./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.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 f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 07:04:06,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 07:04:06,481 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 07:04:06,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 07:04:06,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 07:04:06,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 07:04:06,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 07:04:06,516 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 07:04:06,517 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 07:04:06,518 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 07:04:06,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 07:04:06,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 07:04:06,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 07:04:06,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 07:04:06,520 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 07:04:06,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 07:04:06,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 07:04:06,522 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 07:04:06,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 07:04:06,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 07:04:06,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 07:04:06,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 07:04:06,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 07:04:06,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 07:04:06,527 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 07:04:06,527 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 07:04:06,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 07:04:06,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 07:04:06,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 07:04:06,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 07:04:06,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 07:04:06,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 07:04:06,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:04:06,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 07:04:06,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 07:04:06,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 07:04:06,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 07:04:06,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 07:04:06,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 07:04:06,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 07:04:06,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 07:04:06,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 07:04:06,531 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2024-10-13 07:04:06,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 07:04:06,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 07:04:06,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 07:04:06,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 07:04:06,743 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 07:04:06,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-10-13 07:04:07,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 07:04:08,180 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 07:04:08,181 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-10-13 07:04:08,196 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42440287/fa394d08a22744af92ba9b2bfd45e4c5/FLAG7881194c8 [2024-10-13 07:04:08,207 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42440287/fa394d08a22744af92ba9b2bfd45e4c5 [2024-10-13 07:04:08,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 07:04:08,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 07:04:08,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 07:04:08,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 07:04:08,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 07:04:08,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f40c649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08, skipping insertion in model container [2024-10-13 07:04:08,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 07:04:08,648 WARN L248 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_90-arrayloop2_racing.i[47038,47051] [2024-10-13 07:04:08,661 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 07:04:08,662 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 07:04:08,663 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 07:04:08,663 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 07:04:08,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:04:08,716 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 07:04:08,758 WARN L248 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_90-arrayloop2_racing.i[47038,47051] [2024-10-13 07:04:08,764 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 07:04:08,764 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 07:04:08,765 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 07:04:08,765 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 07:04:08,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:04:08,839 INFO L204 MainTranslator]: Completed translation [2024-10-13 07:04:08,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08 WrapperNode [2024-10-13 07:04:08,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 07:04:08,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 07:04:08,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 07:04:08,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 07:04:08,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,903 INFO L138 Inliner]: procedures = 279, calls = 72, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 326 [2024-10-13 07:04:08,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 07:04:08,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 07:04:08,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 07:04:08,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 07:04:08,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,919 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,939 INFO L175 MemorySlicer]: Split 37 memory accesses to 5 slices as follows [2, 5, 2, 26, 2]. 70 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0, 0]. The 17 writes are split as follows [0, 0, 1, 15, 1]. [2024-10-13 07:04:08,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 07:04:08,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 07:04:08,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 07:04:08,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 07:04:08,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (1/1) ... [2024-10-13 07:04:08,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:04:08,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:04:09,001 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) [2024-10-13 07:04:09,004 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 [2024-10-13 07:04:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 07:04:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 07:04:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 07:04:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 07:04:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 07:04:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 07:04:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-10-13 07:04:09,046 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-10-13 07:04:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 07:04:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-13 07:04:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 07:04:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 07:04:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 07:04:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 07:04:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 07:04:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-10-13 07:04:09,048 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-10-13 07:04:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 