./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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-more-min-array.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 2261d9b3f7623cbd5155b35c39657066d179b87a48a9848bd1f196c713477a75 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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 23:13:58,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 23:13:58,621 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 23:13:58,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 23:13:58,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 23:13:58,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 23:13:58,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 23:13:58,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 23:13:58,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 23:13:58,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 23:13:58,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 23:13:58,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 23:13:58,649 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 23:13:58,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 23:13:58,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 23:13:58,651 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 23:13:58,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 23:13:58,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 23:13:58,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 23:13:58,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 23:13:58,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 23:13:58,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 23:13:58,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 23:13:58,657 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 23:13:58,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 23:13:58,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 23:13:58,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 23:13:58,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 23:13:58,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 23:13:58,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 23:13:58,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 23:13:58,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 23:13:58,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 23:13:58,659 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 23:13:58,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 23:13:58,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 23:13:58,659 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 23:13:58,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 23:13:58,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 23:13:58,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 23:13:58,660 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 23:13:58,660 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 -> 2261d9b3f7623cbd5155b35c39657066d179b87a48a9848bd1f196c713477a75 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 -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 23:13:58,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 23:13:58,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 23:13:58,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 23:13:58,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 23:13:58,882 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 23:13:58,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2024-10-18 23:14:00,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 23:14:00,438 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 23:14:00,438 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2024-10-18 23:14:00,446 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6c9e45536/86bba93a35f34e75b26556fe532dafce/FLAG2613505c4 [2024-10-18 23:14:00,845 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6c9e45536/86bba93a35f34e75b26556fe532dafce [2024-10-18 23:14:00,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 23:14:00,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 23:14:00,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 23:14:00,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 23:14:00,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 23:14:00,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 11:14:00" (1/1) ... [2024-10-18 23:14:00,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b39a7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:00, skipping insertion in model container [2024-10-18 23:14:00,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 11:14:00" (1/1) ... [2024-10-18 23:14:00,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 23:14:01,050 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-more-min-array.wvr.c[2592,2605] [2024-10-18 23:14:01,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 23:14:01,071 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 23:14:01,092 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-more-min-array.wvr.c[2592,2605] [2024-10-18 23:14:01,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 23:14:01,106 INFO L204 MainTranslator]: Completed translation [2024-10-18 23:14:01,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01 WrapperNode [2024-10-18 23:14:01,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 23:14:01,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 23:14:01,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 23:14:01,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 23:14:01,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01" (1/1) ... [2024-10-18 23:14:01,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01" (1/1) ... [2024-10-18 23:14:01,179 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 86 [2024-10-18 23:14:01,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 23:14:01,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 23:14:01,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 23:14:01,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 23:14:01,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01" (1/1) ... [2024-10-18 23:14:01,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01" (1/1) ... [2024-10-18 23:14:01,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01" (1/1) ... [2024-10-18 23:14:01,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01" (1/1) ... [2024-10-18 23:14:01,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01" (1/1) ... [2024-10-18 23:14:01,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01" (1/1) ... [2024-10-18 23:14:01,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01" (1/1) ... [2024-10-18 23:14:01,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01" (1/1) ... [2024-10-18 23:14:01,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 23:14:01,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 23:14:01,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 23:14:01,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 23:14:01,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01" (1/1) ... [2024-10-18 23:14:01,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 23:14:01,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:01,235 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 23:14:01,240 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 23:14:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 23:14:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 23:14:01,289 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 23:14:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 23:14:01,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 23:14:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 23:14:01,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 23:14:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 23:14:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 23:14:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 23:14:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 23:14:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 23:14:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 23:14:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 23:14:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 23:14:01,298 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 23:14:01,378 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 23:14:01,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 23:14:01,562 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 23:14:01,563 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 23:14:01,739 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 23:14:01,740 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-18 23:14:01,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 11:14:01 BoogieIcfgContainer [2024-10-18 23:14:01,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 23:14:01,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 23:14:01,743 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 23:14:01,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 23:14:01,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 11:14:00" (1/3) ... [2024-10-18 23:14:01,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217706bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 11:14:01, skipping insertion in model container [2024-10-18 23:14:01,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 11:14:01" (2/3) ... [2024-10-18 23:14:01,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217706bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 11:14:01, skipping insertion in model container [2024-10-18 23:14:01,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 11:14:01" (3/3) ... [2024-10-18 23:14:01,748 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2024-10-18 23:14:01,761 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 23:14:01,762 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 23:14:01,762 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 23:14:01,801 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 23:14:01,835 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 23:14:01,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 23:14:01,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:01,841 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 23:14:01,843 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 23:14:01,928 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 23:14:01,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:01,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 23:14:01,955 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;@ef3db5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 23:14:01,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 23:14:02,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 23:14:02,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 25 [2024-10-18 23:14:09,085 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 27 DAG size of output: 20 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-18 23:14:09,087 INFO L85 PathProgramCache]: Analyzing trace with hash -937279445, now seen corresponding path program 1 times [2024-10-18 23:14:09,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:09,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:09,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:09,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:09,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:09,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:09,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 