./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i --full-output --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 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/pthread-ext/36_stack_cas_p0_vs_concur.i -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 5bf99dd5722e6551de991a345b21615b777cf7cef3d452afb8b79773fd45d3d8 --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 10:34:48,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 10:34:48,564 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 10:34:48,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 10:34:48,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 10:34:48,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 10:34:48,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 10:34:48,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 10:34:48,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 10:34:48,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 10:34:48,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 10:34:48,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 10:34:48,586 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 10:34:48,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 10:34:48,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 10:34:48,586 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 10:34:48,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 10:34:48,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 10:34:48,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 10:34:48,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 10:34:48,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 10:34:48,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 10:34:48,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 10:34:48,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 10:34:48,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 10:34:48,589 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 10:34:48,589 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 10:34:48,589 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 -> 5bf99dd5722e6551de991a345b21615b777cf7cef3d452afb8b79773fd45d3d8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 10:34:48,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 10:34:48,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 10:34:48,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 10:34:48,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 10:34:48,811 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 10:34:48,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2024-12-17 10:34:49,893 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/2bc144980/f005d4f23359493abaf15df924a1e476/FLAG3c119b11a [2024-12-17 10:34:50,162 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 10:34:50,162 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2024-12-17 10:34:50,174 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/2bc144980/f005d4f23359493abaf15df924a1e476/FLAG3c119b11a [2024-12-17 10:34:50,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/2bc144980/f005d4f23359493abaf15df924a1e476 [2024-12-17 10:34:50,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 10:34:50,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 10:34:50,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 10:34:50,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 10:34:50,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 10:34:50,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4353d0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50, skipping insertion in model container [2024-12-17 10:34:50,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,224 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 10:34:50,443 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/pthread-ext/36_stack_cas_p0_vs_concur.i[30869,30882] [2024-12-17 10:34:50,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 10:34:50,459 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 10:34:50,493 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/pthread-ext/36_stack_cas_p0_vs_concur.i[30869,30882] [2024-12-17 10:34:50,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 10:34:50,519 INFO L204 MainTranslator]: Completed translation [2024-12-17 10:34:50,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50 WrapperNode [2024-12-17 10:34:50,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 10:34:50,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 10:34:50,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 10:34:50,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 10:34:50,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,547 INFO L138 Inliner]: procedures = 172, calls = 36, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 158 [2024-12-17 10:34:50,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 10:34:50,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 10:34:50,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 10:34:50,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 10:34:50,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,564 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 10:34:50,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 10:34:50,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 10:34:50,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 10:34:50,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (1/1) ... [2024-12-17 10:34:50,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 10:34:50,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 10:34:50,596 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) [2024-12-17 10:34:50,598 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 [2024-12-17 10:34:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 10:34:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-12-17 10:34:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-12-17 10:34:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 10:34:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 10:34:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 10:34:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-17 10:34:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-17 10:34:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 10:34:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 10:34:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 10:34:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 10:34:50,614 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 10:34:50,701 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 10:34:50,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 10:34:50,907 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 10:34:50,907 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 10:34:51,162 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 10:34:51,162 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-17 10:34:51,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:34:51 BoogieIcfgContainer [2024-12-17 10:34:51,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 10:34:51,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 10:34:51,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 10:34:51,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 10:34:51,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:34:50" (1/3) ... [2024-12-17 10:34:51,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5805ccd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:34:51, skipping insertion in model container [2024-12-17 10:34:51,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:34:50" (2/3) ... [2024-12-17 10:34:51,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5805ccd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:34:51, skipping insertion in model container [2024-12-17 10:34:51,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:34:51" (3/3) ... [2024-12-17 10:34:51,172 INFO L128 eAbstractionObserver]: Analyzing ICFG 36_stack_cas_p0_vs_concur.i [2024-12-17 10:34:51,182 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 10:34:51,184 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 36_stack_cas_p0_vs_concur.i that has 2 procedures, 18 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-12-17 10:34:51,184 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 10:34:51,214 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-17 10:34:51,247 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 10:34:51,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 10:34:51,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 10:34:51,249 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) [2024-12-17 10:34:51,250 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 [2024-12-17 10:34:51,306 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 10:34:51,318 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-12-17 10:34:51,325 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;@53d0c2ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 10:34:51,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-17 10:34:51,552 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 10:34:51,553 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:34:51,554 INFO L139 ounterexampleChecker]: Examining path program with hash 922335704, occurence #1 [2024-12-17 10:34:51,554 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:34:51,554 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:34:51,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:34:51,558 INFO L85 PathProgramCache]: Analyzing trace with hash 22912437, now