07:04:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 07:04:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 07:04:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 07:04:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 07:04:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-13 07:04:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 07:04:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 07:04:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 07:04:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 07:04:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 07:04:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 07:04:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 07:04:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 07:04:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 07:04:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 07:04:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 07:04:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 07:04:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 07:04:09,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 07:04:09,054 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 07:04:09,230 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 07:04:09,233 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 07:04:09,616 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 07:04:09,616 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 07:04:09,845 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 07:04:09,846 INFO L314 CfgBuilder]: Removed 30 assume(true) statements. [2024-10-13 07:04:09,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:09 BoogieIcfgContainer [2024-10-13 07:04:09,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 07:04:09,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 07:04:09,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 07:04:09,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 07:04:09,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:04:08" (1/3) ... [2024-10-13 07:04:09,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa21415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:04:09, skipping insertion in model container [2024-10-13 07:04:09,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:08" (2/3) ... [2024-10-13 07:04:09,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa21415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:04:09, skipping insertion in model container [2024-10-13 07:04:09,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:09" (3/3) ... [2024-10-13 07:04:09,852 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2024-10-13 07:04:09,863 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 07:04:09,864 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 07:04:09,864 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 07:04:09,917 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-13 07:04:09,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 88 places, 117 transitions, 254 flow [2024-10-13 07:04:10,021 INFO L124 PetriNetUnfolderBase]: 52/194 cut-off events. [2024-10-13 07:04:10,022 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-13 07:04:10,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 194 events. 52/194 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 802 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 118. Up to 8 conditions per place. [2024-10-13 07:04:10,031 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 117 transitions, 254 flow [2024-10-13 07:04:10,036 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 117 transitions, 254 flow [2024-10-13 07:04:10,044 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 07:04:10,052 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;@595d64c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 07:04:10,052 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-13 07:04:10,060 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 07:04:10,060 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-10-13 07:04:10,060 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 07:04:10,060 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 07:04:10,061 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-13 07:04:10,061 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 07:04:10,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:04:10,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1143071775, now seen corresponding path program 1 times [2024-10-13 07:04:10,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:04:10,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295422988] [2024-10-13 07:04:10,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:04:10,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:04:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:04:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 07:04:10,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:04:10,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295422988] [2024-10-13 07:04:10,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295422988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:04:10,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:04:10,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 07:04:10,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587921766] [2024-10-13 07:04:10,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:04:10,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 07:04:10,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:04:10,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 07:04:10,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 07:04:10,440 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 117 [2024-10-13 07:04:10,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 117 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2024-10-13 07:04:10,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 07:04:10,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 117 [2024-10-13 07:04:10,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 07:04:11,723 INFO L124 PetriNetUnfolderBase]: 7193/13989 cut-off events. [2024-10-13 07:04:11,724 INFO L125 PetriNetUnfolderBase]: For 235/235 co-relation queries the response was YES. [2024-10-13 07:04:11,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24683 conditions, 13989 events. 7193/13989 cut-off events. For 235/235 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 112147 event pairs, 6080 based on Foata normal form. 2354/14295 useless extension candidates. Maximal degree in co-relation 23590. Up to 10560 conditions per place. [2024-10-13 07:04:11,795 INFO L140 encePairwiseOnDemand]: 92/117 looper letters, 66 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2024-10-13 07:04:11,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 98 transitions, 352 flow [2024-10-13 07:04:11,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 07:04:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 07:04:11,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2024-10-13 07:04:11,805 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5156695156695157 [2024-10-13 07:04:11,806 INFO L175 Difference]: Start difference. First operand has 88 places, 117 transitions, 254 flow. Second operand 3 states and 181 transitions. [2024-10-13 07:04:11,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 98 transitions, 352 flow [2024-10-13 07:04:11,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 98 transitions, 352 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 07:04:11,815 INFO L231 Difference]: Finished difference. Result has 91 places, 96 transitions, 222 flow [2024-10-13 07:04:11,817 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=91, PETRI_TRANSITIONS=96} [2024-10-13 07:04:11,819 INFO L277 CegarLoopForPetriNet]: 88 programPoint places, 3 predicate places. [2024-10-13 07:04:11,820 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 96 transitions, 222 flow [2024-10-13 07:04:11,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2024-10-13 07:04:11,820 