./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.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-proofs-counter-add-4-semi-Q67.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 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 --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 17:35:41,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 17:35:41,632 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 17:35:41,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 17:35:41,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 17:35:41,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 17:35:41,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 17:35:41,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 17:35:41,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 17:35:41,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 17:35:41,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 17:35:41,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 17:35:41,670 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 17:35:41,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 17:35:41,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 17:35:41,671 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 17:35:41,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 17:35:41,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 17:35:41,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 17:35:41,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 17:35:41,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 17:35:41,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 17:35:41,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 17:35:41,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 17:35:41,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 17:35:41,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 17:35:41,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 17:35:41,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 17:35:41,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 17:35:41,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 17:35:41,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 17:35:41,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 17:35:41,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 17:35:41,676 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 17:35:41,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 17:35:41,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 17:35:41,676 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 17:35:41,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 17:35:41,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 17:35:41,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 17:35:41,677 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 17:35:41,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-18 17:35:41,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 17:35:41,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 17:35:41,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 17:35:41,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 17:35:41,999 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 17:35:42,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-10-18 17:35:43,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 17:35:43,702 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 17:35:43,703 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-10-18 17:35:43,711 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c6bb9fb5c/7c5e744bf2b94e4a9d5dcbd775d6ca57/FLAG76763a2f0 [2024-10-18 17:35:44,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c6bb9fb5c/7c5e744bf2b94e4a9d5dcbd775d6ca57 [2024-10-18 17:35:44,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 17:35:44,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 17:35:44,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 17:35:44,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 17:35:44,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 17:35:44,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143ffe08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44, skipping insertion in model container [2024-10-18 17:35:44,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 17:35:44,334 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-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2024-10-18 17:35:44,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 17:35:44,350 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 17:35:44,371 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-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2024-10-18 17:35:44,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 17:35:44,390 INFO L204 MainTranslator]: Completed translation [2024-10-18 17:35:44,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44 WrapperNode [2024-10-18 17:35:44,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 17:35:44,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 17:35:44,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 17:35:44,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 17:35:44,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,438 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 114 [2024-10-18 17:35:44,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 17:35:44,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 17:35:44,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 17:35:44,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 17:35:44,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 17:35:44,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 17:35:44,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 17:35:44,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 17:35:44,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44" (1/1) ... [2024-10-18 17:35:44,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 17:35:44,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:35:44,540 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 17:35:44,545 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 17:35:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 17:35:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 17:35:44,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 17:35:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 17:35:44,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 17:35:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 17:35:44,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 17:35:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-18 17:35:44,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-18 17:35:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 17:35:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 17:35:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 17:35:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 17:35:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 17:35:44,606 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 17:35:44,736 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 17:35:44,738 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 17:35:45,062 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 17:35:45,063 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 17:35:45,279 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 17:35:45,280 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-18 17:35:45,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:35:45 BoogieIcfgContainer [2024-10-18 17:35:45,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 17:35:45,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 17:35:45,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 17:35:45,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 17:35:45,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 05:35:44" (1/3) ... [2024-10-18 17:35:45,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b152bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:35:45, skipping insertion in model container [2024-10-18 17:35:45,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:35:44" (2/3) ... [2024-10-18 17:35:45,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b152bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:35:45, skipping insertion in model container [2024-10-18 17:35:45,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:35:45" (3/3) ... [2024-10-18 17:35:45,296 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-10-18 17:35:45,314 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 17:35:45,315 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 17:35:45,315 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 17:35:45,380 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-18 17:35:45,420 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 17:35:45,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 17:35:45,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:35:45,422 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 17:35:45,423 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 17:35:45,528 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 17:35:45,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:35:45,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 17:35:45,557 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;@369e99f4, 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 17:35:45,557 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-18 17:35:46,780 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 2 more)] === [2024-10-18 