42:53,156 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 01:42:53,158 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 01:42:53,699 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 01:42:53,700 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 01:42:54,416 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 01:42:54,416 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-19 01:42:54,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:42:54 BoogieIcfgContainer [2024-11-19 01:42:54,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 01:42:54,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 01:42:54,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 01:42:54,424 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 01:42:54,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:42:51" (1/3) ... [2024-11-19 01:42:54,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbf55eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:42:54, skipping insertion in model container [2024-11-19 01:42:54,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:42:52" (2/3) ... [2024-11-19 01:42:54,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbf55eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:42:54, skipping insertion in model container [2024-11-19 01:42:54,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:42:54" (3/3) ... [2024-11-19 01:42:54,427 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2024-11-19 01:42:54,446 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 01:42:54,446 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 01:42:54,446 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 01:42:54,504 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-19 01:42:54,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 60 transitions, 127 flow [2024-11-19 01:42:54,584 INFO L124 PetriNetUnfolderBase]: 17/64 cut-off events. [2024-11-19 01:42:54,586 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 01:42:54,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 17/64 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 117 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 51. Up to 4 conditions per place. [2024-11-19 01:42:54,589 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 60 transitions, 127 flow [2024-11-19 01:42:54,593 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 58 transitions, 120 flow [2024-11-19 01:42:54,605 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 01:42:54,615 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@d2ac887, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 01:42:54,615 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-19 01:42:54,628 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 01:42:54,628 INFO L124 PetriNetUnfolderBase]: 2/16 cut-off events. [2024-11-19 01:42:54,629 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 01:42:54,629 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:42:54,630 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2024-11-19 01:42:54,630 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:42:54,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:42:54,635 INFO L85 PathProgramCache]: Analyzing trace with hash 494669112, now seen corresponding path program 1 times [2024-11-19 01:42:54,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:42:54,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006033280] [2024-11-19 01:42:54,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:42:54,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:42:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:42:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 01:42:54,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:42:54,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006033280] [2024-11-19 01:42:54,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006033280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:42:54,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:42:54,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 01:42:54,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095186501] [2024-11-19 01:42:54,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:42:54,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 01:42:55,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:42:55,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 01:42:55,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 01:42:55,027 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 60 [2024-11-19 01:42:55,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 58 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-19 01:42:55,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:42:55,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 60 [2024-11-19 01:42:55,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:42:55,346 INFO L124 PetriNetUnfolderBase]: 116/321 cut-off events. [2024-11-19 01:42:55,346 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 01:42:55,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 565 conditions, 321 events. 116/321 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1308 event pairs, 95 based on Foata normal form. 42/305 useless extension candidates. Maximal degree in co-relation 531. Up to 237 conditions per place. [2024-11-19 01:42:55,353 INFO L140 encePairwiseOnDemand]: 46/60 looper letters, 33 selfloop transitions, 2 changer transitions 0/50 dead transitions. [2024-11-19 01:42:55,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 50 transitions, 174 flow [2024-11-19 01:42:55,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 01:42:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 01:42:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 92 transitions. [2024-11-19 01:42:55,366 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5111111111111111 [2024-11-19 01:42:55,368 INFO L175 Difference]: Start difference. First operand has 45 places, 58 transitions, 120 flow. Second operand 3 states and 92 transitions. [2024-11-19 01:42:55,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 50 transitions, 174 flow [2024-11-19 01:42:55,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 50 transitions, 174 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 01:42:55,377 INFO L231 Difference]: Finished difference. Result has 48 places, 48 transitions, 110 flow [2024-11-19 01:42:55,381 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=48, PETRI_TRANSITIONS=48} [2024-11-19 01:42:55,385 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 3 predicate places. [2024-11-19 01:42:55,386 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 48 transitions, 110 flow [2024-11-19 01:42:55,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-19 01:42:55,387 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:42:55,387 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:42:55,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 01:42:55,387 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:42:55,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:42:55,388 INFO L85 PathProgramCache]: Analyzing trace with hash 489783735, now seen corresponding path program 1 times [2024-11-19 01:42:55,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:42:55,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823142781] [2024-11-19 01:42:55,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:42:55,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:42:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:42:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 