./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 17:11:07,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 17:11:07,198 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 17:11:07,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 17:11:07,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 17:11:07,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 17:11:07,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 17:11:07,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 17:11:07,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 17:11:07,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 17:11:07,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 17:11:07,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 17:11:07,231 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 17:11:07,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 17:11:07,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 17:11:07,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 17:11:07,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 17:11:07,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 17:11:07,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 17:11:07,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 17:11:07,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 17:11:07,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 17:11:07,234 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 17:11:07,234 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 17:11:07,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 17:11:07,235 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 17:11:07,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 17:11:07,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 17:11:07,235 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 17:11:07,235 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 17:11:07,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 17:11:07,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 17:11:07,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 17:11:07,236 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 17:11:07,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 17:11:07,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 17:11:07,236 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 17:11:07,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 17:11:07,236 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 17:11:07,237 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 17:11:07,237 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 17:11:07,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-18 17:11:07,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 17:11:07,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 17:11:07,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 17:11:07,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 17:11:07,428 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 17:11:07,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2024-10-18 17:11:08,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 17:11:08,779 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 17:11:08,779 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2024-10-18 17:11:08,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a122d5cc7/2b993144a6c4425fae1cb10f03bd432c/FLAG1a85ebc2a [2024-10-18 17:11:08,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a122d5cc7/2b993144a6c4425fae1cb10f03bd432c [2024-10-18 17:11:08,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 17:11:08,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 17:11:08,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 17:11:08,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 17:11:08,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 17:11:08,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:11:08" (1/1) ... [2024-10-18 17:11:08,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4276d9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:08, skipping insertion in model container [2024-10-18 17:11:08,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:11:08" (1/1) ... [2024-10-18 17:11:08,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 17:11:08,988 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c[3463,3476] [2024-10-18 17:11:08,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 17:11:09,002 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 17:11:09,020 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c[3463,3476] [2024-10-18 17:11:09,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 17:11:09,034 INFO L204 MainTranslator]: Completed translation [2024-10-18 17:11:09,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09 WrapperNode [2024-10-18 17:11:09,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 17:11:09,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 17:11:09,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 17:11:09,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 17:11:09,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09" (1/1) ... [2024-10-18 17:11:09,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09" (1/1) ... [2024-10-18 17:11:09,079 INFO L138 Inliner]: procedures = 24, calls = 40, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 239 [2024-10-18 17:11:09,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 17:11:09,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 17:11:09,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 17:11:09,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 17:11:09,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09" (1/1) ... [2024-10-18 17:11:09,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09" (1/1) ... [2024-10-18 17:11:09,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09" (1/1) ... [2024-10-18 17:11:09,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09" (1/1) ... [2024-10-18 17:11:09,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09" (1/1) ... [2024-10-18 17:11:09,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09" (1/1) ... [2024-10-18 17:11:09,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09" (1/1) ... [2024-10-18 17:11:09,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09" (1/1) ... [2024-10-18 17:11:09,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 17:11:09,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 17:11:09,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 17:11:09,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 17:11:09,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09" (1/1) ... [2024-10-18 17:11:09,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 17:11:09,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:11:09,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 17:11:09,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 17:11:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 17:11:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 17:11:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 17:11:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 17:11:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 17:11:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 17:11:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 17:11:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 17:11:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 17:11:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 17:11:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 17:11:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 17:11:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 17:11:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 17:11:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 17:11:09,198 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 17:11:09,304 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 17:11:09,306 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 17:11:09,605 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 17:11:09,606 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 17:11:09,861 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 17:11:09,862 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-18 17:11:09,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:11:09 BoogieIcfgContainer [2024-10-18 17:11:09,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 17:11:09,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 17:11:09,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 17:11:09,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 17:11:09,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 05:11:08" (1/3) ... [2024-10-18 17:11:09,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5356ef7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:11:09, skipping insertion in model container [2024-10-18 17:11:09,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:11:09" (2/3) ... [2024-10-18 17:11:09,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5356ef7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:11:09, skipping insertion in model container [2024-10-18 17:11:09,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:11:09" (3/3) ... [2024-10-18 17:11:09,870 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-horseshoe.wvr.c [2024-10-18 17:11:09,884 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 17:11:09,884 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 17:11:09,884 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 17:11:09,928 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 17:11:09,963 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 17:11:09,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 17:11:09,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:11:09,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 17:11:09,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 17:11:10,074 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 17:11:10,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:11:10,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 17:11:10,116 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;@782bbf0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 17:11:10,116 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 17:11:10,657 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 17:11:10,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:11:10,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1977988543, now seen corresponding path program 1 times [2024-10-18 17:11:10,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:11:10,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135605299] [2024-10-18 17:11:10,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:10,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:11:11,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:11:11,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135605299] [2024-10-18 17:11:11,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135605299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 17:11:11,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 17:11:11,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 17:11:11,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092738718] [2024-10-18 17:11:11,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 17:11:11,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 17:11:11,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:11:11,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 17:11:11,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 17:11:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:11,120 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:11:11,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:11:11,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:11,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:11,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 