23:14:09,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-18 23:14:09,911 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 23:14:09,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2024-10-18 23:14:12,029 INFO L85 PathProgramCache]: Analyzing trace with hash -2139724564, now seen corresponding path program 1 times [2024-10-18 23:14:12,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:12,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:12,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:12,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:12,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 23:14:12,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 31 [2024-10-18 23:14:18,561 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 27 DAG size of output: 21 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-18 23:14:18,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1593544696, now seen corresponding path program 1 times [2024-10-18 23:14:18,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:18,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:18,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:18,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:18,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:18,919 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 23:14:18,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 14 [2024-10-18 23:14:18,926 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 23:14:18,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 13 [2024-10-18 23:14:23,101 INFO L85 PathProgramCache]: Analyzing trace with hash 2129614765, now seen corresponding path program 1 times [2024-10-18 23:14:23,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:23,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:23,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:23,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:23,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:23,494 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 23:14:23,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2024-10-18 23:14:23,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1593591787, now seen corresponding path program 1 times [2024-10-18 23:14:23,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:23,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:23,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:23,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:23,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:23,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:14:23,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:23,681 INFO L85 PathProgramCache]: Analyzing trace with hash -594937579, now seen corresponding path program 1 times [2024-10-18 23:14:23,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:14:23,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527488963] [2024-10-18 23:14:23,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:23,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 23:14:23,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:14:23,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527488963] [2024-10-18 23:14:23,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527488963] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:14:23,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504838286] [2024-10-18 23:14:23,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:23,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:23,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:23,774 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 23:14:23,776 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 23:14:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:23,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 23:14:23,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:14:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 23:14:23,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:14:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 23:14:23,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504838286] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:14:23,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:14:23,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-18 23:14:23,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076812113] [2024-10-18 23:14:23,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:14:24,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-18 23:14:24,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:14:24,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-18 23:14:24,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-18 23:14:24,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:24,004 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:14:24,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 23:14:24,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:24,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:24,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 23:14:24,349 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,SelfDestructingSolverStorable10 [2024-10-18 23:14:24,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:14:24,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:24,351 INFO L85 PathProgramCache]: Analyzing trace with hash 101514709, now seen corresponding path program 2 times [2024-10-18 23:14:24,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:14:24,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868959881] [2024-10-18 23:14:24,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:24,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:24,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 23:14:24,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:14:24,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868959881] [2024-10-18 23:14:24,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868959881] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:14:24,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890221655] [2024-10-18 23:14:24,442 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 23:14:24,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:24,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:24,446 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 23:14:24,447 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 23:14:24,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 23:14:24,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:14:24,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 23:14:24,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:14:24,590 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 23:14:24,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:14:24,659 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 23:14:24,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890221655] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:14:24,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:14:24,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-18 23:14:24,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631066468] [2024-10-18 23:14:24,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:14:24,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-18 23:14:24,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:14:24,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-18 23:14:24,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-10-18 23:14:24,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:24,662 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:14:24,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 13 states have internal predecessors, (67), 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 23:14:24,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:24,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:24,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:24,840 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 23:14:25,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:25,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:14:25,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:25,032 INFO L85 PathProgramCache]: Analyzing trace with hash -809816532, now seen corresponding path program 3 times [2024-10-18 23:14:25,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:14:25,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421339230] [2024-10-18 23:14:25,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:25,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:25,199 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:25,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:14:25,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421339230] [2024-10-18 23:14:25,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421339230] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:14:25,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490193774] [2024-10-18 23:14:25,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 23:14:25,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:25,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:25,202 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 23:14:25,203 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 23:14:25,267 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 23:14:25,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:14:25,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-18 23:14:25,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:14:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:14:25,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:14:25,577 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:14:25,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490193774] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:14:25,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:14:25,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-10-18 23:14:25,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934835505] [2024-10-18 23:14:25,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:14:25,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-18 23:14:25,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:14:25,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-18 23:14:25,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2024-10-18 23:14:25,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:25,579 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:14:25,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.4) internal successors, (110), 24 states have internal predecessors, (110), 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 23:14:25,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:25,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:25,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:25,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:25,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:25,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:25,779 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 23:14:25,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:25,967 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:14:25,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:25,968 INFO