./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 18:32:45,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 18:32:46,080 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 18:32:46,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 18:32:46,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 18:32:46,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 18:32:46,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 18:32:46,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 18:32:46,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 18:32:46,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 18:32:46,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 18:32:46,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 18:32:46,111 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 18:32:46,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 18:32:46,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 18:32:46,111 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 18:32:46,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 18:32:46,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 18:32:46,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 18:32:46,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 18:32:46,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 18:32:46,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 18:32:46,112 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 18:32:46,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 18:32:46,112 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 18:32:46,112 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 18:32:46,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 18:32:46,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 18:32:46,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 18:32:46,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 18:32:46,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 18:32:46,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 18:32:46,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 18:32:46,114 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 18:32:46,115 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 18:32:46,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 18:32:46,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 18:32:46,115 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 18:32:46,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 18:32:46,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 18:32:46,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 18:32:46,115 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 18:32:46,116 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 18:32:46,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-jdk21/releaseScripts/default/UGemCutter-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 -> GemCutter 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 -> 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2025-01-23 18:32:46,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 18:32:46,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 18:32:46,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 18:32:46,396 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 18:32:46,397 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 18:32:46,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2025-01-23 18:32:47,630 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/640ed4522/f384fda669fa4c5ba8265dbafb66c346/FLAGf1200cbbb [2025-01-23 18:32:47,828 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 18:32:47,829 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2025-01-23 18:32:47,836 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/640ed4522/f384fda669fa4c5ba8265dbafb66c346/FLAGf1200cbbb [2025-01-23 18:32:47,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/640ed4522/f384fda669fa4c5ba8265dbafb66c346 [2025-01-23 18:32:47,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 18:32:47,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 18:32:47,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 18:32:47,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 18:32:47,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 18:32:47,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 06:32:47" (1/1) ... [2025-01-23 18:32:47,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a02826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:47, skipping insertion in model container [2025-01-23 18:32:47,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 06:32:47" (1/1) ... [2025-01-23 18:32:47,880 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 18:32:48,087 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c[12847,12860] [2025-01-23 18:32:48,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 18:32:48,101 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 18:32:48,202 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c[12847,12860] [2025-01-23 18:32:48,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 18:32:48,216 INFO L204 MainTranslator]: Completed translation [2025-01-23 18:32:48,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48 WrapperNode [2025-01-23 18:32:48,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 18:32:48,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 18:32:48,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 18:32:48,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 18:32:48,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (1/1) ... [2025-01-23 18:32:48,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (1/1) ... [2025-01-23 18:32:48,315 INFO L138 Inliner]: procedures = 24, calls = 297, calls flagged for inlining = 69, calls inlined = 97, statements flattened = 1531 [2025-01-23 18:32:48,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 18:32:48,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 18:32:48,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 18:32:48,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 18:32:48,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (1/1) ... [2025-01-23 18:32:48,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (1/1) ... [2025-01-23 18:32:48,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (1/1) ... [2025-01-23 18:32:48,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (1/1) ... [2025-01-23 18:32:48,401 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (1/1) ... [2025-01-23 18:32:48,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (1/1) ... [2025-01-23 18:32:48,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (1/1) ... [2025-01-23 18:32:48,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (1/1) ... [2025-01-23 18:32:48,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (1/1) ... [2025-01-23 18:32:48,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 18:32:48,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 18:32:48,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 18:32:48,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 18:32:48,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (1/1) ... [2025-01-23 18:32:48,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 18:32:48,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:32:48,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-23 18:32:48,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-23 18:32:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 18:32:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 18:32:48,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 18:32:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 18:32:48,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 18:32:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 18:32:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 18:32:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 18:32:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 18:32:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-23 18:32:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 18:32:48,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 18:32:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 18:32:48,535 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 18:32:48,727 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 18:32:48,728 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 18:32:50,305 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 18:32:50,305 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 18:32:51,773 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 18:32:51,773 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-01-23 18:32:51,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 06:32:51 BoogieIcfgContainer [2025-01-23 18:32:51,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 18:32:51,776 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 18:32:51,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 18:32:51,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 18:32:51,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 06:32:47" (1/3) ... [2025-01-23 18:32:51,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711dbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 06:32:51, skipping insertion in model container [2025-01-23 18:32:51,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:32:48" (2/3) ... [2025-01-23 18:32:51,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711dbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 06:32:51, skipping insertion in model container [2025-01-23 18:32:51,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 06:32:51" (3/3) ... [2025-01-23 18:32:51,782 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2025-01-23 18:32:51,794 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 18:32:51,795 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-symm.wvr.c that has 3 procedures, 67 locations, 1 initial locations, 12 loop locations, and 1 error locations. [2025-01-23 18:32:51,795 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 18:32:52,055 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-23 18:32:52,088 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 18:32:52,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 18:32:52,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:32:52,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-23 18:32:52,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-23 18:32:52,280 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 18:32:52,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 18:32:52,301 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=PARTIAL_ORDER_FA, 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;@e626d0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 18:32:52,301 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-23 18:32:52,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:32:52,475 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:32:52,475 INFO L139 ounterexampleChecker]: Examining path program with hash 1230222151, occurence #1 [2025-01-23 18:32:52,476 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:32:52,476 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:32:52,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:32:52,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1744594146, now seen corresponding path program 1 times [2025-01-23 18:32:52,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:32:52,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730273938] [2025-01-23 18:32:52,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:32:52,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:32:52,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-23 18:32:52,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-23 18:32:52,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:32:52,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:32:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:32:53,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:32:53,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730273938] [2025-01-23 18:32:53,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730273938] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:32:53,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:32:53,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 18:32:53,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20015651] [2025-01-23 18:32:53,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:32:53,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 18:32:53,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:32:53,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 18:32:53,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 18:32:53,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:32:53,067 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:32:53,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2025-01-23 18:32:53,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:32:53,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:53,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 18:32:53,207 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:32:53,207 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:32:53,207 INFO L139 ounterexampleChecker]: Examining path program with hash -1205684985, occurence #1 [2025-01-23 18:32:53,207 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:32:53,207 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:32:53,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:32:53,208 INFO L85 PathProgramCache]: Analyzing trace with hash -30861909, now seen corresponding path program 1 times [2025-01-23 18:32:53,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:32:53,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352586944] [2025-01-23 18:32:53,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:32:53,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:32:53,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-23 18:32:53,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-23 18:32:53,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:32:53,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:32:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 18:32:53,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:32:53,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352586944] [2025-01-23 18:32:53,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352586944] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:32:53,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744553831] [2025-01-23 18:32:53,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:32:53,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:32:53,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:32:53,634 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:32:53,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-23 18:32:54,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-23 18:32:54,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-23 18:32:54,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:32:54,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:32:54,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-23 18:32:54,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:32:54,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 18:32:54,161 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:32:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 18:32:54,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744553831] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:32:54,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:32:54,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2025-01-23 18:32:54,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935083916] [2025-01-23 18:32:54,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:32:54,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-23 18:32:54,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:32:54,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-23 18:32:54,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-23 18:32:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:32:54,201 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:32:54,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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) [2025-01-23 18:32:54,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:54,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:32:54,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:54,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:32:54,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 18:32:54,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:32:54,601 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:32:54,601 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:32:54,602 INFO L139 ounterexampleChecker]: Examining path program with hash -1205684985, occurence #2 [2025-01-23 18:32:54,602 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:32:54,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:32:54,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:54,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-23 18:32:54,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:54,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-23 18:32:54,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:54,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-23 18:32:54,603 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:54,603 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 18:32:54,625 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:32:54,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-23 18:32:54,626 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:32:54,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-23 18:32:54,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:54,626 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-23 18:32:54,626 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:54,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-23 18:32:54,627 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:32:54,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-23 18:32:54,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:54,627 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:32:54,627 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:32:54,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:32:54,628 INFO L85 PathProgramCache]: Analyzing trace with hash 187897038, now seen corresponding path program 1 times [2025-01-23 18:32:54,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:32:54,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212513810] [2025-01-23 18:32:54,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:32:54,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:32:54,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-23 18:32:54,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-23 18:32:54,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:32:54,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:32:55,132 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-01-23 18:32:55,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:32:55,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212513810] [2025-01-23 18:32:55,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212513810] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:32:55,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091269919] [2025-01-23 18:32:55,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:32:55,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:32:55,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:32:55,137 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:32:55,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-23 18:32:55,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-23 18:32:55,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-23 18:32:55,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:32:55,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:32:55,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 18:32:55,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:32:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-01-23 18:32:55,649 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:32:55,698 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-01-23 18:32:55,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091269919] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:32:55,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:32:55,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-01-23 18:32:55,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301834831] [2025-01-23 18:32:55,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:32:55,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-23 18:32:55,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:32:55,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-23 18:32:55,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2025-01-23 18:32:55,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:32:55,700 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:32:55,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:32:55,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:55,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:32:55,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:32:55,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:55,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:32:55,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:32:55,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-23 18:32:56,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:32:56,169 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:32:56,169 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:32:56,169 INFO L139 ounterexampleChecker]: Examining path program with hash -1205684985, occurence #3 [2025-01-23 18:32:56,169 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:32:56,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:32:56,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:56,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 18:32:56,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:56,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-23 18:32:56,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:56,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 18:32:56,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:56,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-23 18:32:56,170 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:32:56,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-23 18:32:56,170 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:32:56,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-23 18:32:56,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:56,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-23 18:32:56,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:56,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-23 18:32:56,170 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:32:56,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-23 18:32:56,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:56,170 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:32:56,170 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:32:56,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:32:56,171 INFO L85 PathProgramCache]: Analyzing trace with hash 963300858, now seen corresponding path program 2 times [2025-01-23 18:32:56,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:32:56,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689413570] [2025-01-23 18:32:56,171 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:32:56,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:32:56,212 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 70 statements into 2 equivalence classes. [2025-01-23 18:32:56,235 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 34 of 70 statements. [2025-01-23 18:32:56,236 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 18:32:56,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:32:56,455 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-01-23 18:32:56,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:32:56,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689413570] [2025-01-23 18:32:56,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689413570] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:32:56,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:32:56,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 18:32:56,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306196264] [2025-01-23 18:32:56,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:32:56,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 18:32:56,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:32:56,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 18:32:56,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 18:32:56,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:32:56,459 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:32:56,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2025-01-23 18:32:56,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:56,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:32:56,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:32:56,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:32:56,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:56,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:32:56,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:32:56,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:56,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-23 18:32:56,552 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:32:56,552 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:32:56,553 INFO L139 ounterexampleChecker]: Examining path program with hash -793513183, occurence #1 [2025-01-23 18:32:56,553 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:32:56,553 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:32:56,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:32:56,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1280466375, now seen corresponding path program 1 times [2025-01-23 18:32:56,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:32:56,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168495312] [2025-01-23 18:32:56,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:32:56,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:32:56,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-01-23 18:32:56,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-01-23 18:32:56,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:32:56,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:32:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-23 18:32:57,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:32:57,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168495312] [2025-01-23 18:32:57,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168495312] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:32:57,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210898915] [2025-01-23 18:32:57,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:32:57,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:32:57,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:32:57,043 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:32:57,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-23 18:32:57,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-01-23 18:32:57,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-01-23 18:32:57,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:32:57,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:32:57,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-23 18:32:57,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:32:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-23 18:32:57,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:32:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-23 18:32:57,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210898915] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:32:57,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:32:57,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2025-01-23 18:32:57,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842688542] [2025-01-23 18:32:57,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:32:57,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-23 18:32:57,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:32:57,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-23 18:32:57,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=200, Unknown=0, NotChecked=0, Total=380 [2025-01-23 18:32:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:32:57,708 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:32:57,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 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) [2025-01-23 18:32:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:32:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:32:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:57,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:32:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:32:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:32:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:32:57,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-23 18:32:58,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:32:58,190 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:32:58,190 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:32:58,190 INFO L139 ounterexampleChecker]: Examining path program with hash -793513183, occurence #2 [2025-01-23 18:32:58,190 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:32:58,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:32:58,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:58,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 18:32:58,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:58,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-23 18:32:58,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:58,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 18:32:58,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:58,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-23 18:32:58,191 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:32:58,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-23 18:32:58,192 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:32:58,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-23 18:32:58,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:58,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-01-23 18:32:58,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:58,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2025-01-23 18:32:58,192 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:32:58,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-23 18:32:58,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:32:58,192 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:32:58,193 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:32:58,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:32:58,193 INFO L85 PathProgramCache]: Analyzing trace with hash -889380246, now seen corresponding path program 2 times [2025-01-23 18:32:58,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:32:58,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22000841] [2025-01-23 18:32:58,193 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:32:58,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:32:58,261 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 90 statements into 2 equivalence classes. [2025-01-23 18:32:58,514 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 90 of 90 statements. [2025-01-23 18:32:58,515 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:32:58,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:32:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-01-23 18:32:59,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:32:59,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22000841] [2025-01-23 18:32:59,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22000841] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:32:59,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292019134] [2025-01-23 18:32:59,123 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:32:59,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:32:59,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:32:59,127 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:32:59,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-23 18:32:59,523 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 90 statements into 2 equivalence classes. [2025-01-23 18:32:59,630 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 90 of 90 statements. [2025-01-23 18:32:59,630 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:32:59,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:32:59,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-23 18:32:59,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:32:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-01-23 18:32:59,837 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:32:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-01-23 18:32:59,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292019134] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:32:59,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:32:59,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2025-01-23 18:32:59,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766249059] [2025-01-23 18:32:59,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:32:59,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-23 18:32:59,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:32:59,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-23 18:32:59,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=484, Unknown=0, NotChecked=0, Total=812 [2025-01-23 18:32:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:32:59,994 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:32:59,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 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) [2025-01-23 18:32:59,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:59,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:32:59,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:32:59,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:32:59,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:32:59,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:33:00,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:33:00,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:33:00,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:33:00,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:33:00,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:33:00,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 18:33:00,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-23 18:33:00,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:33:00,510 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:33:00,510 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:33:00,510 INFO L139 ounterexampleChecker]: Examining path program with hash -793513183, occurence #3 [2025-01-23 18:33:00,511 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:33:00,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:33:00,511 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:00,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 18:33:00,511 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:00,511 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-23 18:33:00,511 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:00,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 18:33:00,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:00,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-23 18:33:00,515 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:33:00,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-23 18:33:00,516 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:33:00,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-23 18:33:00,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:00,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-23 18:33:00,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:00,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-23 18:33:00,516 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:33:00,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-01-23 18:33:00,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:00,516 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:33:00,517 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:33:00,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:33:00,517 INFO L85 PathProgramCache]: Analyzing trace with hash 404336313, now seen corresponding path program 3 times [2025-01-23 18:33:00,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:33:00,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216997067] [2025-01-23 18:33:00,518 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 18:33:00,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:33:00,590 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 92 statements into 8 equivalence classes. [2025-01-23 18:33:00,894 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 56 of 92 statements. [2025-01-23 18:33:00,894 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 18:33:00,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:33:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2025-01-23 18:33:03,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:33:03,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216997067] [2025-01-23 18:33:03,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216997067] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:33:03,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948543113] [2025-01-23 18:33:03,560 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 18:33:03,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:33:03,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:33:03,562 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:33:03,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-23 18:33:04,031 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 92 statements into 8 equivalence classes. [2025-01-23 18:33:04,122 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 56 of 92 statements. [2025-01-23 18:33:04,123 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 18:33:04,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:33:04,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-01-23 18:33:04,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:33:05,118 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 18:33:05,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 254 treesize of output 194 [2025-01-23 18:33:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2025-01-23 18:33:05,455 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:33:06,349 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 18:33:06,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 161 treesize of output 157 [2025-01-23 18:33:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2025-01-23 18:33:06,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948543113] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:33:06,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:33:06,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 8] total 22 [2025-01-23 18:33:06,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965435150] [2025-01-23 18:33:06,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:33:06,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-23 18:33:06,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:33:06,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-23 18:33:06,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2025-01-23 18:33:06,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:33:06,812 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:33:06,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.454545454545454) internal successors, (98), 22 states have internal predecessors, (98), 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) [2025-01-23 18:33:06,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:33:06,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:33:06,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:33:06,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:33:06,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:33:06,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 18:33:06,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:33:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:33:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:33:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:33:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:33:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:33:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 18:33:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:33:07,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-23 18:33:07,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:33:07,496 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:33:07,496 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:33:07,497 INFO L139 ounterexampleChecker]: Examining path program with hash -793513183, occurence #4 [2025-01-23 18:33:07,497 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:33:07,497 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:33:07,497 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:07,497 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 18:33:07,497 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:07,497 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-23 18:33:07,497 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:07,497 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 18:33:07,497 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:07,497 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-23 18:33:07,498 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:33:07,498 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-23 18:33:07,498 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:33:07,498 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-23 18:33:07,498 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:07,498 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-23 18:33:07,498 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:07,498 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-23 18:33:07,498 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:33:07,498 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-23 18:33:07,498 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:07,498 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:33:07,498 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:33:07,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:33:07,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1132115896, now seen corresponding path program 4 times [2025-01-23 18:33:07,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:33:07,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029763303] [2025-01-23 18:33:07,498 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 18:33:07,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:33:07,550 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 98 statements into 2 equivalence classes. [2025-01-23 18:33:07,893 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-01-23 18:33:07,893 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 18:33:07,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:33:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2025-01-23 18:33:12,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:33:12,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029763303] [2025-01-23 18:33:12,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029763303] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:33:12,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505798132] [2025-01-23 18:33:12,084 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 18:33:12,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:33:12,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:33:12,087 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:33:12,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-23 18:33:12,472 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 98 statements into 2 equivalence classes. [2025-01-23 18:33:12,586 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-01-23 18:33:12,586 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 18:33:12,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:33:12,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-01-23 18:33:12,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:33:13,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 18:33:13,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 212 treesize of output 158 [2025-01-23 18:33:13,567 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2025-01-23 18:33:13,567 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:33:14,280 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 18:33:14,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 161 treesize of output 157 [2025-01-23 18:33:14,674 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2025-01-23 18:33:14,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505798132] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:33:14,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:33:14,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 34 [2025-01-23 18:33:14,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661589868] [2025-01-23 18:33:14,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:33:14,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-01-23 18:33:14,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:33:14,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-01-23 18:33:14,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1002, Unknown=0, NotChecked=0, Total=1122 [2025-01-23 18:33:14,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:33:14,677 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:33:14,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.676470588235294) internal successors, (125), 34 states have internal predecessors, (125), 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) [2025-01-23 18:33:14,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:33:14,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:33:14,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:33:14,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:33:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:33:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-23 18:33:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:33:14,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:33:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:33:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:33:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 18:33:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:33:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:33:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 18:33:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 18:33:16,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 18:33:16,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-23 18:33:16,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:33:16,270 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 18:33:16,270 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:33:16,271 INFO L139 ounterexampleChecker]: Examining path program with hash -793513183, occurence #5 [2025-01-23 18:33:16,271 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:33:16,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-23 18:33:16,271 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:16,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 18:33:16,271 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:16,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-23 18:33:16,271 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:16,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 18:33:16,271 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:16,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-23 18:33:16,271 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:33:16,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-23 18:33:16,271 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:33:16,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-01-23 18:33:16,271 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:16,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-23 18:33:16,271 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:16,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-01-23 18:33:16,272 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:33:16,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-01-23 18:33:16,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:33:16,272 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:33:16,272 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:33:16,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:33:16,272 INFO L85 PathProgramCache]: Analyzing trace with hash 2142202676, now seen corresponding path program 5 times [2025-01-23 18:33:16,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:33:16,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626710511] [2025-01-23 18:33:16,272 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 18:33:16,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:33:16,347 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 122 statements into 8 equivalence classes. [2025-01-23 18:33:17,658 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 122 of 122 statements. [2025-01-23 18:33:17,658 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-01-23 18:33:17,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:33:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2025-01-23 18:33:23,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:33:23,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626710511] [2025-01-23 18:33:23,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626710511] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:33:23,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136568210] [2025-01-23 18:33:23,152 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 18:33:23,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:33:23,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:33:23,154 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:33:23,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-23 18:33:23,587 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 122 statements into 8 equivalence classes. Killed by 15