./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_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-?-c7c6ca5-m [2024-11-09 02:38:18,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:38:18,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 02:38:18,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:38:18,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:38:18,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:38:18,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:38:18,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:38:18,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:38:18,944 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:38:18,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:38:18,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:38:18,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:38:18,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:38:18,945 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:38:18,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:38:18,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:38:18,946 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 02:38:18,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:38:18,947 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 02:38:18,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:38:18,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:38:18,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:38:18,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:38:18,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:38:18,949 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 02:38:18,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:38:18,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:38:18,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:38:18,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:38:18,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:38:18,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:38:18,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:38:18,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:38:18,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:38:18,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:38:18,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:38:18,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:38:18,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:38:18,954 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:38:18,954 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:38:18,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:38:18,955 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2024-11-09 02:38:19,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:38:19,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:38:19,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:38:19,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:38:19,206 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:38:19,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-11-09 02:38:20,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:38:21,055 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:38:21,055 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-11-09 02:38:21,077 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0ecf82d/6dd524cb7d914c16aa4019e4b8cc7dbd/FLAG380a4449f [2024-11-09 02:38:21,092 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0ecf82d/6dd524cb7d914c16aa4019e4b8cc7dbd [2024-11-09 02:38:21,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:38:21,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:38:21,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:38:21,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:38:21,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:38:21,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:21,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e31f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21, skipping insertion in model container [2024-11-09 02:38:21,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:21,145 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:38:21,628 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_90-arrayloop2_racing.i[47038,47051] [2024-11-09 02:38:21,644 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 02:38:21,644 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 02:38:21,645 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 02:38:21,646 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 02:38:21,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:38:21,738 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:38:21,788 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_90-arrayloop2_racing.i[47038,47051] [2024-11-09 02:38:21,794 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 02:38:21,798 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 02:38:21,798 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 02:38:21,799 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 02:38:21,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:38:21,874 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:38:21,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21 WrapperNode [2024-11-09 02:38:21,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:38:21,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:38:21,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:38:21,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:38:21,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:21,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:21,936 INFO L138 Inliner]: procedures = 280, calls = 142, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 394 [2024-11-09 02:38:21,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:38:21,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:38:21,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:38:21,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:38:21,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:21,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:21,960 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:21,992 INFO L175 MemorySlicer]: Split 105 memory accesses to 5 slices as follows [2, 5, 2, 94, 2]. 90 percent of accesses are in the largest equivalence class. The 77 initializations are split as follows [2, 5, 0, 70, 0]. The 15 writes are split as follows [0, 0, 1, 13, 1]. [2024-11-09 02:38:21,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:21,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:22,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:22,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:22,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:22,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:22,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:38:22,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:38:22,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:38:22,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:38:22,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (1/1) ... [2024-11-09 02:38:22,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:38:22,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:38:22,053 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) [2024-11-09 02:38:22,054 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 [2024-11-09 02:38:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 02:38:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 02:38:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 02:38:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 02:38:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 02:38:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 02:38:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-11-09 02:38:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-11-09 02:38:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 02:38:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 02:38:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 02:38:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 02:38:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 02:38:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 02:38:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 02:38:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:38:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:38:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 02:38:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 02:38:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 02:38:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-09 02:38:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-09 02:38:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:38:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:38:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 02:38:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 02:38:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 02:38:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 02:38:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 02:38:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:38:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 02:38:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 02:38:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 02:38:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 02:38:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 02:38:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:38:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:38:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 02:38:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 02:38:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 02:38:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:38:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:38:22,110 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 02:38:22,266 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:38:22,269 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:38:22,719 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 02:38:22,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:38:23,186 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:38:23,186 INFO L316 CfgBuilder]: Removed 30 assume(true) statements. [2024-11-09 