./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --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-array-sum2.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 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --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 [2024-10-19 09:49:51,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 09:49:52,003 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 09:49:52,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 09:49:52,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 09:49:52,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 09:49:52,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 09:49:52,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 09:49:52,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 09:49:52,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 09:49:52,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 09:49:52,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 09:49:52,044 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 09:49:52,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 09:49:52,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 09:49:52,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 09:49:52,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 09:49:52,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 09:49:52,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 09:49:52,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 09:49:52,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 09:49:52,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 09:49:52,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 09:49:52,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 09:49:52,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 09:49:52,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 09:49:52,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 09:49:52,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 09:49:52,050 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 09:49:52,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 09:49:52,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 09:49:52,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 09:49:52,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 09:49:52,052 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 09:49:52,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 09:49:52,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 09:49:52,053 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 09:49:52,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 09:49:52,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 09:49:52,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 09:49:52,054 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 09:49:52,054 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 -> 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 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 -> LOOP 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 [2024-10-19 09:49:52,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 09:49:52,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 09:49:52,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 09:49:52,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 09:49:52,351 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 09:49:52,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-10-19 09:49:53,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 09:49:54,088 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 09:49:54,089 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-10-19 09:49:54,098 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/08eeff464/e9dff0c542394833a302e5636186d14f/FLAGd071e83f9 [2024-10-19 09:49:54,109 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/08eeff464/e9dff0c542394833a302e5636186d14f [2024-10-19 09:49:54,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 09:49:54,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 09:49:54,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 09:49:54,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 09:49:54,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 09:49:54,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d521f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54, skipping insertion in model container [2024-10-19 09:49:54,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 09:49:54,341 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-array-sum2.wvr.c[2638,2651] [2024-10-19 09:49:54,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 09:49:54,358 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 09:49:54,378 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-array-sum2.wvr.c[2638,2651] [2024-10-19 09:49:54,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 09:49:54,404 INFO L204 MainTranslator]: Completed translation [2024-10-19 09:49:54,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54 WrapperNode [2024-10-19 09:49:54,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 09:49:54,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 09:49:54,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 09:49:54,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 09:49:54,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,449 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 264 [2024-10-19 09:49:54,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 09:49:54,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 09:49:54,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 09:49:54,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 09:49:54,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 09:49:54,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 09:49:54,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 09:49:54,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 09:49:54,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54" (1/1) ... [2024-10-19 09:49:54,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 09:49:54,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:49:54,543 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) [2024-10-19 09:49:54,550 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 [2024-10-19 09:49:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 09:49:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-19 09:49:54,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-19 09:49:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-19 09:49:54,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-19 09:49:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-19 09:49:54,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-19 09:49:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 09:49:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-19 09:49:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 09:49:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 09:49:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-19 09:49:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 09:49:54,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 09:49:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-19 09:49:54,602 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-19 09:49:54,730 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 09:49:54,732 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 09:49:55,192 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 09:49:55,193 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 09:49:55,547 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 09:49:55,547 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-19 09:49:55,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 09:49:55 BoogieIcfgContainer [2024-10-19 09:49:55,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 09:49:55,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 09:49:55,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 09:49:55,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 09:49:55,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 09:49:54" (1/3) ... [2024-10-19 09:49:55,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d691d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 09:49:55, skipping insertion in model container [2024-10-19 09:49:55,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 09:49:54" (2/3) ... [2024-10-19 09:49:55,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d691d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 09:49:55, skipping insertion in model container [2024-10-19 09:49:55,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 09:49:55" (3/3) ... [2024-10-19 09:49:55,560 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2024-10-19 09:49:55,577 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 09:49:55,577 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-19 09:49:55,577 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 09:49:55,633 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-19 09:49:55,678 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 09:49:55,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 09:49:55,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:49:55,681 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) [2024-10-19 09:49:55,683 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 [2024-10-19 09:49:55,793 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 09:49:55,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:49:55,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 09:49:55,823 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;@75b60ce7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 09:49:55,823 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-19 09:49:56,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-19 09:49:56,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 274 treesize of output 142 [2024-10-19 09:50:09,303 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-19 09:50:09,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1604440768, now seen corresponding path program 1 times [2024-10-19 09:50:09,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:50:09,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:50:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:50:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-19 09:50:09,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:50:09,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:50:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:50:10,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-19 09:50:10,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 09:50:10,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-19 09:50:10,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-19 09:50:10,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 274 treesize of output 142 [2024-10-19 09:50:34,576 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-19 09:50:34,579 INFO L85 PathProgramCache]: Analyzing trace with hash -192081864, now seen corresponding path program 1 times [2024-10-19 09:50:34,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:50:34,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:50:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:50:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-19 09:50:34,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:50:34,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:50:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:50:35,057 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-19 09:50:35,340 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-19 09:50:35,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 274 treesize of output 142 [2024-10-19 09:51:03,442 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-19 09:51:03,443 INFO L85 PathProgramCache]: Analyzing trace with hash -6196120, now seen corresponding path program 1 times [2024-10-19 09:51:03,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:03,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:03,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-19 09:51:03,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:03,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:03,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-19 09:51:04,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-19 09:51:04,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 256 treesize of output 140 [2024-10-19 09:51:23,975 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 38 DAG size of output: 34 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-19 09:51:23,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1385673095, now seen corresponding path program 1 times [2024-10-19 09:51:23,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:23,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-19 09:51:24,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:24,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:24,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-19 09:51:24,555 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-19 09:51:24,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 274 treesize of output 142 [2024-10-19 09:51:38,484 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-10-19 09:51:38,486 INFO L85 PathProgramCache]: Analyzing trace with hash -6149029, now seen corresponding path program 1 times [2024-10-19 09:51:38,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:38,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:38,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-19 09:51:38,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:38,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:38,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-19 09:51:38,845 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)] === [2024-10-19 09:51:38,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:51:38,847 INFO L85 PathProgramCache]: Analyzing trace with hash 476046346, now seen corresponding path program 1 times [2024-10-19 09:51:38,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:51:38,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730462634] [2024-10-19 09:51:38,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:38,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-19 09:51:39,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:51:39,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730462634] [2024-10-19 09:51:39,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730462634] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:51:39,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027465300] [2024-10-19 09:51:39,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:39,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:51:39,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:51:39,050 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) [2024-10-19 09:51:39,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-19 09:51:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:39,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-19 09:51:39,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:51:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-19 09:51:39,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:51:39,346 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-19 09:51:39,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027465300] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:51:39,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:51:39,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-19 09:51:39,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540001554] [2024-10-19 09:51:39,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:51:39,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-19 09:51:39,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:51:39,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-19 09:51:39,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-19 09:51:39,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:39,359 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:51:39,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 09:51:39,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:39,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:39,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-19 09:51:39,812 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 [2024-10-19 09:51:39,813 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)] === [2024-10-19 09:51:39,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:51:39,813 INFO L85 PathProgramCache]: Analyzing trace with hash 326407681, now seen corresponding path program 2 times [2024-10-19 09:51:39,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:51:39,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360412875] [2024-10-19 09:51:39,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:39,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-19 09:51:39,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:51:39,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360412875] [2024-10-19 09:51:39,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360412875] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:51:39,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544469324] [2024-10-19 09:51:39,990 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-19 09:51:39,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:51:39,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:51:39,993 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) [2024-10-19 09:51:39,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-19 09:51:40,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-19 09:51:40,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:51:40,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-19 09:51:40,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:51:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-19 09:51:40,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:51:40,318 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-19 09:51:40,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544469324] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:51:40,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:51:40,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 16 [2024-10-19 09:51:40,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606856292] [2024-10-19 09:51:40,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:51:40,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-19 09:51:40,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:51:40,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-19 09:51:40,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-10-19 09:51:40,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:40,321 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:51:40,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.6875) internal successors, (75), 16 states have internal predecessors, (75), 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) [2024-10-19 09:51:40,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:40,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:40,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:40,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:40,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-19 09:51:40,808 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 [2024-10-19 09:51:40,808 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)] === [2024-10-19 09:51:40,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:51:40,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1806955416, now seen corresponding path program 3 times [2024-10-19 09:51:40,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:51:40,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510724116] [2024-10-19 09:51:40,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:40,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-19 09:51:41,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:51:41,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510724116] [2024-10-19 09:51:41,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510724116] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:51:41,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804835289] [2024-10-19 09:51:41,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-19 09:51:41,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:51:41,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:51:41,110 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) [2024-10-19 09:51:41,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-19 09:51:41,243 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-19 09:51:41,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:51:41,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-19 09:51:41,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:51:41,520 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-19 09:51:41,521 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:51:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-19 09:51:41,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804835289] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:51:41,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:51:41,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 25 [2024-10-19 09:51:41,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002033247] [2024-10-19 09:51:41,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:51:41,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-19 09:51:41,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:51:41,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-19 09:51:41,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2024-10-19 09:51:41,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:41,722 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:51:41,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 25 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 09:51:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:41,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:42,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-19 09:51:42,208 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 [2024-10-19 09:51:42,209 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)] === [2024-10-19 09:51:42,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:51:42,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1038661704, now seen corresponding path program 4 times [2024-10-19 09:51:42,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:51:42,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119568500] [2024-10-19 09:51:42,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:42,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:42,450 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-19 09:51:42,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:51:42,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119568500] [2024-10-19 09:51:42,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119568500] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:51:42,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835824347] [2024-10-19 09:51:42,451 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-19 09:51:42,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:51:42,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:51:42,453 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) [2024-10-19 09:51:42,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-19 09:51:42,549 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-19 09:51:42,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:51:42,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-19 09:51:42,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:51:42,784 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-19 09:51:42,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:51:42,933 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-19 09:51:42,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835824347] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:51:42,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:51:42,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 25 [2024-10-19 09:51:42,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087685809] [2024-10-19 09:51:42,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:51:42,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-19 09:51:42,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:51:42,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-19 09:51:42,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-10-19 09:51:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:42,935 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:51:42,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.64) internal successors, (91), 25 states have internal predecessors, (91), 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) [2024-10-19 09:51:42,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:42,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:42,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:42,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:51:43,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-19 09:51:44,097 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 [2024-10-19 09:51:44,098 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)] === [2024-10-19 09:51:44,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:51:44,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1695824547, now seen corresponding path program 5 times [2024-10-19 09:51:44,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:51:44,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337905631] [2024-10-19 09:51:44,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:44,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 108 proven. 28 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-19 09:51:44,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:51:44,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337905631] [2024-10-19 09:51:44,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337905631] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:51:44,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132038847] [2024-10-19 09:51:44,627 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-19 09:51:44,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:51:44,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:51:44,630 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) [2024-10-19 09:51:44,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-19 09:51:44,890 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-10-19 09:51:44,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:51:44,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-19 09:51:44,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:51:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 129 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-19 09:51:45,228 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:51:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 129 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-19 09:51:45,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132038847] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:51:45,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:51:45,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 34 [2024-10-19 09:51:45,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84524387] [2024-10-19 09:51:45,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:51:45,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-19 09:51:45,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:51:45,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-19 09:51:45,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=965, Unknown=0, NotChecked=0, Total=1190 [2024-10-19 09:51:45,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:45,531 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:51:45,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.714285714285714) internal successors, (165), 34 states have internal predecessors, (165), 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) [2024-10-19 09:51:45,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:45,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:45,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:45,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:51:45,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:51:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:51:45,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-19 09:51:45,988 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 [2024-10-19 09:51:45,989 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)] === [2024-10-19 09:51:45,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:51:45,989 INFO L85 PathProgramCache]: Analyzing trace with hash 885383116, now seen corresponding path program 6 times [2024-10-19 09:51:45,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:51:45,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658527870] [2024-10-19 09:51:45,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:45,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:46,504 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 93 proven. 48 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-19 09:51:46,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:51:46,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658527870] [2024-10-19 09:51:46,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658527870] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:51:46,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769766204] [2024-10-19 09:51:46,505 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-19 09:51:46,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:51:46,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:51:46,507 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) [2024-10-19 09:51:46,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-19 09:51:46,706 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-10-19 09:51:46,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:51:46,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-19 09:51:46,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:51:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 95 proven. 41 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-19 09:51:47,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:51:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 121 proven. 15 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-19 09:51:47,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769766204] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:51:47,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:51:47,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 41 [2024-10-19 09:51:47,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144386426] [2024-10-19 09:51:47,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:51:47,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-10-19 09:51:47,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:51:47,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-10-19 09:51:47,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1410, Unknown=0, NotChecked=0, Total=1722 [2024-10-19 09:51:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:47,499 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:51:47,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.6904761904761907) internal successors, (155), 41 states have internal predecessors, (155), 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) [2024-10-19 09:51:47,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:47,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:47,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:47,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:51:47,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:51:47,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:47,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:47,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:47,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:47,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:51:47,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:51:47,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:47,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-19 09:51:48,026 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 [2024-10-19 09:51:48,027 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)] === [2024-10-19 09:51:48,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:51:48,027 INFO L85 PathProgramCache]: Analyzing trace with hash -971813181, now seen corresponding path program 7 times [2024-10-19 09:51:48,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:51:48,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624516661] [2024-10-19 09:51:48,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:48,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 37 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-19 09:51:48,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:51:48,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624516661] [2024-10-19 09:51:48,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624516661] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:51:48,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874560294] [2024-10-19 09:51:48,657 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-19 09:51:48,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:51:48,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:51:48,660 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) [2024-10-19 09:51:48,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-19 09:51:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:48,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-19 09:51:48,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:51:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 105 proven. 37 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-19 09:51:49,279 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:51:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 121 proven. 21 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-19 09:51:49,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874560294] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:51:49,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:51:49,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2024-10-19 09:51:49,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458074300] [2024-10-19 09:51:49,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:51:49,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-19 09:51:49,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:51:49,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-19 09:51:49,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=1761, Unknown=0, NotChecked=0, Total=2162 [2024-10-19 09:51:49,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:49,775 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:51:49,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.765957446808511) internal successors, (177), 46 states have internal predecessors, (177), 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) [2024-10-19 09:51:49,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:49,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:49,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:49,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:51:49,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:51:49,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:49,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:50,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:50,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:51:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:51:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:51:50,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-19 09:51:50,313 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 [2024-10-19 09:51:50,313 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)] === [2024-10-19 09:51:50,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:51:50,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1079930284, now seen corresponding path program 8 times [2024-10-19 09:51:50,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:51:50,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815592708] [2024-10-19 09:51:50,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:50,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 101 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-19 09:51:50,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:51:50,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815592708] [2024-10-19 09:51:50,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815592708] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:51:50,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577846150] [2024-10-19 09:51:50,980 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-19 09:51:50,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:51:50,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:51:50,982 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) [2024-10-19 09:51:50,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-19 09:51:51,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-19 09:51:51,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:51:51,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-19 09:51:51,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:51:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 117 proven. 37 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-19 09:51:51,719 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:51:52,288 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 126 proven. 