./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de 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 ../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.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 8389c73a3873efed3be614e3a02a2457c4db9f1b1dfabf64c87229b49920fe65 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 16:21:43,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 16:21:43,977 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 16:21:43,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 16:21:43,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 16:21:43,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 16:21:43,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 16:21:43,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 16:21:43,995 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 16:21:43,995 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 16:21:43,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 16:21:43,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 16:21:43,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 16:21:43,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 16:21:43,997 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 16:21:43,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 16:21:43,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 16:21:43,998 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 16:21:43,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 16:21:43,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 16:21:43,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 16:21:43,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 16:21:43,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 16:21:43,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 16:21:43,999 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 16:21:43,999 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 16:21:44,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 16:21:44,000 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 16:21:44,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 16:21:44,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 16:21:44,000 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 16:21:44,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 16:21:44,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 16:21:44,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 16:21:44,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 16:21:44,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 16:21:44,002 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 16:21:44,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 16:21:44,002 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 16:21:44,002 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 16:21:44,002 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 16:21:44,003 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 16:21:44,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 16:21:44,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8389c73a3873efed3be614e3a02a2457c4db9f1b1dfabf64c87229b49920fe65 [2024-06-27 16:21:44,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 16:21:44,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 16:21:44,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 16:21:44,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 16:21:44,230 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 16:21:44,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-06-27 16:21:45,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 16:21:45,430 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 16:21:45,431 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-06-27 16:21:45,455 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/743a1c889/0f2f48a74fb448ef8b6b9922b20349c2/FLAGc3f984249 [2024-06-27 16:21:45,753 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/743a1c889/0f2f48a74fb448ef8b6b9922b20349c2 [2024-06-27 16:21:45,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 16:21:45,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-06-27 16:21:45,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 16:21:45,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 16:21:45,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 16:21:45,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:21:45" (1/1) ... [2024-06-27 16:21:45,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e86148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:45, skipping insertion in model container [2024-06-27 16:21:45,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:21:45" (1/1) ... [2024-06-27 16:21:45,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 16:21:46,091 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] [2024-06-27 16:21:46,098 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] [2024-06-27 16:21:46,108 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] [2024-06-27 16:21:46,112 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2024-06-27 16:21:46,115 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] [2024-06-27 16:21:46,125 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] [2024-06-27 16:21:46,127 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2024-06-27 16:21:46,129 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2024-06-27 16:21:46,131 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2024-06-27 16:21:46,132 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] [2024-06-27 16:21:46,135 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] [2024-06-27 16:21:46,146 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:21:46,163 INFO L202 MainTranslator]: Completed pre-run [2024-06-27 16:21:46,187 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] [2024-06-27 16:21:46,189 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] [2024-06-27 16:21:46,191 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] [2024-06-27 16:21:46,196 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2024-06-27 16:21:46,196 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] [2024-06-27 16:21:46,198 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] [2024-06-27 16:21:46,198 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2024-06-27 16:21:46,199 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2024-06-27 16:21:46,200 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2024-06-27 16:21:46,200 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] [2024-06-27 16:21:46,201 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] [2024-06-27 16:21:46,206 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:21:46,240 INFO L206 MainTranslator]: Completed translation [2024-06-27 16:21:46,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46 WrapperNode [2024-06-27 