17:35:46,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:35:46,784 INFO L85 PathProgramCache]: Analyzing trace with hash -604330587, now seen corresponding path program 1 times [2024-10-18 17:35:46,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:35:46,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784860986] [2024-10-18 17:35:46,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:35:46,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:35:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:35:47,595 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:35:47,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:35:47,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784860986] [2024-10-18 17:35:47,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784860986] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:35:47,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072736932] [2024-10-18 17:35:47,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:35:47,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:35:47,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:35:47,617 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 17:35:47,620 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 17:35:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:35:47,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 17:35:47,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:35:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 17:35:47,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:35:48,182 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 17:35:48,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072736932] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:35:48,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:35:48,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 18 [2024-10-18 17:35:48,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818841024] [2024-10-18 17:35:48,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:35:48,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-18 17:35:48,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:35:48,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-18 17:35:48,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-10-18 17:35:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:35:48,312 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:35:48,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.052631578947368) internal successors, (96), 18 states have internal predecessors, (96), 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 17:35:48,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:35:49,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:35:49,367 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 17:35:49,551 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,SelfDestructingSolverStorable0 [2024-10-18 17:35:49,552 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 2 more)] === [2024-10-18 17:35:49,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:35:49,553 INFO L85 PathProgramCache]: Analyzing trace with hash -791974385, now seen corresponding path program 2 times [2024-10-18 17:35:49,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:35:49,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21397896] [2024-10-18 17:35:49,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:35:49,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:35:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:35:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 85 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-18 17:35:49,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:35:49,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21397896] [2024-10-18 17:35:49,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21397896] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:35:49,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938673978] [2024-10-18 17:35:49,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 17:35:49,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:35:49,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:35:49,959 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 17:35:49,961 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 17:35:50,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 17:35:50,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:35:50,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-18 17:35:50,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:35:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 59 proven. 60 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 17:35:50,487 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:35:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 59 proven. 60 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 17:35:50,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938673978] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:35:50,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:35:50,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 11] total 26 [2024-10-18 17:35:50,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274968463] [2024-10-18 17:35:50,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:35:50,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-18 17:35:50,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:35:50,984 INFO L85 PathProgramCache]: Analyzing trace with hash 122539391, now seen corresponding path program 1 times [2024-10-18 17:35:50,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:35:50,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:35:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:35:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-18 17:35:51,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:35:51,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:35:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:35:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-18 17:35:51,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-18 17:35:51,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=724, Unknown=0, NotChecked=0, Total=870 [2024-10-18 17:35:51,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:35:51,268 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:35:51,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.481481481481482) internal successors, (148), 26 states have internal predecessors, (148), 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 17:35:51,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:35:51,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:35:53,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:35:53,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-10-18 17:35:53,850 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 17:35:54,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:35:54,038 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 2 more)] === [2024-10-18 17:35:54,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:35:54,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1267116445, now seen corresponding path program 3 times [2024-10-18 17:35:54,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:35:54,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616027095] [2024-10-18 17:35:54,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:35:54,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:35:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:35:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 241 proven. 171 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-10-18 17:35:55,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:35:55,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616027095] [2024-10-18 17:35:55,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616027095] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:35:55,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491016509] [2024-10-18 17:35:55,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 17:35:55,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:35:55,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:35:55,224 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 17:35:55,226 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 17:35:55,376 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-10-18 17:35:55,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:35:55,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-18 17:35:55,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:35:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 89 proven. 742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:35:56,365 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:35:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 358 proven. 473 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:35:57,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491016509] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:35:57,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:35:57,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 30, 30] total 63 [2024-10-18 17:35:57,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619528190] [2024-10-18 17:35:57,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:35:57,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-10-18 17:35:57,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:35:57,704 INFO L85 PathProgramCache]: Analyzing trace with hash 106898896, now seen corresponding path program 1 times [2024-10-18 17:35:57,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:35:57,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:35:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:35:57,892 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 110 proven. 