L85 PathProgramCache]: Analyzing trace with hash 637507116, now seen corresponding path program 4 times [2024-10-18 23:14:25,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:14:25,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523934687] [2024-10-18 23:14:25,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:25,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:26,098 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-18 23:14:26,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:14:26,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523934687] [2024-10-18 23:14:26,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523934687] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:14:26,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682814851] [2024-10-18 23:14:26,099 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 23:14:26,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:26,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:26,102 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 23:14:26,103 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 23:14:26,166 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 23:14:26,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:14:26,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 23:14:26,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:14:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 23:14:26,366 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:14:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 23:14:26,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682814851] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:14:26,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:14:26,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 25 [2024-10-18 23:14:26,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758035144] [2024-10-18 23:14:26,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:14:26,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-18 23:14:26,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:14:26,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-18 23:14:26,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-10-18 23:14:26,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:26,507 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:14:26,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.56) internal successors, (89), 25 states have internal predecessors, (89), 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 23:14:26,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:26,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:26,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:26,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:27,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-18 23:14:27,515 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,SelfDestructingSolverStorable13 [2024-10-18 23:14:27,515 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:14:27,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:27,515 INFO L85 PathProgramCache]: Analyzing trace with hash -963989801, now seen corresponding path program 5 times [2024-10-18 23:14:27,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:14:27,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846559590] [2024-10-18 23:14:27,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:27,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 108 proven. 28 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 23:14:27,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:14:27,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846559590] [2024-10-18 23:14:27,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846559590] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:14:27,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482359718] [2024-10-18 23:14:27,820 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 23:14:27,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:27,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:27,823 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 23:14:27,824 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 23:14:27,904 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-10-18 23:14:27,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:14:27,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-18 23:14:27,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:14:28,206 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 143 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:14:28,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:14:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 143 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:14:28,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482359718] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:14:28,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:14:28,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 39 [2024-10-18 23:14:28,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405049493] [2024-10-18 23:14:28,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:14:28,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-10-18 23:14:28,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:14:28,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-10-18 23:14:28,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=1235, Unknown=0, NotChecked=0, Total=1560 [2024-10-18 23:14:28,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:28,486 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:14:28,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.85) internal successors, (194), 39 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 23:14:28,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:28,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:28,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:28,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:28,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:28,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:28,648 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 23:14:28,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-18 23:14:28,833 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:14:28,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:28,834 INFO L85 PathProgramCache]: Analyzing trace with hash -137860585, now seen corresponding path program 6 times [2024-10-18 23:14:28,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:14:28,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919436043] [2024-10-18 23:14:28,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:28,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 78 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:29,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:14:29,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919436043] [2024-10-18 23:14:29,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919436043] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:14:29,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266111988] [2024-10-18 23:14:29,340 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 23:14:29,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:29,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:29,345 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 23:14:29,349 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 23:14:29,534 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-10-18 23:14:29,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:14:29,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-18 23:14:29,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:14:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 83 proven. 87 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:30,028 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:14:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 142 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:30,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266111988] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:14:30,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:14:30,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 58 [2024-10-18 23:14:30,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338756351] [2024-10-18 23:14:30,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:14:30,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-10-18 23:14:30,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:14:30,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-10-18 23:14:30,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=640, Invalid=2782, Unknown=0, NotChecked=0, Total=3422 [2024-10-18 23:14:30,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:30,566 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:14:30,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 3.406779661016949) internal successors, (201), 58 states have internal predecessors, (201), 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 23:14:30,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:30,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:30,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:30,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:30,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:30,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:14:30,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-18 23:14:30,938 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,SelfDestructingSolverStorable15 [2024-10-18 23:14:30,938 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:14:30,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:30,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1981087209, now seen corresponding path program 7 times [2024-10-18 23:14:30,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:14:30,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980820855] [2024-10-18 23:14:30,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:30,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 28 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:14:31,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:14:31,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980820855] [2024-10-18 23:14:31,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980820855] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:14:31,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091439010] [2024-10-18 23:14:31,327 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 23:14:31,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:31,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:31,330 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 23:14:31,331 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 23:14:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:31,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-18 23:14:31,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:14:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 96 proven. 