16:21:46,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 16:21:46,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 16:21:46,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 16:21:46,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 16:21:46,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (1/1) ... [2024-06-27 16:21:46,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (1/1) ... [2024-06-27 16:21:46,285 INFO L138 Inliner]: procedures = 173, calls = 51, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 361 [2024-06-27 16:21:46,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 16:21:46,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 16:21:46,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 16:21:46,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 16:21:46,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (1/1) ... [2024-06-27 16:21:46,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (1/1) ... [2024-06-27 16:21:46,298 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (1/1) ... [2024-06-27 16:21:46,309 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-06-27 16:21:46,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (1/1) ... [2024-06-27 16:21:46,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (1/1) ... [2024-06-27 16:21:46,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (1/1) ... [2024-06-27 16:21:46,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (1/1) ... [2024-06-27 16:21:46,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (1/1) ... [2024-06-27 16:21:46,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (1/1) ... [2024-06-27 16:21:46,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 16:21:46,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 16:21:46,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 16:21:46,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 16:21:46,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (1/1) ... [2024-06-27 16:21:46,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 16:21:46,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 16:21:46,365 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) [2024-06-27 16:21:46,377 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 [2024-06-27 16:21:46,417 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-06-27 16:21:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-06-27 16:21:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-27 16:21:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 16:21:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 16:21:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-27 16:21:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-27 16:21:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 16:21:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 16:21:46,420 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 16:21:46,520 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 16:21:46,522 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 16:21:46,864 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 16:21:46,865 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 16:21:47,005 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 16:21:47,006 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-06-27 16:21:47,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 04:21:47 BoogieIcfgContainer [2024-06-27 16:21:47,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 16:21:47,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 16:21:47,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 16:21:47,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 16:21:47,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 04:21:45" (1/3) ... [2024-06-27 16:21:47,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554c693e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 04:21:47, skipping insertion in model container [2024-06-27 16:21:47,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:21:46" (2/3) ... [2024-06-27 16:21:47,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554c693e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 04:21:47, skipping insertion in model container [2024-06-27 16:21:47,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 04:21:47" (3/3) ... [2024-06-27 16:21:47,014 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced-pthread.i [2024-06-27 16:21:47,022 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-06-27 16:21:47,029 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 16:21:47,030 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-06-27 16:21:47,030 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 16:21:47,103 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 16:21:47,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 165 transitions, 334 flow [2024-06-27 16:21:47,182 INFO L124 PetriNetUnfolderBase]: 37/167 cut-off events. [2024-06-27 16:21:47,182 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 16:21:47,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 167 events. 37/167 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 729 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 162. Up to 10 conditions per place. [2024-06-27 16:21:47,186 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 165 transitions, 334 flow [2024-06-27 16:21:47,190 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 165 transitions, 334 flow [2024-06-27 16:21:47,197 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 16:21:47,204 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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;@5e9bb203, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 16:21:47,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-06-27 16:21:47,235 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 16:21:47,235 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2024-06-27 16:21:47,235 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 16:21:47,235 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 16:21:47,236 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2024-06-27 16:21:47,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err6ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-06-27 16:21:47,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 16:21:47,240 INFO L85 PathProgramCache]: Analyzing trace with hash 856026973, now seen corresponding path program 1 times [2024-06-27 16:21:47,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 16:21:47,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913595643] [2024-06-27 16:21:47,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 16:21:47,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 16:21:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-06-27 16:21:47,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-06-27 