1 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2024-10-18 17:35:57,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:35:57,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:35:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:35:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 110 proven. 1 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2024-10-18 17:35:58,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-10-18 17:35:58,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1056, Invalid=3366, Unknown=0, NotChecked=0, Total=4422 [2024-10-18 17:35:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:35:58,072 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:35:58,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 4.765625) internal successors, (305), 63 states have internal predecessors, (305), 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 17:35:58,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:35:58,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-10-18 17:35:58,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:36:04,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:36:04,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-10-18 17:36:04,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-10-18 17:36:04,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-18 17:36:05,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:36:05,048 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 2 more)] === [2024-10-18 17:36:05,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:36:05,049 INFO L85 PathProgramCache]: Analyzing trace with hash 760638567, now seen corresponding path program 4 times [2024-10-18 17:36:05,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:36:05,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662575722] [2024-10-18 17:36:05,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:05,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:08,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 191 proven. 886 refuted. 0 times theorem prover too weak. 2754 trivial. 0 not checked. [2024-10-18 17:36:08,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:36:08,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662575722] [2024-10-18 17:36:08,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662575722] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:36:08,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275954891] [2024-10-18 17:36:08,922 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 17:36:08,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:36:08,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:36:08,924 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 17:36:08,925 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 17:36:09,160 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 17:36:09,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:36:09,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-10-18 17:36:09,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:36:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 191 proven. 830 refuted. 0 times theorem prover too weak. 2810 trivial. 0 not checked. [2024-10-18 17:36:09,608 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:36:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 191 proven. 830 refuted. 0 times theorem prover too weak. 2810 trivial. 0 not checked. [2024-10-18 17:36:10,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275954891] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:36:10,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:36:10,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2024-10-18 17:36:10,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288197012] [2024-10-18 17:36:10,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:36:10,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 17:36:10,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:36:10,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1574387217, now seen corresponding path program 1 times [2024-10-18 17:36:10,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:10,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 5956 backedges. 290 proven. 1 refuted. 0 times theorem prover too weak. 5665 trivial. 0 not checked. [2024-10-18 17:36:10,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:10,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 5956 backedges. 290 proven. 1 refuted. 0 times theorem prover too weak. 5665 trivial. 0 not checked. [2024-10-18 17:36:11,049 INFO L85 PathProgramCache]: Analyzing trace with hash 663884023, now seen corresponding path program 1 times [2024-10-18 17:36:11,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:11,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:12,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6607 backedges. 851 proven. 1706 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked. [2024-10-18 17:36:12,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:12,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6607 backedges. 851 proven. 1706 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked. [2024-10-18 17:36:14,063 INFO L85 PathProgramCache]: Analyzing trace with hash -558258667, now seen corresponding path program 1 times [2024-10-18 17:36:14,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:14,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6611 backedges. 854 proven. 1706 refuted. 0 times theorem prover too weak. 4051 trivial. 0 not checked. [2024-10-18 17:36:15,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:15,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:16,842 INFO L134 CoverageAnalysis]: Checked inductivity of 6611 backedges. 854 proven. 1706 refuted. 0 times theorem prover too weak. 4051 trivial. 0 not checked. [2024-10-18 17:36:16,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1426147158, now seen corresponding path program 1 times [2024-10-18 17:36:16,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:16,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6619 backedges. 1116 proven. 2078 refuted. 0 times theorem prover too weak. 3425 trivial. 0 not checked. [2024-10-18 17:36:18,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:18,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:19,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6619 backedges. 1116 proven. 2078 refuted. 0 times theorem prover too weak. 3425 trivial. 0 not checked. [2024-10-18 17:36:19,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 17:36:19,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2024-10-18 17:36:19,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:36:19,654 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:36:19,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 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 17:36:19,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:36:19,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-10-18 17:36:19,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-10-18 17:36:19,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:36:19,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:36:19,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-10-18 17:36:19,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-10-18 17:36:19,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:36:19,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 17:36:20,069 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,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-10-18 17:36:20,070 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 2 more)] === [2024-10-18 17:36:20,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:36:20,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1783968291, now seen corresponding path program 5 times [2024-10-18 17:36:20,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:36:20,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736954149] [2024-10-18 17:36:20,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:20,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:22,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3703 backedges. 443 proven. 1025 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2024-10-18 17:36:22,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:36:22,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736954149] [2024-10-18 17:36:22,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736954149] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:36:22,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740135144] [2024-10-18 17:36:22,087 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 17:36:22,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:36:22,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:36:22,090 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 17:36:22,091 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 17:36:22,285 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-10-18 17:36:22,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:36:22,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-10-18 17:36:22,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:36:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3703 backedges. 197 proven. 3504 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 17:36:24,675 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:36:28,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3703 backedges. 