17:11:11,209 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 17:11:11,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:11:11,210 INFO L85 PathProgramCache]: Analyzing trace with hash 520712243, now seen corresponding path program 1 times [2024-10-18 17:11:11,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:11:11,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734044613] [2024-10-18 17:11:11,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:11,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 17:11:11,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:11:11,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734044613] [2024-10-18 17:11:11,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734044613] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 17:11:11,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 17:11:11,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 17:11:11,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423743512] [2024-10-18 17:11:11,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 17:11:11,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 17:11:11,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:11:11,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 17:11:11,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 17:11:11,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:11,368 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:11:11,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:11:11,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:11,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:11,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 17:11:11,458 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 17:11:11,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:11:11,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1114007446, now seen corresponding path program 1 times [2024-10-18 17:11:11,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:11:11,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716051866] [2024-10-18 17:11:11,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:11,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:11,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 17:11:11,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:11:11,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716051866] [2024-10-18 17:11:11,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716051866] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:11:11,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539051510] [2024-10-18 17:11:11,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:11,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:11:11,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:11:11,660 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:11:11,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 17:11:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:11,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 17:11:11,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:11:11,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 17:11:11,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:11:12,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 17:11:12,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539051510] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:11:12,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:11:12,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-18 17:11:12,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486851810] [2024-10-18 17:11:12,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:11:12,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 17:11:12,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:11:12,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 17:11:12,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-18 17:11:12,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:12,021 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:11:12,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:11:12,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:12,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:12,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:12,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:12,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:12,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:12,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-18 17:11:12,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-18 17:11:12,378 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 17:11:12,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:11:12,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1397193250, now seen corresponding path program 2 times [2024-10-18 17:11:12,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:11:12,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844119772] [2024-10-18 17:11:12,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:12,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 17:11:12,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:11:12,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844119772] [2024-10-18 17:11:12,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844119772] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:11:12,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554441487] [2024-10-18 17:11:12,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 17:11:12,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:11:12,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:11:12,859 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:11:12,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 17:11:12,944 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 17:11:12,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:11:12,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-18 17:11:12,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:11:13,090 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 23 treesize of output 1 [2024-10-18 17:11:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:11:13,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:11:14,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:11:14,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 194 treesize of output 188 [2024-10-18 17:11:14,478 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 17:11:14,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2024-10-18 17:11:14,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:11:14,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 101 [2024-10-18 17:11:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:11:14,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554441487] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:11:14,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:11:14,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 15] total 32 [2024-10-18 17:11:14,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749472516] [2024-10-18 17:11:14,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:11:14,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-18 17:11:14,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:11:14,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-18 17:11:14,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=886, Unknown=0, NotChecked=0, Total=1056 [2024-10-18 17:11:14,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:14,795 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:11:14,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.1515151515151514) internal successors, (104), 32 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:11:14,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:14,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:14,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:14,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:15,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:15,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:15,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:15,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:11:15,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-18 17:11:15,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:11:15,873 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 17:11:15,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:11:15,873 INFO L85 PathProgramCache]: Analyzing trace with hash 2135422848, now seen corresponding path program 3 times [2024-10-18 17:11:15,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:11:15,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875971547] [2024-10-18 17:11:15,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:15,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 17:11:16,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:11:16,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875971547] [2024-10-18 17:11:16,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875971547] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:11:16,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492655127] [2024-10-18 17:11:16,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 17:11:16,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:11:16,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:11:16,957 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:11:16,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 17:11:17,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 17:11:17,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:11:17,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-18 17:11:17,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:11:17,169 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 15 treesize of output 1 [2024-10-18 17:11:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-18 17:11:17,519 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:11:18,174 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:11:18,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 194 treesize of output 188 [2024-10-18 17:11:18,224 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 17:11:18,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2024-10-18 17:11:18,264 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:11:18,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 101 [2024-10-18 17:11:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 17:11:18,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492655127] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:11:18,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:11:18,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 12] total 33 [2024-10-18 17:11:18,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234493000] [2024-10-18 17:11:18,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:11:18,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-18 17:11:18,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:11:18,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-18 17:11:18,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=979, Unknown=0, NotChecked=0, Total=1122 [2024-10-18 17:11:18,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:18,395 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:11:18,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.411764705882353) internal successors, (116), 33 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:11:18,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:18,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:18,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:18,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:11:18,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:19,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:19,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:11:19,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:11:19,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-18 