16:21:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-06-27 16:21:47,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-06-27 16:21:47,382 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-06-27 16:21:47,382 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 23 remaining) [2024-06-27 16:21:47,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (21 of 23 remaining) [2024-06-27 16:21:47,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 23 remaining) [2024-06-27 16:21:47,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 23 remaining) [2024-06-27 16:21:47,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (18 of 23 remaining) [2024-06-27 16:21:47,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (17 of 23 remaining) [2024-06-27 16:21:47,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (16 of 23 remaining) [2024-06-27 16:21:47,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (15 of 23 remaining) [2024-06-27 16:21:47,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (14 of 23 remaining) [2024-06-27 16:21:47,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (13 of 23 remaining) [2024-06-27 16:21:47,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (12 of 23 remaining) [2024-06-27 16:21:47,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (11 of 23 remaining) [2024-06-27 16:21:47,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (10 of 23 remaining) [2024-06-27 16:21:47,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 23 remaining) [2024-06-27 16:21:47,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (8 of 23 remaining) [2024-06-27 16:21:47,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 23 remaining) [2024-06-27 16:21:47,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (6 of 23 remaining) [2024-06-27 16:21:47,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 23 remaining) [2024-06-27 16:21:47,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (4 of 23 remaining) [2024-06-27 16:21:47,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (3 of 23 remaining) [2024-06-27 16:21:47,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (2 of 23 remaining) [2024-06-27 16:21:47,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (1 of 23 remaining) [2024-06-27 16:21:47,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (0 of 23 remaining) [2024-06-27 16:21:47,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 16:21:47,391 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-27 16:21:47,397 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-06-27 16:21:47,397 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-06-27 16:21:47,463 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 16:21:47,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 257 places, 326 transitions, 662 flow [2024-06-27 16:21:47,528 INFO L124 PetriNetUnfolderBase]: 74/330 cut-off events. [2024-06-27 16:21:47,529 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-27 16:21:47,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 330 events. 74/330 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1889 event pairs, 0 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 322. Up to 10 conditions per place. [2024-06-27 16:21:47,539 INFO L82 GeneralOperation]: Start removeDead. Operand has 257 places, 326 transitions, 662 flow [2024-06-27 16:21:47,546 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 257 places, 326 transitions, 662 flow [2024-06-27 16:21:47,551 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 16:21:47,552 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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;@5e9bb203, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 16:21:47,552 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-06-27 16:21:47,559 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 16:21:47,559 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-06-27 16:21:47,559 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-27 16:21:47,559 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 16:21:47,559 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1] [2024-06-27 16:21:47,560 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err6ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-06-27 16:21:47,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 16:21:47,560 INFO L85 PathProgramCache]: Analyzing trace with hash 773814260, now seen corresponding path program 1 times [2024-06-27 16:21:47,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 16:21:47,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949161357] [2024-06-27 16:21:47,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 16:21:47,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 16:21:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-06-27 16:21:47,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-06-27 16:21:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-06-27 16:21:47,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-06-27 16:21:47,625 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-06-27 16:21:47,625 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 34 remaining) [2024-06-27 16:21:47,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (32 of 34 remaining) [2024-06-27 16:21:47,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 34 remaining) [2024-06-27 16:21:47,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (30 of 34 remaining) [2024-06-27 16:21:47,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (29 of 34 remaining) [2024-06-27 16:21:47,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (28 of 34 remaining) [2024-06-27 16:21:47,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (27 of 34 remaining) [2024-06-27 16:21:47,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (26 of 34 remaining) [2024-06-27 16:21:47,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (25 of 34 remaining) [2024-06-27 16:21:47,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (24 of 34 remaining) [2024-06-27 16:21:47,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (23 of 34 remaining) [2024-06-27 16:21:47,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (22 of 34 remaining) [2024-06-27 16:21:47,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (21 of 34 remaining) [2024-06-27 16:21:47,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 34 remaining) [2024-06-27 16:21:47,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 34 remaining) [2024-06-27 16:21:47,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (18 of 34 remaining) [2024-06-27 16:21:47,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (17 of 34 remaining) [2024-06-27 16:21:47,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (16 of 34 remaining) [2024-06-27 16:21:47,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (15 of 34 remaining) [2024-06-27 