325 proven. 3376 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 17:36:28,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740135144] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:36:28,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:36:28,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 66, 66] total 144 [2024-10-18 17:36:28,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220077669] [2024-10-18 17:36:28,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:36:28,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-10-18 17:36:28,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:36:29,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1574387193, now seen corresponding path program 1 times [2024-10-18 17:36:29,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:29,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5956 backedges. 290 proven. 1 refuted. 0 times theorem prover too weak. 5665 trivial. 0 not checked. [2024-10-18 17:36:29,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:29,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5956 backedges. 290 proven. 1 refuted. 0 times theorem prover too weak. 5665 trivial. 0 not checked. [2024-10-18 17:36:29,582 INFO L85 PathProgramCache]: Analyzing trace with hash 663884047, now seen corresponding path program 1 times [2024-10-18 17:36:29,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:29,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:30,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6607 backedges. 851 proven. 1706 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked. [2024-10-18 17:36:30,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:30,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6607 backedges. 851 proven. 1706 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked. [2024-10-18 17:36:31,966 INFO L85 PathProgramCache]: Analyzing trace with hash -558258643, now seen corresponding path program 1 times [2024-10-18 17:36:31,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:31,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 6611 backedges. 854 proven. 1706 refuted. 0 times theorem prover too weak. 4051 trivial. 0 not checked. [2024-10-18 17:36:32,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:36:32,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:36:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:36:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6611 backedges. 854 proven. 1706 refuted. 0 times theorem prover too weak. 4051 trivial. 0 not checked. [2024-10-18 17:36:33,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-10-18 17:36:33,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4718, Invalid=19462, Unknown=0, NotChecked=0, Total=24180 [2024-10-18 17:36:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:36:33,692 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:36:33,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 3.9655172413793105) internal successors, (575), 144 states have internal predecessors, (575), 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 17:36:33,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:36:33,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-10-18 17:36:33,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-10-18 17:36:33,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:36:33,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:37:20,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:37:20,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-10-18 17:37:20,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 17:37:20,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:37:20,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 341 states. [2024-10-18 17:37:20,742 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 17:37:20,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 17:37:20,929 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 2 more)] === [2024-10-18 17:37:20,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:37:20,929 INFO L85 PathProgramCache]: Analyzing trace with hash 771338649, now seen corresponding path program 6 times [2024-10-18 17:37:20,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:37:20,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530218185] [2024-10-18 17:37:20,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:37:20,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:37:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:37:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12681 backedges. 173 proven. 499 refuted. 0 times theorem prover too weak. 12009 trivial. 0 not checked. [2024-10-18 17:37:24,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:37:24,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530218185] [2024-10-18 17:37:24,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530218185] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:37:24,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977843218] [2024-10-18 17:37:24,646 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 17:37:24,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:37:24,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:37:24,648 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 17:37:24,651 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 17:37:25,043 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 55 check-sat command(s) [2024-10-18 17:37:25,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:37:25,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-10-18 17:37:25,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:37:29,750 INFO L134 CoverageAnalysis]: Checked inductivity of 12681 backedges. 173 proven. 12508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:37:29,750 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:37:35,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12681 backedges. 230 proven. 12451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:37:35,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977843218] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:37:35,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:37:35,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 117, 117] total 237 [2024-10-18 17:37:35,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726741622] [2024-10-18 17:37:35,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:37:35,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 238 states [2024-10-18 17:37:35,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:37:37,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 238 interpolants. [2024-10-18 17:37:37,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11373, Invalid=45033, Unknown=0, NotChecked=0, Total=56406 [2024-10-18 17:37:37,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:37:37,049 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:37:37,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 238 states, 238 states have (on average 4.067226890756302) internal successors, (968), 237 states have internal predecessors, (968), 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 17:37:37,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:37:37,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-10-18 17:37:37,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 17:37:37,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:37:37,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 341 states. [2024-10-18 17:37:37,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:38:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:38:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-10-18 17:38:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 17:38:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:38:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-10-18 17:38:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2024-10-18 17:38:47,541 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 17:38:47,727 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,SelfDestructingSolverStorable23 [2024-10-18 17:38:47,727 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 2 more)] === [2024-10-18 17:38:47,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:38:47,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1765436419, now seen corresponding path program 7 times [2024-10-18 17:38:47,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:38:47,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657035587] [2024-10-18 17:38:47,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:38:47,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:38:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:38:52,558 INFO L134 CoverageAnalysis]: Checked inductivity of 16801 backedges. 133 proven. 512 refuted. 0 times theorem prover too weak. 16156 trivial. 0 not checked. [2024-10-18 17:38:52,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:38:52,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657035587] [2024-10-18 17:38:52,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657035587] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:38:52,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397788763] [2024-10-18 17:38:52,559 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 17:38:52,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:38:52,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:38:52,561 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 17:38:52,563 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 17:38:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:38:52,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 1592 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-10-18 17:38:52,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:38:58,869 INFO L134 CoverageAnalysis]: Checked inductivity of 16801 backedges. 