01:42:55,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:42:55,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823142781] [2024-11-19 01:42:55,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823142781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:42:55,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:42:55,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 01:42:55,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494241938] [2024-11-19 01:42:55,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:42:55,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 01:42:55,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:42:55,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 01:42:55,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 01:42:55,528 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 60 [2024-11-19 01:42:55,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 48 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-11-19 01:42:55,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:42:55,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 60 [2024-11-19 01:42:55,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:42:55,754 INFO L124 PetriNetUnfolderBase]: 116/323 cut-off events. [2024-11-19 01:42:55,755 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 01:42:55,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 323 events. 116/323 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1311 event pairs, 95 based on Foata normal form. 2/270 useless extension candidates. Maximal degree in co-relation 558. Up to 240 conditions per place. [2024-11-19 01:42:55,759 INFO L140 encePairwiseOnDemand]: 57/60 looper letters, 32 selfloop transitions, 2 changer transitions 0/49 dead transitions. [2024-11-19 01:42:55,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 49 transitions, 180 flow [2024-11-19 01:42:55,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 01:42:55,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 01:42:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2024-11-19 01:42:55,764 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4388888888888889 [2024-11-19 01:42:55,764 INFO L175 Difference]: Start difference. First operand has 48 places, 48 transitions, 110 flow. Second operand 3 states and 79 transitions. [2024-11-19 01:42:55,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 49 transitions, 180 flow [2024-11-19 01:42:55,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 49 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 01:42:55,767 INFO L231 Difference]: Finished difference. Result has 50 places, 49 transitions, 122 flow [2024-11-19 01:42:55,768 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=50, PETRI_TRANSITIONS=49} [2024-11-19 01:42:55,769 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 5 predicate places. [2024-11-19 01:42:55,769 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 49 transitions, 122 flow [2024-11-19 01:42:55,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-11-19 01:42:55,770 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:42:55,770 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:42:55,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 01:42:55,770 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:42:55,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:42:55,772 INFO L85 PathProgramCache]: Analyzing trace with hash 20171478, now seen corresponding path program 1 times [2024-11-19 01:42:55,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:42:55,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115333927] [2024-11-19 01:42:55,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:42:55,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:42:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:42:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 01:42:55,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:42:55,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115333927] [2024-11-19 01:42:55,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115333927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:42:55,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689080361] [2024-11-19 01:42:55,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:42:55,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:42:55,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:42:55,969 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:42:55,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 01:42:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:42:56,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 01:42:56,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:42:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 01:42:56,199 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 01:42:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 01:42:56,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689080361] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 01:42:56,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 01:42:56,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-19 01:42:56,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881351600] [2024-11-19 01:42:56,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 01:42:56,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 01:42:56,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:42:56,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 01:42:56,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 01:42:56,223 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 60 [2024-11-19 01:42:56,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 49 transitions, 122 flow. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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) [2024-11-19 01:42:56,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:42:56,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 60 [2024-11-19 01:42:56,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:42:56,832 INFO L124 PetriNetUnfolderBase]: 116/329 cut-off events. [2024-11-19 01:42:56,832 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 01:42:56,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 604 conditions, 329 events. 116/329 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1325 event pairs, 95 based on Foata normal form. 6/280 useless extension candidates. Maximal degree in co-relation 565. Up to 240 conditions per place. [2024-11-19 01:42:56,834 INFO L140 encePairwiseOnDemand]: 57/60 looper letters, 32 selfloop transitions, 5 changer transitions 0/52 dead transitions. [2024-11-19 01:42:56,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 52 transitions, 208 flow [2024-11-19 01:42:56,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 01:42:56,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 01:42:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 129 transitions. [2024-11-19 01:42:56,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35833333333333334 [2024-11-19 01:42:56,837 INFO L175 Difference]: Start difference. First operand has 50 places, 49 transitions, 122 flow. Second operand 6 states and 129 transitions. [2024-11-19 01:42:56,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 52 transitions, 208 flow [2024-11-19 01:42:56,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 52 transitions, 204 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-19 01:42:56,839 INFO L231 Difference]: Finished difference. Result has 57 places, 52 transitions, 160 flow [2024-11-19 01:42:56,839 