seen corresponding path program 1 times [2024-12-17 10:34:51,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:34:51,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402242164] [2024-12-17 10:34:51,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:34:51,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:34:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:34:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:34:52,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:34:52,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402242164] [2024-12-17 10:34:52,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402242164] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 10:34:52,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 10:34:52,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 10:34:52,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983522230] [2024-12-17 10:34:52,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 10:34:52,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-17 10:34:52,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 10:34:52,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-17 10:34:52,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-17 10:34:52,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:52,084 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 10:34:52,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 10:34:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:52,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 10:34:52,140 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 10:34:52,140 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:34:52,140 INFO L139 ounterexampleChecker]: Examining path program with hash 1362785978, occurence #1 [2024-12-17 10:34:52,140 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:34:52,140 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:34:52,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:34:52,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1610971672, now seen corresponding path program 1 times [2024-12-17 10:34:52,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:34:52,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256845456] [2024-12-17 10:34:52,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:34:52,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:34:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:34:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:34:52,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:34:52,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256845456] [2024-12-17 10:34:52,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256845456] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 10:34:52,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 10:34:52,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-17 10:34:52,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548555994] [2024-12-17 10:34:52,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 10:34:52,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-17 10:34:52,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 10:34:52,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-17 10:34:52,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-17 10:34:52,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:52,850 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 10:34:52,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 10:34:52,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:52,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:53,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:34:53,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 10:34:53,026 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 10:34:53,026 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:34:53,026 INFO L139 ounterexampleChecker]: Examining path program with hash -708752992, occurence #1 [2024-12-17 10:34:53,027 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:34:53,027 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:34:53,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:34:53,027 INFO L85 PathProgramCache]: Analyzing trace with hash -2121190591, now seen corresponding path program 1 times [2024-12-17 10:34:53,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:34:53,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428539880] [2024-12-17 10:34:53,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:34:53,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:34:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:34:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:34:53,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:34:53,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428539880] [2024-12-17 10:34:53,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428539880] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 10:34:53,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337934424] [2024-12-17 10:34:53,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:34:53,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 10:34:53,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 10:34:53,508 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) [2024-12-17 10:34:53,509 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 [2024-12-17 10:34:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:34:53,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 10:34:53,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 10:34:53,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-17 10:34:53,942 INFO L349 Elim1Store]: treesize reduction 58, result has 31.8 percent of original size [2024-12-17 10:34:53,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 37 [2024-12-17 10:34:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:34:54,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 10:34:54,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 10:34:54,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-12-17 10:34:54,171 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 10:34:54,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2024-12-17 10:34:54,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 58 [2024-12-17 10:34:54,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-12-17 10:34:54,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2024-12-17 10:34:54,299 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 10:34:54,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-12-17 10:34:54,352 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:34:54,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337934424] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 10:34:54,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 10:34:54,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 6] total 19 [2024-12-17 10:34:54,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016361609] [2024-12-17 10:34:54,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 10:34:54,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-17 10:34:54,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 10:34:54,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-17 10:34:54,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=340, Unknown=2, NotChecked=0, Total=420 [2024-12-17 10:34:54,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:54,354 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 10:34:54,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 10:34:54,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:54,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:34:54,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 10:34:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 10:34:55,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-17 10:34:55,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 10:34:55,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 10:34:55,723 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-17 10:34:55,724 INFO L319 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2024-12-17 10:34:55,725 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 10:34:55,726 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 10:34:55,726 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 10:34:55,726 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;@53d0c2ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 10:34:55,726 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-17 10:34:55,730 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 10:34:55,730 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:34:55,730 INFO L139 ounterexampleChecker]: Examining path program with hash 224408768, occurence #1 [2024-12-17 10:34:55,730 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:34:55,730 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:34:55,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:34:55,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1359692057, now seen corresponding path program 1 times [2024-12-17 10:34:55,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:34:55,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979274518] [2024-12-17 10:34:55,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:34:55,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:34:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 10:34:55,896 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-17 10:34:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 10:34:55,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-17 10:34:55,918 