16:21:47,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (14 of 34 remaining) [2024-06-27 16:21:47,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (13 of 34 remaining) [2024-06-27 16:21:47,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (12 of 34 remaining) [2024-06-27 16:21:47,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (11 of 34 remaining) [2024-06-27 16:21:47,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (10 of 34 remaining) [2024-06-27 16:21:47,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 34 remaining) [2024-06-27 16:21:47,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (8 of 34 remaining) [2024-06-27 16:21:47,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 34 remaining) [2024-06-27 16:21:47,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (6 of 34 remaining) [2024-06-27 16:21:47,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 34 remaining) [2024-06-27 16:21:47,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (4 of 34 remaining) [2024-06-27 16:21:47,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (3 of 34 remaining) [2024-06-27 16:21:47,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (2 of 34 remaining) [2024-06-27 16:21:47,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (1 of 34 remaining) [2024-06-27 16:21:47,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (0 of 34 remaining) [2024-06-27 16:21:47,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 16:21:47,629 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-27 16:21:47,629 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-06-27 16:21:47,629 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-06-27 16:21:47,697 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 16:21:47,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 383 places, 487 transitions, 992 flow [2024-06-27 16:21:47,793 INFO L124 PetriNetUnfolderBase]: 111/493 cut-off events. [2024-06-27 16:21:47,794 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-06-27 16:21:47,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 493 events. 111/493 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3170 event pairs, 0 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 482. Up to 10 conditions per place. [2024-06-27 16:21:47,802 INFO L82 GeneralOperation]: Start removeDead. Operand has 383 places, 487 transitions, 992 flow [2024-06-27 16:21:47,812 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 383 places, 487 transitions, 992 flow [2024-06-27 16:21:47,814 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 16:21:47,818 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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;@5e9bb203, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 16:21:47,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2024-06-27 16:21:47,823 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 16:21:47,823 INFO L124 PetriNetUnfolderBase]: 1/37 cut-off events. [2024-06-27 16:21:47,823 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-06-27 16:21:47,823 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 16:21:47,823 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1] [2024-06-27 16:21:47,824 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err6ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 41 more)] === [2024-06-27 16:21:47,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 16:21:47,824 INFO L85 PathProgramCache]: Analyzing trace with hash -451290131, now seen corresponding path program 1 times [2024-06-27 16:21:47,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 16:21:47,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595935662] [2024-06-27 16:21:47,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 16:21:47,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 16:21:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-06-27 16:21:47,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-06-27 16:21:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-06-27 16:21:47,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-06-27 16:21:47,885 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-06-27 16:21:47,886 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 45 remaining) [2024-06-27 16:21:47,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (43 of 45 remaining) [2024-06-27 16:21:47,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (42 of 45 remaining) [2024-06-27 16:21:47,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (41 of 45 remaining) [2024-06-27 16:21:47,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (40 of 45 remaining) [2024-06-27 16:21:47,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (39 of 45 remaining) [2024-06-27 16:21:47,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (38 of 45 remaining) [2024-06-27 16:21:47,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (37 of 45 remaining) [2024-06-27 16:21:47,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (36 of 45 remaining) [2024-06-27 16:21:47,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (35 of 45 remaining) [2024-06-27 16:21:47,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (34 of 45 remaining) [2024-06-27 16:21:47,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (33 of 45 remaining) [2024-06-27 16:21:47,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (32 of 45 remaining) [2024-06-27 16:21:47,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 45 remaining) [2024-06-27 16:21:47,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (30 of 45 remaining) [2024-06-27 16:21:47,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (29 of 45 remaining) [2024-06-27 16:21:47,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (28 of 45 remaining) [2024-06-27 16:21:47,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (27 of 45 remaining) [2024-06-27 16:21:47,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (26 of 45 remaining) [2024-06-27 16:21:47,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (25 of 45 remaining) [2024-06-27 16:21:47,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (24 of 45 remaining) [2024-06-27 16:21:47,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (23 of 45 remaining) [2024-06-27 16:21:47,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (22 of 45 remaining) [2024-06-27 16:21:47,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (21 of 45 remaining) [2024-06-27 16:21:47,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 45 remaining) [2024-06-27 16:21:47,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 45 remaining) [2024-06-27 16:21:47,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (18 of 45 remaining) [2024-06-27 16:21:47,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (17 of 45 remaining) [2024-06-27 16:21:47,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (16 of 45 remaining) [2024-06-27 