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=160, PETRI_PLACES=57, PETRI_TRANSITIONS=52} [2024-11-19 01:42:56,840 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 12 predicate places. [2024-11-19 01:42:56,842 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 52 transitions, 160 flow [2024-11-19 01:42:56,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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) [2024-11-19 01:42:56,842 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:42:56,842 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:42:56,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 01:42:57,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:42:57,044 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:42:57,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:42:57,045 INFO L85 PathProgramCache]: Analyzing trace with hash 805982583, now seen corresponding path program 2 times [2024-11-19 01:42:57,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:42:57,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966631570] [2024-11-19 01:42:57,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 01:42:57,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:42:57,152 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 01:42:57,152 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 01:42:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 01:42:57,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:42:57,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966631570] [2024-11-19 01:42:57,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966631570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:42:57,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446581857] [2024-11-19 01:42:57,290 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 01:42:57,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:42:57,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:42:57,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:42:57,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 01:42:57,600 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 01:42:57,600 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 01:42:57,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 01:42:57,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:42:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 01:42:57,659 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 01:42:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 01:42:57,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446581857] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 01:42:57,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 01:42:57,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-11-19 01:42:57,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909613882] [2024-11-19 01:42:57,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 01:42:57,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 01:42:57,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:42:57,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 01:42:57,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-19 01:42:57,744 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 60 [2024-11-19 01:42:57,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 52 transitions, 160 flow. Second operand has 14 states, 14 states have (on average 16.571428571428573) internal successors, (232), 14 states have internal predecessors, (232), 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) [2024-11-19 01:42:57,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 01:42:57,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 60 [2024-11-19 01:42:57,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 01:42:58,884 INFO L124 PetriNetUnfolderBase]: 117/354 cut-off events. [2024-11-19 01:42:58,885 INFO L125 PetriNetUnfolderBase]: For 121/121 co-relation queries the response was YES. [2024-11-19 01:42:58,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 354 events. 117/354 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1390 event pairs, 95 based on Foata normal form. 19/318 useless extension candidates. Maximal degree in co-relation 561. Up to 237 conditions per place. [2024-11-19 01:42:58,887 INFO L140 encePairwiseOnDemand]: 55/60 looper letters, 32 selfloop transitions, 36 changer transitions 0/83 dead transitions. [2024-11-19 01:42:58,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 83 transitions, 496 flow [2024-11-19 01:42:58,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-19 01:42:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2024-11-19 01:42:58,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 597 transitions. [2024-11-19 01:42:58,892 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2926470588235294 [2024-11-19 01:42:58,892 INFO L175 Difference]: Start difference. First operand has 57 places, 52 transitions, 160 flow. Second operand 34 states and 597 transitions. [2024-11-19 01:42:58,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 83 transitions, 496 flow [2024-11-19 01:42:58,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 83 transitions, 454 flow, removed 18 selfloop flow, removed 1 redundant places. [2024-11-19 01:42:58,895 INFO L231 Difference]: Finished difference. Result has 102 places, 83 transitions, 452 flow [2024-11-19 01:42:58,896 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=452, PETRI_PLACES=102, PETRI_TRANSITIONS=83} [2024-11-19 01:42:58,896 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 57 predicate places. [2024-11-19 01:42:58,897 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 83 transitions, 452 flow [2024-11-19 01:42:58,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.571428571428573) internal successors, (232), 14 states have internal predecessors, (232), 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) [2024-11-19 01:42:58,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 01:42:58,897 INFO L204 CegarLoopForPetriNet]: trace histogram [20, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 01:42:58,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 01:42:59,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-19 01:42:59,099 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:42:59,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:42:59,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1606080906, now seen corresponding path program 3 times [2024-11-19 01:42:59,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:42:59,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31846928] [2024-11-19 01:42:59,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 01:42:59,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:43:12,918 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-19 01:43:12,919 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 01:43:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 01:43:13,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:43:13,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31846928] [2024-11-19 01:43:13,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31846928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:43:13,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192333239] [2024-11-19 01:43:13,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 01:43:13,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:43:13,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:43:13,364 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:43:13,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process