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 07:04:11,820 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:04:11,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 07:04:11,820 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 07:04:11,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:04:11,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1965663388, now seen corresponding path program 1 times [2024-10-13 07:04:11,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:04:11,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489018538] [2024-10-13 07:04:11,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:04:11,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:04:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:04:11,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 07:04:11,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:04:11,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489018538] [2024-10-13 07:04:11,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489018538] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:04:11,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:04:11,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 07:04:11,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918255488] [2024-10-13 07:04:11,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:04:11,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 07:04:11,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:04:11,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 07:04:11,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 07:04:11,910 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 117 [2024-10-13 07:04:11,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 96 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2024-10-13 07:04:11,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 07:04:11,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 117 [2024-10-13 07:04:11,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 07:04:12,937 INFO L124 PetriNetUnfolderBase]: 7193/13991 cut-off events. [2024-10-13 07:04:12,937 INFO L125 PetriNetUnfolderBase]: For 235/235 co-relation queries the response was YES. [2024-10-13 07:04:12,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24694 conditions, 13991 events. 7193/13991 cut-off events. For 235/235 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 112149 event pairs, 6080 based on Foata normal form. 2/11948 useless extension candidates. Maximal degree in co-relation 24675. Up to 10563 conditions per place. [2024-10-13 07:04:13,006 INFO L140 encePairwiseOnDemand]: 114/117 looper letters, 65 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-10-13 07:04:13,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 97 transitions, 358 flow [2024-10-13 07:04:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 07:04:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 07:04:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2024-10-13 07:04:13,009 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4472934472934473 [2024-10-13 07:04:13,009 INFO L175 Difference]: Start difference. First operand has 91 places, 96 transitions, 222 flow. Second operand 3 states and 157 transitions. [2024-10-13 07:04:13,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 97 transitions, 358 flow [2024-10-13 07:04:13,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 97 transitions, 356 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 07:04:13,012 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 234 flow [2024-10-13 07:04:13,012 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=93, PETRI_TRANSITIONS=97} [2024-10-13 07:04:13,013 INFO L277 CegarLoopForPetriNet]: 88 programPoint places, 5 predicate places. [2024-10-13 07:04:13,013 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 234 flow [2024-10-13 07:04:13,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2024-10-13 07:04:13,013 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 07:04:13,014 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:04:13,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 07:04:13,014 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 07:04:13,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:04:13,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1409034290, now seen corresponding path program 1 times [2024-10-13 07:04:13,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:04:13,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130296165] [2024-10-13 07:04:13,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:04:13,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:04:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:04:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 07:04:13,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:04:13,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130296165] [2024-10-13 07:04:13,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130296165] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:04:13,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816807494] [2024-10-13 07:04:13,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:04:13,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:04:13,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:04:13,150 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) [2024-10-13 07:04:13,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 07:04:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:04:13,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 07:04:13,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:04:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 07:04:13,336 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 07:04:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 07:04:13,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816807494] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 07:04:13,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 07:04:13,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-13 07:04:13,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34552036] [2024-10-13 07:04:13,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 07:04:13,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 07:04:13,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:04:13,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 07:04:13,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 07:04:13,355 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 117 [2024-10-13 07:04:13,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 97 transitions, 234 flow. Second operand has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 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) [2024-10-13 07:04:13,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 07:04:13,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 117 [2024-10-13 07:04:13,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 07:04:14,719 INFO L124 PetriNetUnfolderBase]: 7193/13997 cut-off events. [2024-10-13 07:04:14,720 INFO L125 PetriNetUnfolderBase]: For 236/236 co-relation queries the response was YES. [2024-10-13 07:04:14,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24722 conditions, 13997 events. 