./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5dad65ad 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-queue-add-3.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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-dev-5dad65a-m [2024-10-22 12:41:28,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-22 12:41:28,519 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-22 12:41:28,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-22 12:41:28,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-22 12:41:28,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-22 12:41:28,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-22 12:41:28,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-22 12:41:28,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-22 12:41:28,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-22 12:41:28,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-22 12:41:28,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-22 12:41:28,558 INFO L153 SettingsManager]: * Use SBE=true [2024-10-22 12:41:28,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-22 12:41:28,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-22 12:41:28,559 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-22 12:41:28,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-22 12:41:28,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-22 12:41:28,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-22 12:41:28,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-22 12:41:28,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-22 12:41:28,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-22 12:41:28,563 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-22 12:41:28,563 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-22 12:41:28,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-22 12:41:28,564 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-22 12:41:28,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-22 12:41:28,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-22 12:41:28,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-22 12:41:28,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-22 12:41:28,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 12:41:28,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-22 12:41:28,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-22 12:41:28,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-22 12:41:28,567 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-22 12:41:28,567 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-22 12:41:28,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-22 12:41:28,568 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-22 12:41:28,568 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-22 12:41:28,569 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-22 12:41:28,569 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-22 12:41:28,569 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2024-10-22 12:41:28,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-22 12:41:28,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-22 12:41:28,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-22 12:41:28,880 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-22 12:41:28,881 INFO L274 PluginConnector]: CDTParser initialized [2024-10-22 12:41:28,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-10-22 12:41:30,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-22 12:41:30,479 INFO L384 CDTParser]: Found 1 translation units. [2024-10-22 12:41:30,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-10-22 12:41:30,494 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0f30ee8bb/f69667a56041437ab7a46a8decbc72a0/FLAGc98625d96 [2024-10-22 12:41:30,512 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0f30ee8bb/f69667a56041437ab7a46a8decbc72a0 [2024-10-22 12:41:30,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-22 12:41:30,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-22 12:41:30,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-22 12:41:30,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-22 12:41:30,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-22 12:41:30,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d77071a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30, skipping insertion in model container [2024-10-22 12:41:30,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-22 12:41:30,766 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c[3451,3464] [2024-10-22 12:41:30,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 12:41:30,788 INFO L200 MainTranslator]: Completed pre-run [2024-10-22 12:41:30,812 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c[3451,3464] [2024-10-22 12:41:30,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 12:41:30,836 INFO L204 MainTranslator]: Completed translation [2024-10-22 12:41:30,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30 WrapperNode [2024-10-22 12:41:30,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-22 12:41:30,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-22 12:41:30,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-22 12:41:30,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-22 12:41:30,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,878 INFO L138 Inliner]: procedures = 24, calls = 40, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 239 [2024-10-22 12:41:30,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-22 12:41:30,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-22 12:41:30,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-22 12:41:30,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-22 12:41:30,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-22 12:41:30,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-22 12:41:30,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-22 12:41:30,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-22 12:41:30,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30" (1/1) ... [2024-10-22 12:41:30,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 12:41:30,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:41:30,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-22 12:41:30,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-22 12:41:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-22 12:41:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-22 12:41:31,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-22 12:41:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-22 12:41:31,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-22 12:41:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-22 12:41:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-22 12:41:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-22 12:41:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-22 12:41:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-22 12:41:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-22 12:41:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-22 12:41:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-22 12:41:31,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-22 12:41:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-22 12:41:31,010 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-22 12:41:31,110 INFO L238 CfgBuilder]: Building ICFG [2024-10-22 12:41:31,112 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-22 12:41:31,484 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-22 12:41:31,485 INFO L287 CfgBuilder]: Performing block encoding [2024-10-22 12:41:31,778 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-22 12:41:31,779 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-22 12:41:31,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:41:31 BoogieIcfgContainer [2024-10-22 12:41:31,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-22 12:41:31,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-22 12:41:31,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-22 12:41:31,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-22 12:41:31,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:41:30" (1/3) ... [2024-10-22 12:41:31,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545d179b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:41:31, skipping insertion in model container [2024-10-22 12:41:31,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:41:30" (2/3) ... [2024-10-22 12:41:31,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545d179b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:41:31, skipping insertion in model container [2024-10-22 12:41:31,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:41:31" (3/3) ... [2024-10-22 12:41:31,790 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2024-10-22 12:41:31,806 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-22 12:41:31,807 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-22 12:41:31,807 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-22 12:41:31,856 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-22 12:41:31,896 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 12:41:31,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-22 12:41:31,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:41:31,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-22 12:41:31,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-22 12:41:31,925 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-22 12:41:31,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-22 12:41:31,947 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@718e0323, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 12:41:31,947 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-22 12:41:32,613 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:41:32,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:41:32,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1711186171, now seen corresponding path program 1 times [2024-10-22 12:41:32,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:41:32,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501854400] [2024-10-22 12:41:32,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:41:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:33,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:41:33,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:41:33,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501854400] [2024-10-22 12:41:33,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501854400] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 12:41:33,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-22 12:41:33,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-22 12:41:33,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043879223] [2024-10-22 12:41:33,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 12:41:33,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-22 12:41:33,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:41:33,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-22 12:41:33,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-22 12:41:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:33,236 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:41:33,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:41:33,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:33,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:33,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-22 12:41:33,346 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:41:33,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:41:33,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1918895269, now seen corresponding path program 1 times [2024-10-22 12:41:33,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:41:33,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149591855] [2024-10-22 12:41:33,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:33,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:41:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:41:33,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:41:33,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149591855] [2024-10-22 12:41:33,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149591855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 12:41:33,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-22 