02:38:23,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:38:23 BoogieIcfgContainer [2024-11-09 02:38:23,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:38:23,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:38:23,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:38:23,192 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:38:23,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:38:21" (1/3) ... [2024-11-09 02:38:23,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a833bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:38:23, skipping insertion in model container [2024-11-09 02:38:23,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:38:21" (2/3) ... [2024-11-09 02:38:23,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a833bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:38:23, skipping insertion in model container [2024-11-09 02:38:23,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:38:23" (3/3) ... [2024-11-09 02:38:23,194 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2024-11-09 02:38:23,207 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:38:23,207 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 02:38:23,207 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 02:38:23,293 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-09 02:38:23,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 88 places, 117 transitions, 254 flow [2024-11-09 02:38:23,399 INFO L124 PetriNetUnfolderBase]: 52/194 cut-off events. [2024-11-09 02:38:23,400 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-09 02:38:23,407 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. [2024-11-09 02:38:23,407 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 117 transitions, 254 flow [2024-11-09 02:38:23,413 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 117 transitions, 254 flow [2024-11-09 02:38:23,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:38:23,428 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;@648d0f22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:38:23,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-09 02:38:23,437 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 02:38:23,437 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-09 02:38:23,437 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 02:38:23,437 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:38:23,439 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2024-11-09 02:38:23,440 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 02:38:23,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:38:23,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1312870823, now seen corresponding path program 1 times [2024-11-09 02:38:23,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:38:23,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622974720] [2024-11-09 02:38:23,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:38:23,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:38:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:38:23,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 02:38:23,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:38:23,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622974720] [2024-11-09 02:38:23,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622974720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:38:23,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:38:23,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 02:38:23,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035733736] [2024-11-09 02:38:23,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:38:23,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 02:38:23,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:38:23,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 02:38:23,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 02:38:23,909 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 117 [2024-11-09 02:38:23,912 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) [2024-11-09 02:38:23,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:38:23,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 117 [2024-11-09 02:38:23,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:38:25,611 INFO L124 PetriNetUnfolderBase]: 7193/13989 cut-off events. [2024-11-09 02:38:25,612 INFO L125 PetriNetUnfolderBase]: For 235/235 co-relation queries the response was YES. [2024-11-09 02:38:25,636 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 112185 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. [2024-11-09 02:38:25,698 INFO L140 encePairwiseOnDemand]: 92/117 looper letters, 66 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2024-11-09 02:38:25,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 98 transitions, 352 flow [2024-11-09 02:38:25,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 02:38:25,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 02:38:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2024-11-09 02:38:25,709 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5156695156695157 [2024-11-09 02:38:25,710 INFO L175 Difference]: Start difference. First operand has 88 places, 117 transitions, 254 flow. Second operand 3 states and 181 transitions. [2024-11-09 02:38:25,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 98 transitions, 352 flow [2024-11-09 02:38:25,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 98 transitions, 352 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 02:38:25,718 INFO L231 Difference]: Finished difference. Result has 91 places, 96 transitions, 222 flow [2024-11-09 02:38:25,719 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} [2024-11-09 02:38:25,722 INFO L277 CegarLoopForPetriNet]: 88 programPoint places, 3 predicate places. [2024-11-09 02:38:25,723 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 96 transitions, 222 flow [2024-11-09 02:38:25,723 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) [2024-11-09 02:38:25,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:38:25,723 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:38:25,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 02:38:25,724 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 02:38:25,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:38:25,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1933795620, now seen corresponding path program 1 times [2024-11-09 02:38:25,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:38:25,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330386444] [2024-11-09 02:38:25,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:38:25,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:38:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:38:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 02:38:25,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:38:25,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330386444] [2024-11-09 02:38:25,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330386444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:38:25,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:38:25,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 02:38:25,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084815798] [2024-11-09 02:38:25,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:38:25,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 02:38:25,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:38:25,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 02:38:25,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 02:38:25,791 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 117 [2024-11-09 02:38:25,792 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) [2024-11-09 02:38:25,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:38:25,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 117 [2024-11-09 02:38:25,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:38:27,146 INFO L124 PetriNetUnfolderBase]: 7193/13991 cut-off events. [2024-11-09 02:38:27,148 INFO L125 PetriNetUnfolderBase]: For 235/235 co-relation queries the response was YES. [2024-11-09 02:38:27,210 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 112173 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. [2024-11-09 02:38:27,260 INFO L140 encePairwiseOnDemand]: 114/117 looper letters, 65 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-11-09 02:38:27,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 97 transitions, 358 flow [2024-11-09 02:38:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 02:38:27,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 02:38:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2024-11-09 02:38:27,262 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4472934472934473 [2024-11-09 02:38:27,262 INFO L175 Difference]: Start difference. First operand has 91 places, 96 transitions, 222 flow. Second operand 3 states and 157 transitions. [2024-11-09 02:38:27,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 97 transitions, 358 flow [2024-11-09 02:38:27,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 97 transitions, 356 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 02:38:27,265 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 234 flow [2024-11-09 02:38:27,265 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} [2024-11-09 02:38:27,266 INFO L277 CegarLoopForPetriNet]: 88 programPoint places, 5 predicate places. [2024-11-09 02:38:27,266 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 234 flow [2024-11-09 02:38:27,266 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) [2024-11-09 02:38:27,266 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:38:27,267 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:38:27,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 02:38:27,267 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 02:38:27,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:38:27,268 INFO L85 PathProgramCache]: Analyzing trace with hash 421133618, now seen corresponding path program 1 times [2024-11-09 02:38:27,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:38:27,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552745960] [2024-11-09 02:38:27,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:38:27,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:38:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:38:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 