17:11:19,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:11:19,579 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 17:11:19,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:11:19,579 INFO L85 PathProgramCache]: Analyzing trace with hash 108375667, now seen corresponding path program 1 times [2024-10-18 17:11:19,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:11:19,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862868188] [2024-10-18 17:11:19,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:19,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:19,677 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-18 17:11:19,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:11:19,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862868188] [2024-10-18 17:11:19,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862868188] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 17:11:19,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 17:11:19,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 17:11:19,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323031166] [2024-10-18 17:11:19,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 17:11:19,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 17:11:19,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:11:19,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 17:11:19,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-18 17:11:19,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:19,685 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:11:19,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:11:19,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:19,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:19,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:19,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:11:19,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:11:19,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:11:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:11:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:19,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-18 17:11:19,821 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 17:11:19,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:11:19,821 INFO L85 PathProgramCache]: Analyzing trace with hash -260148482, now seen corresponding path program 1 times [2024-10-18 17:11:19,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:11:19,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056544556] [2024-10-18 17:11:19,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:19,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:11:22,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:11:22,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056544556] [2024-10-18 17:11:22,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056544556] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:11:22,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680410328] [2024-10-18 17:11:22,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:22,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:11:22,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:11:22,011 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:11:22,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 17:11:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:22,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-18 17:11:22,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:11:22,587 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:11:22,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 30 [2024-10-18 17:11:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 17:11:22,631 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:11:22,954 INFO L349 Elim1Store]: treesize reduction 4, result has 95.7 percent of original size [2024-10-18 17:11:22,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 101 [2024-10-18 17:11:23,401 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-18 17:11:23,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680410328] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:11:23,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:11:23,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16, 11] total 49 [2024-10-18 17:11:23,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612958885] [2024-10-18 17:11:23,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:11:23,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-18 17:11:23,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:11:23,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-18 17:11:23,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=2215, Unknown=0, NotChecked=0, Total=2450 [2024-10-18 17:11:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:23,411 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:11:23,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.66) internal successors, (133), 49 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:11:23,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:23,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:23,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:23,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:11:23,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:11:23,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:23,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:25,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:25,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:25,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:25,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:11:25,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:11:25,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:25,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 17:11:25,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-18 17:11:26,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-18 17:11:26,182 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 17:11:26,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:11:26,182 INFO L85 PathProgramCache]: Analyzing trace with hash -2102876450, now seen corresponding path program 1 times [2024-10-18 17:11:26,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:11:26,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175524827] [2024-10-18 17:11:26,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:26,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 13 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 17:11:27,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:11:27,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175524827] [2024-10-18 17:11:27,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175524827] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:11:27,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389751318] [2024-10-18 17:11:27,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:27,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:11:27,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:11:27,703 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:11:27,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 17:11:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:27,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-18 17:11:27,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:11:27,991 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 12 treesize of output 3 [2024-10-18 17:11:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:11:28,010 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:11:28,058 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 17:11:28,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-10-18 17:11:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-18 17:11:28,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389751318] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:11:28,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:11:28,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 5] total 28 [2024-10-18 17:11:28,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274762915] [2024-10-18 17:11:28,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:11:28,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-18 17:11:28,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:11:28,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-18 17:11:28,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-10-18 17:11:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:28,106 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:11:28,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.9655172413793105) internal successors, (115), 28 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:11:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 17:11:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:11:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 17:11:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:11:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 17:11:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 17:11:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:11:29,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-18 17:11:29,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:11:29,597 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 17:11:29,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:11:29,597 INFO L85 PathProgramCache]: Analyzing trace with hash -766771962, now seen corresponding path program 2 times [2024-10-18 17:11:29,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:11:29,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959803324] [2024-10-18 17:11:29,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:29,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 57 proven. 146 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:11:29,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:11:29,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959803324] [2024-10-18 17:11:29,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959803324] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:11:29,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565779678] [2024-10-18 17:11:29,994 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 17:11:29,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:11:29,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:11:29,995 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:11:29,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 17:11:30,105 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 17:11:30,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:11:30,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-18 17:11:30,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:11:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 167 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:11:30,530 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:11:30,900 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 138 proven. 