12:41:33,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-22 12:41:33,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467091415] [2024-10-22 12:41:33,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 12:41:33,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-22 12:41:33,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:41:33,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-22 12:41:33,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-22 12:41:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:33,582 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:41:33,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:41:33,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:33,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:33,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-22 12:41:33,689 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:41:33,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:41:33,690 INFO L85 PathProgramCache]: Analyzing trace with hash 938207830, now seen corresponding path program 1 times [2024-10-22 12:41:33,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:41:33,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315582913] [2024-10-22 12:41:33,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:33,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:41:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:41:33,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:41:33,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315582913] [2024-10-22 12:41:33,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315582913] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:41:33,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521661277] [2024-10-22 12:41:33,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:33,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:41:33,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:41:33,899 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:41:33,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-22 12:41:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:34,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-22 12:41:34,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:41:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:41:34,166 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:41:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:41:34,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521661277] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:41:34,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:41:34,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-22 12:41:34,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248948285] [2024-10-22 12:41:34,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:41:34,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-22 12:41:34,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:41:34,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-22 12:41:34,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-22 12:41:34,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:34,331 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:41:34,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:41:34,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:34,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:34,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:34,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:34,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:34,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:34,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-22 12:41:34,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-22 12:41:34,673 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:41:34,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:41:34,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1316811904, now seen corresponding path program 2 times [2024-10-22 12:41:34,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:41:34,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672219679] [2024-10-22 12:41:34,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:34,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:41:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:35,379 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:41:35,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:41:35,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672219679] [2024-10-22 12:41:35,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672219679] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:41:35,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188637540] [2024-10-22 12:41:35,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:41:35,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:41:35,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:41:35,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:41:35,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-22 12:41:35,491 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:41:35,491 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:41:35,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-22 12:41:35,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:41:35,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-22 12:41:35,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-10-22 12:41:35,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-10-22 12:41:35,644 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-22 12:41:35,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-10-22 12:41:35,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-22 12:41:35,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:41:35,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2024-10-22 12:41:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:41:35,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:41:36,711 INFO L349 Elim1Store]: treesize reduction 16, result has 65.2 percent of original size [2024-10-22 12:41:36,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 60 [2024-10-22 12:41:36,750 INFO L349 Elim1Store]: treesize reduction 5, result has 80.0 percent of original size [2024-10-22 12:41:36,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 77 [2024-10-22 12:41:36,771 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-22 12:41:36,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 37 [2024-10-22 12:41:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:41:36,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188637540] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:41:36,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:41:36,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 24 [2024-10-22 12:41:36,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209998194] [2024-10-22 12:41:36,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:41:36,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-22 12:41:36,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:41:36,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-22 12:41:36,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=466, Unknown=2, NotChecked=0, Total=600 [2024-10-22 12:41:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:36,886 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:41:36,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.96) internal successors, (99), 24 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:41:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:36,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:39,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-10-22 12:41:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:39,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:39,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-22 12:41:39,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:41:39,917 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:41:39,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:41:39,917 INFO L85 PathProgramCache]: Analyzing trace with hash 514744576, now seen corresponding path program 3 times [2024-10-22 12:41:39,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:41:39,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656549785] [2024-10-22 12:41:39,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:39,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:41:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:41:41,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:41:41,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656549785] [2024-10-22 12:41:41,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656549785] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:41:41,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263595641] [2024-10-22 12:41:41,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 12:41:41,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:41:41,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:41:41,820 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:41:41,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-22 12:41:41,977 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-22 12:41:41,978 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:41:41,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-22 12:41:41,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:41:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-22 12:41:42,081 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-22 12:41:42,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263595641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 12:41:42,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-22 12:41:42,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 15 [2024-10-22 12:41:42,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645299557] [2024-10-22 12:41:42,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 12:41:42,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-22 12:41:42,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:41:42,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-22 12:41:42,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-10-22 12:41:42,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:42,084 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:41:42,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:41:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:42,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:42,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:42,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:42,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:42,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:42,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:41:42,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-22 12:41:42,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:41:42,499 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:41:42,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:41:42,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1952879757, now seen corresponding path program 1 times [2024-10-22 12:41:42,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:41:42,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315937382] [2024-10-22 12:41:42,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:42,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:41:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:42,670 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-22 12:41:42,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:41:42,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315937382] [2024-10-22 12:41:42,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315937382] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:41:42,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277013458] [2024-10-22 12:41:42,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:42,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:41:42,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:41:42,673 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:41:42,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-22 12:41:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:42,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-22 12:41:42,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:41:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-22 12:41:42,938 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:41:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-22 12:41:43,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277013458] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:41:43,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:41:43,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-10-22 12:41:43,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571067068] [2024-10-22 12:41:43,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:41:43,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-22 12:41:43,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:41:43,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-22 12:41:43,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-22 12:41:43,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:43,058 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:41:43,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:41:43,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:43,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:43,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:43,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:43,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:41:43,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:43,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:43,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:43,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:43,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:43,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:41:43,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:43,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-22 12:41:43,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-22 12:41:43,399 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:41:43,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:41:43,400 INFO L85 PathProgramCache]: Analyzing trace with hash -180567576, now seen corresponding path program 2 times [2024-10-22 12:41:43,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:41:43,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721987620] [2024-10-22 12:41:43,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:43,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:41:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:44,159 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-22 12:41:44,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:41:44,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721987620] [2024-10-22 12:41:44,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721987620] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:41:44,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317594621] [2024-10-22 12:41:44,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:41:44,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:41:44,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:41:44,162 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:41:44,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-22 12:41:44,275 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:41:44,275 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:41:44,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-22 12:41:44,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:41:44,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-10-22 12:41:44,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-10-22 12:41:44,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2024-10-22 12:41:44,594 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-22 12:41:44,595 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:41:45,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2024-10-22 12:41:45,245 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-22 12:41:45,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 143 [2024-10-22 12:41:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-22 12:41:45,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317594621] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:41:45,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:41:45,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 27 [2024-10-22 12:41:45,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822429934] [2024-10-22 12:41:45,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:41:45,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-22 12:41:45,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:41:45,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-22 12:41:45,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=599, Unknown=0, NotChecked=0, Total=756 [2024-10-22 12:41:45,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:45,438 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:41:45,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.035714285714286) internal successors, (113), 27 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:41:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:45,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:45,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:41:45,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:45,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:46,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:41:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:41:46,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-22 12:41:46,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:41:46,532 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:41:46,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:41:46,532 INFO L85 PathProgramCache]: Analyzing trace with hash 215618253, now seen corresponding path program 1 times [2024-10-22 12:41:46,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:41:46,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406211018] [2024-10-22 12:41:46,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:46,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:41:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:48,150 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-22 12:41:48,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:41:48,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406211018] [2024-10-22 12:41:48,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406211018] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:41:48,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532452641] [2024-10-22 12:41:48,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:48,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:41:48,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:41:48,152 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:41:48,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-22 12:41:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:48,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-22 12:41:48,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:41:48,518 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-22 12:41:48,519 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:41:48,594 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-22 12:41:48,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-10-22 12:41:48,641 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-22 12:41:48,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532452641] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:41:48,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:41:48,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 5] total 24 [2024-10-22 12:41:48,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304800432] [2024-10-22 12:41:48,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:41:48,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-22 12:41:48,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:41:48,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-22 12:41:48,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2024-10-22 12:41:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:48,643 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:41:48,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.16) internal successors, (104), 24 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:41:48,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:48,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:48,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:48,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:48,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:41:48,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:48,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:41:48,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:41:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:49,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:41:49,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:41:49,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-22 12:41:49,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-22 12:41:49,922 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:41:49,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:41:49,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1486045141, now seen corresponding path program 2 times [2024-10-22 12:41:49,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:41:49,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146942503] [2024-10-22 12:41:49,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:49,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:41:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 15 proven. 82 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-22 12:41:51,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:41:51,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146942503] [2024-10-22 12:41:51,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146942503] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:41:51,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101814260] [2024-10-22 12:41:51,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:41:51,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:41:51,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:41:51,745 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:41:51,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-22 12:41:51,881 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:41:51,882 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:41:51,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-22 12:41:51,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:41:52,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 8 [2024-10-22 12:41:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 44 proven. 16 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-22 12:41:52,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:41:52,237 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-22 12:41:52,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-10-22 12:41:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 40 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-22 12:41:52,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101814260] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:41:52,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:41:52,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 6] total 31 [2024-10-22 12:41:52,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643520465] [2024-10-22 12:41:52,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:41:52,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-22 12:41:52,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:41:52,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-22 12:41:52,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=884, Unknown=0, NotChecked=0, Total=992 [2024-10-22 12:41:52,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:52,284 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:41:52,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.03125) internal successors, (129), 31 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:41:52,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:52,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:52,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:52,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:52,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:41:52,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:52,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:41:52,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:41:52,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:53,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:41:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:41:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:41:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:41:53,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-22 12:41:53,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:41:53,597 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:41:53,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:41:53,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1021200303, now seen corresponding path program 3 times [2024-10-22 12:41:53,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:41:53,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750452777] [2024-10-22 12:41:53,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:53,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:41:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:41:55,698 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 6 proven. 119 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-22 12:41:55,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:41:55,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750452777] [2024-10-22 12:41:55,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750452777] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:41:55,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84584073] [2024-10-22 12:41:55,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 12:41:55,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:41:55,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:41:55,701 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:41:55,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-22 12:41:55,923 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-22 12:41:55,923 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:41:55,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-22 12:41:55,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:41:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 17 proven. 87 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-22 12:41:56,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:41:56,563 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-10-22 12:41:56,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-10-22 12:41:56,629 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 17 proven. 52 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-10-22 12:41:56,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84584073] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:41:56,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:41:56,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 14, 6] total 37 [2024-10-22 12:41:56,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380862297] [2024-10-22 12:41:56,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:41:56,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-10-22 12:41:56,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:41:56,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-10-22 12:41:56,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1273, Unknown=0, NotChecked=0, Total=1406 [2024-10-22 12:41:56,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:56,632 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:41:56,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 4.2105263157894735) internal successors, (160), 37 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:41:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:41:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:41:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:41:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:41:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:41:57,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:41:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:41:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:41:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:41:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:41:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:41:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:41:58,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:41:58,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-22 12:41:58,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-22 12:41:58,202 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:41:58,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:41:58,202 INFO L85 PathProgramCache]: Analyzing trace with hash -637859938, now seen corresponding path program 4 times [2024-10-22 12:41:58,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:41:58,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447057838] [2024-10-22 12:41:58,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:41:58,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:41:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:42:00,366 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 17 proven. 188 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-22 12:42:00,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:42:00,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447057838] [2024-10-22 12:42:00,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447057838] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:42:00,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954753432] [2024-10-22 12:42:00,367 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-22 12:42:00,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:42:00,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:42:00,368 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:42:00,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-22 12:42:00,510 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-22 12:42:00,511 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:42:00,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-10-22 12:42:00,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:42:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 25 proven. 159 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-22 12:42:01,139 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:42:01,321 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-10-22 12:42:01,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-10-22 12:42:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 23 proven. 117 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-10-22 12:42:01,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954753432] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:42:01,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:42:01,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 18, 8] total 46 [2024-10-22 12:42:01,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777876936] [2024-10-22 12:42:01,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:42:01,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-22 12:42:01,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:42:01,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-22 12:42:01,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1993, Unknown=0, NotChecked=0, Total=2162 [2024-10-22 12:42:01,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:01,410 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:42:01,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.340425531914893) internal successors, (204), 46 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:42:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:01,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:01,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:01,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:01,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:01,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:01,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:01,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:01,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:03,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-22 12:42:03,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-22 12:42:03,444 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:42:03,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:42:03,444 INFO L85 PathProgramCache]: Analyzing trace with hash 151948240, now seen corresponding path program 5 times [2024-10-22 12:42:03,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:42:03,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136776372] [2024-10-22 12:42:03,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:42:03,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:42:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:42:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 167 proven. 161 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-22 12:42:04,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:42:04,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136776372] [2024-10-22 12:42:04,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136776372] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:42:04,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662691891] [2024-10-22 12:42:04,219 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-22 12:42:04,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:42:04,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:42:04,221 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:42:04,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-22 12:42:05,964 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-10-22 12:42:05,964 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:42:05,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-22 12:42:05,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:42:06,922 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 235 proven. 93 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-22 12:42:06,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:42:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 212 proven. 116 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-22 12:42:08,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662691891] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:42:08,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:42:08,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 24] total 69 [2024-10-22 12:42:08,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472628880] [2024-10-22 12:42:08,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:42:08,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-10-22 12:42:08,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:42:08,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-10-22 12:42:08,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1146, Invalid=3684, Unknown=0, NotChecked=0, Total=4830 [2024-10-22 12:42:08,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:08,174 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:42:08,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 4.542857142857143) internal successors, (318), 69 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:42:08,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:08,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:08,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:08,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:08,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:08,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:08,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:08,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:08,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:08,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:08,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:08,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:08,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:08,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:42:08,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-22 12:42:08,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:42:08,949 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:42:08,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:42:08,949 INFO L85 PathProgramCache]: Analyzing trace with hash -246350086, now seen corresponding path program 6 times [2024-10-22 12:42:08,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:42:08,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752073953] [2024-10-22 12:42:08,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:42:08,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:42:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:42:10,819 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 107 proven. 239 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-22 12:42:10,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:42:10,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752073953] [2024-10-22 12:42:10,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752073953] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:42:10,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566528622] [2024-10-22 12:42:10,820 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-22 12:42:10,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:42:10,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:42:10,822 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:42:10,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-22 12:42:12,447 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-10-22 12:42:12,447 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:42:12,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-10-22 12:42:12,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:42:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 30 proven. 295 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-22 12:42:13,337 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:42:13,583 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-10-22 12:42:13,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-10-22 12:42:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 30 proven. 227 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-10-22 12:42:13,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566528622] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:42:13,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:42:13,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 24, 10] total 57 [2024-10-22 12:42:13,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453842119] [2024-10-22 12:42:13,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:42:13,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-10-22 12:42:13,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:42:13,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-10-22 12:42:13,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=3051, Unknown=0, NotChecked=0, Total=3306 [2024-10-22 12:42:13,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:13,667 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:42:13,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 4.413793103448276) internal successors, (256), 57 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:42:13,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:13,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:13,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:13,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:13,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:13,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:13,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:13,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:13,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:13,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:13,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:13,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:42:13,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:42:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:42:16,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-22 12:42:16,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-22 12:42:16,315 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:42:16,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:42:16,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1663372451, now seen corresponding path program 7 times [2024-10-22 12:42:16,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:42:16,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165213797] [2024-10-22 12:42:16,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:42:16,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:42:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:42:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 294 proven. 213 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-22 12:42:17,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:42:17,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165213797] [2024-10-22 12:42:17,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165213797] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:42:17,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375620675] [2024-10-22 12:42:17,344 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-22 12:42:17,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:42:17,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:42:17,346 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:42:17,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-22 12:42:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:42:17,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-22 12:42:17,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:42:18,528 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 429 proven. 78 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-22 12:42:18,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:42:19,726 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 327 proven. 180 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-22 12:42:19,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375620675] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:42:19,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:42:19,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 27] total 78 [2024-10-22 12:42:19,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782693512] [2024-10-22 12:42:19,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:42:19,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-10-22 12:42:19,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:42:19,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-10-22 12:42:19,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1263, Invalid=4899, Unknown=0, NotChecked=0, Total=6162 [2024-10-22 12:42:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:19,731 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:42:19,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 4.30379746835443) internal successors, (340), 78 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:42:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:19,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:42:19,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:42:19,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-22 12:42:20,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-22 12:42:20,168 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:42:20,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:42:20,168 INFO L85 PathProgramCache]: Analyzing trace with hash 2073578247, now seen corresponding path program 8 times [2024-10-22 12:42:20,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:42:20,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572329141] [2024-10-22 12:42:20,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:42:20,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:42:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:42:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 294 proven. 226 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-22 12:42:21,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:42:21,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572329141] [2024-10-22 12:42:21,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572329141] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:42:21,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119710199] [2024-10-22 12:42:21,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:42:21,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:42:21,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:42:21,184 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:42:21,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-22 12:42:21,386 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:42:21,386 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:42:21,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-22 12:42:21,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:42:22,773 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 380 proven. 140 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-22 12:42:22,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:42:24,325 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 353 proven. 167 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-22 12:42:24,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119710199] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:42:24,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:42:24,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 30, 30] total 87 [2024-10-22 12:42:24,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586702005] [2024-10-22 12:42:24,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:42:24,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-10-22 12:42:24,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:42:24,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-10-22 12:42:24,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1812, Invalid=5844, Unknown=0, NotChecked=0, Total=7656 [2024-10-22 12:42:24,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:24,330 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:42:24,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 4.329545454545454) internal successors, (381), 87 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:42:24,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:24,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:42:24,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:42:24,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:42:24,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:25,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:25,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:25,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:25,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:25,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:25,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:25,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:25,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:25,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:42:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:42:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:42:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:42:25,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-22 12:42:25,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-22 12:42:25,208 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:42:25,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:42:25,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1954932893, now seen corresponding path program 9 times [2024-10-22 12:42:25,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:42:25,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966134581] [2024-10-22 12:42:25,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:42:25,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:42:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:42:27,387 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 213 proven. 328 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-22 12:42:27,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:42:27,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966134581] [2024-10-22 12:42:27,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966134581] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:42:27,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781649403] [2024-10-22 12:42:27,388 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 12:42:27,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:42:27,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:42:27,390 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:42:27,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-22 12:42:30,700 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-22 12:42:30,700 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:42:30,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-10-22 12:42:30,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:42:33,627 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:42:33,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 87 treesize of output 95 [2024-10-22 12:42:33,662 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-22 12:42:33,668 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-22 12:42:33,834 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 51 proven. 517 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-22 12:42:33,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:42:35,592 INFO L349 Elim1Store]: treesize reduction 35, result has 49.3 percent of original size [2024-10-22 12:42:35,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 104 treesize of output 66 [2024-10-22 12:42:35,595 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-22 12:42:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 50 proven. 464 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-10-22 12:42:36,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781649403] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:42:36,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:42:36,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 42, 33] total 109 [2024-10-22 12:42:36,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950752368] [2024-10-22 12:42:36,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:42:36,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2024-10-22 12:42:36,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:42:36,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2024-10-22 12:42:36,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1822, Invalid=10168, Unknown=0, NotChecked=0, Total=11990 [2024-10-22 12:42:36,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:36,923 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:42:36,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 3.5636363636363635) internal successors, (392), 109 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:42:36,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:38,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:42:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:42:38,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:42:38,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-22 12:42:39,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-22 12:42:39,023 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:42:39,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:42:39,024 INFO L85 PathProgramCache]: Analyzing trace with hash 222858717, now seen corresponding path program 10 times [2024-10-22 12:42:39,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:42:39,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899569412] [2024-10-22 12:42:39,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:42:39,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:42:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:42:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 40 proven. 532 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-22 12:42:43,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:42:43,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899569412] [2024-10-22 12:42:43,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899569412] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:42:43,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340640289] [2024-10-22 12:42:43,086 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-22 12:42:43,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:42:43,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:42:43,088 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:42:43,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-22 12:42:43,316 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-22 12:42:43,316 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:42:43,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-10-22 12:42:43,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:42:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 37 proven. 514 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-22 12:42:45,197 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:42:45,701 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-10-22 12:42:45,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-10-22 12:42:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 37 proven. 370 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-22 12:42:45,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340640289] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:42:45,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:42:45,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 33, 12] total 78 [2024-10-22 12:42:45,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463944424] [2024-10-22 12:42:45,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:42:45,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-10-22 12:42:45,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:42:45,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-10-22 12:42:45,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=5825, Unknown=0, NotChecked=0, Total=6162 [2024-10-22 12:42:45,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:45,810 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:42:45,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 3.9746835443037973) internal successors, (314), 78 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:42:45,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:42:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:42:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:42:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:42:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:42:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:42:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:42:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:42:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:42:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:42:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:42:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:42:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:42:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:42:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:42:50,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-22 12:42:50,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-22 12:42:50,587 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:42:50,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:42:50,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1617854181, now seen corresponding path program 11 times [2024-10-22 12:42:50,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:42:50,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466450780] [2024-10-22 12:42:50,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:42:50,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:42:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:42:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 355 proven. 426 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-22 12:42:53,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:42:53,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466450780] [2024-10-22 12:42:53,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466450780] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:42:53,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458196614] [2024-10-22 12:42:53,397 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-22 12:42:53,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:42:53,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:42:53,398 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:42:53,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-22 12:43:23,459 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-10-22 12:43:23,460 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:43:23,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-10-22 12:43:23,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:43:26,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:43:26,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2024-10-22 12:43:26,957 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 186 proven. 595 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-22 12:43:26,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:43:28,224 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-10-22 12:43:28,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-10-22 12:43:30,566 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 88 proven. 693 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-22 12:43:30,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458196614] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:43:30,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:43:30,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 45, 45] total 131 [2024-10-22 12:43:30,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717153438] [2024-10-22 12:43:30,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:43:30,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-10-22 12:43:30,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:43:30,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-10-22 12:43:30,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2991, Invalid=14301, Unknown=0, NotChecked=0, Total=17292 [2024-10-22 12:43:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:43:30,574 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:43:30,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 3.5454545454545454) internal successors, (468), 131 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:43:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:43:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:43:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:43:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:43:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:43:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:43:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:43:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:43:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:43:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:43:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:43:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:43:30,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:43:30,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:43:30,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:43:30,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:43:30,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:43:30,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:43:32,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:43:32,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:43:32,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:43:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:43:32,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-22 12:43:32,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-22 12:43:32,259 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:43:32,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:43:32,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2023681137, now seen corresponding path program 12 times [2024-10-22 12:43:32,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:43:32,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118518225] [2024-10-22 12:43:32,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:43:32,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:43:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:43:36,565 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 56 proven. 743 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-22 12:43:36,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:43:36,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118518225] [2024-10-22 12:43:36,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118518225] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:43:36,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871460474] [2024-10-22 12:43:36,566 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-22 12:43:36,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:43:36,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:43:36,567 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:43:36,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-22 12:44:00,341 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-10-22 12:44:00,342 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:44:00,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-10-22 12:44:00,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:44:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 44 proven. 612 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-10-22 12:44:01,331 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:44:01,827 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-10-22 12:44:01,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-10-22 12:44:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 44 proven. 546 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2024-10-22 12:44:01,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871460474] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:44:01,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:44:01,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 18, 14] total 70 [2024-10-22 12:44:01,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418695740] [2024-10-22 12:44:01,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:44:01,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-10-22 12:44:01,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:44:01,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-10-22 12:44:01,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=4642, Unknown=0, NotChecked=0, Total=4970 [2024-10-22 12:44:01,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:44:01,923 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:44:01,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 4.845070422535211) internal successors, (344), 70 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:44:01,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:44:01,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:44:01,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:44:01,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:44:01,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:44:01,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:44:01,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:44:05,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:44:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:44:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:44:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:44:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:44:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:44:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:44:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:44:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:44:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:44:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:44:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:44:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:44:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:44:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:44:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:44:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:44:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:44:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-22 12:44:05,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-22 12:44:05,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:44:05,964 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:44:05,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:44:05,965 INFO L85 PathProgramCache]: Analyzing trace with hash 422001426, now seen corresponding path program 13 times [2024-10-22 12:44:05,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:44:05,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456262589] [2024-10-22 12:44:05,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:44:05,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:44:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:44:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 68 proven. 871 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-22 12:44:10,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:44:10,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456262589] [2024-10-22 12:44:10,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456262589] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:44:10,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474814632] [2024-10-22 12:44:10,497 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-22 12:44:10,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:44:10,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:44:10,498 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:44:10,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-22 12:44:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:44:10,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-10-22 12:44:10,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:44:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 49 proven. 795 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-10-22 12:44:12,194 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:44:12,804 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-10-22 12:44:12,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-10-22 12:44:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 49 proven. 671 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-10-22 12:44:12,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474814632] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:44:12,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:44:12,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 24, 16] total 79 [2024-10-22 12:44:12,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730285202] [2024-10-22 12:44:12,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:44:12,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-10-22 12:44:12,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:44:12,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-10-22 12:44:12,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=5942, Unknown=0, NotChecked=0, Total=6320 [2024-10-22 12:44:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:44:12,902 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:44:12,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 4.8125) internal successors, (385), 79 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:44:12,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:44:12,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:44:12,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:44:12,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:44:12,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-10-22 12:44:12,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:44:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:44:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:44:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:44:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:44:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:44:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:44:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:44:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:44:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:44:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:44:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:44:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:44:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:44:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:44:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:44:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:44:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:44:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:44:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-22 12:44:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-22 12:44:17,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-22 12:44:17,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:44:17,549 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:44:17,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:44:17,549 INFO L85 PathProgramCache]: Analyzing trace with hash 919083689, now seen corresponding path program 14 times [2024-10-22 12:44:17,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:44:17,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527116588] [2024-10-22 12:44:17,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:44:17,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:44:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:44:21,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 67 proven. 1025 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-22 12:44:21,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:44:21,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527116588] [2024-10-22 12:44:21,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527116588] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:44:21,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090955608] [2024-10-22 12:44:21,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:44:21,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:44:21,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:44:21,792 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:44:21,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-22 12:44:22,069 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:44:22,069 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:44:22,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-10-22 12:44:22,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:44:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 54 proven. 1017 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-10-22 12:44:25,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:44:25,914 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-10-22 12:44:25,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-10-22 12:44:26,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 54 proven. 805 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2024-10-22 12:44:26,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090955608] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:44:26,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:44:26,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 45, 18] total 105 [2024-10-22 12:44:26,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869271036] [2024-10-22 12:44:26,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:44:26,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-10-22 12:44:26,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:44:26,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-10-22 12:44:26,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=10665, Unknown=0, NotChecked=0, Total=11130 [2024-10-22 12:44:26,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:44:26,040 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:44:26,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 4.169811320754717) internal successors, (442), 105 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:44:26,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:44:26,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:44:26,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:44:26,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:44:26,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:44:26,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:44:26,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:44:26,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:44:26,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:44:26,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:44:26,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:44:26,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:44:26,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:44:26,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:44:26,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:44:26,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:44:26,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:44:26,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:44:26,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-10-22 12:44:26,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-10-22 12:44:26,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:44:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:44:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:44:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:44:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:44:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:44:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-22 12:44:33,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-22 12:44:33,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-22 12:44:33,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-22 12:44:33,436 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:44:33,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:44:33,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1158457964, now seen corresponding path program 15 times [2024-10-22 12:44:33,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:44:33,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724307165] [2024-10-22 12:44:33,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:44:33,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:44:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:44:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 912 proven. 458 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-10-22 12:44:35,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:44:35,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724307165] [2024-10-22 12:44:35,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724307165] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:44:35,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416949378] [2024-10-22 12:44:35,069 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 12:44:35,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:44:35,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:44:35,070 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:44:35,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-22 12:45:52,382 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-10-22 12:45:52,382 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:45:52,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 157 conjuncts are in the unsatisfiable core [2024-10-22 12:45:52,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:45:58,230 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:45:58,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 120 treesize of output 134 [2024-10-22 12:45:58,278 WARN L672 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-10-22 12:45:58,310 WARN L672 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-10-22 12:45:58,378 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-10-22 12:45:58,393 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-22 12:45:58,403 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-22 12:45:58,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 63 proven. 1376 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-10-22 12:45:58,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:46:02,823 INFO L349 Elim1Store]: treesize reduction 50, result has 49.5 percent of original size [2024-10-22 12:46:02,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 143 treesize of output 93 [2024-10-22 12:46:02,826 WARN L672 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-10-22 12:46:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 78 proven. 1172 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-10-22 12:46:05,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416949378] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:46:05,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:46:05,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 66, 47] total 156 [2024-10-22 12:46:05,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783864427] [2024-10-22 12:46:05,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:46:05,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2024-10-22 12:46:05,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:46:05,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2024-10-22 12:46:05,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3926, Invalid=20566, Unknown=0, NotChecked=0, Total=24492 [2024-10-22 12:46:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:46:05,043 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:46:05,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.5987261146496814) internal successors, (565), 156 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:46:05,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-10-22 12:46:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-10-22 12:46:05,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-10-22 12:46:05,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:46:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:46:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:46:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:46:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:46:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:46:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-22 12:46:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-22 12:46:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-22 12:46:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-22 12:46:07,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-22 12:46:07,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:46:07,735 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:46:07,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:46:07,735 INFO L85 PathProgramCache]: Analyzing trace with hash 100102060, now seen corresponding path program 16 times [2024-10-22 12:46:07,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:46:07,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751752561] [2024-10-22 12:46:07,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:46:07,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:46:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:46:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1612 backedges. 69 proven. 1353 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-22 12:46:12,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:46:12,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751752561] [2024-10-22 12:46:12,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751752561] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:46:12,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198851974] [2024-10-22 12:46:12,393 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-22 12:46:12,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:46:12,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:46:12,395 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:46:12,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-22 12:46:12,750 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-22 12:46:12,750 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:46:12,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-10-22 12:46:12,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:46:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1612 backedges. 61 proven. 1340 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-10-22 12:46:16,477 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:46:17,483 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-10-22 12:46:17,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-10-22 12:46:17,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1612 backedges. 61 proven. 1056 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-10-22 12:46:17,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198851974] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:46:17,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:46:17,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 52, 20] total 120 [2024-10-22 12:46:17,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387496606] [2024-10-22 12:46:17,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:46:17,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-10-22 12:46:17,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:46:17,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-10-22 12:46:17,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=616, Invalid=13904, Unknown=0, NotChecked=0, Total=14520 [2024-10-22 12:46:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:46:17,595 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:46:17,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 4.099173553719008) internal successors, (496), 120 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:46:17,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:46:17,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:46:17,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:46:17,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:46:17,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:46:17,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:46:17,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:46:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:46:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:46:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:46:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:46:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:46:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:46:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:46:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:46:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:46:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:46:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:46:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-10-22 12:46:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-10-22 12:46:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-10-22 12:46:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-22 12:46:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:46:26,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-22 12:46:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-22 12:46:26,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-10-22 12:46:26,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-22 12:46:26,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-22 12:46:26,463 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-22 12:46:26,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:46:26,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1185885182, now seen corresponding path program 17 times [2024-10-22 12:46:26,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:46:26,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896450245] [2024-10-22 12:46:26,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:46:26,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:46:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:46:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1999 backedges. 1183 proven. 556 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-10-22 12:46:28,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:46:28,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896450245] [2024-10-22 12:46:28,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896450245] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:46:28,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417193078] [2024-10-22 12:46:28,552 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-22 12:46:28,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:46:28,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:46:28,554 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:46:28,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process Killed by 15