02:38:27,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:38:27,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552745960] [2024-11-09 02:38:27,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552745960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:38:27,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745089601] [2024-11-09 02:38:27,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:38:27,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:38:27,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:38:27,425 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) [2024-11-09 02:38:27,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 02:38:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:38:27,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 02:38:27,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:38:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 02:38:27,748 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 02:38:27,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 02:38:27,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745089601] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 02:38:27,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 02:38:27,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-09 02:38:27,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093338230] [2024-11-09 02:38:27,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 02:38:27,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 02:38:27,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:38:27,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 02:38:27,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:38:27,772 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 117 [2024-11-09 02:38:27,773 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) [2024-11-09 02:38:27,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:38:27,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 117 [2024-11-09 02:38:27,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:38:29,403 INFO L124 PetriNetUnfolderBase]: 7193/13997 cut-off events. [2024-11-09 02:38:29,404 INFO L125 PetriNetUnfolderBase]: For 236/236 co-relation queries the response was YES. [2024-11-09 02:38:29,419 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 112259 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. [2024-11-09 02:38:29,448 INFO L140 encePairwiseOnDemand]: 114/117 looper letters, 65 selfloop transitions, 5 changer transitions 0/100 dead transitions. [2024-11-09 02:38:29,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 100 transitions, 386 flow [2024-11-09 02:38:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:38:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 02:38:29,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 252 transitions. [2024-11-09 02:38:29,450 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.358974358974359 [2024-11-09 02:38:29,450 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 234 flow. Second operand 6 states and 252 transitions. [2024-11-09 02:38:29,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 100 transitions, 386 flow [2024-11-09 02:38:29,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 100 transitions, 382 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-09 02:38:29,453 INFO L231 Difference]: Finished difference. Result has 100 places, 100 transitions, 272 flow [2024-11-09 02:38:29,454 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} [2024-11-09 02:38:29,454 INFO L277 CegarLoopForPetriNet]: 88 programPoint places, 12 predicate places. [2024-11-09 02:38:29,454 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 100 transitions, 272 flow [2024-11-09 02:38:29,455 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) [2024-11-09 02:38:29,455 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:38:29,455 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:38:29,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 02:38:29,655 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 [2024-11-09 02:38:29,656 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 02:38:29,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:38:29,657 INFO L85 PathProgramCache]: Analyzing trace with hash -2112818012, now seen corresponding path program 2 times [2024-11-09 02:38:29,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:38:29,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172668998] [2024-11-09 02:38:29,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:38:29,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:38:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:38:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 02:38:29,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:38:29,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172668998] [2024-11-09 02:38:29,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172668998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:38:29,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273692562] [2024-11-09 02:38:29,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 02:38:29,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:38:29,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:38:29,852 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) [2024-11-09 02:38:29,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 02:38:30,111 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 02:38:30,111 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 02:38:30,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 02:38:30,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:38:30,165 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 02:38:30,166 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 02:38:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 02:38:30,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273692562] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 02:38:30,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 02:38:30,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-11-09 02:38:30,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18243367] [2024-11-09 02:38:30,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 02:38:30,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 02:38:30,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:38:30,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 02:38:30,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-09 02:38:30,243 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 117 [2024-11-09 02:38:30,244 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) [2024-11-09 02:38:30,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 02:38:30,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 117 [2024-11-09 02:38:30,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 02:38:32,582 INFO L124 PetriNetUnfolderBase]: 7194/14022 cut-off events. [2024-11-09 02:38:32,583 INFO L125 PetriNetUnfolderBase]: For 356/356 co-relation queries the response was YES. [2024-11-09 02:38:32,614 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 112334 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. [2024-11-09 02:38:32,658 INFO L140 encePairwiseOnDemand]: 112/117 looper letters, 65 selfloop transitions, 36 changer transitions 0/131 dead transitions. [2024-11-09 02:38:32,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 131 transitions, 674 flow [2024-11-09 02:38:32,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-09 02:38:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2024-11-09 02:38:32,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 1140 transitions. [2024-11-09 02:38:32,662 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2865761689291101 [2024-11-09 02:38:32,662 INFO L175 Difference]: Start difference. First operand has 100 places, 100 transitions, 272 flow. Second operand 34 states and 1140 transitions. [2024-11-09 02:38:32,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 131 transitions, 674 flow [2024-11-09 02:38:32,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 131 transitions, 632 flow, removed 18 selfloop flow, removed 1 redundant places. [2024-11-09 02:38:32,666 INFO L231 Difference]: Finished difference. Result has 145 places, 131 transitions, 564 flow [2024-11-09 02:38:32,667 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} [2024-11-09 02:38:32,667 INFO L277 CegarLoopForPetriNet]: 88 programPoint places, 57 predicate places. [2024-11-09 02:38:32,667 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 131 transitions, 564 flow [2024-11-09 02:38:32,668 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) [2024-11-09 02:38:32,668 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 02:38:32,668 INFO L204 CegarLoopForPetriNet]: trace histogram [20, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 02:38:32,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 02:38:32,868 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 [2024-11-09 02:38:32,869 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-09 02:38:32,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:38:32,869 INFO L85 PathProgramCache]: Analyzing trace with hash -803156319, now seen corresponding path program 3 times [2024-11-09 02:38:32,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:38:32,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696161258] [2024-11-09 02:38:32,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:38:32,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:38:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:38:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-09 02:38:34,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:38:34,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696161258] [2024-11-09 02:38:34,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696161258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:38:34,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335439873] [2024-11-09 02:38:34,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 02:38:34,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:38:34,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:38:34,098 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) [2024-11-09 02:38:34,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process