65 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 17:11:30,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565779678] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:11:30,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:11:30,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 53 [2024-10-18 17:11:30,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297846825] [2024-10-18 17:11:30,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:11:30,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-18 17:11:30,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:11:31,028 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 12 treesize of output 4 [2024-10-18 17:11:33,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1660420981, now seen corresponding path program 1 times [2024-10-18 17:11:33,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:33,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-18 17:11:33,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:33,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-18 17:11:33,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-10-18 17:11:33,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=2595, Unknown=0, NotChecked=0, Total=3192 [2024-10-18 17:11:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:33,293 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:11:33,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 4.807017543859649) internal successors, (274), 57 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:11:33,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:33,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:33,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:33,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:11:33,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 17:11:33,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:33,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 17:11:33,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:11:33,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:11:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 17:11:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 17:11:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 17:11:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 17:11:34,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 17:11:34,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-10-18 17:11:34,212 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 17:11:34,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:11:34,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1848452285, now seen corresponding path program 3 times [2024-10-18 17:11:34,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:11:34,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212546310] [2024-10-18 17:11:34,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:34,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:11:37,422 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 24 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:11:37,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:11:37,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212546310] [2024-10-18 17:11:37,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212546310] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:11:37,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586276752] [2024-10-18 17:11:37,424 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 17:11:37,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:11:37,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:11:37,427 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:11:37,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 17:11:37,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-18 17:11:37,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:11:37,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-18 17:11:37,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:11:37,930 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 19 treesize of output 1 [2024-10-18 17:11:38,145 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:11:38,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 30 [2024-10-18 17:11:38,173 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 44 proven. 51 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-10-18 17:11:38,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:11:52,469 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:11:52,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 159 treesize of output 157 [2024-10-18 17:11:52,501 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:11:52,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2024-10-18 17:11:52,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 17:11:52,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 80 [2024-10-18 17:11:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 44 proven. 16 refuted. 2 times theorem prover too weak. 80 trivial. 0 not checked. [2024-10-18 17:11:52,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586276752] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:11:52,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:11:52,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 14, 12] total 55 [2024-10-18 17:11:52,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576082235] [2024-10-18 17:11:52,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:11:52,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-10-18 17:11:52,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:11:52,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-10-18 17:11:52,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=2807, Unknown=7, NotChecked=0, Total=3080 [2024-10-18 17:11:52,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:52,643 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:11:52,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.0892857142857144) internal successors, (173), 55 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:11:52,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:52,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:52,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:52,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:11:52,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 17:11:52,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:52,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 17:11:52,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 17:11:52,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 17:11:52,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:11:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:11:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:11:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:11:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 17:11:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:11:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 17:11:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 17:11:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 17:11:54,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-18 17:11:54,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-18 17:11:54,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:11:54,756 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 17:11:54,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:11:54,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1675968779, now seen corresponding path program 4 times [2024-10-18 17:11:54,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:11:54,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393298655] [2024-10-18 17:11:54,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:11:54,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:11:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:12:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:12:09,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:12:09,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393298655] [2024-10-18 17:12:09,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393298655] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:12:09,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450891367] [2024-10-18 17:12:09,445 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 17:12:09,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:12:09,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:12:09,447 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 17:12:09,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 17:12:09,583 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 17:12:09,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:12:09,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-10-18 17:12:09,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:12:12,597 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 17:12:12,597 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:12:16,127 INFO L349 Elim1Store]: treesize reduction 218, result has 75.1 percent of original size [2024-10-18 17:12:16,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 217 treesize of output 719 [2024-10-18 17:12:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-10-18 17:12:42,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450891367] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:12:42,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:12:42,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 30, 23] total 93 [2024-10-18 17:12:42,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079426905] [2024-10-18 17:12:42,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:12:42,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-10-18 17:12:42,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:12:42,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-10-18 17:12:42,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=574, Invalid=8168, Unknown=0, NotChecked=0, Total=8742 [2024-10-18 17:12:42,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:12:42,879 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:12:42,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 2.0638297872340425) internal successors, (194), 93 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 17:12:42,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:12:42,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:12:42,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:12:42,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:12:42,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 17:12:42,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:12:42,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 17:12:42,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 17:12:42,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 17:12:42,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-18 17:12:42,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:12:57,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:12:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 17:12:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:12:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 17:12:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 17:12:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 17:12:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 17:12:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 17:12:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 17:12:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-18 17:12:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-18 17:12:57,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-18 17:12:58,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:12:58,157 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 17:12:58,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:12:58,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1441733443, now seen corresponding path program 5 times [2024-10-18 17:12:58,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:12:58,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123905692] [2024-10-18 17:12:58,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:12:58,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:12:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat