./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20174008 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-sum-alt.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 91d7b70e505e7aef19ce206c76dac3b8838d1608e22286f0e4e4335d9f63c057 --- Real Ultimate output --- This is Ultimate 0.2.3-?-2017400-m [2023-11-24 09:37:33,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 09:37:33,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-24 09:37:33,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 09:37:33,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 09:37:33,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 09:37:33,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 09:37:33,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 09:37:33,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 09:37:33,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 09:37:33,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 09:37:33,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 09:37:33,983 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 09:37:33,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 09:37:33,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 09:37:33,985 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 09:37:33,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 09:37:33,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 09:37:33,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 09:37:33,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 09:37:33,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 09:37:33,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 09:37:33,988 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 09:37:33,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 09:37:33,989 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 09:37:33,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 09:37:33,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 09:37:33,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 09:37:33,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 09:37:33,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 09:37:33,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 09:37:33,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 09:37:33,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 09:37:33,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 09:37:33,992 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-24 09:37:33,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 09:37:33,992 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 09:37:33,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 09:37:33,992 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 09:37:33,992 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 09:37:33,993 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 09:37:33,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91d7b70e505e7aef19ce206c76dac3b8838d1608e22286f0e4e4335d9f63c057 [2023-11-24 09:37:34,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 09:37:34,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 09:37:34,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 09:37:34,204 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 09:37:34,205 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 09:37:34,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-24 09:37:35,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 09:37:35,349 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 09:37:35,350 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-24 09:37:35,357 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b1a6cfc83/2effc11a62f44ae1b5adb0772d2f274d/FLAGc56a4d77b [2023-11-24 09:37:35,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b1a6cfc83/2effc11a62f44ae1b5adb0772d2f274d [2023-11-24 09:37:35,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 09:37:35,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 09:37:35,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 09:37:35,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 09:37:35,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 09:37:35,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681e4f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35, skipping insertion in model container [2023-11-24 09:37:35,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,398 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 09:37:35,503 WARN L240 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-sum-alt.wvr.c[2800,2813] [2023-11-24 09:37:35,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 09:37:35,518 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 09:37:35,533 WARN L240 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-sum-alt.wvr.c[2800,2813] [2023-11-24 09:37:35,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 09:37:35,545 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 09:37:35,545 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 09:37:35,550 INFO L206 MainTranslator]: Completed translation [2023-11-24 09:37:35,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35 WrapperNode [2023-11-24 09:37:35,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 09:37:35,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 09:37:35,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 09:37:35,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 09:37:35,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,580 INFO L138 Inliner]: procedures = 25, calls = 51, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 209 [2023-11-24 09:37:35,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 09:37:35,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 09:37:35,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 09:37:35,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 09:37:35,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 09:37:35,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 09:37:35,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 09:37:35,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 09:37:35,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35" (1/1) ... [2023-11-24 09:37:35,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 09:37:35,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:37:35,653 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) [2023-11-24 09:37:35,672 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 [2023-11-24 09:37:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 09:37:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 09:37:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 09:37:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 09:37:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 09:37:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 09:37:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 09:37:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 09:37:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 09:37:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 09:37:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 09:37:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 09:37:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 09:37:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 09:37:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 09:37:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 09:37:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 09:37:35,699 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 09:37:35,774 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 09:37:35,776 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 09:37:36,013 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 09:37:36,266 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 09:37:36,266 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 09:37:36,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:37:36 BoogieIcfgContainer [2023-11-24 09:37:36,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 09:37:36,269 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 09:37:36,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 09:37:36,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 09:37:36,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 09:37:35" (1/3) ... [2023-11-24 09:37:36,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25855365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:37:36, skipping insertion in model container [2023-11-24 09:37:36,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:37:35" (2/3) ... [2023-11-24 09:37:36,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25855365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:37:36, skipping insertion in model container [2023-11-24 09:37:36,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:37:36" (3/3) ... [2023-11-24 09:37:36,275 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2023-11-24 09:37:36,283 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 09:37:36,290 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 09:37:36,291 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 09:37:36,291 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 09:37:36,339 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-24 09:37:36,377 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 09:37:36,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 09:37:36,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:37:36,379 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) [2023-11-24 09:37:36,407 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 [2023-11-24 09:37:36,420 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 09:37:36,429 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 09:37:36,435 INFO L357 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, mHoare=true, 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;@56d75bbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 09:37:36,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-24 09:37:36,669 INFO L420 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)] === [2023-11-24 09:37:36,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:37:36,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1837104766, now seen corresponding path program 1 times [2023-11-24 09:37:36,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:37:36,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306762885] [2023-11-24 09:37:36,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:37:36,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:37:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:37,146 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 09:37:37,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:37:37,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306762885] [2023-11-24 09:37:37,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306762885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 09:37:37,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 09:37:37,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 09:37:37,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142822600] [2023-11-24 09:37:37,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 09:37:37,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 09:37:37,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:37:37,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 09:37:37,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-24 09:37:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:37,179 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:37:37,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 09:37:37,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:37,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:37,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 09:37:37,291 INFO L420 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)] === [2023-11-24 09:37:37,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:37:37,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1761768536, now seen corresponding path program 1 times [2023-11-24 09:37:37,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:37:37,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045345839] [2023-11-24 09:37:37,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:37:37,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:37:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 09:37:37,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:37:37,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045345839] [2023-11-24 09:37:37,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045345839] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:37:37,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123044602] [2023-11-24 09:37:37,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:37:37,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:37,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:37:37,521 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) [2023-11-24 