28 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-19 09:51:52,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577846150] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:51:52,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:51:52,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 52 [2024-10-19 09:51:52,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841229235] [2024-10-19 09:51:52,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:51:52,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-10-19 09:51:52,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:51:52,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-10-19 09:51:52,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=559, Invalid=2197, Unknown=0, NotChecked=0, Total=2756 [2024-10-19 09:51:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:52,307 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:51:52,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 3.0754716981132075) internal successors, (163), 52 states have internal predecessors, (163), 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) [2024-10-19 09:51:52,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:52,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:52,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:52,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:51:52,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:51:52,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:52,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:51:52,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:52,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:52,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:52,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:52,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:51:52,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:51:52,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:52,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:51:52,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:52,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-19 09:51:52,815 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 [2024-10-19 09:51:52,815 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)] === [2024-10-19 09:51:52,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:51:52,815 INFO L85 PathProgramCache]: Analyzing trace with hash 561126115, now seen corresponding path program 9 times [2024-10-19 09:51:52,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:51:52,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729967533] [2024-10-19 09:51:52,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:52,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:53,449 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 21 proven. 158 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-19 09:51:53,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:51:53,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729967533] [2024-10-19 09:51:53,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729967533] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:51:53,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509831751] [2024-10-19 09:51:53,450 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-19 09:51:53,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:51:53,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:51:53,452 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) [2024-10-19 09:51:53,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-19 09:51:53,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-19 09:51:53,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:51:53,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-19 09:51:53,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:51:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 28 proven. 151 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-19 09:51:54,177 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:51:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 36 proven. 143 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-19 09:51:54,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509831751] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:51:54,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:51:54,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 45 [2024-10-19 09:51:54,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410229167] [2024-10-19 09:51:54,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:51:54,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-10-19 09:51:54,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:51:54,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-10-19 09:51:54,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=478, Invalid=1502, Unknown=0, NotChecked=0, Total=1980 [2024-10-19 09:51:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:54,543 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:51:54,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.8444444444444446) internal successors, (173), 45 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 09:51:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:54,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:51:54,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:51:54,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:54,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:51:54,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:54,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:51:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:51:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:51:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:51:55,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-19 09:51:55,355 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 [2024-10-19 09:51:55,355 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)] === [2024-10-19 09:51:55,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:51:55,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2137875229, now seen corresponding path program 10 times [2024-10-19 09:51:55,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:51:55,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538591050] [2024-10-19 09:51:55,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:51:55,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:51:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:51:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 354 proven. 78 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-10-19 09:51:56,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:51:56,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538591050] [2024-10-19 09:51:56,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538591050] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:51:56,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690763935] [2024-10-19 09:51:56,400 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-19 09:51:56,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:51:56,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:51:56,402 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) [2024-10-19 09:51:56,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-19 09:51:56,541 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-19 09:51:56,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:51:56,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-19 09:51:56,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:51:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-19 09:51:57,853 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:51:59,046 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 238 proven. 175 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-19 09:51:59,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690763935] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:51:59,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:51:59,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 34, 27] total 80 [2024-10-19 09:51:59,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075445823] [2024-10-19 09:51:59,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:51:59,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-10-19 09:51:59,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:51:59,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-10-19 09:51:59,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=841, Invalid=5479, Unknown=0, NotChecked=0, Total=6320 [2024-10-19 09:51:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:51:59,050 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:51:59,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.8625) internal successors, (309), 80 states have internal predecessors, (309), 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) [2024-10-19 09:51:59,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:51:59,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:59,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:59,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:51:59,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:51:59,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:51:59,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:51:59,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:51:59,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:51:59,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:52:05,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:52:05,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:05,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:05,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:52:05,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:52:05,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:05,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:52:05,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:05,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:52:05,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:52:05,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-19 09:52:06,107 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 [2024-10-19 09:52:06,108 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)] === [2024-10-19 09:52:06,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:52:06,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1455581683, now seen corresponding path program 11 times [2024-10-19 09:52:06,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:52:06,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524428872] [2024-10-19 09:52:06,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:52:06,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:52:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:52:09,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 589 proven. 418 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-19 09:52:09,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:52:09,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524428872] [2024-10-19 09:52:09,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524428872] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:52:09,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808955755] [2024-10-19 09:52:09,701 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-19 09:52:09,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:52:09,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:52:09,702 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) [2024-10-19 09:52:09,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-19 09:52:14,427 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-10-19 09:52:14,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:52:14,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-19 09:52:14,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:52:15,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 817 proven. 45 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-19 09:52:15,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:52:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 817 proven. 45 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-19 09:52:16,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808955755] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:52:16,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:52:16,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 22, 22] total 98 [2024-10-19 09:52:16,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166329497] [2024-10-19 09:52:16,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:52:16,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-10-19 09:52:16,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:52:16,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-10-19 09:52:16,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1369, Invalid=8333, Unknown=0, NotChecked=0, Total=9702 [2024-10-19 09:52:16,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:52:16,586 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:52:16,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 3.757575757575758) internal successors, (372), 98 states have internal predecessors, (372), 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) [2024-10-19 09:52:16,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:52:16,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:16,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:16,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:52:16,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:52:16,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:16,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:52:16,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:16,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:52:16,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:52:16,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:52:17,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:52:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:52:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:52:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:52:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:52:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:52:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:52:17,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-19 09:52:17,205 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 [2024-10-19 09:52:17,205 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)] === [2024-10-19 09:52:17,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:52:17,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1701056650, now seen corresponding path program 12 times [2024-10-19 09:52:17,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:52:17,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674379409] [2024-10-19 09:52:17,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:52:17,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:52:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:52:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 589 proven. 428 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-19 09:52:20,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:52:20,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674379409] [2024-10-19 09:52:20,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674379409] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:52:20,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718935440] [2024-10-19 09:52:20,700 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-19 09:52:20,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:52:20,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:52:20,702 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) [2024-10-19 09:52:20,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-19 09:52:21,542 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-10-19 09:52:21,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:52:21,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-19 09:52:21,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:52:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 554 proven. 83 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-10-19 09:52:22,801 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:52:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 582 proven. 55 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-10-19 09:52:24,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718935440] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:52:24,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:52:24,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 25, 25] total 105 [2024-10-19 09:52:24,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478347780] [2024-10-19 09:52:24,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:52:24,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-10-19 09:52:24,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:52:24,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-10-19 09:52:24,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1522, Invalid=9608, Unknown=0, NotChecked=0, Total=11130 [2024-10-19 09:52:24,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:52:24,267 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:52:24,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 2.8867924528301887) internal successors, (306), 105 states have internal predecessors, (306), 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) [2024-10-19 09:52:24,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:52:24,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:24,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:24,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:52:24,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:52:24,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:24,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:52:24,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:24,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:52:24,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:52:24,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:52:24,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:52:24,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:52:24,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:24,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:24,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:52:24,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:52:24,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:24,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:52:24,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:24,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:52:24,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:52:24,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:52:24,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:52:24,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-19 09:52:24,899 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 [2024-10-19 09:52:24,900 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)] === [2024-10-19 09:52:24,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:52:24,900 INFO L85 PathProgramCache]: Analyzing trace with hash 69792813, now seen corresponding path program 13 times [2024-10-19 09:52:24,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:52:24,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402431270] [2024-10-19 09:52:24,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:52:24,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:52:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:52:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 589 proven. 439 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-19 09:52:28,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:52:28,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402431270] [2024-10-19 09:52:28,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402431270] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:52:28,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589734822] [2024-10-19 09:52:28,074 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-19 09:52:28,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:52:28,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:52:28,075 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) [2024-10-19 09:52:28,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-19 09:52:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:52:28,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-19 09:52:28,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:52:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 594 proven. 81 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-10-19 09:52:29,712 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:52:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 609 proven. 66 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-10-19 09:52:31,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589734822] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:52:31,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:52:31,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 27, 27] total 110 [2024-10-19 09:52:31,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084855528] [2024-10-19 09:52:31,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:52:31,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2024-10-19 09:52:31,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:52:31,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2024-10-19 09:52:31,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1676, Invalid=10534, Unknown=0, NotChecked=0, Total=12210 [2024-10-19 09:52:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:52:31,264 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:52:31,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 2.8378378378378377) internal successors, (315), 110 states have internal predecessors, (315), 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) [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:52:31,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:52:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:52:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:52:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:52:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:52:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:52:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:52:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:52:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:52:31,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:52:31,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-19 09:52:32,021 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 [2024-10-19 09:52:32,021 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)] === [2024-10-19 09:52:32,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:52:32,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1273727146, now seen corresponding path program 14 times [2024-10-19 09:52:32,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:52:32,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861840119] [2024-10-19 09:52:32,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:52:32,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:52:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:52:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 852 proven. 144 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-19 09:52:33,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:52:33,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861840119] [2024-10-19 09:52:33,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861840119] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:52:33,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130692464] [2024-10-19 09:52:33,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-19 09:52:33,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:52:33,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:52:33,337 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) [2024-10-19 09:52:33,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-19 09:52:33,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-19 09:52:33,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:52:33,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-19 09:52:33,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:52:34,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 625 proven. 112 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-10-19 09:52:34,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:52:35,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 659 proven. 78 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-10-19 09:52:35,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130692464] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:52:35,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:52:35,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 84 [2024-10-19 09:52:35,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796701929] [2024-10-19 09:52:35,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:52:35,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-10-19 09:52:35,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:52:35,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-10-19 09:52:35,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1255, Invalid=5885, Unknown=0, NotChecked=0, Total=7140 [2024-10-19 09:52:35,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:52:35,960 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:52:35,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.552941176470588) internal successors, (302), 84 states have internal predecessors, (302), 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) [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:52:35,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:52:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:52:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:52:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:52:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:52:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:52:36,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:52:36,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:52:36,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:52:36,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:52:36,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:52:36,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-19 09:52:36,584 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 [2024-10-19 09:52:36,585 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)] === [2024-10-19 09:52:36,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:52:36,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1396247117, now seen corresponding path program 15 times [2024-10-19 09:52:36,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:52:36,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244858008] [2024-10-19 09:52:36,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:52:36,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:52:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:52:39,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 589 proven. 464 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-10-19 09:52:39,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:52:39,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244858008] [2024-10-19 09:52:39,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244858008] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:52:39,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262373374] [2024-10-19 09:52:39,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-19 09:52:39,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:52:39,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:52:39,946 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) [2024-10-19 09:52:39,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-19 09:52:41,127 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2024-10-19 09:52:41,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:52:41,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-19 09:52:41,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:52:42,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 785 proven. 224 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-10-19 09:52:42,792 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:52:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 918 proven. 91 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-10-19 09:52:44,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262373374] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:52:44,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:52:44,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 31, 31] total 120 [2024-10-19 09:52:44,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93700940] [2024-10-19 09:52:44,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:52:44,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-10-19 09:52:44,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:52:44,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-10-19 09:52:44,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1945, Invalid=12575, Unknown=0, NotChecked=0, Total=14520 [2024-10-19 09:52:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:52:44,746 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:52:44,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 3.5371900826446283) internal successors, (428), 120 states have internal predecessors, (428), 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) [2024-10-19 09:52:44,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:52:44,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:44,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:44,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:52:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:52:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:52:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:52:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:52:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:52:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:52:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:52:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:52:44,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:52:45,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:52:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:52:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:52:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:52:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:52:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:52:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:52:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:52:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:52:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:52:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:52:45,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-19 09:52:45,406 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 [2024-10-19 09:52:45,407 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)] === [2024-10-19 09:52:45,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:52:45,407 INFO L85 PathProgramCache]: Analyzing trace with hash 18761526, now seen corresponding path program 16 times [2024-10-19 09:52:45,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:52:45,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338329696] [2024-10-19 09:52:45,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:52:45,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:52:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:52:48,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 589 proven. 478 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-19 09:52:48,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:52:48,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338329696] [2024-10-19 09:52:48,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338329696] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:52:48,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546577512] [2024-10-19 09:52:48,739 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-19 09:52:48,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:52:48,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:52:48,740 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) [2024-10-19 09:52:48,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-19 09:52:48,919 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-19 09:52:48,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:52:48,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-19 09:52:48,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:52:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 16 proven. 946 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-10-19 09:52:51,916 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:52:54,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 588 proven. 374 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-10-19 09:52:54,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546577512] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:52:54,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:52:54,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 49, 38] total 147 [2024-10-19 09:52:54,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929666785] [2024-10-19 09:52:54,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:52:54,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2024-10-19 09:52:54,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:52:54,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2024-10-19 09:52:54,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2362, Invalid=19100, Unknown=0, NotChecked=0, Total=21462 [2024-10-19 09:52:54,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:52:54,634 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:52:54,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 3.108843537414966) internal successors, (457), 147 states have internal predecessors, (457), 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) [2024-10-19 09:52:54,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:52:54,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:54,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:54,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:52:54,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:52:54,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:52:54,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:52:54,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:52:54,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:52:54,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:52:54,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:52:54,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:52:54,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:52:54,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:52:54,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:52:54,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:53:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:53:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:53:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:53:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:53:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:53:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:53:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:53:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:53:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:53:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:53:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:53:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:53:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:53:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:53:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:53:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:53:08,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-19 09:53:08,912 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 [2024-10-19 09:53:08,913 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)] === [2024-10-19 09:53:08,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:53:08,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1211154460, now seen corresponding path program 17 times [2024-10-19 09:53:08,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:53:08,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236067177] [2024-10-19 09:53:08,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:53:08,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:53:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:53:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2589 backedges. 2003 proven. 466 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-19 09:53:15,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:53:15,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236067177] [2024-10-19 09:53:15,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236067177] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:53:15,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102463291] [2024-10-19 09:53:15,339 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-19 09:53:15,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:53:15,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:53:15,341 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) [2024-10-19 09:53:15,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-19 09:56:00,076 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2024-10-19 09:56:00,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:56:00,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 1495 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-19 09:56:00,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:56:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2589 backedges. 1307 proven. 141 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2024-10-19 09:56:02,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:56:05,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2589 backedges. 1328 proven. 120 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2024-10-19 09:56:05,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102463291] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:56:05,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:56:05,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 35, 35] total 155 [2024-10-19 09:56:05,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194264364] [2024-10-19 09:56:05,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:56:05,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 156 states [2024-10-19 09:56:05,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:56:05,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2024-10-19 09:56:05,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3873, Invalid=20307, Unknown=0, NotChecked=0, Total=24180 [2024-10-19 09:56:05,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:56:05,178 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:56:05,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 156 states, 156 states have (on average 2.8141025641025643) internal successors, (439), 155 states have internal predecessors, (439), 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) [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:56:05,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:56:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:56:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:56:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:56:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:56:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:56:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:56:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-19 09:56:05,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-19 09:56:05,980 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 [2024-10-19 09:56:05,980 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)] === [2024-10-19 09:56:05,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:56:05,981 INFO L85 PathProgramCache]: Analyzing trace with hash -763990573, now seen corresponding path program 18 times [2024-10-19 09:56:05,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:56:05,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11675773] [2024-10-19 09:56:05,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:56:05,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:56:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:56:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2621 backedges. 2003 proven. 482 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-10-19 09:56:12,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:56:12,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11675773] [2024-10-19 09:56:12,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11675773] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:56:12,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003376523] [2024-10-19 09:56:12,397 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-19 09:56:12,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:56:12,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:56:12,398 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) [2024-10-19 09:56:12,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-19 09:56:20,403 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-10-19 09:56:20,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:56:20,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-19 09:56:20,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:56:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2621 backedges. 1369 proven. 182 refuted. 0 times theorem prover too weak. 1070 trivial. 0 not checked. [2024-10-19 09:56:23,035 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:56:26,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2621 backedges. 1415 proven. 136 refuted. 0 times theorem prover too weak. 1070 trivial. 0 not checked. [2024-10-19 09:56:26,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003376523] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:56:26,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:56:26,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 38, 38] total 161 [2024-10-19 09:56:26,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745603037] [2024-10-19 09:56:26,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:56:26,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2024-10-19 09:56:26,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:56:26,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2024-10-19 09:56:26,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4056, Invalid=21704, Unknown=0, NotChecked=0, Total=25760 [2024-10-19 09:56:26,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:56:26,037 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:56:26,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 2.8322981366459627) internal successors, (456), 161 states have internal predecessors, (456), 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) [2024-10-19 09:56:26,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:56:26,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:26,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:26,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:56:26,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:56:26,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:26,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:56:26,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:26,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:56:26,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:56:26,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:56:26,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:56:26,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:56:26,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:56:26,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:56:26,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:56:26,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-19 09:56:26,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:56:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:56:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-19 09:56:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-19 09:56:26,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-19 09:56:26,752 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 [2024-10-19 09:56:26,752 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)] === [2024-10-19 09:56:26,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:56:26,753 INFO L85 PathProgramCache]: Analyzing trace with hash -853072388, now seen corresponding path program 19 times [2024-10-19 09:56:26,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:56:26,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495996927] [2024-10-19 09:56:26,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:56:26,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:56:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:56:33,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2655 backedges. 2003 proven. 499 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-19 09:56:33,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:56:33,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495996927] [2024-10-19 09:56:33,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495996927] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:56:33,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286242193] [2024-10-19 09:56:33,197 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-19 09:56:33,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:56:33,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:56:33,199 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) [2024-10-19 09:56:33,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-19 09:56:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:56:33,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 1531 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-19 09:56:33,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:56:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2655 backedges. 1435 proven. 177 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2024-10-19 09:56:36,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:56:39,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2655 backedges. 1459 proven. 153 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2024-10-19 09:56:39,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286242193] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:56:39,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:56:39,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [91, 39, 39] total 165 [2024-10-19 09:56:39,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984149387] [2024-10-19 09:56:39,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:56:39,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 166 states [2024-10-19 09:56:39,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:56:39,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2024-10-19 09:56:39,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4284, Invalid=23106, Unknown=0, NotChecked=0, Total=27390 [2024-10-19 09:56:39,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:56:39,578 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:56:39,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 166 states, 166 states have (on average 2.789156626506024) internal successors, (463), 165 states have internal predecessors, (463), 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) [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:56:39,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:56:39,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:56:39,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:56:39,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-19 09:56:39,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-19 09:56:39,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:56:40,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-19 09:56:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-19 09:56:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-19 09:56:40,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-19 09:56:40,381 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 [2024-10-19 09:56:40,381 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)] === [2024-10-19 09:56:40,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:56:40,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1465803251, now seen corresponding path program 20 times [2024-10-19 09:56:40,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:56:40,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717330123] [2024-10-19 09:56:40,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:56:40,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:56:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:56:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2691 backedges. 2003 proven. 517 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-10-19 09:56:47,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:56:47,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717330123] [2024-10-19 09:56:47,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717330123] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:56:47,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880062697] [2024-10-19 09:56:47,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-19 09:56:47,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:56:47,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:56:47,025 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) [2024-10-19 09:56:47,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-19 09:56:47,398 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-19 09:56:47,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:56:47,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 1549 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-19 09:56:47,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:56:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2691 backedges. 1488 proven. 223 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2024-10-19 09:56:50,400 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:56:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2691 backedges. 1540 proven. 171 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2024-10-19 09:56:53,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880062697] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:56:53,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:56:53,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 41, 41] total 170 [2024-10-19 09:56:53,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435740899] [2024-10-19 09:56:53,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:56:53,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 171 states [2024-10-19 09:56:53,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:56:53,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2024-10-19 09:56:53,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4487, Invalid=24583, Unknown=0, NotChecked=0, Total=29070 [2024-10-19 09:56:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:56:53,859 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:56:53,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 171 states, 171 states have (on average 2.7953216374269005) internal successors, (478), 170 states have internal predecessors, (478), 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) [2024-10-19 09:56:53,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:56:53,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:53,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:53,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:56:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:56:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:56:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:56:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:56:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:56:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:56:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:56:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:56:53,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:56:53,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:56:53,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-19 09:56:53,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-19 09:56:53,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-19 09:56:53,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:56:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:56:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:56:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:56:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-19 09:56:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-19 09:56:54,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-19 09:56:54,607 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 [2024-10-19 09:56:54,607 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)] === [2024-10-19 09:56:54,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:56:54,608 INFO L85 PathProgramCache]: Analyzing trace with hash -765471780, now seen corresponding path program 21 times [2024-10-19 09:56:54,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:56:54,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566484556] [2024-10-19 09:56:54,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:56:54,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:56:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:57:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2729 backedges. 2003 proven. 536 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-19 09:57:01,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:57:01,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566484556] [2024-10-19 09:57:01,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566484556] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:57:01,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657773276] [2024-10-19 09:57:01,199 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-19 09:57:01,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:57:01,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:57:01,201 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) [2024-10-19 09:57:01,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-19 09:57:10,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2024-10-19 09:57:10,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:57:10,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 1567 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-10-19 09:57:10,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:57:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2729 backedges. 2349 proven. 190 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-19 09:57:14,316 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:57:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2729 backedges. 2349 proven. 190 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-19 09:57:18,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657773276] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:57:18,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:57:18,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 47, 47] total 184 [2024-10-19 09:57:18,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293723131] [2024-10-19 09:57:18,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:57:18,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2024-10-19 09:57:18,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:57:18,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2024-10-19 09:57:18,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4870, Invalid=29170, Unknown=0, NotChecked=0, Total=34040 [2024-10-19 09:57:18,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:57:18,594 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:57:18,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 185 states have (on average 3.9135135135135135) internal successors, (724), 184 states have internal predecessors, (724), 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) [2024-10-19 09:57:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:57:18,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:57:18,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:57:18,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:57:18,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:57:18,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:57:18,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:57:18,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:57:18,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:57:18,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:57:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:57:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:57:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:57:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:57:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:57:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:57:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-19 09:57:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-19 09:57:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-19 09:57:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-19 09:57:18,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:57:19,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:57:19,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:57:19,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:57:19,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:57:19,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-19 09:57:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-19 09:57:19,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-19 09:57:19,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-10-19 09:57:19,632 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-19 09:57:19,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:57:19,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2120453500, now seen corresponding path program 22 times [2024-10-19 09:57:19,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:57:19,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610223420] [2024-10-19 09:57:19,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:57:19,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:57:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:57:26,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2999 backedges. 644 proven. 2355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 09:57:26,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:57:26,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610223420] [2024-10-19 09:57:26,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610223420] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:57:26,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850095496] [2024-10-19 09:57:26,815 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-19 09:57:26,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:57:26,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:57:26,817 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 09:57:26,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-19 09:57:27,087 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-19 09:57:27,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 09:57:27,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-10-19 09:57:27,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 09:57:32,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2999 backedges. 114 proven. 2234 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-10-19 09:57:32,419 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 09:57:36,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2999 backedges. 1520 proven. 813 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2024-10-19 09:57:36,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850095496] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 09:57:36,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 09:57:36,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 71, 49] total 202 [2024-10-19 09:57:36,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892727803] [2024-10-19 09:57:36,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 09:57:36,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 202 states [2024-10-19 09:57:36,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 09:57:36,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2024-10-19 09:57:36,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4948, Invalid=35654, Unknown=0, NotChecked=0, Total=40602 [2024-10-19 09:57:36,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:57:36,873 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 09:57:36,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 202 states, 202 states have (on average 3.4653465346534653) internal successors, (700), 202 states have internal predecessors, (700), 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) [2024-10-19 09:57:36,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:57:36,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:57:36,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:57:36,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:57:36,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:57:36,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:57:36,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:57:36,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:57:36,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:57:36,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:57:36,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:57:36,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:57:36,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:57:36,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:57:36,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:57:36,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:57:36,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-19 09:57:36,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-19 09:57:36,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-19 09:57:36,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-19 09:57:36,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-19 09:57:36,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-19 09:58:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-19 09:58:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-19 09:58:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-19 09:58:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-19 09:58:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-19 09:58:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-19 09:58:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-19 09:58:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-19 09:58:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-19 09:58:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 401 states. [2024-10-19 09:58:11,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-19 09:58:12,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-10-19 09:58:12,114 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-19 09:58:12,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 09:58:12,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1772414659, now seen corresponding path program 23 times [2024-10-19 09:58:12,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 09:58:12,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217556291] [2024-10-19 09:58:12,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 09:58:12,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 09:58:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 09:58:41,593 INFO L134 CoverageAnalysis]: Checked inductivity of 12444 backedges. 10701 proven. 1418 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-10-19 09:58:41,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 09:58:41,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217556291] [2024-10-19 09:58:41,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217556291] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 09:58:41,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682144201] [2024-10-19 09:58:41,594 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-19 09:58:41,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 09:58:41,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 09:58:41,595 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 09:58:41,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process Killed by 15