91 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:32,061 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:14:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 142 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:32,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091439010] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:14:32,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:14:32,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23, 23] total 62 [2024-10-18 23:14:32,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792278072] [2024-10-18 23:14:32,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:14:32,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-10-18 23:14:32,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:14:32,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-10-18 23:14:32,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=580, Invalid=3326, Unknown=0, NotChecked=0, Total=3906 [2024-10-18 23:14:32,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:32,755 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:14:32,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.4126984126984126) internal successors, (215), 62 states have internal predecessors, (215), 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 23:14:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:14:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:14:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:14:33,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-18 23:14:33,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:33,790 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:14:33,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:33,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1577854633, now seen corresponding path program 8 times [2024-10-18 23:14:33,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:14:33,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727756734] [2024-10-18 23:14:33,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:33,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 385 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:14:34,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:14:34,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727756734] [2024-10-18 23:14:34,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727756734] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:14:34,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504786222] [2024-10-18 23:14:34,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 23:14:34,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:34,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:34,358 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 23:14:34,358 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 23:14:34,449 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 23:14:34,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:14:34,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-18 23:14:34,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:14:35,045 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 308 proven. 83 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-10-18 23:14:35,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:14:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 336 proven. 55 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-10-18 23:14:35,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504786222] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:14:35,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:14:35,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25, 25] total 70 [2024-10-18 23:14:35,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774001683] [2024-10-18 23:14:35,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:14:35,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-10-18 23:14:35,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:14:35,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-10-18 23:14:35,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=899, Invalid=4071, Unknown=0, NotChecked=0, Total=4970 [2024-10-18 23:14:35,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:35,820 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:14:35,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 3.647887323943662) internal successors, (259), 70 states have internal predecessors, (259), 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 23:14:35,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:35,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:35,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:35,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:35,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:35,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:14:35,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:14:35,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:14:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:14:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:14:36,086 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 23:14:36,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-18 23:14:36,275 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:14:36,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:36,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1316426601, now seen corresponding path program 9 times [2024-10-18 23:14:36,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:14:36,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571488748] [2024-10-18 23:14:36,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:36,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:37,038 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 276 proven. 202 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:37,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:14:37,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571488748] [2024-10-18 23:14:37,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571488748] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:14:37,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191710447] [2024-10-18 23:14:37,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 23:14:37,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:37,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:37,041 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:14:37,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-18 23:14:37,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-10-18 23:14:37,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:14:37,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-18 23:14:37,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:14:38,130 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 294 proven. 184 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:38,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:14:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 412 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:39,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191710447] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:14:39,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:14:39,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 27, 27] total 83 [2024-10-18 23:14:39,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344525081] [2024-10-18 23:14:39,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:14:39,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-10-18 23:14:39,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:14:39,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-10-18 23:14:39,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=5891, Unknown=0, NotChecked=0, Total=6972 [2024-10-18 23:14:39,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:39,018 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:14:39,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 3.7738095238095237) internal successors, (317), 83 states have internal predecessors, (317), 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 23:14:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:14:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:14:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:14:39,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:14:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:14:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:14:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:14:39,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-18 23:14:39,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:39,392 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:14:39,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:39,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1802092201, now seen corresponding path program 10 times [2024-10-18 23:14:39,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:14:39,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706504422] [2024-10-18 23:14:39,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:39,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:39,923 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 55 proven. 436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:14:39,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:14:39,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706504422] [2024-10-18 23:14:39,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706504422] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:14:39,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567573745] [2024-10-18 23:14:39,924 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 23:14:39,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:39,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:39,925 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:14:39,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-18 23:14:40,010 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 23:14:40,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:14:40,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-18 23:14:40,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:14:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-18 23:14:41,051 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:14:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 238 proven. 175 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-18 23:14:42,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567573745] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:14:42,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:14:42,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 34, 27] total 82 [2024-10-18 23:14:42,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229444587] [2024-10-18 23:14:42,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:14:42,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-10-18 23:14:42,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:14:42,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-10-18 23:14:42,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=954, Invalid=5688, Unknown=0, NotChecked=0, Total=6642 [2024-10-18 23:14:42,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:42,053 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:14:42,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 3.7804878048780486) internal successors, (310), 82 states have internal predecessors, (310), 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 23:14:42,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:42,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:42,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:42,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:42,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:42,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:14:42,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:14:42,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:14:42,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:14:42,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:46,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:46,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:46,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:46,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:46,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:46,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:14:46,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:14:46,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:14:46,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:14:46,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-18 23:14:46,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-18 23:14:46,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:46,611 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:14:46,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:46,612 INFO L85 PathProgramCache]: Analyzing trace with hash 805703521, now seen corresponding path program 11 times [2024-10-18 23:14:46,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:14:46,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436759762] [2024-10-18 23:14:46,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:46,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:49,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1356 backedges. 987 proven. 369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:14:49,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:14:49,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436759762] [2024-10-18 23:14:49,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436759762] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:14:49,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561749874] [2024-10-18 23:14:49,198 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 23:14:49,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:49,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:49,199 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:14:49,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-18 23:14:49,881 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-10-18 23:14:49,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:14:49,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-18 23:14:49,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:14:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1356 backedges. 1176 proven. 78 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-10-18 23:14:51,047 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:14:52,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1356 backedges. 1176 proven. 78 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-10-18 23:14:52,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561749874] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:14:52,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:14:52,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 28, 28] total 120 [2024-10-18 23:14:52,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535491041] [2024-10-18 23:14:52,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:14:52,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-10-18 23:14:52,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:14:52,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-10-18 23:14:52,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2239, Invalid=12281, Unknown=0, NotChecked=0, Total=14520 [2024-10-18 23:14:52,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:52,263 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:14:52,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 3.7520661157024793) internal successors, (454), 120 states have internal predecessors, (454), 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 23:14:52,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:52,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:52,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:52,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:52,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:52,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:14:52,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:14:52,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:14:52,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:14:52,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-18 23:14:52,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:14:52,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:14:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:14:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:14:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:14:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:14:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:14:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:14:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:14:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:14:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-18 23:14:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:14:52,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-18 23:14:52,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-18 23:14:52,681 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:14:52,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:14:52,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1490713951, now seen corresponding path program 12 times [2024-10-18 23:14:52,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:14:52,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895898101] [2024-10-18 23:14:52,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:14:52,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:14:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:14:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 987 proven. 382 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:14:55,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:14:55,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895898101] [2024-10-18 23:14:55,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895898101] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:14:55,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769728590] [2024-10-18 23:14:55,181 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 23:14:55,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:14:55,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:14:55,186 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:14:55,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-18 23:14:57,104 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-10-18 23:14:57,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:14:57,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-10-18 23:14:57,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:14:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 871 proven. 497 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:14:58,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:15:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 1277 proven. 91 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:15:00,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769728590] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:15:00,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:15:00,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 38, 38] total 142 [2024-10-18 23:15:00,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298230821] [2024-10-18 23:15:00,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:15:00,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2024-10-18 23:15:00,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:15:00,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2024-10-18 23:15:00,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3092, Invalid=17214, Unknown=0, NotChecked=0, Total=20306 [2024-10-18 23:15:00,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:15:00,835 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:15:00,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 3.727272727272727) internal successors, (533), 142 states have internal predecessors, (533), 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 23:15:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:15:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:15:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:15:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:15:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:15:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:15:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:15:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:15:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:15:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-18 23:15:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:15:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:15:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:15:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:15:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:15:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:15:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:15:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:15:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:15:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:15:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:15:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-10-18 23:15:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:15:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:15:01,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-18 23:15:01,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-18 23:15:01,337 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:15:01,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:15:01,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1526996319, now seen corresponding path program 13 times [2024-10-18 23:15:01,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:15:01,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857583817] [2024-10-18 23:15:01,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:15:01,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:15:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:15:02,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1509 backedges. 190 proven. 1319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:15:02,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:15:02,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857583817] [2024-10-18 23:15:02,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857583817] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:15:02,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791112161] [2024-10-18 23:15:02,623 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 23:15:02,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:15:02,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:15:02,624 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:15:02,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-18 23:15:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:15:02,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-10-18 23:15:02,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:15:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1509 backedges. 1080 proven. 261 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-10-18 23:15:04,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:15:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1509 backedges. 1110 proven. 231 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-10-18 23:15:06,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791112161] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:15:06,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:15:07,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 47, 47] total 133 [2024-10-18 23:15:07,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238603097] [2024-10-18 23:15:07,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:15:07,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2024-10-18 23:15:07,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:15:07,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2024-10-18 23:15:07,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2630, Invalid=15192, Unknown=0, NotChecked=0, Total=17822 [2024-10-18 23:15:07,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:15:07,003 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:15:07,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 3.425373134328358) internal successors, (459), 133 states have internal predecessors, (459), 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 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-10-18 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:15:07,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:15:09,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:15:09,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:15:09,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:15:09,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:15:09,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:15:09,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:15:09,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:15:09,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:15:09,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:15:09,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:15:09,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:15:09,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:15:09,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:15:09,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-18 23:15:09,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:15:09,422 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:15:09,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:15:09,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1531383217, now seen corresponding path program 14 times [2024-10-18 23:15:09,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:15:09,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674017144] [2024-10-18 23:15:09,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:15:09,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:15:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:15:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2602 backedges. 2210 proven. 385 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-18 23:15:11,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:15:11,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674017144] [2024-10-18 23:15:11,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674017144] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:15:11,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195082778] [2024-10-18 23:15:11,012 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 23:15:11,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:15:11,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:15:11,013 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:15:11,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-18 23:15:11,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 23:15:11,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:15:11,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-10-18 23:15:11,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:15:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2602 backedges. 1699 proven. 317 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-10-18 23:15:13,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:15:15,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2602 backedges. 1763 proven. 253 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-10-18 23:15:15,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195082778] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:15:15,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:15:15,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49, 49] total 144 [2024-10-18 23:15:15,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152697580] [2024-10-18 23:15:15,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:15:15,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-10-18 23:15:15,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:15:15,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-10-18 23:15:15,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3667, Invalid=17213, Unknown=0, NotChecked=0, Total=20880 [2024-10-18 23:15:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:15:15,458 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:15:15,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 3.5172413793103448) internal successors, (510), 144 states have internal predecessors, (510), 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 23:15:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:15:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:15:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:15:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:15:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:15:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:15:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:15:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:15:15,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:15:15,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:15:15,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:15:15,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:15:15,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:15:15,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:15:15,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:15:15,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:15:15,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:15:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:15:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:15:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:15:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:15:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:15:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:15:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:15:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:15:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:15:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:15:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:15:15,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-18 23:15:16,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:15:16,097 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:15:16,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:15:16,097 INFO L85 PathProgramCache]: Analyzing trace with hash -852721423, now seen corresponding path program 15 times [2024-10-18 23:15:16,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:15:16,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368921097] [2024-10-18 23:15:16,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:15:16,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:15:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:15:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2625 backedges. 2129 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:15:18,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:15:18,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368921097] [2024-10-18 23:15:18,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368921097] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:15:18,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66376460] [2024-10-18 23:15:18,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 23:15:18,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:15:18,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:15:18,948 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:15:18,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-18 23:15:37,533 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2024-10-18 23:15:37,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:15:37,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-10-18 23:15:37,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:15:40,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2625 backedges. 2345 proven. 276 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 23:15:40,132 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:15:42,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2625 backedges. 2345 proven. 276 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 23:15:42,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66376460] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:15:42,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:15:42,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 49, 49] total 169 [2024-10-18 23:15:42,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46783018] [2024-10-18 23:15:42,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:15:42,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2024-10-18 23:15:42,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:15:42,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2024-10-18 23:15:42,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3935, Invalid=24795, Unknown=0, NotChecked=0, Total=28730 [2024-10-18 23:15:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:15:42,878 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:15:42,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 4.241176470588235) internal successors, (721), 169 states have internal predecessors, (721), 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 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:15:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:15:43,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:15:43,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:15:43,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:15:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:15:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:15:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:15:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:15:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:15:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:15:43,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:15:43,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:15:43,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:15:43,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:15:43,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:15:43,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 23:15:43,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-18 23:15:43,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-18 23:15:43,406 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:15:43,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:15:43,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1745521231, now seen corresponding path program 16 times [2024-10-18 23:15:43,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:15:43,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527398319] [2024-10-18 23:15:43,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:15:43,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:15:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:15:44,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 367 proven. 2281 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 23:15:44,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:15:44,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527398319] [2024-10-18 23:15:44,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527398319] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:15:44,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884503515] [2024-10-18 23:15:44,866 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 23:15:44,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:15:44,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:15:44,871 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:15:44,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-18 23:15:45,016 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 23:15:45,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:15:45,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-10-18 23:15:45,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:15:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 114 proven. 2234 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-10-18 23:15:48,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:15:50,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 1662 proven. 686 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-10-18 23:15:50,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884503515] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:15:50,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:15:50,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 73, 52] total 171 [2024-10-18 23:15:50,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915552611] [2024-10-18 23:15:50,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:15:50,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 171 states [2024-10-18 23:15:50,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:15:50,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2024-10-18 23:15:50,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4879, Invalid=24191, Unknown=0, NotChecked=0, Total=29070 [2024-10-18 23:15:50,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:15:50,977 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:15:50,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 171 states, 171 states have (on average 3.9590643274853803) internal successors, (677), 171 states have internal predecessors, (677), 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 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:15:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:15:50,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:15:50,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 23:15:50,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:16:09,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:16:09,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:16:09,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:16:09,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:16:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:16:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:16:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:16:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:16:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:16:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:16:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:16:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:16:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:16:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:16:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 23:16:09,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states. [2024-10-18 23:16:09,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-18 23:16:09,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-18 23:16:09,382 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:16:09,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:16:09,382 INFO L85 PathProgramCache]: Analyzing trace with hash 487614460, now seen corresponding path program 17 times [2024-10-18 23:16:09,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:16:09,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516946719] [2024-10-18 23:16:09,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:16:09,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:16:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:16:25,143 INFO L134 CoverageAnalysis]: Checked inductivity of 10046 backedges. 8381 proven. 1665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:16:25,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:16:25,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516946719] [2024-10-18 23:16:25,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516946719] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:16:25,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889073579] [2024-10-18 23:16:25,144 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 23:16:25,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:16:25,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:16:25,146 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:16:25,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-18 23:16:36,226 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 49 check-sat command(s) [2024-10-18 23:16:36,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:16:36,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-10-18 23:16:36,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:16:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10046 backedges. 48 proven. 9698 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-10-18 23:16:47,428 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:16:50,329 INFO L134 CoverageAnalysis]: Checked inductivity of 10046 backedges. 2035 proven. 1270 refuted. 0 times theorem prover too weak. 6741 trivial. 0 not checked. [2024-10-18 23:16:50,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889073579] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:16:50,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:16:50,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [169, 103, 23] total 292 [2024-10-18 23:16:50,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180201576] [2024-10-18 23:16:50,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:16:50,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 292 states [2024-10-18 23:16:50,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:16:50,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 292 interpolants. [2024-10-18 23:16:50,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10770, Invalid=74202, Unknown=0, NotChecked=0, Total=84972 [2024-10-18 23:16:50,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:16:50,340 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:16:50,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 292 states, 292 states have (on average 3.3972602739726026) internal successors, (992), 292 states have internal predecessors, (992), 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 23:16:50,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 23:16:50,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states. [2024-10-18 23:16:50,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:17:12,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:17:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:17:12,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:17:12,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 23:17:12,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-10-18 23:17:12,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2024-10-18 23:17:12,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-18 23:17:13,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-18 23:17:13,134 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:17:13,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:17:13,135 INFO L85 PathProgramCache]: Analyzing trace with hash -150513172, now seen corresponding path program 18 times [2024-10-18 23:17:13,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:17:13,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086585465] [2024-10-18 23:17:13,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:17:13,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:17:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:17:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 14033 backedges. 12527 proven. 1506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:17:35,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:17:35,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086585465] [2024-10-18 23:17:35,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086585465] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:17:35,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313377295] [2024-10-18 23:17:35,260 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 23:17:35,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:17:35,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:17:35,261 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:17:35,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-18 23:20:22,064 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 50 check-sat command(s) [2024-10-18 23:20:22,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:20:22,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-10-18 23:20:22,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:20:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14033 backedges. 8826 proven. 671 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2024-10-18 23:20:27,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:20:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14033 backedges. 9172 proven. 325 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2024-10-18 23:20:32,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313377295] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:20:32,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:20:32,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [196, 55, 55] total 302 [2024-10-18 23:20:32,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841072947] [2024-10-18 23:20:32,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:20:32,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 303 states [2024-10-18 23:20:32,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:20:32,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 303 interpolants. [2024-10-18 23:20:32,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16363, Invalid=75143, Unknown=0, NotChecked=0, Total=91506 [2024-10-18 23:20:32,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:20:32,440 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:20:32,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 303 states, 303 states have (on average 3.429042904290429) internal successors, (1039), 302 states have internal predecessors, (1039), 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 23:20:32,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:20:32,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-10-18 23:20:32,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2024-10-18 23:20:32,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:20:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:20:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:20:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:20:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:20:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:20:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:20:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:20:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:20:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:20:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:20:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:20:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:20:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:20:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:20:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 23:20:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-10-18 23:20:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2024-10-18 23:20:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 23:20:32,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-18 23:20:33,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-18 23:20:33,065 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:20:33,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:20:33,065 INFO L85 PathProgramCache]: Analyzing trace with hash 2106875180, now seen corresponding path program 19 times [2024-10-18 23:20:33,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:20:33,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253143478] [2024-10-18 23:20:33,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:20:33,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:20:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:20:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 14059 backedges. 12527 proven. 1532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:20:53,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:20:53,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253143478] [2024-10-18 23:20:53,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253143478] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:20:53,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812938542] [2024-10-18 23:20:53,218 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 23:20:53,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:20:53,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:20:53,220 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:20:53,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-18 23:20:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:20:53,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-10-18 23:20:53,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:20:59,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14059 backedges. 5791 proven. 427 refuted. 0 times theorem prover too weak. 7841 trivial. 0 not checked. [2024-10-18 23:20:59,447 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:21:05,367 INFO L134 CoverageAnalysis]: Checked inductivity of 14059 backedges. 5867 proven. 351 refuted. 0 times theorem prover too weak. 7841 trivial. 0 not checked. [2024-10-18 23:21:05,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812938542] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:21:05,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:21:05,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [197, 57, 57] total 307 [2024-10-18 23:21:05,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763591783] [2024-10-18 23:21:05,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:21:05,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 308 states [2024-10-18 23:21:05,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:21:05,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 308 interpolants. [2024-10-18 23:21:05,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17342, Invalid=77214, Unknown=0, NotChecked=0, Total=94556 [2024-10-18 23:21:05,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:21:05,376 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:21:05,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 308 states, 308 states have (on average 2.7987012987012987) internal successors, (862), 307 states have internal predecessors, (862), 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 23:21:05,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:21:05,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:21:05,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 23:21:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:21:05,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:21:05,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-10-18 23:21:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2024-10-18 23:21:05,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 23:21:05,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 23:21:05,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-18 23:21:06,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-18 23:21:06,010 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:21:06,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:21:06,010 INFO L85 PathProgramCache]: Analyzing trace with hash -928529940, now seen corresponding path program 20 times [2024-10-18 23:21:06,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:21:06,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262709920] [2024-10-18 23:21:06,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:21:06,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:21:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:21:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 14086 backedges. 12527 proven. 1559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:21:26,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:21:26,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262709920] [2024-10-18 23:21:26,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262709920] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:21:26,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137065368] [2024-10-18 23:21:26,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 23:21:26,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:21:26,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:21:26,694 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:21:26,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-18 23:21:26,957 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 23:21:26,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 23:21:26,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 1068 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-10-18 23:21:26,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 23:21:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 14086 backedges. 5952 proven. 417 refuted. 0 times theorem prover too weak. 7717 trivial. 0 not checked. [2024-10-18 23:21:32,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 23:21:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 14086 backedges. 5991 proven. 378 refuted. 0 times theorem prover too weak. 7717 trivial. 0 not checked. [2024-10-18 23:21:38,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137065368] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 23:21:38,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 23:21:38,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [198, 59, 59] total 312 [2024-10-18 23:21:38,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462011271] [2024-10-18 23:21:38,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 23:21:38,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 313 states [2024-10-18 23:21:38,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 23:21:38,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 313 interpolants. [2024-10-18 23:21:38,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17689, Invalid=79967, Unknown=0, NotChecked=0, Total=97656 [2024-10-18 23:21:38,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:21:38,114 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 23:21:38,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 313 states, 313 states have (on average 2.7827476038338657) internal successors, (871), 312 states have internal predecessors, (871), 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 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:21:38,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:21:38,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:21:38,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 23:21:38,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-10-18 23:21:38,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2024-10-18 23:21:38,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-18 23:21:38,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 23:21:38,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 23:21:38,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 23:21:38,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 23:21:38,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 23:21:38,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-18 23:21:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 23:21:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-18 23:21:38,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-18 23:21:38,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:21:38,745 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 23:21:38,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 23:21:38,745 INFO L85 PathProgramCache]: Analyzing trace with hash -536808148, now seen corresponding path program 21 times [2024-10-18 23:21:38,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 23:21:38,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097639584] [2024-10-18 23:21:38,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 23:21:38,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 23:21:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 23:21:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14114 backedges. 12527 proven. 1587 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 23:21:59,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 23:21:59,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097639584] [2024-10-18 23:21:59,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097639584] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 23:21:59,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911242171] [2024-10-18 23:21:59,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 23:21:59,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 23:21:59,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 23:21:59,189 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 23:21:59,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process Killed by 15