16:21:47,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (15 of 45 remaining) [2024-06-27 16:21:47,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (14 of 45 remaining) [2024-06-27 16:21:47,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (13 of 45 remaining) [2024-06-27 16:21:47,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (12 of 45 remaining) [2024-06-27 16:21:47,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (11 of 45 remaining) [2024-06-27 16:21:47,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (10 of 45 remaining) [2024-06-27 16:21:47,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 45 remaining) [2024-06-27 16:21:47,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (8 of 45 remaining) [2024-06-27 16:21:47,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 45 remaining) [2024-06-27 16:21:47,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (6 of 45 remaining) [2024-06-27 16:21:47,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 45 remaining) [2024-06-27 16:21:47,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (4 of 45 remaining) [2024-06-27 16:21:47,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (3 of 45 remaining) [2024-06-27 16:21:47,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (2 of 45 remaining) [2024-06-27 16:21:47,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (1 of 45 remaining) [2024-06-27 16:21:47,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (0 of 45 remaining) [2024-06-27 16:21:47,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-27 16:21:47,897 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-27 16:21:47,898 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-06-27 16:21:47,898 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-06-27 16:21:47,964 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 16:21:47,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 509 places, 648 transitions, 1324 flow [2024-06-27 16:21:48,118 INFO L124 PetriNetUnfolderBase]: 148/656 cut-off events. [2024-06-27 16:21:48,119 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-06-27 16:21:48,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 675 conditions, 656 events. 148/656 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4577 event pairs, 0 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 642. Up to 10 conditions per place. [2024-06-27 16:21:48,134 INFO L82 GeneralOperation]: Start removeDead. Operand has 509 places, 648 transitions, 1324 flow [2024-06-27 16:21:48,153 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 509 places, 648 transitions, 1324 flow [2024-06-27 16:21:48,154 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 16:21:48,154 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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;@5e9bb203, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 16:21:48,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-06-27 16:21:48,162 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 16:21:48,162 INFO L124 PetriNetUnfolderBase]: 2/75 cut-off events. [2024-06-27 16:21:48,162 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-06-27 16:21:48,162 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 16:21:48,163 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 1, 1, 1, 1, 1, 1] [2024-06-27 16:21:48,163 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err6ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 52 more)] === [2024-06-27 16:21:48,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 16:21:48,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1561164120, now seen corresponding path program 1 times [2024-06-27 16:21:48,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 16:21:48,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559481611] [2024-06-27 16:21:48,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 16:21:48,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 16:21:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-06-27 16:21:48,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-06-27 16:21:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-06-27 16:21:48,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-06-27 16:21:48,215 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-06-27 16:21:48,215 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 56 remaining) [2024-06-27 16:21:48,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (54 of 56 remaining) [2024-06-27 16:21:48,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (53 of 56 remaining) [2024-06-27 16:21:48,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (52 of 56 remaining) [2024-06-27 16:21:48,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (51 of 56 remaining) [2024-06-27 16:21:48,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (50 of 56 remaining) [2024-06-27 16:21:48,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (49 of 56 remaining) [2024-06-27 16:21:48,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (48 of 56 remaining) [2024-06-27 16:21:48,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (47 of 56 remaining) [2024-06-27 16:21:48,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (46 of 56 remaining) [2024-06-27 16:21:48,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (45 of 56 remaining) [2024-06-27 16:21:48,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (44 of 56 remaining) [2024-06-27 16:21:48,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (43 of 56 remaining) [2024-06-27 16:21:48,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (42 of 56 remaining) [2024-06-27 16:21:48,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (41 of 56 remaining) [2024-06-27 16:21:48,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (40 of 56 remaining) [2024-06-27 16:21:48,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (39 of 56 remaining) [2024-06-27 16:21:48,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (38 of 56 remaining) [2024-06-27 16:21:48,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (37 of 56 remaining) [2024-06-27 16:21:48,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (36 of 56 remaining) [2024-06-27 16:21:48,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (35 of 56 remaining) [2024-06-27 16:21:48,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (34 of 56 remaining) [2024-06-27 16:21:48,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (33 of 56 remaining) [2024-06-27 16:21:48,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (32 of 56 remaining) [2024-06-27 16:21:48,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (31 of 56 remaining) [2024-06-27 16:21:48,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (30 of 56 remaining) [2024-06-27 16:21:48,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (29 of 56 remaining) [2024-06-27 