133 proven. 16668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:38:58,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:39:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 16801 backedges. 133 proven. 16668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 17:39:06,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397788763] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:39:06,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:39:06,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 135, 135] total 273 [2024-10-18 17:39:06,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059255820] [2024-10-18 17:39:06,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:39:06,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 274 states [2024-10-18 17:39:06,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:39:07,492 INFO L85 PathProgramCache]: Analyzing trace with hash -335581178, now seen corresponding path program 1 times [2024-10-18 17:39:07,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:39:07,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:39:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:39:07,958 INFO L134 CoverageAnalysis]: Checked inductivity of 34108 backedges. 698 proven. 1 refuted. 0 times theorem prover too weak. 33409 trivial. 0 not checked. [2024-10-18 17:39:07,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:39:07,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:39:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:39:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 34108 backedges. 698 proven. 1 refuted. 0 times theorem prover too weak. 33409 trivial. 0 not checked. [2024-10-18 17:39:08,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 274 interpolants. [2024-10-18 17:39:08,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14692, Invalid=61760, Unknown=0, NotChecked=0, Total=76452 [2024-10-18 17:39:08,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:39:08,453 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:39:08,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 274 states, 274 states have (on average 4.025547445255475) internal successors, (1103), 273 states have internal predecessors, (1103), 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 17:39:08,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:39:08,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-10-18 17:39:08,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 17:39:08,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:39:08,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-10-18 17:39:08,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2024-10-18 17:39:08,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:40:53,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:40:53,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-10-18 17:40:53,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 17:40:53,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:40:53,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-10-18 17:40:53,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2024-10-18 17:40:53,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-10-18 17:40:53,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-18 17:40:53,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:40:53,339 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 2 more)] === [2024-10-18 17:40:53,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:40:53,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1004413781, now seen corresponding path program 8 times [2024-10-18 17:40:53,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:40:53,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473144575] [2024-10-18 17:40:53,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:40:53,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:40:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:41:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 22244 backedges. 231 proven. 1109 refuted. 0 times theorem prover too weak. 20904 trivial. 0 not checked. [2024-10-18 17:41:04,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 17:41:04,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473144575] [2024-10-18 17:41:04,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473144575] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 17:41:04,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702583017] [2024-10-18 17:41:04,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 17:41:04,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 17:41:04,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 17:41:04,466 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 17:41:04,467 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 17:41:04,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 17:41:04,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 17:41:04,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 155 conjuncts are in the unsatisfiable core [2024-10-18 17:41:04,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 17:41:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 22244 backedges. 677 proven. 21561 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 17:41:12,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 17:41:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 22244 backedges. 752 proven. 21486 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 17:41:30,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702583017] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 17:41:30,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 17:41:30,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 153, 153] total 315 [2024-10-18 17:41:30,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058158525] [2024-10-18 17:41:30,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 17:41:30,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 316 states [2024-10-18 17:41:30,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 17:41:32,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1470846787, now seen corresponding path program 1 times [2024-10-18 17:41:32,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:41:32,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:41:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:41:33,002 INFO L134 CoverageAnalysis]: Checked inductivity of 45430 backedges. 806 proven. 1 refuted. 0 times theorem prover too weak. 44623 trivial. 0 not checked. [2024-10-18 17:41:33,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:41:33,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 17:41:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 17:41:33,330 INFO L134 CoverageAnalysis]: Checked inductivity of 45430 backedges. 806 proven. 1 refuted. 0 times theorem prover too weak. 44623 trivial. 0 not checked. [2024-10-18 17:41:33,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 316 interpolants. [2024-10-18 17:41:33,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18356, Invalid=83086, Unknown=0, NotChecked=0, Total=101442 [2024-10-18 17:41:33,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:41:33,492 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 17:41:33,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 316 states, 316 states have (on average 3.9936708860759493) internal successors, (1262), 315 states have internal predecessors, (1262), 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 17:41:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 17:41:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-10-18 17:41:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-10-18 17:41:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:41:33,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-10-18 17:41:33,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2024-10-18 17:41:33,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2024-10-18 17:41:33,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 17:48:45,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-18 17:48:45,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-10-18 17:48:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-10-18 17:48:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 17:48:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2024-10-18 17:48:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2024-10-18 17:48:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-10-18 17:48:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 992 states. [2024-10-18 17:48:45,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-18 17:48:45,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-18 17:48:45,817 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 2 more)] === [2024-10-18 17:48:45,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 17:48:45,818 INFO L85 PathProgramCache]: Analyzing trace with hash -871179861, now seen corresponding path program 9 times [2024-10-18 17:48:45,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 17:48:45,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616653582] [2024-10-18 17:48:45,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 17:48:45,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Killed by 15