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-17 10:34:55,918 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-12-17 10:34:55,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-17 10:34:55,920 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-12-17 10:34:55,920 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2024-12-17 10:34:55,921 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-12-17 10:34:55,921 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-12-17 10:34:55,960 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-17 10:34:55,964 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 10:34:55,976 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 10:34:55,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 10:34:55,976 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;@53d0c2ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 10:34:55,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-17 10:34:56,569 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 10:34:56,569 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:34:56,569 INFO L139 ounterexampleChecker]: Examining path program with hash -256388046, occurence #1 [2024-12-17 10:34:56,570 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:34:56,570 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:34:56,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:34:56,570 INFO L85 PathProgramCache]: Analyzing trace with hash -972392972, now seen corresponding path program 1 times [2024-12-17 10:34:56,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:34:56,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306709228] [2024-12-17 10:34:56,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:34:56,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:34:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:34:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:34:56,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:34:56,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306709228] [2024-12-17 10:34:56,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306709228] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 10:34:56,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 10:34:56,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-17 10:34:56,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311474696] [2024-12-17 10:34:56,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 10:34:56,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-17 10:34:56,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 10:34:56,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-17 10:34:56,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-17 10:34:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:56,976 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 10:34:56,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 10:34:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:34:57,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-17 10:34:57,244 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 10:34:57,244 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:34:57,244 INFO L139 ounterexampleChecker]: Examining path program with hash 1847798679, occurence #1 [2024-12-17 10:34:57,244 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:34:57,244 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:34:57,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:34:57,244 INFO L85 PathProgramCache]: Analyzing trace with hash -943763821, now seen corresponding path program 1 times [2024-12-17 10:34:57,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:34:57,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647843733] [2024-12-17 10:34:57,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:34:57,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:34:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 10:34:57,390 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-17 10:34:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 10:34:57,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-17 10:34:57,423 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-17 10:34:57,423 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-12-17 10:34:57,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-17 10:34:57,424 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-17 10:34:57,425 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2024-12-17 10:34:57,425 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-12-17 10:34:57,425 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-12-17 10:34:57,445 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-17 10:34:57,448 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 10:34:57,458 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 10:34:57,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2024-12-17 10:34:57,459 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;@53d0c2ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 10:34:57,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-17 10:34:58,734 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 10:34:58,734 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:34:58,734 INFO L139 ounterexampleChecker]: Examining path program with hash -1625926891, occurence #1 [2024-12-17 10:34:58,734 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:34:58,734 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:34:58,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:34:58,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1352105695, now seen corresponding path program 1 times [2024-12-17 10:34:58,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:34:58,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348851587] [2024-12-17 10:34:58,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:34:58,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:34:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:34:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:34:58,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:34:58,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348851587] [2024-12-17 10:34:58,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348851587] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 10:34:58,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 10:34:58,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 10:34:58,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358538029] [2024-12-17 10:34:58,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 10:34:58,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-17 10:34:58,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 10:34:58,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-17 10:34:58,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-17 10:34:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:58,912 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 10:34:58,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 10:34:58,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:58,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:58,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-17 10:34:58,964 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 10:34:58,964 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:34:58,964 INFO L139 ounterexampleChecker]: Examining path program with hash -834672411, occurence #1 [2024-12-17 10:34:58,965 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:34:58,965 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:34:58,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:34:58,965 INFO L85 PathProgramCache]: Analyzing trace with hash 610992410, now seen corresponding path program 1 times [2024-12-17 10:34:58,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:34:58,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073222483] [2024-12-17 10:34:58,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:34:58,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:34:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:34:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:34:59,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:34:59,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073222483] [2024-12-17 10:34:59,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073222483] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 10:34:59,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 10:34:59,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-17 10:34:59,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378051471] [2024-12-17 10:34:59,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 10:34:59,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-17 10:34:59,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 10:34:59,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-17 10:34:59,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-17 10:34:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:59,395 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 10:34:59,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 10:34:59,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:59,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:59,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:34:59,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:34:59,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-17 10:34:59,858 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 10:34:59,858 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:34:59,859 INFO L139 ounterexampleChecker]: Examining path program with hash -1343688817, occurence #1 [2024-12-17 10:34:59,859 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:34:59,859 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:34:59,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:34:59,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1757196106, now seen corresponding path program 1 times [2024-12-17 10:34:59,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:34:59,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824217878] [2024-12-17 10:34:59,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:34:59,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:35:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:35:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:35:00,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:35:00,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824217878] [2024-12-17 10:35:00,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824217878] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 10:35:00,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 10:35:00,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-17 10:35:00,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523682302] [2024-12-17 10:35:00,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 10:35:00,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-17 10:35:00,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 10:35:00,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-17 10:35:00,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-17 10:35:00,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:00,323 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 10:35:00,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 10:35:00,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:00,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:35:00,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:01,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:01,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:35:01,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:35:01,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-17 10:35:01,009 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 10:35:01,009 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:35:01,009 INFO L139 ounterexampleChecker]: Examining path program with hash 1943784716, occurence #1 [2024-12-17 10:35:01,009 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:35:01,009 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:35:01,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:35:01,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1824910055, now seen corresponding path program 1 times [2024-12-17 10:35:01,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:35:01,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678867173] [2024-12-17 10:35:01,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:35:01,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:35:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:35:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:35:02,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:35:02,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678867173] [2024-12-17 10:35:02,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678867173] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 10:35:02,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 10:35:02,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-12-17 10:35:02,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934978754] [2024-12-17 10:35:02,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 10:35:02,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-17 10:35:02,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 10:35:02,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-17 10:35:02,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2024-12-17 10:35:02,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:02,272 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 10:35:02,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.5) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 10:35:02,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:02,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:35:02,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:35:02,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:03,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:03,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:35:03,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:35:03,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-17 10:35:03,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-17 10:35:03,204 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 10:35:03,204 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:35:03,205 INFO L139 ounterexampleChecker]: Examining path program with hash 2054145083, occurence #1 [2024-12-17 10:35:03,205 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:35:03,205 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:35:03,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:35:03,205 INFO L85 PathProgramCache]: Analyzing trace with hash -353530992, now seen corresponding path program 1 times [2024-12-17 10:35:03,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:35:03,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669576048] [2024-12-17 10:35:03,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:35:03,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:35:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:35:03,924 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 10:35:03,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:35:03,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669576048] [2024-12-17 10:35:03,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669576048] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 10:35:03,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 10:35:03,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-17 10:35:03,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908382577] [2024-12-17 10:35:03,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 10:35:03,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-17 10:35:03,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 10:35:03,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-17 10:35:03,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-17 10:35:03,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:03,929 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 10:35:03,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 10:35:03,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:03,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:35:03,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:35:03,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-17 10:35:03,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:04,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:04,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:35:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:35:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 10:35:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 10:35:04,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-17 10:35:04,500 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 10:35:04,500 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:35:04,500 INFO L139 ounterexampleChecker]: Examining path program with hash -953038432, occurence #1 [2024-12-17 10:35:04,500 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:35:04,500 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:35:04,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:35:04,500 INFO L85 PathProgramCache]: Analyzing trace with hash -586542657, now seen corresponding path program 1 times [2024-12-17 10:35:04,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:35:04,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387764948] [2024-12-17 10:35:04,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:35:04,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:35:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:35:05,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:35:05,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:35:05,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387764948] [2024-12-17 10:35:05,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387764948] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 10:35:05,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 10:35:05,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-17 10:35:05,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004874085] [2024-12-17 10:35:05,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 10:35:05,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-17 10:35:05,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 10:35:05,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-17 10:35:05,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-12-17 10:35:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:05,367 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 10:35:05,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 18 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 10:35:05,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:05,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:35:05,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:35:05,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 10:35:05,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 10:35:05,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:35:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:35:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 10:35:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 10:35:06,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 10:35:06,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-17 10:35:06,342 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 10:35:06,342 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:35:06,342 INFO L139 ounterexampleChecker]: Examining path program with hash -95028157, occurence #1 [2024-12-17 10:35:06,342 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:35:06,342 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:35:06,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:35:06,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1911473280, now seen corresponding path program 1 times [2024-12-17 10:35:06,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:35:06,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179393710] [2024-12-17 10:35:06,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:35:06,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:35:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:35:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:35:07,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:35:07,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179393710] [2024-12-17 10:35:07,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179393710] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 10:35:07,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 10:35:07,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-12-17 10:35:07,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819026341] [2024-12-17 10:35:07,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 10:35:07,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-17 10:35:07,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 10:35:07,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-17 10:35:07,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2024-12-17 10:35:07,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:07,493 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 10:35:07,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 24 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 10:35:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:35:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:35:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 10:35:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 10:35:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-17 10:35:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:35:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:35:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 10:35:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 10:35:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 10:35:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 10:35:09,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-17 10:35:09,001 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 10:35:09,001 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:35:09,001 INFO L139 ounterexampleChecker]: Examining path program with hash 1570433827, occurence #1 [2024-12-17 10:35:09,001 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:35:09,001 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:35:09,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:35:09,002 INFO L85 PathProgramCache]: Analyzing trace with hash 891060908, now seen corresponding path program 1 times [2024-12-17 10:35:09,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:35:09,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780892596] [2024-12-17 10:35:09,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:35:09,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:35:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:35:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:35:10,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:35:10,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780892596] [2024-12-17 10:35:10,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780892596] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 10:35:10,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 10:35:10,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-12-17 10:35:10,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95838853] [2024-12-17 10:35:10,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 10:35:10,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-17 10:35:10,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 10:35:10,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-17 10:35:10,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-12-17 10:35:10,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:10,152 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 10:35:10,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 10:35:10,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:10,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:35:10,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:35:10,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 10:35:10,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 10:35:10,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-17 10:35:10,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 10:35:10,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 10:35:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 10:35:11,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 10:35:11,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 10:35:11,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 10:35:11,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 10:35:11,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 10:35:11,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-17 10:35:11,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-17 10:35:11,039 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-17 10:35:11,039 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 10:35:11,039 INFO L139 ounterexampleChecker]: Examining path program with hash -1628799086, occurence #1 [2024-12-17 10:35:11,039 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 10:35:11,040 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 10:35:11,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 10:35:11,040 INFO L85 PathProgramCache]: Analyzing trace with hash 878248986, now seen corresponding path program 1 times [2024-12-17 10:35:11,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 10:35:11,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458293089] [2024-12-17 10:35:11,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:35:11,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 10:35:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:35:12,813 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 10:35:12,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 10:35:12,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458293089] [2024-12-17 10:35:12,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458293089] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 10:35:12,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229151998] [2024-12-17 10:35:12,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 10:35:12,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 10:35:12,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 10:35:12,816 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) [2024-12-17 10:35:12,816 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 [2024-12-17 10:35:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 10:35:13,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-17 10:35:13,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 10:35:13,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 10:35:13,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-17 10:35:13,500 INFO L349 Elim1Store]: treesize reduction 90, result has 30.2 percent of original size [2024-12-17 10:35:13,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 89 [2024-12-17 10:35:13,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-17 10:35:13,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-17 10:35:13,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 10:35:13,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 12 [2024-12-17 10:35:13,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2024-12-17 10:35:13,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2024-12-17 10:35:13,951 INFO L349 Elim1Store]: treesize reduction 48, result has 66.0 percent of original size [2024-12-17 10:35:13,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 89 treesize of output 149 [2024-12-17 10:35:13,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2024-12-17 10:35:15,100 INFO L349 Elim1Store]: treesize reduction 248, result has 61.8 percent of original size [2024-12-17 10:35:15,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 164 treesize of output 492 [2024-12-17 10:44:14,668 WARN L286 SmtUtils]: Spent 1.53m on a formula simplification. DAG size of input: 12153 DAG size of output: 12363 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-17 10:46:44,060 WARN L286 SmtUtils]: Spent 1.49m on a formula simplification. DAG size of input: 12150 DAG size of output: 12169 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-17 10:47:59,521 WARN L286 SmtUtils]: Spent 45.36s on a formula simplification. DAG size of input: 12118 DAG size of output: 8844 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Killed by 15