7193/13997 cut-off events. For 236/236 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 112223 event pairs, 6080 based on Foata normal form. 6/11958 useless extension candidates. Maximal degree in co-relation 24682. Up to 10563 conditions per place. [2024-10-13 07:04:14,759 INFO L140 encePairwiseOnDemand]: 114/117 looper letters, 65 selfloop transitions, 5 changer transitions 0/100 dead transitions. [2024-10-13 07:04:14,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 100 transitions, 386 flow [2024-10-13 07:04:14,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 07:04:14,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 07:04:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 252 transitions. [2024-10-13 07:04:14,763 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.358974358974359 [2024-10-13 07:04:14,763 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 234 flow. Second operand 6 states and 252 transitions. [2024-10-13 07:04:14,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 100 transitions, 386 flow [2024-10-13 07:04:14,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 100 transitions, 382 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-10-13 07:04:14,766 INFO L231 Difference]: Finished difference. Result has 100 places, 100 transitions, 272 flow [2024-10-13 07:04:14,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=272, PETRI_PLACES=100, PETRI_TRANSITIONS=100} [2024-10-13 07:04:14,767 INFO L277 CegarLoopForPetriNet]: 88 programPoint places, 12 predicate places. [2024-10-13 07:04:14,767 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 100 transitions, 272 flow [2024-10-13 07:04:14,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 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) [2024-10-13 07:04:14,767 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 07:04:14,767 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:04:14,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 07:04:14,971 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 [2024-10-13 07:04:14,972 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 07:04:14,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:04:14,972 INFO L85 PathProgramCache]: Analyzing trace with hash -679945700, now seen corresponding path program 2 times [2024-10-13 07:04:14,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:04:14,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588285768] [2024-10-13 07:04:14,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:04:14,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:04:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:04:15,141 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 07:04:15,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:04:15,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588285768] [2024-10-13 07:04:15,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588285768] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:04:15,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106952594] [2024-10-13 07:04:15,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 07:04:15,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:04:15,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:04:15,147 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) [2024-10-13 07:04:15,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 07:04:15,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 07:04:15,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 07:04:15,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 07:04:15,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:04:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 07:04:15,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 07:04:15,428 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 07:04:15,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106952594] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 07:04:15,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 07:04:15,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-10-13 07:04:15,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841292544] [2024-10-13 07:04:15,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 07:04:15,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 07:04:15,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:04:15,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 07:04:15,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-10-13 07:04:15,431 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 117 [2024-10-13 07:04:15,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 100 transitions, 272 flow. Second operand has 14 states, 14 states have (on average 31.571428571428573) internal successors, (442), 14 states have internal predecessors, (442), 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) [2024-10-13 07:04:15,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 07:04:15,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 117 [2024-10-13 07:04:15,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 07:04:17,589 INFO L124 PetriNetUnfolderBase]: 7194/14022 cut-off events. [2024-10-13 07:04:17,590 INFO L125 PetriNetUnfolderBase]: For 356/356 co-relation queries the response was YES. [2024-10-13 07:04:17,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24850 conditions, 14022 events. 7194/14022 cut-off events. For 356/356 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 112316 event pairs, 6080 based on Foata normal form. 19/11996 useless extension candidates. Maximal degree in co-relation 24678. Up to 10560 conditions per place. [2024-10-13 07:04:17,640 INFO L140 encePairwiseOnDemand]: 112/117 looper letters, 65 selfloop transitions, 36 changer transitions 0/131 dead transitions. [2024-10-13 07:04:17,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 131 transitions, 674 flow [2024-10-13 07:04:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-13 07:04:17,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2024-10-13 07:04:17,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 1140 transitions. [2024-10-13 07:04:17,644 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2865761689291101 [2024-10-13 07:04:17,644 INFO L175 Difference]: Start difference. First operand has 100 places, 100 transitions, 272 flow. Second operand 34 states and 1140 transitions. [2024-10-13 07:04:17,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 131 transitions, 674 flow [2024-10-13 07:04:17,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 131 transitions, 632 flow, removed 18 selfloop flow, removed 1 redundant places. [2024-10-13 07:04:17,648 INFO L231 Difference]: Finished difference. Result has 145 places, 131 transitions, 564 flow [2024-10-13 07:04:17,648 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=564, PETRI_PLACES=145, PETRI_TRANSITIONS=131} [2024-10-13 07:04:17,649 INFO L277 CegarLoopForPetriNet]: 88 programPoint places, 57 predicate places. [2024-10-13 07:04:17,649 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 131 transitions, 564 flow [2024-10-13 07:04:17,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 31.571428571428573) internal successors, (442), 14 states have internal predecessors, (442), 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) [2024-10-13 07:04:17,650 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 07:04:17,650 INFO L204 CegarLoopForPetriNet]: trace histogram [20, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-13 07:04:17,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 07:04:17,850 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 [2024-10-13 07:04:17,851 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-13 07:04:17,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:04:17,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1998607079, now seen corresponding path program 3 times [2024-10-13 07:04:17,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:04:17,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78179975] [2024-10-13 07:04:17,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:04:17,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:04:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:04:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-10-13 07:04:18,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:04:18,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78179975] [2024-10-13 07:04:18,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78179975] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:04:18,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978852826] [2024-10-13 07:04:18,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 07:04:18,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:04:18,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:04:18,881 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) [2024-10-13 07:04:18,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process