09:37:37,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 09:37:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:37,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 09:37:37,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:37:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 09:37:37,777 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:37:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 09:37:37,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123044602] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:37:37,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:37:37,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 16 [2023-11-24 09:37:37,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179627269] [2023-11-24 09:37:37,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:37:37,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-24 09:37:37,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:37:37,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-24 09:37:37,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-11-24 09:37:37,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:37,899 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:37:37,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.823529411764706) internal successors, (82), 16 states have internal predecessors, (82), 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) [2023-11-24 09:37:37,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:37,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:38,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:38,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:38,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-24 09:37:38,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-24 09:37:38,242 INFO L420 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)] === [2023-11-24 09:37:38,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:37:38,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1657691202, now seen corresponding path program 2 times [2023-11-24 09:37:38,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:37:38,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633054050] [2023-11-24 09:37:38,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:37:38,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:37:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 09:37:38,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:37:38,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633054050] [2023-11-24 09:37:38,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633054050] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:37:38,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743979399] [2023-11-24 09:37:38,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 09:37:38,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:38,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:37:38,487 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) [2023-11-24 09:37:38,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-24 09:37:38,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-24 09:37:38,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:37:38,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 09:37:38,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:37:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 09:37:38,756 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:37:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 09:37:38,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743979399] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:37:38,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:37:38,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 24 [2023-11-24 09:37:38,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847200801] [2023-11-24 09:37:38,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:37:38,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-24 09:37:38,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:37:38,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-24 09:37:38,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2023-11-24 09:37:38,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:38,904 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:37:38,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.04) internal successors, (101), 24 states have internal predecessors, (101), 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) [2023-11-24 09:37:38,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:38,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:38,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:39,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:39,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:39,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:39,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-24 09:37:39,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:39,235 INFO L420 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)] === [2023-11-24 09:37:39,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:37:39,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1568706152, now seen corresponding path program 3 times [2023-11-24 09:37:39,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:37:39,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251285798] [2023-11-24 09:37:39,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:37:39,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:37:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 09:37:39,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:37:39,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251285798] [2023-11-24 09:37:39,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251285798] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:37:39,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041536937] [2023-11-24 09:37:39,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-24 09:37:39,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:39,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:37:39,415 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) [2023-11-24 09:37:39,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-24 09:37:39,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-24 09:37:39,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:37:39,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 09:37:39,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:37:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 09:37:39,641 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:37:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 09:37:39,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041536937] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:37:39,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:37:39,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2023-11-24 09:37:39,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708982793] [2023-11-24 09:37:39,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:37:39,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-24 09:37:39,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:37:39,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-24 09:37:39,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2023-11-24 09:37:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:39,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:37:39,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.9) internal successors, (98), 19 states have internal predecessors, (98), 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) [2023-11-24 09:37:39,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:39,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:39,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:39,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:39,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-24 09:37:40,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:40,117 INFO L420 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)] === [2023-11-24 09:37:40,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:37:40,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1860223399, now seen corresponding path program 4 times [2023-11-24 09:37:40,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:37:40,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315142188] [2023-11-24 09:37:40,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:37:40,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:37:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 09:37:40,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:37:40,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315142188] [2023-11-24 09:37:40,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315142188] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:37:40,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785735177] [2023-11-24 09:37:40,332 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-24 09:37:40,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:40,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:37:40,333 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) [2023-11-24 09:37:40,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-24 09:37:40,419 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-24 09:37:40,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:37:40,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 09:37:40,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:37:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 09:37:40,689 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:37:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 09:37:40,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785735177] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:37:40,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:37:40,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 12] total 35 [2023-11-24 09:37:40,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325019337] [2023-11-24 09:37:40,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:37:40,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-24 09:37:40,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:37:40,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-24 09:37:40,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1012, Unknown=0, NotChecked=0, Total=1190 [2023-11-24 09:37:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:40,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:37:40,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.514285714285714) internal successors, (158), 35 states have internal predecessors, (158), 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) [2023-11-24 09:37:40,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:40,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:40,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:40,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:40,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:42,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:42,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:37:42,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-24 09:37:42,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:42,258 INFO L420 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)] === [2023-11-24 09:37:42,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:37:42,258 INFO L85 PathProgramCache]: Analyzing trace with hash 187438525, now seen corresponding path program 5 times [2023-11-24 09:37:42,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:37:42,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145659717] [2023-11-24 09:37:42,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:37:42,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:37:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:43,172 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 159 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 09:37:43,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:37:43,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145659717] [2023-11-24 09:37:43,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145659717] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:37:43,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164076998] [2023-11-24 09:37:43,173 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-24 09:37:43,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:43,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:37:43,174 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) [2023-11-24 09:37:43,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-24 09:37:43,306 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-11-24 09:37:43,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:37:43,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 09:37:43,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:37:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 247 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-24 09:37:43,628 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:37:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 247 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-24 09:37:43,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164076998] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:37:43,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:37:43,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 12, 12] total 51 [2023-11-24 09:37:43,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027539097] [2023-11-24 09:37:43,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:37:43,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-11-24 09:37:43,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:37:43,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-11-24 09:37:43,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=2267, Unknown=0, NotChecked=0, Total=2652 [2023-11-24 09:37:43,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:43,946 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:37:43,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.826923076923077) internal successors, (251), 51 states have internal predecessors, (251), 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) [2023-11-24 09:37:43,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:43,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:43,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:43,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:43,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:37:43,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:44,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:37:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:37:44,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-24 09:37:44,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:44,426 INFO L420 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)] === [2023-11-24 09:37:44,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:37:44,426 INFO L85 PathProgramCache]: Analyzing trace with hash 53170919, now seen corresponding path program 6 times [2023-11-24 09:37:44,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:37:44,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144630648] [2023-11-24 09:37:44,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:37:44,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:37:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 159 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 09:37:45,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:37:45,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144630648] [2023-11-24 09:37:45,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144630648] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:37:45,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409921392] [2023-11-24 09:37:45,319 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-24 09:37:45,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:45,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:37:45,320 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) [2023-11-24 09:37:45,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-24 09:37:45,557 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-11-24 09:37:45,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:37:45,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 09:37:45,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:37:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 181 proven. 23 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-24 09:37:46,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:37:46,435 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 189 proven. 15 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-24 09:37:46,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409921392] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:37:46,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:37:46,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 15, 15] total 58 [2023-11-24 09:37:46,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138337298] [2023-11-24 09:37:46,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:37:46,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-11-24 09:37:46,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:37:46,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-11-24 09:37:46,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=2926, Unknown=0, NotChecked=0, Total=3422 [2023-11-24 09:37:46,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:46,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:37:46,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 3.711864406779661) internal successors, (219), 58 states have internal predecessors, (219), 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) [2023-11-24 09:37:46,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:46,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:46,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:46,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:46,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:37:46,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:37:46,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:46,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:37:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:37:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:37:46,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-24 09:37:46,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-24 09:37:46,881 INFO L420 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)] === [2023-11-24 09:37:46,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:37:46,882 INFO L85 PathProgramCache]: Analyzing trace with hash 185842429, now seen corresponding path program 7 times [2023-11-24 09:37:46,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:37:46,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144525709] [2023-11-24 09:37:46,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:37:46,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:37:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 269 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 09:37:47,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:37:47,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144525709] [2023-11-24 09:37:47,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144525709] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:37:47,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871150590] [2023-11-24 09:37:47,234 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-24 09:37:47,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:47,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:37:47,235 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) [2023-11-24 09:37:47,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-24 09:37:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:47,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 09:37:47,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:37:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 198 proven. 42 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-11-24 09:37:47,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:37:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 219 proven. 21 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-11-24 09:37:48,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871150590] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:37:48,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:37:48,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2023-11-24 09:37:48,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838931861] [2023-11-24 09:37:48,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:37:48,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-11-24 09:37:48,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:37:48,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-11-24 09:37:48,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=1761, Unknown=0, NotChecked=0, Total=2162 [2023-11-24 09:37:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:48,152 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:37:48,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.659574468085107) internal successors, (219), 46 states have internal predecessors, (219), 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) [2023-11-24 09:37:48,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:48,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:48,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:48,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:48,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:37:48,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:37:48,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:37:48,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:48,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:48,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:48,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:48,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:48,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:37:48,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:37:48,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:37:48,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:37:48,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-24 09:37:48,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:48,488 INFO L420 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)] === [2023-11-24 09:37:48,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:37:48,489 INFO L85 PathProgramCache]: Analyzing trace with hash 3691943, now seen corresponding path program 8 times [2023-11-24 09:37:48,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:37:48,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711657922] [2023-11-24 09:37:48,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:37:48,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:37:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 237 proven. 81 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 09:37:48,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:37:48,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711657922] [2023-11-24 09:37:48,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711657922] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:37:48,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078024531] [2023-11-24 09:37:48,915 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 09:37:48,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:48,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:37:48,916 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) [2023-11-24 09:37:48,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-24 09:37:49,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-24 09:37:49,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:37:49,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 09:37:49,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:37:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 223 proven. 40 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-24 09:37:49,554 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:37:50,049 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 235 proven. 28 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-24 09:37:50,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078024531] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:37:50,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:37:50,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 53 [2023-11-24 09:37:50,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361749196] [2023-11-24 09:37:50,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:37:50,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-11-24 09:37:50,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:37:50,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-11-24 09:37:50,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=2324, Unknown=0, NotChecked=0, Total=2862 [2023-11-24 09:37:50,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:50,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:37:50,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.314814814814815) internal successors, (233), 53 states have internal predecessors, (233), 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) [2023-11-24 09:37:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:37:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:37:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:37:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:37:50,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:37:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:37:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:37:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:37:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:50,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-24 09:37:50,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:50,445 INFO L420 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)] === [2023-11-24 09:37:50,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:37:50,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1348005827, now seen corresponding path program 9 times [2023-11-24 09:37:50,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:37:50,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513990072] [2023-11-24 09:37:50,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:37:50,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:37:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 98 proven. 235 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 09:37:50,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:37:50,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513990072] [2023-11-24 09:37:50,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513990072] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:37:50,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825183458] [2023-11-24 09:37:50,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-24 09:37:50,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:50,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:37:50,841 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) [2023-11-24 09:37:50,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-24 09:37:51,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-11-24 09:37:51,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:37:51,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 09:37:51,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:37:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 105 proven. 228 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 09:37:51,532 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:37:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 113 proven. 220 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 09:37:51,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825183458] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:37:51,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:37:51,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 44 [2023-11-24 09:37:51,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885749608] [2023-11-24 09:37:51,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:37:51,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-11-24 09:37:51,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:37:51,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-11-24 09:37:51,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=478, Invalid=1502, Unknown=0, NotChecked=0, Total=1980 [2023-11-24 09:37:51,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:51,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:37:51,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.133333333333334) internal successors, (231), 44 states have internal predecessors, (231), 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) [2023-11-24 09:37:51,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:51,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:51,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:51,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:51,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:37:51,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:37:51,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:37:51,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:37:51,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:51,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:52,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:37:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:37:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:37:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:37:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:37:52,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-24 09:37:52,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-24 09:37:52,326 INFO L420 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)] === [2023-11-24 09:37:52,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:37:52,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1084146104, now seen corresponding path program 10 times [2023-11-24 09:37:52,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:37:52,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260221317] [2023-11-24 09:37:52,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:37:52,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:37:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:37:53,594 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 393 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 09:37:53,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:37:53,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260221317] [2023-11-24 09:37:53,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260221317] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:37:53,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111444273] [2023-11-24 09:37:53,595 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-24 09:37:53,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:37:53,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:37:53,596 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) [2023-11-24 09:37:53,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-24 09:37:53,732 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-24 09:37:53,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:37:53,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 09:37:53,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:37:55,015 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 116 proven. 490 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-24 09:37:55,016 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:37:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 446 proven. 160 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-24 09:37:56,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111444273] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:37:56,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:37:56,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 34, 26] total 101 [2023-11-24 09:37:56,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682752835] [2023-11-24 09:37:56,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:37:56,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2023-11-24 09:37:56,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:37:56,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2023-11-24 09:37:56,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1339, Invalid=8761, Unknown=0, NotChecked=0, Total=10100 [2023-11-24 09:37:56,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:37:56,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:37:56,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 4.03960396039604) internal successors, (408), 101 states have internal predecessors, (408), 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) [2023-11-24 09:37:56,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:37:56,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:37:56,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:37:56,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:56,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:37:56,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:37:56,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:37:56,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:37:56,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:37:56,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:37:56,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:38:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:38:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:38:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:38:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:38:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:38:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:38:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:38:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:38:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:38:00,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-24 09:38:00,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:38:00,348 INFO L420 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)] === [2023-11-24 09:38:00,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:38:00,348 INFO L85 PathProgramCache]: Analyzing trace with hash 2142121717, now seen corresponding path program 11 times [2023-11-24 09:38:00,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:38:00,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223498597] [2023-11-24 09:38:00,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:38:00,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:38:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:38:02,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1537 backedges. 1129 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 09:38:02,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:38:02,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223498597] [2023-11-24 09:38:02,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223498597] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:38:02,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389749931] [2023-11-24 09:38:02,836 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-24 09:38:02,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:38:02,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:38:02,836 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) [2023-11-24 09:38:02,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-24 09:38:03,082 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2023-11-24 09:38:03,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:38:03,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 09:38:03,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:38:05,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1537 backedges. 171 proven. 1317 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-24 09:38:05,272 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:38:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1537 backedges. 187 proven. 1301 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-24 09:38:07,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389749931] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:38:07,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:38:07,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 38, 38] total 135 [2023-11-24 09:38:07,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924173753] [2023-11-24 09:38:07,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:38:07,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2023-11-24 09:38:07,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:38:07,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2023-11-24 09:38:07,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2200, Invalid=15890, Unknown=0, NotChecked=0, Total=18090 [2023-11-24 09:38:07,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:38:07,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:38:07,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 4.5777777777777775) internal successors, (618), 135 states have internal predecessors, (618), 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) [2023-11-24 09:38:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:38:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:38:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:38:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:38:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:38:07,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:38:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:38:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:38:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:38:07,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:38:16,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:38:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:38:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:38:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:38:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:38:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:38:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:38:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:38:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:38:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:38:16,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-24 09:38:16,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-24 09:38:16,289 INFO L420 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)] === [2023-11-24 09:38:16,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:38:16,289 INFO L85 PathProgramCache]: Analyzing trace with hash -974614552, now seen corresponding path program 12 times [2023-11-24 09:38:16,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:38:16,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508103899] [2023-11-24 09:38:16,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:38:16,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:38:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:38:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 8162 backedges. 7219 proven. 943 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 09:38:26,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:38:26,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508103899] [2023-11-24 09:38:26,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508103899] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:38:26,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543882919] [2023-11-24 09:38:26,330 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-24 09:38:26,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:38:26,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:38:26,331 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) [2023-11-24 09:38:26,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-24 09:38:28,372 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2023-11-24 09:38:28,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:38:28,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 09:38:28,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:38:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 8162 backedges. 5460 proven. 55 refuted. 0 times theorem prover too weak. 2647 trivial. 0 not checked. [2023-11-24 09:38:30,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:38:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 8162 backedges. 5460 proven. 55 refuted. 0 times theorem prover too weak. 2647 trivial. 0 not checked. [2023-11-24 09:38:32,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543882919] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:38:32,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:38:32,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [126, 29, 29] total 182 [2023-11-24 09:38:32,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685560066] [2023-11-24 09:38:32,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:38:32,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 183 states [2023-11-24 09:38:32,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:38:32,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2023-11-24 09:38:32,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6982, Invalid=26324, Unknown=0, NotChecked=0, Total=33306 [2023-11-24 09:38:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:38:32,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:38:32,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 183 states, 183 states have (on average 4.956284153005464) internal successors, (907), 182 states have internal predecessors, (907), 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) [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:38:32,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:38:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:38:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:38:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:38:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:38:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:38:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:38:32,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:38:32,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:32,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:38:32,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:38:32,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:38:32,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:38:32,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-24 09:38:32,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-24 09:38:32,976 INFO L420 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)] === [2023-11-24 09:38:32,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:38:32,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1580933208, now seen corresponding path program 13 times [2023-11-24 09:38:32,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:38:32,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419255588] [2023-11-24 09:38:32,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:38:32,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:38:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:38:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 8243 backedges. 7219 proven. 1024 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 09:38:43,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:38:43,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419255588] [2023-11-24 09:38:43,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419255588] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:38:43,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287765045] [2023-11-24 09:38:43,437 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-24 09:38:43,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:38:43,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:38:43,438 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) [2023-11-24 09:38:43,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-24 09:38:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:38:43,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 1789 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 09:38:43,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:38:46,371 INFO L134 CoverageAnalysis]: Checked inductivity of 8243 backedges. 3226 proven. 197 refuted. 0 times theorem prover too weak. 4820 trivial. 0 not checked. [2023-11-24 09:38:46,372 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:38:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8243 backedges. 3287 proven. 136 refuted. 0 times theorem prover too weak. 4820 trivial. 0 not checked. [2023-11-24 09:38:49,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287765045] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:38:49,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:38:49,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [132, 37, 37] total 202 [2023-11-24 09:38:49,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469421722] [2023-11-24 09:38:49,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:38:49,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2023-11-24 09:38:49,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:38:49,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2023-11-24 09:38:49,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7600, Invalid=33406, Unknown=0, NotChecked=0, Total=41006 [2023-11-24 09:38:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:38:49,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:38:49,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 3.665024630541872) internal successors, (744), 202 states have internal predecessors, (744), 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) [2023-11-24 09:38:49,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:38:49,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:38:49,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:38:49,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:49,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:38:49,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:38:49,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:38:49,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:38:49,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:49,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:38:49,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:38:49,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:38:49,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:38:49,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:38:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:38:49,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-24 09:38:49,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-24 09:38:49,584 INFO L420 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)] === [2023-11-24 09:38:49,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:38:49,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1332859090, now seen corresponding path program 14 times [2023-11-24 09:38:49,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:38:49,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117412643] [2023-11-24 09:38:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:38:49,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:38:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:39:00,035 INFO L134 CoverageAnalysis]: Checked inductivity of 8260 backedges. 7219 proven. 1041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 09:39:00,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:39:00,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117412643] [2023-11-24 09:39:00,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117412643] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:39:00,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126313318] [2023-11-24 09:39:00,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 09:39:00,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:39:00,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:39:00,037 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) [2023-11-24 09:39:00,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-24 09:39:00,406 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-24 09:39:00,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:39:00,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 1798 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-24 09:39:00,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:39:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 8260 backedges. 3370 proven. 185 refuted. 0 times theorem prover too weak. 4705 trivial. 0 not checked. [2023-11-24 09:39:03,176 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:39:06,073 INFO L134 CoverageAnalysis]: Checked inductivity of 8260 backedges. 3402 proven. 153 refuted. 0 times theorem prover too weak. 4705 trivial. 0 not checked. [2023-11-24 09:39:06,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126313318] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:39:06,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:39:06,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [133, 39, 39] total 207 [2023-11-24 09:39:06,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633852979] [2023-11-24 09:39:06,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:39:06,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 208 states [2023-11-24 09:39:06,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:39:06,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2023-11-24 09:39:06,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7832, Invalid=35224, Unknown=0, NotChecked=0, Total=43056 [2023-11-24 09:39:06,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:39:06,081 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:39:06,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 208 states, 208 states have (on average 3.6298076923076925) internal successors, (755), 207 states have internal predecessors, (755), 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) [2023-11-24 09:39:06,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:39:06,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:39:06,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:39:06,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:39:06,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:39:06,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:39:06,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:39:06,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:39:06,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:39:06,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:39:06,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:39:06,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:39:06,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:39:06,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:39:06,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:39:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:39:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:39:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:39:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:39:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:39:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:39:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:39:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:39:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:39:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:39:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:39:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:39:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:39:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:39:06,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:39:06,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-24 09:39:06,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:39:06,560 INFO L420 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)] === [2023-11-24 09:39:06,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:39:06,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1466107112, now seen corresponding path program 15 times [2023-11-24 09:39:06,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:39:06,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239156094] [2023-11-24 09:39:06,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:39:06,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:39:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:39:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8278 backedges. 7219 proven. 1059 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 09:39:17,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:39:17,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239156094] [2023-11-24 09:39:17,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239156094] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:39:17,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733499935] [2023-11-24 09:39:17,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-24 09:39:17,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:39:17,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:39:17,322 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) [2023-11-24 09:39:17,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-24 09:39:22,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 38 check-sat command(s) [2023-11-24 09:39:22,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:39:22,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-24 09:39:22,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:39:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8278 backedges. 8095 proven. 171 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 09:39:27,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:39:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 8278 backedges. 8095 proven. 171 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 09:39:31,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733499935] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:39:31,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:39:31,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [134, 58, 58] total 247 [2023-11-24 09:39:31,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521268691] [2023-11-24 09:39:31,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:39:31,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 248 states [2023-11-24 09:39:31,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:39:31,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 248 interpolants. [2023-11-24 09:39:31,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10809, Invalid=50447, Unknown=0, NotChecked=0, Total=61256 [2023-11-24 09:39:31,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:39:31,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:39:31,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 248 states, 248 states have (on average 5.649193548387097) internal successors, (1401), 247 states have internal predecessors, (1401), 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) [2023-11-24 09:39:31,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:39:31,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:39:31,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:39:31,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:39:31,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:39:31,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:39:31,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:39:31,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:39:31,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:39:31,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:39:31,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:39:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:39:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:39:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:39:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:39:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:39:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:39:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:39:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:39:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:39:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:39:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:39:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:39:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:39:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:39:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:39:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:39:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:39:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:39:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:39:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:39:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:39:32,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-24 09:39:32,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-24 09:39:32,343 INFO L420 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)] === [2023-11-24 09:39:32,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:39:32,343 INFO L85 PathProgramCache]: Analyzing trace with hash 440597586, now seen corresponding path program 16 times [2023-11-24 09:39:32,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:39:32,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042735555] [2023-11-24 09:39:32,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:39:32,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:39:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:39:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 8810 backedges. 7569 proven. 1241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 09:39:40,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:39:40,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042735555] [2023-11-24 09:39:40,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042735555] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:39:40,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802972910] [2023-11-24 09:39:40,336 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-24 09:39:40,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:39:40,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:39:40,337 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) [2023-11-24 09:39:40,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-24 09:39:40,596 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-24 09:39:40,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:39:40,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 113 conjunts are in the unsatisfiable core [2023-11-24 09:39:40,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:39:49,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8810 backedges. 459 proven. 7643 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2023-11-24 09:39:49,405 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:39:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 8810 backedges. 6747 proven. 1355 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2023-11-24 09:39:57,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802972910] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:39:57,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:39:57,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [115, 114, 80] total 306 [2023-11-24 09:39:57,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282145749] [2023-11-24 09:39:57,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:39:57,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 306 states [2023-11-24 09:39:57,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:39:57,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 306 interpolants. [2023-11-24 09:39:57,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13922, Invalid=79408, Unknown=0, NotChecked=0, Total=93330 [2023-11-24 09:39:57,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:39:57,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:39:57,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 306 states, 306 states have (on average 4.565359477124183) internal successors, (1397), 306 states have internal predecessors, (1397), 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) [2023-11-24 09:39:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:39:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:39:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:39:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:39:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:39:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:39:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:39:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:39:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:39:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:39:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:39:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:39:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:39:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:39:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:39:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:39:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:40:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:40:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:40:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:40:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:40:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:40:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:40:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:40:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:40:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:40:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:40:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:40:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:40:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:40:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:40:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:40:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:40:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 381 states. [2023-11-24 09:40:28,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-24 09:40:29,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-24 09:40:29,103 INFO L420 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)] === [2023-11-24 09:40:29,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:40:29,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1719458381, now seen corresponding path program 17 times [2023-11-24 09:40:29,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:40:29,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523064012] [2023-11-24 09:40:29,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:40:29,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:40:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:40:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12587 backedges. 10763 proven. 1824 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 09:40:48,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:40:48,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523064012] [2023-11-24 09:40:48,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523064012] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:40:48,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616473686] [2023-11-24 09:40:48,104 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-24 09:40:48,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:40:48,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:40:48,105 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) [2023-11-24 09:40:48,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-24 09:41:24,239 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 46 check-sat command(s) [2023-11-24 09:41:24,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:41:24,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 2286 conjuncts, 90 conjunts are in the unsatisfiable core [2023-11-24 09:41:24,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:41:32,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12587 backedges. 11842 proven. 741 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 09:41:32,359 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:41:41,499 INFO L134 CoverageAnalysis]: Checked inductivity of 12587 backedges. 11842 proven. 741 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 09:41:41,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616473686] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:41:41,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:41:41,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [177, 87, 87] total 349 [2023-11-24 09:41:41,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216370263] [2023-11-24 09:41:41,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:41:41,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 350 states [2023-11-24 09:41:41,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:41:41,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 350 interpolants. [2023-11-24 09:41:41,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17576, Invalid=104574, Unknown=0, NotChecked=0, Total=122150 [2023-11-24 09:41:41,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:41:41,515 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:41:41,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 350 states, 350 states have (on average 5.014285714285714) internal successors, (1755), 349 states have internal predecessors, (1755), 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) [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:41:41,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:41:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:41:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 381 states. [2023-11-24 09:41:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:41:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:41:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:41:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:41:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:41:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:41:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:41:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:41:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:41:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:41:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:41:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:41:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:41:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:41:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:41:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:41:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:41:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 381 states. [2023-11-24 09:41:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-24 09:41:42,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-24 09:41:42,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-24 09:41:42,294 INFO L420 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)] === [2023-11-24 09:41:42,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:41:42,294 INFO L85 PathProgramCache]: Analyzing trace with hash 871124813, now seen corresponding path program 18 times [2023-11-24 09:41:42,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:41:42,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121720027] [2023-11-24 09:41:42,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:41:42,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:41:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:41:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12927 backedges. 1545 proven. 11377 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 09:41:49,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:41:49,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121720027] [2023-11-24 09:41:49,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121720027] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:41:49,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94940479] [2023-11-24 09:41:49,008 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-24 09:41:49,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:41:49,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:41:49,009 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) [2023-11-24 09:41:49,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-24 09:43:52,049 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 46 check-sat command(s) [2023-11-24 09:43:52,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:43:52,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 102 conjunts are in the unsatisfiable core [2023-11-24 09:43:52,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:43:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 12927 backedges. 10028 proven. 2895 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 09:43:58,986 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:44:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12927 backedges. 11842 proven. 1081 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 09:44:08,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94940479] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:44:08,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:44:08,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 100, 100] total 293 [2023-11-24 09:44:08,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001380075] [2023-11-24 09:44:08,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:44:08,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 294 states [2023-11-24 09:44:08,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:44:08,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 294 interpolants. [2023-11-24 09:44:08,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10211, Invalid=75931, Unknown=0, NotChecked=0, Total=86142 [2023-11-24 09:44:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:44:08,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:44:08,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 294 states, 294 states have (on average 6.0272108843537415) internal successors, (1772), 293 states have internal predecessors, (1772), 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) [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 381 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-24 09:44:08,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:44:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:44:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 381 states. [2023-11-24 09:44:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-24 09:44:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-11-24 09:44:14,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-24 09:44:15,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:44:15,140 INFO L420 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)] === [2023-11-24 09:44:15,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:44:15,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1425050900, now seen corresponding path program 19 times [2023-11-24 09:44:15,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:44:15,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356804249] [2023-11-24 09:44:15,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:44:15,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:44:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:44:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 17146 backedges. 15430 proven. 1688 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 09:44:23,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:44:23,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356804249] [2023-11-24 09:44:23,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356804249] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:44:23,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976921503] [2023-11-24 09:44:23,529 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-24 09:44:23,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:44:23,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:44:23,530 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) [2023-11-24 09:44:23,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-24 09:44:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:44:24,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 2667 conjuncts, 107 conjunts are in the unsatisfiable core [2023-11-24 09:44:24,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:44:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 17146 backedges. 11611 proven. 1472 refuted. 0 times theorem prover too weak. 4063 trivial. 0 not checked. [2023-11-24 09:44:32,288 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:44:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 17146 backedges. 11808 proven. 1275 refuted. 0 times theorem prover too weak. 4063 trivial. 0 not checked. [2023-11-24 09:44:42,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976921503] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:44:42,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:44:42,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 105, 105] total 312 [2023-11-24 09:44:42,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648851601] [2023-11-24 09:44:42,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:44:42,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 313 states [2023-11-24 09:44:42,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:44:42,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 313 interpolants. [2023-11-24 09:44:42,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16987, Invalid=80669, Unknown=0, NotChecked=0, Total=97656 [2023-11-24 09:44:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:44:42,572 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:44:42,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 313 states, 313 states have (on average 4.472843450479234) internal successors, (1400), 312 states have internal predecessors, (1400), 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) [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 381 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-11-24 09:44:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:44:43,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 381 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-24 09:44:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-11-24 09:44:43,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:44:43,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-24 09:44:43,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2023-11-24 09:44:43,302 INFO L420 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)] === [2023-11-24 09:44:43,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:44:43,303 INFO L85 PathProgramCache]: Analyzing trace with hash 70729110, now seen corresponding path program 20 times [2023-11-24 09:44:43,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:44:43,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337201554] [2023-11-24 09:44:43,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:44:43,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:44:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:44:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 17197 backedges. 15658 proven. 1527 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 09:44:51,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:44:51,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337201554] [2023-11-24 09:44:51,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337201554] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:44:51,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099167450] [2023-11-24 09:44:51,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 09:44:51,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:44:51,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:44:51,706 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) [2023-11-24 09:44:51,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-24 09:44:52,243 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-24 09:44:52,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:44:52,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 2676 conjuncts, 109 conjunts are in the unsatisfiable core [2023-11-24 09:44:52,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:45:00,625 INFO L134 CoverageAnalysis]: Checked inductivity of 17197 backedges. 11814 proven. 1426 refuted. 0 times theorem prover too weak. 3957 trivial. 0 not checked. [2023-11-24 09:45:00,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:45:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 17197 backedges. 11914 proven. 1326 refuted. 0 times theorem prover too weak. 3957 trivial. 0 not checked. [2023-11-24 09:45:11,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099167450] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:45:11,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:45:11,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 107, 107] total 316 [2023-11-24 09:45:11,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356827691] [2023-11-24 09:45:11,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:45:11,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 317 states [2023-11-24 09:45:11,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:45:11,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 317 interpolants. [2023-11-24 09:45:11,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17014, Invalid=83158, Unknown=0, NotChecked=0, Total=100172 [2023-11-24 09:45:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:45:11,352 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:45:11,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 317 states, 317 states have (on average 4.485804416403785) internal successors, (1422), 316 states have internal predecessors, (1422), 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) [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:45:11,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:45:11,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:45:11,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:45:11,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 381 states. [2023-11-24 09:45:11,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-24 09:45:11,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-11-24 09:45:11,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:45:11,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:45:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:45:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:45:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:45:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:45:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:45:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:45:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:45:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:45:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:45:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:45:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:45:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:45:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:45:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:45:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:45:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:45:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 381 states. [2023-11-24 09:45:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-24 09:45:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-11-24 09:45:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:45:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-11-24 09:45:11,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-24 09:45:12,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:45:12,071 INFO L420 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)] === [2023-11-24 09:45:12,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:45:12,072 INFO L85 PathProgramCache]: Analyzing trace with hash -804730836, now seen corresponding path program 21 times [2023-11-24 09:45:12,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:45:12,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611790163] [2023-11-24 09:45:12,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:45:12,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:45:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:45:27,907 INFO L134 CoverageAnalysis]: Checked inductivity of 17249 backedges. 15112 proven. 2137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 09:45:27,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:45:27,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611790163] [2023-11-24 09:45:27,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611790163] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:45:27,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142010409] [2023-11-24 09:45:27,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-24 09:45:27,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:45:27,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:45:27,910 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) [2023-11-24 09:45:27,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-24 09:50:13,660 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 53 check-sat command(s) [2023-11-24 09:50:13,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:50:14,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 2685 conjuncts, 111 conjunts are in the unsatisfiable core [2023-11-24 09:50:14,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:50:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 17249 backedges. 15867 proven. 1378 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 09:50:25,183 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:50:38,555 INFO L134 CoverageAnalysis]: Checked inductivity of 17249 backedges. 15867 proven. 1378 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 09:50:38,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142010409] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:50:38,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:50:38,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [159, 108, 108] total 373 [2023-11-24 09:50:38,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807651195] [2023-11-24 09:50:38,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:50:38,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 374 states [2023-11-24 09:50:38,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:50:38,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 374 interpolants. [2023-11-24 09:50:38,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18524, Invalid=120978, Unknown=0, NotChecked=0, Total=139502 [2023-11-24 09:50:38,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:50:38,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:50:38,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 374 states, 374 states have (on average 5.478609625668449) internal successors, (2049), 373 states have internal predecessors, (2049), 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) [2023-11-24 09:50:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:50:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:50:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:50:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:50:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:50:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:50:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:50:38,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:50:38,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:50:38,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:50:38,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:50:38,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:50:38,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:50:38,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:50:38,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:50:38,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:50:38,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 381 states. [2023-11-24 09:50:38,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-24 09:50:38,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-11-24 09:50:38,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:50:38,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-11-24 09:50:38,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:50:39,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:50:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:50:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:50:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:50:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:50:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 381 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-11-24 09:50:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-11-24 09:50:39,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-11-24 09:50:39,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-24 09:50:39,430 INFO L420 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)] === [2023-11-24 09:50:39,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 09:50:39,430 INFO L85 PathProgramCache]: Analyzing trace with hash 2120781910, now seen corresponding path program 22 times [2023-11-24 09:50:39,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 09:50:39,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562324486] [2023-11-24 09:50:39,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 09:50:39,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 09:50:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 09:50:48,180 INFO L134 CoverageAnalysis]: Checked inductivity of 17302 backedges. 1972 proven. 15325 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 09:50:48,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 09:50:48,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562324486] [2023-11-24 09:50:48,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562324486] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 09:50:48,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363637353] [2023-11-24 09:50:48,180 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-24 09:50:48,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 09:50:48,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 09:50:48,181 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) [2023-11-24 09:50:48,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-24 09:50:48,576 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-24 09:50:48,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 09:50:48,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 157 conjunts are in the unsatisfiable core [2023-11-24 09:50:48,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 09:51:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 17302 backedges. 646 proven. 15220 refuted. 0 times theorem prover too weak. 1436 trivial. 0 not checked. [2023-11-24 09:51:01,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 09:51:13,540 INFO L134 CoverageAnalysis]: Checked inductivity of 17302 backedges. 13000 proven. 2866 refuted. 0 times theorem prover too weak. 1436 trivial. 0 not checked. [2023-11-24 09:51:13,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363637353] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 09:51:13,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 09:51:13,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [109, 158, 110] total 373 [2023-11-24 09:51:13,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851003110] [2023-11-24 09:51:13,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 09:51:13,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 373 states [2023-11-24 09:51:13,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 09:51:13,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 373 interpolants. [2023-11-24 09:51:13,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23181, Invalid=115575, Unknown=0, NotChecked=0, Total=138756 [2023-11-24 09:51:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 09:51:13,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 09:51:13,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 373 states, 373 states have (on average 5.174262734584451) internal successors, (1930), 373 states have internal predecessors, (1930), 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) [2023-11-24 09:51:13,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-24 09:51:13,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 09:51:13,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 09:51:13,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:51:13,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:51:13,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-24 09:51:13,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 09:51:13,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-24 09:51:13,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 09:51:13,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:51:13,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-11-24 09:51:13,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-11-24 09:51:13,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:51:13,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-24 09:51:13,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 09:51:13,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-11-24 09:51:13,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 381 states. [2023-11-24 09:51:13,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-24 09:51:13,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-11-24 09:51:13,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-24 09:51:13,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-11-24 09:51:13,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-11-24 09:51:13,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15