16:21:48,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (28 of 56 remaining) [2024-06-27 16:21:48,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (27 of 56 remaining) [2024-06-27 16:21:48,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (26 of 56 remaining) [2024-06-27 16:21:48,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (25 of 56 remaining) [2024-06-27 16:21:48,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (24 of 56 remaining) [2024-06-27 16:21:48,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (23 of 56 remaining) [2024-06-27 16:21:48,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (22 of 56 remaining) [2024-06-27 16:21:48,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (21 of 56 remaining) [2024-06-27 16:21:48,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (20 of 56 remaining) [2024-06-27 16:21:48,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 56 remaining) [2024-06-27 16:21:48,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (18 of 56 remaining) [2024-06-27 16:21:48,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (17 of 56 remaining) [2024-06-27 16:21:48,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (16 of 56 remaining) [2024-06-27 16:21:48,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (15 of 56 remaining) [2024-06-27 16:21:48,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (14 of 56 remaining) [2024-06-27 16:21:48,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (13 of 56 remaining) [2024-06-27 16:21:48,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (12 of 56 remaining) [2024-06-27 16:21:48,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (11 of 56 remaining) [2024-06-27 16:21:48,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONERROR_FUNCTION (10 of 56 remaining) [2024-06-27 16:21:48,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (9 of 56 remaining) [2024-06-27 16:21:48,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (8 of 56 remaining) [2024-06-27 16:21:48,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 56 remaining) [2024-06-27 16:21:48,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (6 of 56 remaining) [2024-06-27 16:21:48,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 56 remaining) [2024-06-27 16:21:48,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (4 of 56 remaining) [2024-06-27 16:21:48,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONERROR_FUNCTION (3 of 56 remaining) [2024-06-27 16:21:48,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (2 of 56 remaining) [2024-06-27 16:21:48,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (1 of 56 remaining) [2024-06-27 16:21:48,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (0 of 56 remaining) [2024-06-27 16:21:48,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-27 16:21:48,223 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-27 16:21:48,223 WARN L234 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-06-27 16:21:48,223 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-06-27 16:21:48,311 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 16:21:48,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 635 places, 809 transitions, 1658 flow [2024-06-27 16:21:48,525 INFO L124 PetriNetUnfolderBase]: 185/819 cut-off events. [2024-06-27 16:21:48,526 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-06-27 16:21:48,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 845 conditions, 819 events. 185/819 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 6006 event pairs, 0 based on Foata normal form. 0/573 useless extension candidates. Maximal degree in co-relation 802. Up to 10 conditions per place. [2024-06-27 16:21:48,550 INFO L82 GeneralOperation]: Start removeDead. Operand has 635 places, 809 transitions, 1658 flow [2024-06-27 16:21:48,577 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 635 places, 809 transitions, 1658 flow [2024-06-27 16:21:48,578 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 16:21:48,579 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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;@5e9bb203, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 16:21:48,579 INFO L358 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2024-06-27 16:21:48,613 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 16:21:48,613 INFO L124 PetriNetUnfolderBase]: 9/104 cut-off events. [2024-06-27 16:21:48,613 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-06-27 16:21:48,614 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 16:21:48,614 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 16:21:48,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err5ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err5ASSERT_VIOLATIONERROR_FUNCTION, thr1Err2ASSERT_VIOLATIONERROR_FUNCTION, thr1Err6ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2024-06-27 16:21:48,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 16:21:48,614 INFO L85 PathProgramCache]: Analyzing trace with hash -703599690, now seen corresponding path program 1 times [2024-06-27 16:21:48,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 16:21:48,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339991783] [2024-06-27 16:21:48,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 16:21:48,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 16:21:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 16:21:48,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 16:21:48,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 16:21:48,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339991783] [2024-06-27 16:21:48,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339991783] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 16:21:48,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 16:21:48,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 16:21:48,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518163136] [2024-06-27 16:21:48,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 16:21:48,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-06-27 16:21:48,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 16:21:48,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-06-27 16:21:48,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-06-27 16:21:48,726 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 809 [2024-06-27 16:21:48,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 809 transitions, 1658 flow. Second operand has 2 states, 2 states have (on average 201.0) internal successors, (402), 2 states have internal predecessors, (402), 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) [2024-06-27 16:21:48,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 16:21:48,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 809 [2024-06-27 16:21:48,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand